Count of AnswerAnswer TotalMax. envelope peak distortion 1

0.02 10.5 1

0.55 10.7 1

0.99 11 12 1

2.27 14 1

4.5 16 17 18 1

42 180 1

100 11880 11998 12001 1

30602 11111110 1

“wave antenna”; 2lambda 1 1 byte = 1 octet 1 1.53µm to 1.63µm light 1 1.6 to 1.8 s 1 120 Ω/loop mile 1 172.2 kbps 1 1920 to 1980 MHz 1 1st commercial telephone service by NTT 1 1st note in musical scale 1 20 to 40 Hz 1 32.768 Mbps 1 41.25 MHz 1 45.75 MHz 1 52 Mbps downstream/ 2.3 Mbps upstream 1 576 channels 1 6 to 10 dB 1 960 M to 1215 M 1 amount of exposure 1 analog mod used for fiber optics 1 attenuation loss can be made up by optical amplifier, dispersion loss has t 1 auxiliary equipment required 1 biological impact 1 CDVCC (Coded Digital Verification Color Code) 1 Cellular Digital Packet Data (CDPD); packets over voice channel 1 connector for oscillators and lab instruments 1 crystal, condenser, electret 1 damage a crystal microphone 1 does not require limiter; improved Foster-Seeley 1

Dolby AC-3 1 dynamic, carbon, ribbon 1 effective height of antenna compared to actual antenna height 1 email; 4.8 to 64 kbps 1 fiber distribution data interface 1 first cellular phone in 1924 1 flicker noise 1 for billing tracking 1 for special effects in TV (special effects group) 1 for synching Ethernet 1 gain of rhombic antenna 1 gives passwords to LAN 1 high absorption of sound 1 high power oscillators 1 interaction between e beam and RF field; linear path 1 Interactive Video and Data Service; 218-218.5/218.5-219 MHz 1 interval between offhook and dial tone 1 LO + mixer in one 1 local multipoint distribution service; 28 GHz; internet, for home 1 multichannel multipoint distribution service; many people; wireless 1 Multimedia content Description Interface 1 no need for dialtone 1 number assignment mobile (NAM) 1 red LED used 1 requires 0.8µs delay 1 requires limiters 1 response of human ear 1 returning same features when switching carriers 1 roentgen effective bio 1 root note of diatonic scale 1 separates Y and chroma; CANCELS CHROMA COLOR 1 smaller satellite 1 SS technique; carrier frequency is linearly moved or shifted throug 1 supervisory audio tone 1 temperature controlled enclosure for equipment 1 transmission line calculator; SMITH CHART IS CIRCULAR BECAUSE 1 unpleasant intervals of sound 1 wired equivalent privacy; 64/128/256 bit encryption 1+- 25V 1+/- 12 kHz 1+6 VU (volume unit) 1+6dB 1<5% - interference to visual signal level 1±12 kHz 1±12kHz 10.01 µV to 0.2µV 10.1µV to 2µV 10.2μA 10.5 milliroentgents per hour from 5 cm, 10 MILLIROENT 10.5 to 0.9 10.6 to 0.8 10.92 MHz 102 absorption 1¼ of a mile absolute & >100ft 1

1 to 10 miles 11 TV field recorded per slant track 11.25 MHz + 250 kHz 11.3 micro seconds 11.35cm and 1.7mm 11.4 -3.4s - reverberation time for a church 11.5 ms 11/2 to 2/3 110 110 Base T 110 Gig per sec 110 kHz 110 kHz 110 lines 110 octaves 1100 dB - RF and IF gain in receiver 1100 m 1100 mr 110-12 W/m2 110kHz 11125 112 hours 112 hrs 112 kHz deviation 112 to 1 112.4 micro seconds 1120 dB 1120 dB 1120 dB exposure 1121.5 MHz 113 kbps 113 to 17 dB 1130-150 dB 113-17dB 1144 kbps 11-5 seconds 11520 m/s 11550 nm 116 dB 1160 -8000 Hz 11750 μs 11800 Hz 12 dB or less 12 mV 12.3 GHz band 120 mins 120 ppm 12182 kHz 1242 Hz 1260 nodes 1262 Hz 13 dB 13 kHz 13 level Manchester code 1

3.1 m3/person 1300 Hz- 3 kHz 1300 to 400 ms 130kV 132 bits 132.786Mbps 13-5 miles (5-8km) 1350 MHz to 10 GHz 136 dB 1384 kbps 13-point tracking 14 MHz 14 or 16 Mbps 14.5MHz 140 dB 140 km 140 km 14000kHz 145 MHz 1-48Vdc 14MHz 15 dB or better 150 feet 150 ft 150 Hz 1500 ft 1500 to 1000 Hz 150ft. 150km 1542 Hz 155 degrees 16 dB or better 16 MHz data (cable modem) 16 MHz terrestrial 16 to 10 dB 16.4 micro seconds 160 dB 160 degrees 1600mW 16-15 sec, 14.4 kbps 1674-728 MHz 16879 statute miles per hour 16879 statute mph 173 ohms 1780 nm, 950 nm 18 MHz 18 to 14 modulation 180% articulation 180% articulation frequency 1825 -845 MHz, 870 18PSK 18VSB 18-VSB 18-VSB 1

9.6 μs 199% emission withing transmitter 1A and B weighting 1Absorption or loop 1acquisition phase lock 1Active noise control 1AF and RF 1All colors at 75% modulation except gray 1Along the normal 1Along the normal 1American concert A 1amplification and isolation 1Amplify and isolate 1Amplitude 1Analog cellphone 1Analog drum scanner 1Anisochronous 1Antenna tuner 1Antodyne converter 1Aperture antenna 1Aperture antenna 1armature 1Articulation efficiency 1Articulation test 1aspect ratio 1attenuation, scattering, dispersion 1Attitude control 1Aurora borealis 1Aurora borealis 1Background noise 1Backhaul 1BackHoe Fading 1Base station 1beat frequency oscillator (BFO) 1Because FM uses class C amplifiers 1Because higher impedance line has lower current for a given power level 1Because it can be used to reduce the range of a base station to reduce inte 1Because it is not reliable 1Because of purer sine wave AC 1because splices have no air gaps 1because the loss in glass fiber is lowest at a wavelength of approximately 1Because they have greater effective area or greater proportion of radiated 1between 15-60 dB 1Beverage antenna 1BFO 1Bipolar violation 1BISYNC 1BISYNC 1Bit-oriented protocol 1Blank and Burst 1Blooming 1Blue stuff between plate and cathode 1Both BNC and RJ49 connectors 1Both the implementing date (year 2000) and operating frequency (2000 MH 1

BPA 1Brillouin scattering 1Brillouin scattering 1Burst separator 1BUS topology 1By illuminating the fiver with ultraviolet light 1camera pickup tube 1Capcode 1Capture effect 1Capture range 1CATV channels 1Cavity resonator 1Cell site D/R ratio 1Cellular phone FM (AMPS) 1cheapernet 1Christian Hulsmeyer 1Class 1 1Class 2 1Class 2 or transportable phone 1Class 3 (portable phone) 1Class I 1Class II 1Class III (mobile phone) 1Class IV 1class IV cable tv channel 1click 1Cochannel Interference Reduction Factor (CIRF) 1Cognitive 1Commercial (analog) telephone service 1Consonant tones 1Constellation 1Content provider 1Contention 1continuous tone control 1Copy watch 1COW 1COW 1Critical frequency of E layer 1Critical frequency of F2 1Cross color 1Cross luminance 1Cross Luminance 1Cross-over cable 1Cryogenic cooling 1Crystal, electret and condenser 1CT 2 1CTCS 1customer premises equipment 1Datawire 1Decrease mic signal in phones 1Degree of sound absorption 1Delta Modulation 1Despun antenna 1Diatonic scale 1

Differential Peak Detector 1Discone antenna 1Discordant interval 1Discrete Cosine Transform 1Distance-to-reuse ratio 1Distance-to-reuse ratio (D/R) 1DLP 1Dolby AC-3 surround sound 1dosimeter 1Down tilt 1downtilt 1Drift of color bars 1drop call rate 1Duplexer 1DWDM 1Dwell time 1Dynamic and ribbon 1Dynamic microphones 1Dynamic, ribbon, carbon 1Echo suppressor 1Electroluminescence 1Envelope Delay Distortion 1EP 1Equalizer 1Erbium-doped fiber 1ESN 1Ethernet 1Faraday effect 1Faraday screen 1Faraday screen/shield 1Faraday’s effect 1Feed horn 1Fiber Distribution Data Interference (FDDI) 1Fiber grating 1fiber optics are preferred to satellites for long distance telephone transm 1Flat NW 1Flat top sampling 1Flooding 1FM 1Frequencies directly above 300 GHz 1Frequency duplex 1Frequency frogging 1Frequency hopping 1Frequency synthesizer 1Fresnel reflection 1Fresnel reflection 1Friis’ formula 1front porch 1Full duplex 1fusion splicing 1Genetics 1Gimmick 1Gimmick 1GPRS 1

GPS Precision position 1GPS time accuracy 1Gray 1Grid-dip meter/detector 1GSM or TDMA 1GSM/TDMA 1GUNN diode 1gyroscopic or flywheel effect 1H.261 1H.261 1H3E 1Hamming code 1Harald Blatand 1Hard line 1Hard line 1HDTV 1Head end 1Header 1heavy materials 1Height of class B FM 1Helical antennas 1Helmholtz resonator 1Helmholtz resonator 1Hemispheric beam 1High efficiency 1High-Q loopstick 1Hole 1Horn 1Horn and slot 1Hot line 1Howl 1Human ear 1Hybrid T 1hybrid transformer 1Hybrid Transformer 1Hyperframe 1I 1I signal 1IBM Token ring 1IEEE 802.11b 1IEEE 802.15 1IEEE 802.15.4 1IEEE 802.16 1If the desired area to capture cannot fit into the camera’s field of view, use a 1IMSI 1IMT 2000 1IMT-2000 1IMT2000 1IMTS 1In a phasing SSB transmitter, what determines degree of unwanted sideban 1Inertial Navigation System (INS) 1Inertial Navigation Systems (INS) 1Initial payload 1Intensity Modulation 1

Intercarrier sound 1Interlacing 1international mobile subscriber identification 1International pitch A 1Ionosonde 1Ionosphere 1IS 95 1IS 95 1IS-95 1It doesn’t require a connection 1It has the least bandwidth 1it is not reliable 1Its easy to move computers 1IVDS 1Jabber 1Kendall effect 1L band 1Letter boxing 1lisbon 1Losses in fiber optic cable 1Lower power efficiency, difficult to adjust 1M88 1Magic T 1Measuring rad exposure 1Mechanical filter 1mechanical splicing- THE ENDS ARE GLUED TOGETHER 1Membrane absorber 1Microstrip 1Mie scattering 1millimeter wave 1MIN 1mobile to mobile reliable range 1Moderate sound level 1Modern pool 1More than 2 mbps 1More than 2Mbps 1MP3 1MPEG 7 1MPEG-1 1MPEG2 1MPEG-4 1MPEG4 - current video compression standard 1Multi-mode fiber 1Narrowband voice mod SSB bandwidth 1NAVTEX 1NEC D3 standard 1Negative Carrier Shift 1Network 1network interface card (NIC) 1network layer 1noise figure: (with equalizer) 1n-type connector 1Numerically-controlled oscillator 1Oct 13, 1983 1

Octave interval 1Octet 1omega 1Omni-directional range station 1One octave above middle C 1On-hook loop voltage (telephone) 1Opt-in 1Opto-acoustic transducer 1Opt-out 1Orbit used in navigational system 1Overtone 1Overtone 1Pages 1PAM 1PAN 1Pantelegraph 1PARAMP 1Passive optical network 1Patch antenna 1Patch antennas 1Payload pointer 1PCS 1PCS (plastic clad silica) 1Peak envelope power 1Peer to peer, client server 1PIN diode 1pink noise 1Plumbicon (lead oxide) 1Poisson 1Poisson 1Poke-through 1Polyethylene 1Polyethylene 1Polytetraflouroethylene 1PON (Passive optical Network) 1Popular IF for TV receivers 1portable payphone booth 1Positive Carrier Shift 1POTS 1POTS (plain old telephone system) 1Power amplifier 1Precession 1Precession 1Pre-paid phone card 1Problem of 1G 1Proxima Centauri 1Proxima centauri 1Pseudorandom code 1Public key 1Pump laser 1Purity 1Purity 1Push-pull 1Radiation 1

Radio detector 1Ratio detector 1Rbe – roentgen biological effectiveness 1Rbe x rad 1real time of info 1Record Locking 1Record locking 1Red LED 1Regenerative repeater/transponder 1Rep - roentgen equivalent physical 1repeater - how long does it find a repeater until the phone drops out? 1Republic and Titanic 1Republic and Titanic (1910 and 1912) 1Reverberation 1Rhythm 1Ringback 1Root note 1Run length encoding 1S unit 1Satellite closet 1Satellites 1SDMA 1Secondary payload 1SEG 1Sequence in tuning 1Server-client, Peer-to-peer 1Shape factor 1sheattle 1shift register 1SID 1Side tone 1Sidetone 1Simplex 1Since no energy is reflected from the match load, so for the source it appear 1single hop night time range of F2 1Single-mode fiber 1Skip Zone 1Slot antenna 1Slow wave structure 1Smart card 1smart card 1Solitons 1SONET 1Space segment, user segment, control segment 1Spam 1Spatial isolation 1Spectral purity 1Splice is better that connectors because there is no air gap 1SSB J3E 1Staircase 1static convergence 1Station class mark 1Strap-down transducer 1Stripline 1

Sun sensor 1S-unit 1Sunlight radiation 1surface acoustic wave (SAW) 1surface acoustic wave (SAW) filter 1Surface Acoustic Wave (SAW) filter 1TDM 1Teflon 1The angle of inclination is too low for these regions 1The oscillator 1The Republic and The Titanic 1the wireless bridge has more power output 1there is no standing wave 1They have low capacitance and inductance 1Tint 1To cancel chroma crosstalk 1To create resonance circuits and filters 1To protect personnel 1Transduction 1Transmission loss 1Transmission loss 1troposcatter 1TTC 1Tuning screw 1Tunnel diode 1Twinax 1Twin-lead 1Two tone test 1Two-tone test 1Type N connector 1UHF channel 1ultor 1Ultor 1Unshift on Space (USOS) 1Used for aviation 1Used in submarine LF/VLF 1U-weighting 1V sync 1V.24 1V.32 1V.34 bis 1Varactor diode (for direct FM) 1Vertical Redundancy Check 1Vertically-stacked antennas 1via net loss (VNL) 1Video signal w/o sync pulse 1Voice 1Water vapor 1WAV 1WCDMA 1WEP 1Why digital TV ? 1Why is height still important for mobile telephone transmitter antenna? 1Why is it hard to transmit music using SSB? 1

Why use geosynchronous satellites? To simplify tracking requirements 1WiBro 1william gibson 1Wireless application protocol 1World Wide Web 1WWW 1X modem 1Y (luminance) 1Y video 1Yellow green 1Zero-adjusting 1Zigbee 1Z-wave 1

0.8 20.9 216 2

300 2$500,000-$750,000 20.5 milliroentgens 2¼ mile absolute and 100 feet relative 21.35 cm to 1.7 mm 21.5ms 21.6s - 1.8s 210 Gbps 210 milliroentgens 2100 Base Tx 2100m 213 - 17 dB 218 dB 219.39 Mbps 219CP4 220 mins 220 Phons 220 phons 22001 227 Mbps 227 MHz 228 dB 23300 m/s 23dB 23G 24 times 240 dB 242H 25 mm to 2.5 mm 25 mW 2500 nm 25150 m/s 260 dB 280 dB 28kbps 2Acoustician 2AMPS 2Antodyne converter 2

Apogee kick motor 2Between Channels 6 and 7 and above Channel 13 2Brittleness 2Buncher 2C3 2Cabling 2Echo Suppressors 2Ephemeris 2Flicker noise 2GPS 2GSM 2Gyroscopic/ flywheel effect 2Index of refraction 2Inexpensive and more flexible 2Initial payload 2Local Multipoint Distribution System (LMDS) 2LORAN C/D 2MIE scattering 2Musical scale 2Negative 2Noncomposite signal 2Nothing 2Patch antenna 2Photometry 2Pi/4 2Private key 2Private key 2Private key encryption 2Public key encryption 2Ringback Signal 2SDLC 2Soft handoff 2Soliton 2Somatic 2Space probe 2Special Effects Groups (SEG) 2The brightness of the color 2Trailing wire 2TTC 2V.90 2Video Preamplifier 2

7:08:00 AM 20.297222222222222 3

10 316 dB 32.45 GHz 33.579545 MHz 346 dB 3Antonio Meucci 3GPRS 3Hash 3Intelsat 3No color 3Plumbicon 3

Positive 3SSB 3D-AMPS 4Physical layer 412 dB 6(blank)Grand Total 879

123456789

10111213141516171819202122232425262728293031323334353637383940414243444546474849505152

5354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899

100101102103104105106

107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158

159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196

197198199200201202203204205

206

207208209210211212213214215216217218219220221222223224225226227228229230231232

233234235236237238239240241

242243244245246247

248249250251252253

254255256257258259260261

262263264265266267268269270271272273274

275276

277278279280281

282

283284285286287288289

290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335

336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383

384385386387

388389390391392393394395396397398399400401402

403404405406407

408409410411412413414415416417418419420

421422423424425426

427428

429430431432433434435436437438439

440441442443444445

446447448

449450

451452453454455

456457458459460461462463464465466470471

472473474

475476477

478

479480481

482

483484

485

486487

488

489490491

492493

494

495

496497498499500501502503504505506

507508509510511512513514515516517518519

520521522

523524

525526527528529530531532

533534535536537538539540541542543544

545546547548549

550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585

586587588589590591592593594595596

597598599

600601602603604605606607608609610

611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642

643644645646647648649650651

652653654655656657658659660661662663664665666667668

669670671672673674675676677678679680681682683684685686687688

689690691692693694695696697698699700701702703704705706707

708709710711

712713714715716717718719720721722723724725726727728729730731732733

734735736737738739740741742743744745746747748749750751

752753754755756757758759760761762763764765766767768769770771772773774775776777778779780

781782783784785786787788789790791792793794795796797798799800801802803804805806807

808809810811812813814815816817818819820821822

823824825

826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873

874875876877878879880881882883884885886887888

889890891892893

894895

896897898899900901902903904905906907

908909910911912913914915916

917

918919920921922923924925926927928929

930931932

933

934

935936937938939940941942943944945946947948949950951952953954955956957958959

960961962963964965966967968969970971972973974975976977978979980981982983984985986987988989990991992993994995996997998999

########################

################################################################################################################################################

########################################################################

#############################################

###############

#######################################

##################

QuestionHuman hearing range in octavesGPS satellite orbit period The trouble when the color oscillator does not oscillateTerm for ordinary telephoneThe beat frequency between the 3.58 MHz subcarrier and the 4.5 MHz sound signalFinal amplifier stageThreshold pain of acoustic shockStandard terrestrial TV transmissionRadio system use to provide high speed data packetSystem that does not use TDMAAccessory referred to as magic TFor TV system, the horizontal flyback is 10%When was the first cellular system introducedNumber of HDTV horizontal linesSame as Polytetrafluoroethylene3 segments of GPSIn fiber optics, when electromagnetic waves scatter and are about equal or more than its wavelengthMost significant part or stage of a launched satelliteWhat is a launched satellite that does not stay in the gravity of the earth and wanders in space Why is FM more efficient than AM?When was 3G first introduced?When a mobile is simultaneously in the area of coverage/territory of to base stationsCost of building a base stationExact frequency of color subcarrier signal (choose 1)Uses lead oxide and has minimum lagIn CATV internet, a 6MHz channel has a data rate of Data rate of fiber opticsWhen was 3G first introduced?When a mobile is simultaneously in the area of coverage/territory of to base stationsCost of building a base stationExact frequency of color subcarrier signal (choose 1)Uses lead oxide and has minimum lagIn CATV internet, a 6MHz channel has a data rate of Data rate of fiber opticsTime in a day that the human can be exposed to 110-120 dBNavigation system used in ships, submarines, airplanes similar to radarA kind of INS where in the sensor is mounted on the face of the ship for direction2 ships that sank leading to the creation of (INS?)Computer network

What do you think is the main disadvantage of grid-over plate modulationWhat is another term for pink noiseWhat refers to a telephone that rings another phone without dialingDamage to cells other than reproductive cells due to exposure to intense RF radiation is whatWhat do you call the range over… the reference frequency can be… and still achieve phase lock?

What is the main advantage of fiber optic cables made of plastic?What LAN topology is used by the classical Ethernet system

Why “downtilt” is used in cellular base stations?In TV system, if the 3.58 MHz C amplifier in the receiver does not operate the result will be____How is fiber grating produced?

In a client-server network ,what LAN software makes sure that data on the server is being changed by one station and is not simultaneously read by another

What device are to be inserted in a telephone channel if the total via net loss of a given trunk circuit exceeds about 2.5db?

If a broadcast station is transmitting but not modulating, what is heard in a receiver tuned to its frequency?

What types of microphone have high Z output?What are pulses that retain their shapes as they pass through optical fibers?What refers to the series of tones that sound good when used

What microphones are predominantly used in Aviation servicesA 100 Mbps LAN signaling standard intended for use in fiber optics but also used with coaxial cablesIn IMT 2000, what does 2000 refer to?

Which of the following is not a bit oriented protocol?In TV, special effects and production switching are done by the In TV, special effects and production switching are done by the Which of the following is not an acoustical signal defect to be avoided in acoustical signals?What waveguide-like device that acts like a high Q parallel resonant circuit?What helps protect fivers against degradation caused by moistureFor an angle of incidence equal to the critical angle, the light will be refracted

What is the hue color sync phase?What is any tone produced by a sound source in addition to the fundamental toneIn communications system, the total system noise in the absence of information transmission is calledThe average voltage value of the 3.58 MHz modulated chrominance signal in TV receiver is___In TV system, which signal has information for 1.3 MHZ bandwidth?A lens has an 8-cm focal length and a 4-cm diameter. What is its F rating? How much more feed point impedance does a folded dipole have than a normal dipole?The electronic serial number (ESN) assigned to the mobile phone at the factory consists of _____Solid state neodymium can generate high power at

How long does a repeater transmit a mobile signal drop out?What is the orbital period of each GPS constellation?

In CATV, what is the noise figure for mid, high and super band channels?In CATV system, what is the noise figure for sub and 10- band channels?What is the maximum height above average terrain for a class B FM station?What is the maximum recommended cable length for an RS 232C cableWhat is the typical loudness level of a watch ticking What is the maximum deviation of cellular radios that use FM?

At what frequency does magnetron microwave oven operates?What is the frequency of middle C?What would be the bandwidth of … filter for voice and SSBWhen was the first cellular commercial system operated?

What are the two types of network software?What is used to fire a geosynchronous satellite to attain its final circular geostationary orbit?What is the flicker nose voltage of a wirewound resistor?What is the flicker noise voltage of a carbon composition?What camera tube uses lead oxide for the photoconductive…?

A TV receiver design that uses mixing between the picture and sound carriers to generate the sound IF. What do you call this sound?

A system that allows users to access documents from widely separated sources on the internet using a common interfaceWhat is the reason why point contact and Schottky or hot carrier diodes are widely used as mixers in microwave equipmentsWhat do you call the area that lies between the outer limit of the ground wave range and the inner edge of energy returned form the ionosphere?What principle is employed in cellular telephony to allow simultaneous transmission and reception without the need to push to talk?

If a rocket contains more than one satellite, the smaller satellite that will be launched after the main satellite is called

A radar mile is the time required for a radar pulse to travel 1 mile to an object and return to the receiver. 1 radar nautical mile is equivalent to ____ microseconds

What is the minimum ratio of visual signal level to system noise, and of visual level to any undesired co-channel TV signal operating on proper offset performance?

What is the frequency used to signal handoffs to another cell and the termination of the cell in cellular communications?

What class of mobile phone has a maximum power level specified as effective radiated power (ERP) of -2 dBW (600 mW)What class of mobile phone has a maximum power level specified as effective radiated power (ERP) of 1.68WWhat class of mobile phone has a maximum power level specified as effective radiated power (ERP) of 3WGiven a 63.5µs vertical retrace line, how many complete horizontal lines are scanned in a vertical flyback?When a ferrite is subjected to a magnetic field from a permanent magnet, the electrons spins experience what phenomenon?

What is the most common filter used in SSB?

What is the IMT-2000 maximum data rate for mobile user in a high speed vehicle?

What is the advantage of optical fiber made up of plastic?The maximum radiation from any electronic equipment should not exceed _______ mr per week?

What is another name for pink noise?

What is the tone produced by a sound source other than the fundamental tone?What is the digital audio compression that substitutes MP3 audio?What is the amount of sound attenuation offered by the wall, ceiling and floor?What is the typical range of velocity factor in a coaxial cable?

GPS satellite separationWhy is geostationary satellite not stationary for region near poles of the earth?What is the maximum bit rate for fiber optic cable?What is the science of measuring of light visible to human eye?What is the center impedance of a half wave antenna?What is the increase in the network capacity that can be achieved by 3G wireless system?Binary pattern of ones and zeros arranged in random?If an audio signal is lost on a high frequency, what can be added to it to flatten the response?A network using microwaves for two-way transmission of telephony, television, and high-speed dataWhat is the speed of the geostationary satellite?What is the technique used in MPEG 2 compression?

How many different symbols are possible outputs of a 16QAM modulator?

What layer in the OSI is responsible for transmitting bits in the communications channel?What is the ratio of the speed of light in air to the speed of light in another medium?What types of microphone produce low Z outputs?What is the speech coding rate of GSM for cellular system?

What is the lowest layer in the OSI model that deals with matters such as voltage and current levels?Brightness variations in color information are in what signal?What is the operating frequency of telephone quality analog voice signals?

What is the achievable data rate of 3G cellular system?At what frequency does a magnetron in a microwave oven operate?Helical antenna is often used as a typical satellite tracking because of What is the main disadvantage of fiber optic cable made of glassA comb filter is used to ________In tv, which controls the phase angle of demodulated color video signalIn general typical range of frequency that troposcatter wave propagation is found to be effectiveWhat modulation is used in Enhance Data rate for GSM Evolution (EDGE)If public key is used to encrypt the message, what is required to decipher it?

What is IMT 2000 maximum data rate for pedestrian mobile users and for slow moving vehicles?

What radio transmission process where the message or video communications are sent to the radio channels that changes frequencies in a pre-determined order?What is the signal sent y the network to the calling telephone in order to indicate theat the called telephone is ringing?

Depending on the terrain a microwave system uses line of sight propagation and may require repeater approximately every ______A type of card with embedded integrated circuit with functions that can be used in storing subscriber information in a PCS systemWhat is the frequency separation between the forward channel and the reverse channel in a cellular communication system?

What devices are inserted into a telephone channel if the total net loss of the trunk circuit exceeds about 2.5 dB?The orbits of the GPS satellites are nearly circular with inclination angles of ____ degrees relative to the equator

What class of mobile phone whose maximum power output level is specified as the ERP of 2dB watts? (1.6 Watts)What refers to the reflection at the interface of two optical materials which depends on their refractive index and the angle in which light strikes the interfaceWhat type of message in radio control channel in cellular systems tells a particular mobile telephone that a call is to be received?

What formula is used in determining the overall noise performance of a receiver of multiple stages of RF amplification?

What scrambling method is used in compact disc digital audio system to ensure that enough transitions between zero’s and one’s can take easily clocking information?

What do you call a card that comes with an 800/888 number that the card owner dials to reach a network that allows him to dial anywhere he likes

Refers to many major wireless manufacturer that have combined to create de facto standards in creating this content

What is the frequency of the middle CWhat is the frequency of 1 octave above middle CWhich of the following is not a porous absorberThe time that a synthesizer remains at a frequency called What is the maximum VF tone that may be fed to a voice signalWhat is the maximum power of the Class 1 analog mobile phoneThe average voltage value of the 3.58MHz modulated chrominance signal in TV receivers is___________F3 emission means carrier frequency is modulated by _______

What is the frequency tolerance for aircraft station employing SSB transmission?The range of the human hearing can form how many octaves

How many horizontal lines are blanked out in the frame of TV receivers by V blankingWhat would be the bandwidth of an AF filter for CW

The split pair is used by IBM token ring network that operates at either 3G wireless system was introduced in what year

What is the velocity of the geostationary satellite in orbitWhat is the accuracy of LORAN C long range hyberbolic radio navigation systemWhat is the main advantage of GPRSHow many TV fields are recorded on one slant track of tape

What is used to produce low power microwave oscillators

What is the minimum channel rejection of a CATV systemIn CATV system what is sound section isolationIn CATV system what is the RF output terminal match

Which of the following are antennas made with micro strip on PCBs

What is the dielectric constant of polyethylene insulatorWhat helps protect fiber against degradation cause by moistureFor an angle of incidence = to the critical angle the light will be refractedHow much more feed point Z does a folded dipole have than normal dipole

What is the advantage of using hub over direct interconnection to all the terminals

A network using microwave for two way transmission of telephony and in high speed data

In TV system, if the 3.58MHz C amp in the receiver does not operate, the result will be __________?

What is the max recommended cable length of RS232C cable?What is the typical value of line turn around?Which pulse in the V blanking corresponds to 3H lines wide?

The aeronautical radio navigation land station that provides direct bearing on that station from an aircraft is known as _____________

What results in the luminance components interfering in the color signal, it occurs whenever there is diagonal detail on that picture and gets worse with motion

A characteristic of the modulating signal that is proportional with the amount of frequency deviation from the carrier center frequency in FM

In telephone system, what traffic model is based on the assumption that calls are not immediately satisfied that the first attempt are held in the system until it is satisfied

What frequency sharing technique uses highly directional spot beam antennas to prevent interference between stations of the same freq.

What is the variation of the discriminator which greatly reduces sensitivity to amplitude variations and causes a 50% reduction in output voltage

What do you call a special microwave coaxial cable which is made of hard tubing rather that wire with an insulating cover that can be used on the lower microwave band

Which coaxial connector is of more complex and expensive that do a better job in maintaining the electrical char of the cable through interconnection

When real time communication is required the only way to address the second fragment is to use a ____ containing more that 1 satellite

A broadcast station is transmitting but not modulating, what is heard in a receiver tuned to its frequency

A system that allows user to access documents from widely separated sources of the internet using a common interface

What refers to the nonlinear effect that occurs at low power as low as 3mw in single mode fiber and takes the form of a light shifter slightly in freq from the original light waveIn wide area networks what routing technique requires each node to take the incoming packet and retransmit it onto every outgoing line?For analog dram scanners what type of modulation is used after the receive light has been converted into electrical energy?

In what 2 systems in the voice transmitter can speech processing be used?

Why is a matched line indistinguishable from an infinitely long line as seen from the source?

What type of circuit produces even order harmonics?What is the designation of SSB with full carrier?What is the achievable data rate of the 3G cellular system?What is the time period for a single time slot in GSM TDMA structure?What packets switch data technique is used with the GSM systems?

What do you call the interval which it’s an integer or whole fraction ratioWhat do you call the first note of the musical scale?Which of the following is or are parts of the network interface card?

What class of mobile phone has a maximum power level specified as ERP of -2dBW or 600mWWhat refers to a series of tones that sounds good when used in combinationUWhat feature of SONET allows data spin with different paths to be syncCable TV companies collect signals and programs from many sources in a facility called ____________What is the reason why tropospheric ducting not used very much in practical communication systems?What is the function of a hybrid in the telephone handset

What unit refers to radiation other than x-rays which will have an absorption equal to 1 roentgens

Which of the standards given below is a terrestrial digital TV transmissionWhat is the main accelerating element in the CRTWhat is the combined mixer and LO that uses 1 transistor of tube or both

All colors on the color test signal are modulated at 75% except what color?

What is the approximate critical frequency of E layer?The 10 base T Ethernet system is restricted only to ______What code is used in 100 days Tx Ethernet standard?

Which of the following principle musical intervals is considered desonant?

What do you call the random data send continuously by the NIC that disrupts the whole area network?Which of the following is the nearest star to the solar system?What is the shifting of antenna pattern so that the major lobe is at an angle below the horizontal?What allows one antenna to be used for reception and transmission without mutual interference?What is the term used to describe an ordinary voice telephony?

What do you call the process by analog signal are transmitted by converting them into a series of pulses whose amplitude is approximately the shape of the analog signalIn Ethernet LAN, what situation arises when two or more terminals try to transmit in the network at the same time?

Which of the ff wavelengths where absorption of electromagnetic waves becomes peak due to vibrational resonance in the water vapor molecule

When the called telephone is ringing, the CO sends a pulse AC voltage to the calling telephone. What is that signal called?

Different sources of radiation have different effect which are related to x-rays by a number which is referred to as the ______In TV, the picture information is transmitted on a separate carrier that is located _____ lower in frequency that the sound carrier

Lossless compression scheme generally look for redundancies in the data for instance the string of zeroes can be replaced with a code that tells the receivers the length of the string. What do you call this technique?

In analog cellular system, the interfering signal strength remains approx less than ____ of desired signal strength to assure negligible interference

What frequency is used to signal handoffs to another cell and the termination of the cell in cellular communications

What is essentially a cell site shelter that is mounted on flat bed tractor trailer used for emergency purposesIn cellular system what defines the geographic distance that is required between cells used in identical frequencies in order to avoid interference between the radio transmissions of this cells?

U

What radio system was developed to provide high speed packet data access for the GSM network?Why does a high Q circuit discriminate against harmonics?What are 2 function of a buffer amplifier?How much of the emission must be within the bandwidth of the transmitter

Why does a higher impedance line have lower copper loss than a lower impedance line?

What is considered as the simplest transmitter keyed on and off to produce CW Morse code?

How many orbital plans which are equally spaced around the equator in GPS operational constellation?What is the popular fiber optics cable with the glass core and plastic cladding called?

What layer of the OSI model handles the transmission of bites over a communications channel?

What expresses the steepness of the skirts of the skirts selectivity of a radio receiver?In SSB, the transmitter output is expressed in terms of _________?What is the standard signal format of a numeric paging receiver?What is the critical capacitance variation of most varactors used in frequency modulators?Helical antennas are often used for satellite tracking VHF because of?

U

What is the voltage of the local loop on hook?

What is the ratio of speed of light in air to the speed of light in another medium?What LED is usual signal source for plastic fiber?What carrier shift results with insufficient grid excitation to a grid modulated stage?Why are printed circuit board such as stripline and microstrip implemented on transmission lines?

What is the main disadvantage of fiber optic cable made of glass?In TV system, the color level control is in the ______?The max. radiation for electronic equipment must not exceed ___ mr/week

What is the formula for REM?

In color CRT, what refers to adjustment of the three electron beam so that each lens can phosper dots on the appropriate color?

Occasionally rockets will contain more than one satellite, what do you call the main satellite to be launched?

What is a FM receiver that causes a stronger signal to dominate the weaker signal in the same frequency?What is the advantage of using SSB suppressed carrier AM as the modulation scheme for FDM telephony?What may cause ionic disturbance characterized by rapid cluttering sound hence voice communication is poor?The mandatory 24 ship-to-shore communications from 1910-1912 was established by the US, Great Britain and other maritime nation as the direct result of the sinking of the 2 famous ships, which are?

What satellite subsystem monitors on board conditions such as temperature and battery voltage and transmits this data back to a ground station for analysis?

What is the typical noise figure of metals, semiconductors, FET or MOSFET used at microwave frequency?What is the 3rd layer of the OSI protocol model which sets up the path to transmit data between terminals and modulation is used?

What is the 1st type of modulation using an SB microphone called?What are used to allow fiber optics to operate at much higher data rates and over longer distances with the use of range and resist abrasion?If the satellite is lunched at the speed exceeding 25000mph, the satellite will not go in orbit and will break away from the gravitational pull of the earth and go out in deep space what do you call this satellite?

In a propagation medium such in the glass of an optical fiber ____ is the scattering of an electromagnetic wave by particles with the size about equal or greater than the wavelength?

In satellite communication system, _______ is the satellite component that senses the time or the incidence angle of solar radiation and provides electrical signal that may be used to compute the satellite orientation?A few centimeters long solid insulated hook-up wire that provides small capacitance to the ground that is adjusted during circuit alignment by bending slightly in one direction or another, what do you call this wire?

What refers to any sonic, infrasonic, or ultrasonic wave which is emitted from electronic product as a result of the operation of its electronic circuit

Radiation exposure rates produced by a TV receiver shall not exceed ____ milli roentgens per hour at the distance of 5cm from any point on external surface of the receiver?

Why are larger antennas receive stronger signals than smaller antenna?

What is the advantage of Dougherty linear?

Which of the ff. identifies the maximum transmitted power level of a mobile phone?What protocol is used in the check sum method of error detection?In cellular system, typically how many cells in the freq. reuse plan format? most commonly used microwave antenna uses mechanical filters for RF filters (TV frequencies) minimum lag VF level to be placed on voice signals spins to focus on a fixed location on the earth orientation of satellite on relationship to earth and sun

Telemetry and Tracking Control used because of Faraday effect minimize losses (for transmitter) aeronautical distress frequency maritime distress frequency 100 kHz; 460m or ¼ mile absolute accuracy, 100m relative accuracy Cable TV Channel/Station-- off-the-air channels, DBS feeds w/o auxiliary equipment – scrambling provides signaling path vertical polarization; broadband

speed of sound in steel at 1 atm 8μs per time slot 10 kbps per channel 30 kbps – combines 3 AMPS channels UMTS (universal mobile telephone system); 2001 not TDMA; Direct Sequence Spread Spectrum- Mobile and Telephone 144 kbps for fast vehicles; 384 kbps for pedestrians and slow vehicles used because of least losses offshoot of TTC (building code)

20,200km; 60° spacing between orbital planes; 6 orbital planes; 55° inclination in building construction (telephone installation); wires poke through fire-resistant floor video conferencing over telephone line low-rate video used in CD- ROM DivX video compression coax connector; expensive but good dissonant tone ratio pleasant tones; antonym of dissonant 440Hz 524Hz

What refers to the sampling of analog signal used in a sample and hold circuit such that the sample will have the same amplitude for its whole duration

±

nearest star to solar system rapid fluttering; ionic disturbance human hearing range measures virtual height

caused by particles that have the size of wavelength 19.39 Mbps 27 Mbps 12W PEP cinema volume level texting system for ships; maritime safety weather; narrowband direct printing telegraphy used for navi systems; aerodynamic for wavelength and waveguide wavemeter coupling from lower edge chroma subcarrier 56 kbps for telephone line not 3G 5 mm, 2.5 mm 1.35 cm, 1.7 mm international mobile subscriber identification mobile ID number 1.25W dense wavelength div mux cellsite; emergency purposes; on flatbed of tractor or trailer 2 ground planes; “sandwich”

4 or 16 Mbps coax with hard shield

forces electron beam to move slowly 36 and 46 MHz in ferrites; due to magnetic field; precession Teflon good for outdoor cables low capacity/number of computers; will do in place of a hub recombination of holes and electrons in LED

microwave repeater distanceOmega noise figure 9 dB or better 13 kbps speech coding rate 4 MHz wire that acts as a capacitor; capacitance can be changes by bending wire to one side or another for encrypting signal for decryption -48Vdc echo from Tx side to Rx side sent to the calling station to inform that call is in progress

slight frequency change; modulation of light by the thermal energy in the material; produces phonons and photons

distance required before reuse; R – cellsite radius; “Cochannel Interference Reduction Factor” “spatial isolation” – frequency reuse by aiming beams at different locations (spaced-enough) $500,000 - $750,000 to put up easier to work with than single mode; wider acceptance angle

for more direct path; less reflections

all-fiber access systems intended for residential applications width=3 (wavelength of the light carrier) lowers the operating temperature of receivers to reduce noise levels envelope delay distortion test – 1800 Hz between channels 6 and 7 (wideband); above channel 13 (superband) user segment, space segment, control segment; main control – Falcon Air Base, Colorado, USA hybrid T horn amplifier that feeds a reflector 20 mins term for the communication channel over which data is transmitted more amplitude dependent but lower demodulated signal level (50%) 12:1 ratio of capacitance material/absorption losses, scattering losses, dispersion losses

plastic-clad silica; uses silicon plastic millimetric waves 300nm-2000nm (UV to infrared) best response – 1-4 kHz

main accelerating anode for measuring RF current/power in antenna; for measuring resonant frequency of RF circuits corrects 1 bit only

main satellite in the satellite launch standard for digital TV possibly less BW, more immunity to noise, more signal processing technique to reduce flicker of TV picture w/o increasing BW up to 1125 lines; 5 times more video info compared to conventional TV picture noncomposite video signal NTT, 1979 a phone’s code can be stole and copied – clone fraud

it is difficult to produce 90° phase shift for AF in the 5-10 kHz range

alternative to having a dedicated modem + telephone line connection for each workstation part of most aircraft/ships today sinkings led to mandatory 24-hr ship-to-shore communications no relationship in the time interval (“chronous”) between Tx and Rx data sound with compressed data rates

any optical field that does not change during propagation because of a balance between nonlinear and linear effects in a medium

reflection of waves through 2 media; involves materials w/ different index of refraction; also involves angle; reflection of part of incident light

preamble 15 to 60

½ to 2/3

PoissonClass III Catv channel REM= RBE x RAD1 RBE = 10 for alpha particles and fast neutronsreb rep - roentgen effective physicalGPRS Auditorium reverberation time plastic fiber cables A and B weighting curve

MPEG 7

Beverage antenna 52 degrees C IMT 2000 Low Z microphones High Z microphones

TWT

klystron and magnetrons secondary payload

BNC

Bell Labs

Doghouse

Erbium-doped fiber Celotex Network admin Foster-Seeley discriminator

Ratio detector

50Ω - typical impedance of waveguideAWG 22 - Telephones pink noise discordant interval 40% - microwave maximum obstructionsautodyne 1 mel = 1 Hz at 40dBroot note C 1st octave of human hearing ATM sound carrier cable

video carrier cable MIN + ESN (electronic serial number) phone

Local no. Portability

Intensity Modulator FDDI

LMDS

MMDS

Hotline dial tone delay

comb filter

19.2 kbps

AMPS

D-AMPS

30602

TACAN

Smith chart

VDSL

H21 B channel of ISDN

chirp

WAP - for sharing via wireless access instead of wires

WEP

SEG

IVDS

rad rbe Y video Extended superframe slope overload is common problem

velocity factor for open wire velocity factor for twin lead 8 MHz location of a celestial body in space

350 MHz to 10 GHz 4130 km speed of sound in wood cannot execute soft handoff because cellsites use different sets typical loudness level of ticking watch 88 mH coil; every 9000 feet 2 wire to 4 wire converter square wave; rounding off something Spatial Div. Multi Access; use same frequency in multiple focused be became CDMA 2000 435 Hz 128 bits sequence in digital signature caused by freq. dependent attenuation chars of

not a bit oriented protocol interrupt voice feed to send control signals (cellular te

found in circuit switching

the ends are melted together TV video signal level Continuous Tone Control Squelch; low frequency has a peak detector trapped gas pockets in fiber cables card with embedded IC part of dc radio gen which is grounded to

noticeable change in loudness level

visual signal level for channels that have ot visual signal level for channels that have 6MH sound carrier lower than visual carrier diagonal patterns 6 dB max voltage to apply (data) 10 kbps insufficient grid mod at gri insufficient grid mod at hig

yellow green is most sensitive

device should have area max limit range; DECREASE INTERFERENCE

reference frequency for envelope delay dist SSB method in testing AM transmitter to higher energy level Discrete Cosine Transform Improved Mobile Tel System; Bell Labs, 1965 or not needing to install uses 3 level Manchester code portable payphone booth direct connection to waveguides signal level that must be kept within 6MHz other than 6MHz within the next 24 hours visual signal level over RMS interference minimum terminal match front-back ratio RF output terminal match level of attenuation of aural signal with respect to the video signal In CATV, cross modulation of trunk amplifiers In CATV, spurious signal rejection In CATV, sound section isolation carrier shift due to insufficient grid excitation; grid modulation carrier shift due to insufficient grid excitation; high level submarine wire wavelengths where water vapor molecule absorption peaks wavelengths where oxygen molecule absorption peaks 21 satellites velocity modulates the beam “first inventor” of telephone line turn around 2000 nm peak sunlight wavelength antenna that uses microstrips data rate of a 6MHz terrestrial TV data rate of a 6MHz CaTV practitioner of acoustics precision Loran C/D

used in CATV

not tuned to the 3.58MHz signal video signal without sync signal blanked during vertical retrace short bit sequence sent typically 128bits in digital signatures encryption of data is most commonly achieved through enables decryption of Public key encrypted data Speech coding rate of D-AMPS principal musical interval considered as dissonant Ethernet Standard 3-Level Manchester maximum daily exposure in minutes for a loudness level between 100 -110dB

30cm 5cm reverberation time for an auditorium

threshold of pain approximate critical frequency of E layer approximate critical frequency of F2 layer typical loudness level of watch ticking velocity of sound in wood full-duplex transmission over two-wire at 9,600bps 56,000bps speed of sound in steel threshold of audibility geographic distance required between calls using identical frequencies in order to avoid interference

ratio of the separation distance between cochannel cell to the cell radius

maximum frequency deviation for cellular radio amount of sound reduction provided by a barrier - wall, floor or ceiling sound level most commonly perceived by people number of octaves of human hearing sonic time pattern velocity factor of about 0.8 velocity factor of open-wire line Ethernet system 10 Base T restriction information related to mental processes of knowledge, reasoning, judgment, and perception location of a celestial body in space monitors onboard conditions such as temperature and battery voltage efficient absorption is only possible over a very narrow band approaching 1.0 held in the system until satisfied or abandoned signal level that must be kept within 6MHz other than 6MHz within the next 24 hours visual signal level over RMS interference minimum terminal match front-back ratio RF output terminal match level of attenuation of aural signal with respect to the video signal In CATV, cross modulation of trunk amplifiers In CATV, spurious signal rejection In CATV, sound section isolation carrier shift due to insufficient grid excitation; grid modulation carrier shift due to insufficient grid excitation; high level submarine wire wavelengths where water vapor molecule absorption peaks wavelengths where oxygen molecule absorption peaks 21 satellites velocity modulates the beam

“first inventor” of telephone line turn around 2000 nm peak sunlight wavelength antenna that uses microstrips data rate of a 6MHz terrestrial TV data rate of a 6MHz CaTV practitioner of acoustics precision Loran C/D

used in CATV

not tuned to the 3.58MHz signal video signal without sync signal blanked during vertical retrace short bit sequence sent typically 128bits in digital signatures encryption of data is most commonly achieved through enables decryption of Public key encrypted data Speech coding rate of D-AMPS principal musical interval considered as dissonant Ethernet Standard 3-Level Manchester maximum daily exposure in minutes for a loudness level between 100 -110dB 30cm 5cm reverberation time for an auditoriumproduces a carrier for SSB and CW that is mixed in the demodulator to produce the audio signalcircuit that convert two-wire line to four wire linefilter that use acoustic wave at the surface of the substrate to produce desired signal

what is the difference between wireless bridge and a wireless hub

minimum modulating frequency for FMfrequency of magnetron that is used in a microwave ovenmaximum length of RS232Cthe physical height of an antenna is __ of its effective heighteffeciency of parabolic antennawhy tropospheric ducting is not frequently usedthe color carrier is found __ lower than the audio carrierloudness of clock tickingprincipal musical interval considered as dissonantwhich is not a system requirement for 3G cellularwhat do you call the wave of frequency directly above 300GHzwhat is a filter that uses acoustic waves on the surface of a substrate to achieve the desired responseif line impedance is equal to the load impedancesymbols produced by 16 QAMwhat is used for television to produce special effects and production switchingwhat is introduced to eliminate "singing" the lowest level of the OSI protocol, dealing with matters such as voltages and current levelsthe third layer of the OSI protocolwhat is a plug-in circuit board for a computer that contains the necessary hardware and firmware to connect the computer to a local area network

thin ethernet is also known as in SDLC and HDLC, what is the bit sequence that consist the flagthe public key is used to encrypt the message. A __ is required to decipher itthe 10BaseT ethernet is restricted to a length of__the velocity factor of transmission lines varies from___ratio of width to height of a television picturethe portion of the horizontal blanking pulse before the sync pulsewhat would be the reliable range for mobile-mobiletelephone channel is designed to carry voice signal with __ bandwidthwhat effect… for satellite system to rotate… keeps their beam in one direction…what is meant by CPEwhat is the IEEE standard for ZIGBEEwhat is the IEEE standard for WiMaxwhat is the standard used for high speed ethernet system known as Wi-Fiwhat is the standard used for bluetoothwhat material is suitable for sound insulationwhat is the typical gain for a rhombic antennawhat term in Asynchronous Transfer Mode system is used to describe a bytea ground base navigation system that has 88 to 98% global coverage

in GSM what telephone number that is unique to a given user worldwide

what is the frequency deviation of cellular radio using FMcoined the word "cyberspace"what digital circuit is used as bit splitter

why do most long distance fiber communication system use wavelengths on the order of 1550nm

what cause light loss in fiber opticswhat is the function of buffer amplifiera signal path provided by cable tv system to transmit signal of any typewhat is the codename for the next version of bluetoothwhat is the codename for the next version of bluetooth after lisbonwhat is the korean version of WiMaxwhat is the voltage of ULTOR for 35" color tvAnother name for parity checkingFiber fading due to physicalWhat is the reason why splices are better than connectorsITU standard for video conferencing in telephone linetype of convergence adjust at the back of TV magnetic ringinstrument used in measuring large energy radiationirregular termination of call to the total number of call

damage to the reproductive tissue caused by UV..damage to tissue not only to reproductive tissuein CATV, the sound signal attenuationfor the development of voltage controlselective signalling where low frequency trigger the squelch circuit1.53µm to 1.63µm light

Time Division Duplexing (TDD) is the transmission signal format be cordless telephone-2 (CT) dubbed as ___

Multimedia content Description InterfaceInteractive Video and Data Service; 218-218.5/218.5-219 MHzmodulation used for fiber optics requires 0.8µs delay

32 bits3% 22m 70% increase capacity from 2G vertical flyback equal power per octave IBM token ring permanent damge to hearing maximum voice delay 100m

navigation, maritime and aeronautical comm. 1 to 10 miles

1 to 5 sec

500 ft head end station RF input output impedance matching 460 m 1300 Hz H.21 ISDN for 100% intelligibility WiMax actual/practical range WiMax theoretical range first inventor of telephone (education purpose) vidicon dark current power of cordless phone/devices TDMA frame = 1944 bits LO + mixer in one; using transistor or tube spinning satellite faces the same wayD-AMPS Modulation Technique security of WiFi 19” diagonal power of cordless phone/devices 2% of main signal for minimum interference TDMA frame = 1944 bits LO + mixer in one; using transistor or tube spinning satellite faces the same way

security of WiFi 19” diagonal high-level protocol for low-power digital radio Danish King; Bluetooth was named after him decreases power in vertical plane; more power in horizontal plane

full of consonant tones interval between unpleasant tones uplink frequency for hand-off or for ending call VSELP coding (vector-sum excited) RPE-LPC (regular pulse excited) used in CB broadcast receiver 9 dB or 84% savings 6 dB extension of UHF TV band by NTC IBM, Ericsson, Nokia, etc. AF-modulated light causes crystal to vibrate at AF cancel out noise with signal of equal strength and opposite phase listening period for ehternet (CSMA/CD) C-type line conditioning (?) for private switched networks response of human ear to low-level and high-level sounds, respectively for 100% intelligibility of voice for testing voice intelligibility number of correct ____ syllables over total syllables frequency response weighting in the presence of ultrasound put in waveguide to vary capacitance/inductance a.k.a. transmission loss possible through padder capacitor color testing…TV problem with AFPC of color oscillator color signal interpreted as luminance, results in dots on screen 2 consecutive 1s with same polarity

TV

1.3 MHz bandwith oscillator, driver, power amp circular, polar orbit if VNL exceeds 2.5 dB not used if echo suppressors are enabled data link protocol used in system network A ____ 30 dB VCR (?) 3-minute song, 30 MB 3-minute song, 3 MB additional tone produced other than fundamental tone “address” of particular pager proprietary control; rival to zigbee relay required to “make it full break-in”

the quality of the phase shift

uses PLL to generate LO frequencies to ensure that figure shift/letter shift does not stay on for too long and affect the transmitted message

wide aspect ratio (w/o increase in BW) against electrostatic ____transmitter harmonics demodulates the receive signal, then modulates the signal again output frequency is controlled or set by a binary number

absence of spurious frequencies color beams strike proper phosphors group III fax 33.6 kbps when translated from light to electric, FM is used 51.84 Mbps base rate for elec/optical gas in tube radar distortion caused in fax modulation max variation in visual signal level (CATV) over 24 hours

keep continuous watch; type of radio communications watch Z-matching for antenna, transmission line, Tx used for IR communications purpose of interlock switch trailing wire antenna 21 satellites; most distributed network for zeroing out meters speed of sound at 25°C in sea water feedback related transmission of signal from BTS to mobile switching center, then to PSTN to prevent others from accessing a record that is currently being modified by a user 300 ns first fax (1861) formed by using microstrip on PCB study of generation/measurement of sound from different transducers; branch of acoustics for testing SSB Transmitters resistive termination at one side, signal on the other side of a long wire system identification; lets mobile know whether it is in its home NW or is roaming on during horizontal blanking used for SSB and CW receivers beamwidth varies according to dimensions of horn antenna AM at high frequencies resonant frequency depends on thickness2.305 raceway w/in or just under the floor; connects distribution ducts to terminal equipment 8000 Hz preferred for monaural sound reproduction manages database that provide info from an info provider subscribe to push messages` unsolicited surveys/ads data link protocol used for system network architecture messages

SNR of visual signal level over RMS of coherent disturbances (e.g. intermodulation or frequencies that are offset wrongly)

uses flag field for transparency urgency signal for radio telegraphy low noise, low power, uses varactor to produce gain 100% intelligibility envelope delay distortion for 800/3600 not hierarchical structure; comp. determines most direct route produced by applying UV light; changes in refractive index of fiber the higher the altitude, the lower the index of refraction 13 dB below TLP describes family of interchange circuits C-weighted line conditioning for private switched networks “symmetric key cryptography” global coverage dynamic microphone use permanent magnets

Why is attenuation loss better than dispersion loss?

1900 MHz 890 MHz CATV; cascading amplifiers; maximum number of amplifiers 8 time slots

largest time block in GSM

arthur clarke

chip

KAPAG SUPER HABA NG TANONG. ETO ANG SAGOT

type of LAN that uses coaxialdense wavelength multiple access (DWMA)fresnel conecptfirst fresnel zoneantireflectionfaraday rotation

hole

forward error correction (FEC)optical free spacemodem poolsubsattelite point NAVTEXanisichronousassymetric DSL teledesic system

flat-topped

white noise

5 mils8000 to 20000 miles 50 Hz 22 m 27.7 m 100 m 156 m 200 ns 340 ns 55 degrees above equator1/2 to 2/3

active noise equivalent power

partition noise speech processing

55%

in the near field

what is Mogul-Delinger fadeout

ribbon mic is a type of _____ micmethod of reducing reverberation by using loudspeaker feedback systemWhat is aspect ratio

aspect ratio of HDTVBand for ballistic missile with foliage penetrationKeying sa bandwidthSpeech coding in 3GIn CDMA, the signal is lower than ambient noise. It needs a programmed receiver that can decode the PN sequence

Error rate of satelliteThis amplifies the original frequency before demodulationAmplify the high frequency signalsSomething FM and Noise

Para magkasya sa picture na hindi inuusog ung cameradoes not require 3.58MHz clock or signalPresent in horizontal flyback

SSB PEP typicalOWF compared to MUF

oldest device used to transfer data over a cellular mobile telephone system and a CDPD that allows (IP) data to be transferred over the conventional analog-voice cellular systemConversational service – BISDN provider service that involves a real time and end-to-end transmission between users or between the user and the exchange service center

Formula used to compute noise figure or noise temperature of a receiver composed of a number of cascaded stages Screen Persistence is continous emission of light after excitation of TV tube until it decays to ____ of max value

Image Frequencyforward and reverse channel separationIndustrial Specification for Infraredfocal ratiodelay when going off hook to hearing a dial tone

Rule of thumb

J3EA3Microphone distance from lips

also known as wave antenna2 wavelenghts or more - lengthif there is one long transmission line…micowave with varactorRival of Zigbeelowest loss of transmission linevoltage is max if open Tlinecurrent is min if open Tline

IBM token ringIBMMicrosoft 2000

Citizens Band (CB)

Volume per cubic meter at temp of 20 degrees celscius, frequency of 4000Hz, RH at 80%TVAC power and Cable TVUSSR Microwave Oscillator UMTS (universal mobile telephone system); 2001 not TDMA; Direct Sequence Spread Spectrum- Mobile and Telephone 144 kbps for fast vehicles; 384 kbps for pedestrians and slow vehicles used because of least losses offshoot of TTC (building code)

20,200km; 60° spacing between orbital planes; 6 orbital planes; 55° inclination in building construction (telephone installation); wires poke through fire-resistant floor video conferencing over telephone line low-rate video used in CD- ROM DivX video compression coax connector; expensive but good dissonant tone ratio pleasant tones; antonym of dissonant 440Hz

524Hz nearest star to solar system rapid fluttering; ionic disturbance human hearing range measures virtual height

caused by particles that have the size of wavelength

>170 kbps >384 kbps >2 Mbps

19.39 Mbps 27 Mbps 12W PEP cinema volume level texting system for ships; maritime safety weather; narrowband direct printing telegraphy used for navi systems; aerodynamic for wavelength and waveguide wavemeter coupling from lower edge chroma subcarrier 56 kbps for telephone line

metal film carbon film carbon composition wirewound

not 3G 5 mm, 2.5 mm 1.35 cm, 1.7 mm international mobile subscriber identification mobile ID number 1.25W dense wavelength div mux cellsite; emergency purposes; on flatbed of tractor or trailer 2 ground planes; “sandwich”

4 or 16 Mbps coax with hard shield

forces electron beam to move slowly 36 and 46 MHz in ferrites; due to magnetic field; precession Teflon good for outdoor cables

slight frequency change; modulation of light by the thermal energy in the material; produces phonons and photons

low capacity/number of computers; will do in place of a hub recombination of holes and electrons in LED

microwave repeater distanceOmega

noise figure 9 dB or better 13 kbps speech coding rate 4 MHz wire that acts as a capacitor; capacitance can be changes by bending wire to one side or another for encrypting signal for decryption -48Vdc echo from Tx side to Rx side sent to the calling station to inform that call is in progress distance required before reuse; R – cellsite radius; “Cochannel Interference Reduction Factor” “spatial isolation” – frequency reuse by aiming beams at different locations (spaced-enough) $500,000 - $750,000 to put up easier to work with than single mode; wider acceptance angle

for more direct path; less reflections

all-fiber access systems intended for residential applications width=3 (wavelength of the light carrier) lowers the operating temperature of receivers to reduce noise levels envelope delay distortion test – 1800 Hz between channels 6 and 7 (wideband); above channel 13 (superband) user segment, space segment, control segment; main control – Falcon Air Base, Colorado, USA hybrid T horn amplifier that feeds a reflector 20 mins term for the communication channel over which data is transmitted more amplitude dependent but lower demodulated signal level (50%) 12:1 ratio of capacitance material/absorption losses, scattering losses, dispersion losses

plastic-clad silica; uses silicon plastic millimetric waves 300nm-2000nm (UV to infrared) best response – 1-4 kHz

any optical field that does not change during propagation because of a balance between nonlinear and linear effects in a medium

main accelerating anode for measuring RF current/power in antenna; for measuring resonant frequency of RF circuits corrects 1 bit only

main satellite in the satellite launch standard for digital TV possibly less BW, more immunity to noise, more signal processing technique to reduce flicker of TV picture w/o increasing BW up to 1125 lines; 5 times more video info compared to conventional TV picture noncomposite video signal NTT, 1979 a phone’s code can be stole and copied – clone fraud

it is difficult to produce 90° phase shift for AF in the 5-10 kHz range

alternative to having a dedicated modem + telephone line connection for each workstation part of most aircraft/ships today sinkings led to mandatory 24-hr ship-to-shore communications no relationship in the time interval (“chronous”) between Tx and Rx data sound with compressed data ratesimprovement of TDMAPatong patong na antenna

pag patong patong na antenna

t-1Multimedia content Description InterfaceImproved CDMAproprietary protocol for wireless controlchange the phase angle in TV2 types of software in a networkklystronklystronreflex klystron output

WIMAX

Tinnitus is caused by what?

FOC

Distance between antennas at 850Mhz of operationPCS is made of oscillators before vacuum tubepart of an ear. May cochlea

Why not use a signaling system for each letter of the alphabetFastest topologyCheapest topology

reflection of waves through 2 media; involves materials w/ different index of refraction; also involves angle; reflection of part of incident light

Channel 4 Visual Carrier Frequency

Frequency bands reallocated for 3G that are currently assigned to existing CMTS operators*

Frequency Allocation for Telemetry and other Data Systems

Additional Frequency Band allocation for Broadband Wireless Access

information transmitted to the mobile phone, either subscribed or solicited messages without a user requeset and are initiated by the PTE or CP_____ is th eprovision of voice communication using Internet Protocol (IP) technology, instead of traditional circuit switched technologyRefer to enhanced services beyond those ordinarily provided for by local exchange and inter-exchange operators, and overseas carriers through circuit switched networks.

Answer10

12 hrsNo colorPOTS (plain old telephone system)0.92 MHzPower amplifier120 dB8VSBGPRSIS 95Hybrid T6.4 micro secondsOct 13, 19831125TeflonSpace segment, user segment, control segmentMIE scatteringInitial payloadSpace probeBecause FM uses class C amplifiers2001Soft handoff$500,000-$750,0003.579545 MHz Plumbicon27 MHz10 Gbps2001Soft handoff$500,000-$750,0003.579545 MHz Plumbicon27 MHz10 Gbps20 minsInertial Navigation System (INS)Strap-down transducerRepublic and TitanicServer-client, Peer-to-peerRecord LockingLower power efficiency, difficult to adjustFlicker noiseHot lineSomaticCapture rangeEcho SuppressorsInexpensive and more flexibleBUS topologyNothing

No colorBy illuminating the fiver with ultraviolet light

Because it can be used to reduce the range of a base station to reduce interference

Crystal, electret and condenserSolitonsMusical scaleIntercarrier soundDynamic microphonesFiber Distribution Data Interference (FDDI)

World Wide WebThey have low capacitance and inductance Skip ZoneFrequency duplexBISYNCSpecial Effects Groups (SEG)Special Effects Groups (SEG)ReverberationCavity resonatorCablingAlong the normal Secondary payloadYellow greenOvertoneBackground noiseThe brightness of the colorI signal24 times32 bits1.3 micro seconds12.4 micro seconds1-5 seconds12 hours36 dB6 dB or better5 dB or better500 ft50 ft20 Phons±12 kHz10 kHz2.45 GHz262 Hz3 kHz30602Class 3 (portable phone)Class 2Class 110Precession

Peer to peer, client serverApogee kick motor0.01 µV to 0.2µV0.1µV to 2µVPlumbicon

Both the implementing date (year 2000) and operating frequency (2000 MHz)

Mechanical filterFrequency hopping144 kbpsRingback SignalInexpensive and more flexible100 mr40 kmSmart cardFlicker noise45 MHzSidetone Dolby AC-3Transmission loss0.6 to 0.8Echo suppressors55 degrees60 degreesThe angle of inclination is too low for these regions10 Gig per secPhotometry73 ohms0.7Pseudorandom codeEqualizerLocal Multipoint Distribution System (LMDS)6879 statute miles per hourDiscrete Cosine TransformClass 2 or transportable phone16Fresnel reflectionPagesPhysical layerIndex of refractionDynamic, ribbon, carbon13 kbpsFriis’ formulaPhysical layerY (luminance)300 Hz- 3 kHz8 to 14 modulationMore than 2 mbps2.45 GHzFaraday effectBrittlenessTo cancel chroma crosstalkTint350 MHz to 10 GHz8PSKPrivate keyPre-paid phone card384 kbpsWireless application protocol

242 Hz542 HzMembrane absorberDwell time+6dB600mWThe brightness of the colorVoiceOmni-directional range station20 ppm10Cross luminance42500 to 1000 HzAmplitude4 or 16 Mbps2001Poisson6879 statute mph¼ of a mile absolute & >100ftIt doesn’t require a connection1Spatial isolationTunnel diodeRadio detector60 dB40 dB16 dBHard linePatch antennan-type connector2.27CablingAlong the normal4 timesConstellationIts easy to move computersNothingLocal Multipoint Distribution System (LMDS)

No colorWWW50 feet1.5 msV syncBrillouin scatteringFloodingFM

AF and RF

Push-pullH3EMore than 2Mbps8GPRSPAMContentionOctave intervalRoot noteBoth BNC and RJ49 connectors1.35cm and 1.7mmClass III (mobile phone)Musical scalePayload pointer

Head endBecause it is not reliableDecrease mic signal in phonesRingback signalRep - roentgen equivalent physicalRbe – roentgen biological effectiveness4.5MHz8-VSBultorAntodyne converterRun length encoding

Gray0.024MHz100m3 level Manchester code10kHz0.297222222222222COWDistance-to-reuse ratio (D/R)

JabberProxima CentauriDown tiltDuplexerPOTS

Since no energy is reflected from the match load, so for the source it appears as if energy is put into the line continuous to move down the line forever

Purity

GPRSBecause of purer sine wave ACAmplify and isolate0.99

The oscillatorInitial payload6PCS (plastic clad silica)Capture effectIt has the least bandwidthAurora borealisThe Republic and The Titanic

Physical layerTTCShape factorPeak envelope powerNEC D3 standard12 to 1Faraday’s effect2 dB or lessNetworkAbsorption or loop

PolyethyleneSpace probe

-48VdcMIE scattering

Index of refractionRed LEDPositive To create resonance circuits and filtersSun sensor

Gimmick

BrittlenessBPA100RadiationRbe x rad0.5

Because higher impedance line has lower current for a given power level

High efficiencyFlat top samplingStation class markX modem7Horn SSB Surface Acoustic Wave (SAW) filter Plumbicon (lead oxide) +6 VU (volume unit) Despun antenna Attitude control Apogee kick motorTTC Helical antennas Faraday screen 121.5 MHz 2182 kHz LORAN C/D Class I Class II Class IV Discone antenna Cellular phone FM (AMPS)12 kHz deviation5150 m/s TDM AMPS D-AMPS 3G IS-95 IMT 2000 1550 nm Satellite closet Helmholtz resonatorGPS Poke-through H.261 MPEG-1 MPEG-4 Type N connector 7:08Consonant tones American concert A One octave above middle C

Because they have greater effective area or greater proportion of radiated energy intercepted

±

Proxima centauri Aurora borealis 10 octaves Ionosonde Brillouin scattering Mie scattering 6 MHz terrestrial 6 MHz data (cable modem) SSB J3E 3.1 m3/person NAVTEX Slot antenna Hole 1.25 MHz + 250 kHz 3.579545 MHz V.90 IMT2000 02 absorption Water vapor IMSI MIN WCDMA DWDM COW Stripline MicrostripIBM Token ring Hard line TwinaxSlow wave structure Popular IF for TV receivers Precession Polytetraflouroethylene Polyethylene Cross-over cable Electroluminescence PhotometryAperture antenna40 km UHF channel GSM Critical frequency of E layer Gimmick Public key Private key On-hook loop voltage (telephone) Side tone Ringback

Cell site D/R ratio Satellites Base station Multi-mode fiber

Soliton Passive optical network Single-mode fiber Cryogenic cooling SSB CATV channels GPS Magic T Feed horn 120 dB exposure Datawire Ratio detector Varactor diode (for direct FM) Losses in fiber optic cable

PCS Frequencies directly above 300 GHz Sunlight radiation Human ear

Ultor Grid-dip meter/detector Hamming code Fresnel reflection Initial payload 8-VSB Why digital TV ? Interlacing HDTV Video signal w/o sync pulse Commercial (analog) telephone service Problem of 1G

Why is it hard to transmit music using SSB? Modern pool Inertial Navigation Systems (INS) Republic and Titanic (1910 and 1912) Anisochronous Dolby AC-3 surround sound

Why is height still important for mobile telephone transmitter antenna?

Splice is better that connectors because there is no air gap

If the desired area to capture cannot fit into the camera’s field of view, use a lens with shorter focal length

for synching Ethernet gain of rhombic antenna

auxiliary equipment required

roentgen effective bio

172.2 kbps 1.6 to 1.8 s red LED used response of human ear

Multimedia content Description Interface “wave antenna”; 2lambda damage a crystal microphone 1920 to 1980 MHz dynamic, carbon, ribbon crystal, condenser, electret

interaction between e beam and RF field; linear path high power oscillators smaller satellite

connector for oscillators and lab instruments first cellular phone in 1924

temperature controlled enclosure for equipment 1.53µm to 1.63µm light high absorption of sound gives passwords to LAN requires limiters

does not require limiter; improved Foster-Seeley

120 Ω/loop mile flicker noise unpleasant intervals of sound

LO + mixer in one

1st note in musical scale root note of diatonic scale 20 to 40 Hz 1 byte = 1 octet 41.25 MHz

effective height of antenna compared to actual antenna height

45.75 MHz for billing tracking number assignment mobile (NAM)

returning same features when switching carriers analog mod used for fiber optics fiber distribution data interface

no need for dialtone interval between offhook and dial tone

separates Y and chroma; CANCELS CHROMA COLOR

supervisory audio tone

CDVCC (Coded Digital Verification Color Code)

1st commercial telephone service by NTT 960 M to 1215 M

52 Mbps downstream/ 2.3 Mbps upstream 32.768 Mbps email; 4.8 to 64 kbps

wired equivalent privacy; 64/128/256 bit encryption

for special effects in TV (special effects group)

amount of exposure biological impact requires 0.8µs delay 576 channelsDelta Modulation 100 dB - RF and IF gain in receiver0.90.8Critical frequency of F2 Ephemeris

local multipoint distribution service; 28 GHz; internet, for home

multichannel multipoint distribution service; many people; wireless

Cellular Digital Packet Data (CDPD); packets over voice channel

transmission line calculator; SMITH CHART IS CIRCULAR BECAUSE

SS technique; carrier frequency is linearly moved or shifted throug

Interactive Video and Data Service; 218-218.5/218.5-219 MHz

troposcatter single hop night time range of F2 3300 m/s GSM/TDMA 20 phons M88 Hybrid Transformer click SDMA IS 95 International pitch A Hash Envelope Delay Distortion

BISYNC Blank and Burst

real time of info

mechanical splicing- THE ENDS ARE GLUED TOGETHERfusion splicing 2 mV CTCS Differential Peak Detector Blooming smart card armature

MPEG4 - current video compression standard 6 to 10 dB noise figure: (with equalizer)12 dB 3 dB 13 to 17 dB Cross Luminance S unit +- 25V AMPS Positive Carrier Shift Negative Carrier Shift

0.5 milliroentgents per hour from 5 cm, 10 MILLIROENTcamera pickup tube <5% - interference to visual signal levelMeasuring rad exposure downtilt

Why use geosynchronous satellites? To simplify tracking requirements

fiber optics are preferred to satellites for long distance telephone transm

1800 Hz Two tone test Pump laser MPEG2 IMTS PON (Passive optical Network)Ethernet CT 2 Horn and slot 3dB 12 dB 12 dB 46 dB 28 dB 18 dB 16 dB 13 - 17 dB 80 dB 60 dB 40 dB Positive Negative Trailing wire 1.35 cm to 1.7 mm 5 mm to 2.5 mm Intelsat Buncher Antonio Meucci 1.5ms 300500 nm Patch antenna 19.39 Mbps 27 Mbps Acoustician ¼ mile absolute and 100 feet relative

Between Channels 6 and 7 and above Channel 13 Video Preamplifier Noncomposite signal 42H Hash Public key encryption Private key encryption 8kbps 0.297222222222222100 Base Tx 20 mins

10 milliroentgens 0.5 milliroentgens 1.6s - 1.8s

1.4 -3.4s - reverberation time for a church120 dB 4 MHz 8 MHz 20 phons 3300 m/s V.32 V.90 5150 m/s 10-12 W/m2 Distance-to-reuse ratio

Cochannel Interference Reduction Factor (CIRF) ±12kHz Transmission loss 6 to 10 dB 10Rhythm Twin-lead 0.9100 m Cognitive Ephemeris TTC Helmholtz resonator Poisson 3dB 12 dB 12 dB 46 dB 28 dB 18 dB 16 dB 13 - 17 dB 80 dB 60 dB 40 dB Positive Negative Trailing wire 1.35 cm to 1.7 mm 5 mm to 2.5 mm Intelsat Buncher

Antonio Meucci 1.5ms 300500 nm Patch antenna 19.39 Mbps 27 Mbps Acoustician ¼ mile absolute and 100 feet relative

Between Channels 6 and 7 and above Channel 13 Video Preamplifier Noncomposite signal 42H Hash Public key encryption Private key encryption 8kbps 0.297222222222222100 Base Tx 20 mins 10 milliroentgens 0.5 milliroentgens 1.6s - 1.8s beat frequency oscillator (BFO)hybrid transformersurface acoustic wave (SAW)

the wireless bridge has more power output50 Hz2.45 GHz50ft.1/2 to 2/355%it is not reliable4.520 phons7:08IMT-2000millimeter wavesurface acoustic wave (SAW) filterthere is no standing wave16SEGvia net loss (VNL)physical layernetwork layernetwork interface card (NIC)

cheapernet1111110private key100m0.5 to 0.9aspect ratiofront porch1 to 10 miles4000kHzgyroscopic or flywheel effectcustomer premises equipmentIEEE 802.15.4IEEE 802.16IEEE 802.11bIEEE 802.15heavy materialsbetween 15-60 dBOctetomega

international mobile subscriber identification+/- 12 kHzwilliam gibsonshift register

attenuation, scattering, dispersionamplification and isolationclass IV cable tv channellisbonsheattleWiBro30kVVertical Redundancy CheckBackHoe Fadingbecause splices have no air gapsH.261static convergencedosimeterdrop call rateportable payphone boothGeneticssomatic13-17dBacquisition phase lockcontinuous tone controlErbium-doped fiber

because the loss in glass fiber is lowest at a wavelength of approximately 1550nm

MPEG 7IVDSIntensity ModulationY videoSoliton ESN Max. envelope peak distortion GPS Precision position 3G 10 lines pink noise 260 nodes 130-150 dB 300 to 400 ms 10 Base T 99% emission withing transmitterL band mobile to mobile reliable range

Height of class B FM 16 dB LORAN C/D Narrowband voice mod SSB bandwidth 32.786Mbps 80% articulation 3-5 miles (5-8km) 50km Antonio Meucci 0.2μA 5 mW D-AMPS Antodyne converter Gyroscopic/ flywheel effect Pi/4 - DQPSKWEP 19CP4 5 mW Analog cellphone D-AMPS Antodyne converter Gyroscopic/ flywheel effect

EP 19CP4 Zigbee Harald Blatand Vertically-stacked antennas

repeater - how long does it find a repeater until the phone drops out?

Diatonic scale Discordant interval GPRS 10 kHz D-AMPS GSM High-Q loopstick SSB S-unit 674-728 MHz 1998Opto-acoustic transducer Active noise control 9.6 μs C3 A and B weighting 80%Articulation test Articulation efficiency U-weighting Tuning screw Degree of sound absorption 3-point tracking Staircase Drift of color bars Cross color Bipolar violation

All colors at 75% modulation except gray ISequence in tuning Orbit used in navigational system Echo suppressor Full duplex SDLC Moderate sound level 1 TV field recorded per slant track WAV MP3 Overtone Capcode Z-wave Simplex

Frequency synthesizer Unshift on Space (USOS)

In a phasing SSB transmitter, what determines degree of unwanted sideband suppression?

Letter boxing Faraday screen/shield Regenerative repeater/transponder Numerically-controlled oscillator Frequency froggingSpectral purity Purity 6-15 sec, 14.4 kbps V.34 bis Analog drum scanner SONET Blue stuff between plate and cathode Christian Hulsmeyer Kendall effect 12 dB 46 dB Copy watch Antenna tuner 780 nm, 950 nm To protect personnel Used in submarine LF/VLF Intelsat Zero-adjusting 1520 m/s Howl Backhaul Record locking GPS time accuracy Pantelegraph Patch antennas Transduction Two-tone test Beverage antenna SID Burst separator BFO Aperture antenna PIN diode GUNN diode 2.3 GHz band Header 80160 -8000 Hz Content provider Opt-in Opt-out Spam SDLC

Bit-oriented protocol PAN PARAMP 80% articulation frequency 1750 μs Flat NW Fiber grating Ionosphere DLP V.24 C3 Private key Hemispheric beam Used for aviation Dynamic and ribbon

1880825 -845 MHz, 870 4GSM or TDMA

Hyperframe use of satellite in microwave comm

chirpCARS (Cable TV Relay Station)

catcherone in one billion

pulse per minute (ppm)standard classical

coupling of waveguide and waveguide meter

point on earth right below the satellite

for faster...most ambitious LEO system

attenuation loss can be made up by optical amplifier, dispersion loss has to be fixed by regenerative repeaters (expensive)

binary words used to encode earth station transmissions in satellie comm

signal that is maintained

noise with equal intensity at any bandwidth ??? tama ba?diameter of fiber optic

height of MEO ??? refresh rate of PAL

pps horizontal pps vertical

sps horizontal sps vertical

pps time sps time

GPS inclination of the orbits effective height of an antenna

in BJT before voice is transmitted

maximum efficiency of parabolic antenna

where effect of radiation is hard to measure

Sudden Ionospheric Disturbance frequency

19.2Conversational service pressure-gradientambiophonyratio of width to heightFriss Formula

1%16:09UHFdirectly proportionalAdaptive Multirate

In CDMA, the signal is lower than ambient noise. It needs a programmed receiver that can decode the PN sequenceone in one billion bitsTRF receiverPre-emphasisThreshold effectReactance Modulatordecrease focal length of the lensvideo preamplifierBurst separator (?)Helmholtz resonatorFlat fading1/4 to 1/3 of PEP15% less

noise intentionally introduced with opposite polarity to the natural noise

image frequency=fs+2IF45MhzIrDAfocal length/diameter=8/4=2dial tone delayMaxwell's equationcapture rangesquelch circuitNAM (number assignment module)40%electron bunching12W PEP4W2 inchestwinaxbeverage antennabeverage antennabeverage antennaPARAMPNanoNETtwin lead

voltage is max if open Tlinecurrent is min if open Tline

260 nodesnot a multitasking peer to peer servernot peer to peer55dBmV40 channels26-27MHz16.4 x 10^(-3)deflection yoke30VAC, 60VACGyrotron3G IS-95 IMT 2000 1550 nm Satellite closet Helmholtz resonatorGPS Poke-through H.261 MPEG-1 MPEG-4 Type N connector 7:08Consonant tones American concert A

One octave above middle C Proxima centauri Aurora borealis 10 octaves Ionosonde Brillouin scattering Mie scattering

Data rates:GPRS EDGE 3G

6 MHz terrestrial 6 MHz data (cable modem) SSB J3E 3.1 m3/person NAVTEX Slot antenna Hole 1.25 MHz + 250 kHz 3.579545 MHz V.90

Flicker noise voltages:0.02-0.2 μV 0.05-0.3 μV 0.1-3.0 μV 0.01-0.2 μV

IMT2000 02 absorption Water vapor IMSI MIN WCDMA DWDM COW Stripline MicrostripIBM Token ring Hard line TwinaxSlow wave structure Popular IF for TV receivers Precession Polytetraflouroethylene Polyethylene

Cross-over cable Electroluminescence PhotometryAperture antenna40 km

Radar – depends on:Distance – speed of pulseAltitude – vertical beamwidthDirection – directivity of antenna

UHF channel GSM Critical frequency of E layer Gimmick Public key Private key On-hook loop voltage (telephone) Side tone Ringback Cell site D/R ratio Satellites Base station Multi-mode fiber

Soliton Passive optical network Single-mode fiber Cryogenic cooling SSB CATV channels GPS Magic T Feed horn 120 dB exposure Datawire Ratio detector Varactor diode (for direct FM) Losses in fiber optic cable

PCS Frequencies directly above 300 GHz Sunlight radiation Human ear

Why is height still important for mobile telephone transmitter antenna?

Splice is better that connectors because there is no air gap

Ultor Grid-dip meter/detector Hamming code Fresnel reflection Initial payload 8-VSB Why digital TV ? Interlacing HDTV Video signal w/o sync pulse Commercial (analog) telephone service Problem of 1G

Why is it hard to transmit music using SSB? Modern pool Inertial Navigation Systems (INS) Republic and Titanic (1910 and 1912) Anisochronous Dolby AC-3 surround sound is-136Antenna Stacking

reduce radiation in vertical, increase gain in horizontalTDM and PCMmpeg 7CDMA 2000Z-wave tintpeer-to-peer and client-serverTypical output is 10MWgain 70dB100mW

Worldwide interoperability for Microwave AccesExposure to high level of noise

core diameter should be 3 times the wavelengthlamba/2 or .18msiliconespark, arc and alternatorEardrumtuning coilnoise would produce too many errorsBUSRing

If the desired area to capture cannot fit into the camera’s field of view, use a lens with shorter focal length

67.25Mhzpush messagesVoipValue Added Services (VAS)825-845MHz870-890MHz

481.250-481.475 MHz 486.250-486.475 MHz410-430 MHz

Analog cell phone:

Cable TV:16 dB - matching (RF)

28 dB – terminal isolation

40 dB – sound carrier isolator

60 dB – spurious radiation rejection

80 dB – cross modulation

-60 dB – adjacent channel isolation

1 dB – audio signal level

2 dB

36 dB – video SNR for modulator

Data rates:

Flicker noise voltages:

Radar – depends on:Distance – speed of pulse

Altitude – vertical beamwidth

Direction – directivity of antenna

Intermediate frequencies:

AM – 455 kHz

FM – 10.7 MHz

Radar – 30MHz

TV receiver – 36 and 46 MHz

GLONASS-Russian counterpart of the USA’s GPS

-24 satellites (21 operating, 3 spare), 45 degrees separation

-3 orbital planes, 120 degrees separation

-64.8 degrees angle of inclination

-19100 km altitude

-11 hours and 15 minutes approximate orbit time

Blackout:

Class I à 0.6W

Class II à 1.6W

Class III à 3W

GPRS à >170 kbps

EDGE à >384 kbps

3G à >2 Mbps

0.02-0.2 μV à metal film

0.05-0.3 μV à carbon film

0.1-3.0 μV à carbon composition

0.01-0.2 μV à wirewound

±

R1 – occasionalR2 – 10minutesR3 – 1 hrR4 – 2hrsR5 – long time