R FUTURE KIT à¤Ã×èͧª ‡Ç¿ ѧàÊ Õ§ HIGH QUALITY ...€¦ · VR VR HORIZONTAL...

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http://www.futurekit.com FUTURE KIT FUTURE KIT HIGH QUALITY ELECTRONIC KITS HIGH QUALITY ELECTRONIC KIT SET FOR HOBBY & EDUCATION R NO.1 Figure 2. Circuit Assembling LEVEL 1 WHISPER AMPLIFIER à¤Ã×èͧª‡Ç¿ѧàÊÕ§ CODE 917 NOTE: FUTURE BOX FB03 is suitable for this kit. Figure 1. The Whisper Amplifier Circuit R .....R R Figure 3. Installing the Componants RESISTOR C C .....µF C CERAMIC CAPACITOR C + + C .....µF C + ELECTROLYTIC CAPACITOR Watch the polarity! Watch the position of the notch! IC 1 IC 1 TRIMMER POTENTIOMETER VR ..... K1 2 3 VR VR HORIZONTAL VR VR VERTICAL FK917 RED + BLACK - + - 1.5V + - 1.5V POWER SOURCE 1.5Vx2 SIDE AA VR1 G +3V SP + - + + + + + + CONDENSER MICROPHONE + EARPHONE

Transcript of R FUTURE KIT à¤Ã×èͧª ‡Ç¿ ѧàÊ Õ§ HIGH QUALITY ...€¦ · VR VR HORIZONTAL...

Page 1: R FUTURE KIT à¤Ã×èͧª ‡Ç¿ ѧàÊ Õ§ HIGH QUALITY ...€¦ · VR VR HORIZONTAL VR VR VERTICAL FK917 RED + BLACK - +-1.5V +-POWER SOURCE 1.5V 1.5Vx2 SIDE AA VR1

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FUTURE KIT

FUTURE KIT

HIGH QUALITY ELECTRONIC KITS

HIGH QUALITY ELECTRONIC KIT SET FOR HOBBY & EDUCATION

R

NO.1

Figure 2. Circuit Assembling

LEVEL 1

WHISPER AMPLIFIER

à¤Ã×èͧª‡Ç¿ѧàÊÕ§

CODE 917

NOTE:

FUTURE BOX FB03 is suitable for this kit.

Figure 1. The Whisper Amplifier Circuit

R .....Ω

R

R

Figure 3. Installing the Componants

RESISTOR

C

C .....µF

C

CERAMICCAPACITOR

C

+

+

C .....µF

C

+

ELECTROLYTICCAPACITOR

Watch the polarity!

Watch the

position of the notch!

IC1

IC

1

TRIMMER

POTENTIOMETER

VR .....KΩ1

2

3

VR

VR

HORIZONTAL

V

R V

R

VERTICAL

FK917

RED +

BLACK -

+

-

1.5V

+

-

1.5VPOWER SOURCE1.5Vx2 SIDE AA

VR1 G

+3V

SP+

-

+

+

++

+

+

CONDENSERMICROPHONE

+

EARPHONE