CREI Electronics Design Laboratory 1974

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CREI Design Laboratory circa 1974 schematic diagram drawn by R Phillips April 2012

Transcript of CREI Electronics Design Laboratory 1974

CREI ELECTRONICS DESIGN LABORATORY

Drawn by Robert Phillips, Westlake, OhioApril 2012 Grn 12VDC 120 VAC 1 Grn/Yel 19VAC CT Grn1000f 25Vdc

7805 D-Pak 2

3 1f

+5V 1A

22.7VDC 500f 50Vdc Red 100 Red/Yel 35VAC CT Red .01 270 2N4037 5 +Out LM4501N 7 +In SG4501j 3 +Sta .01 b 4 +Sense Gn d 11 --Sense .01 12 --Stab 10 --Out 8 --In .01 VAdj 14 27k 15 12 2 NC 6 NC 9 NC 13 NC 1 10

+12/15V 100mA

Com

270 2N3053 Power Supply Section 500f 50Vdc --22.7VDC 100

10

--12/15V 100mA

x10 k x100 x1 10uF 0.1uF .001

VCO Function Generator Section

2

+

1 741 Sine

3

7 4 --12 +12 Trianagle

--12

1 2

500 470 Frequency 150k .01 +12 Symmetry

3 4 5 6

NC 14 I C L NC 13 82 k 8 Sin Adj 12 0 V - 11 .D.C. 3 8 C t 10 .F req V+ 9 V co I n

NC

--12

+5 22 k Square

7 FM Bias FM Sweep 8 15 k .001

+5.01 L0 L1 150 L1 1 2 3 L0 4 5 6 7 Gnd S3 L2 150 7402 Vcc 14 13 12 11 10 9 8 S2 nc L3 L2 L3

A

A

Logic Section

B

B

Square

1 2 3 4 5 6 7 Gnd

7400

Vcc 14 13 12 11 10 9 8

+5

.01

1 2 3 4 5 6

7440

Vcc 14 13 12 11 10 9

+5 .01

nc

7

Gnd

8

S1

S0 1k

+5

Substitutions 7420 replaces 7440 74LSxx replaces 74xx MC1468 replaces LM4501 with some modifications.