Fisher CA-271 - Page 9

INTEGRATED
CIRCUIT
BLOCK
DIAGRAM
continued)
TAPE
INPUT
ANALOG
SWITCH
IC
LC
4066
B
sw. D SW. C
CONT CONT ff 1 f 1
Vpp A B IN/OUT OUT/IN OUT/IN IN/OUT
Vec Vout! VINI- = -VINI + VEE Vin2+ ViN2— our Vec
LED METER DRIVE AMP IC IR 2E19
Vcc VreG OUT? OUTS OUTS OUTs OUTS OUTz OUT! =IRA IRB
10 4004 2 3 4 5 6 7 16 615
Constant
Current $