Circuit Bench

Articles
Title
Triac unijunction trigger (CB9290E)
Medium wave booster (CB9171E)
Wien Bridge Oscillator (CB9040E)
Optical FM Transmitter (CB8864E)
Differential relay (CB8839E)
Video multipplexer (CB8735E)
Remote temperature sensor (CB8713E)
Delayed flash trigger (CB8701E)
18 V Power Supply (CB8683E)
Telephone line interface (CB8659E)
Small inverter (CB9670E)
Crystal oscillator (CB9620E)
Touch bistable 555 (CB9565E)
Preamplifier with tone control (CB9517E)
PUT long interval timer (CB9498E)
Two-phase VCO (CB9433E)
Optical tachometer (CB9349E)
Oscillator with variable active cycle (CB9218E)
Telephone dialer (CB9235E)
CMOS PLL Siren (CB9205E)
Automotive equipment source (CB9116E)
Two tone siren (CB9085E) This circuit was found in a 1980’s Radio Electronics. The signal must be applied to an amplifier stage. Capacitors can be changed to change effects. img src="images/stories/bc/144064"
Non-inverting amplifier (CB9018E)
Current Booster (CB8994E)
Alarm with lock (CB8964E)
High current neon regulator (CB8812E)
Long time intervals with precision (CB9682E)
Limit comparator (CB9591E)
Over and under temperature alarm (CB9477E)
Wien Bridge Oscillator CA3140 (CB9418E)

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