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Title
Personal Stereo (CB26270E)
Laser Diode Driver (CB26182E)
Astable with MOSFET (CB26080E)
Step-up attenuator (CB26096E)
Triple DC Motor Control (CB26035E)
Twilight Simulator (CB26055E)
Retrigger for 555 (CB24455E)
Rhythmic Light (CB26328E)
High Power Audio Multivibrator (COM12164E)
Intrusion Alarm (CB26238E)
Automatic Voltage Regulator (CB26212E)
Kirlian Machine (CB26142E)
Laser Alarm (CB25976E)
Thermistor Control (CB25082E)
Double Christmas Flasher (CB25106E)
On and Off with SCR (CB25060E)
CMOS Inverter Oscillator (CB25024E)
MOSFET Amplifier Stage (CB26315E)
Turn Signal and Brake Indicator (CB26293E)
Inductive Charger (CB26183E)
Temperature Deviation Alarm (CB26161E)
LM4862 Sine Wave Oscillator (CB26114E)
Remote Control Detector (CB26017E)
Micro spy (CB24456E)
Control by audio signals (CB26329E)
Subwoofer Amplifier (CB26271E)
Guitar Fuzz (CB26213E)
Heater Control (CB26130E)
HT2030 Ornamental LEDs (CB26036E)
Highly Sensitive Laser Alarm (CB25977E)

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Circuit Bench

  • Thermostat (CB24165E)

      This temperature alarm has maximum and minimum settings. We found it in the September 1971 Radio...

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      This circuit was found in the May 1990 Radio Electronics magazine. The timings depend on the...

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      This alarm from an old 1978 publication uses PNP transistors and driver and output transformers that are...

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