Circuit Bench

Articles
Title
VCO CMOS (CB12340E)
Touch Switch (CB12332E)
Undervoltage Indicator CA3140 (CB12312E)
Divider by 4 320 000 (CB12304E)
Crescent Tone Siren (CB12284E)
Sound Effects Generator (CB12229E
Audio Stage with Bootstrap (CB12203E)
Telephone in Use Line Indicator (CB12177E)
Different Two-Way Control (CB12059S)
Two Transistor DC Motor Control (CB12043E)
Hartley Continuity Tester (CB11947E)
1926 Galena Radio (CB11877E)
Diac Voltage Sensor (CB12992E)
Electronic Siren (CB12926E)
Noise Silencer (CB12872E)
Square Wave Generator (CB12810E)
Medium Power Transistorized Amplifier (CB12699E)
Light Alarm (CB12619E)
Light Alarm with the 741 (CB12591E)
Proximity Detector (CB12547E)
1A Step Up Converter (CB12535E)
Power Supply Timer (CB12474E)
Crystal Calibrator (CB12492E)
Soft turn on with MOSFET (CB12352E)
DC Voltage Doubler (CB12290E)
SCR High Power Control (CB12248E)
SCR Light Alarm (CB12197E)
Damped Oscillator with the 741 (CB12168E)
Counter 18 to 26 with the 4017 (CB12133E)
Charger Nicad (CB12119E)

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