Circuit Bench

Articles
Title
Telephone switchboard (CB25400E)
Symmetrical power supply with separate outputs (CB25955E)
Negative Voltage Generator (CB25844E)
Latching relay (CB25722E)
Fourth-order low-pass filter (CB25596E)
Precision Controlled Oscillator 555 (CB25516E)
CMOS interface with optical coupler (CB25493E)
10 LED 0 to 1 V Scale U237B and U247B (CB25440E)
LED Astable (CB25419E)
Divider by 17 with the 4017 (CB25915E)
Resolution enhancement circuit for bridges (CB25895E)
Variable High Pass Filter 23 to 700 Hz (CB25821E)
Simple relay drive with transistor (CB25631E)
Constant Volume Amplifier (CB25573E)
Semi-isolated Collpits oscillator with parallel crystal (CB25555E)
Wireless Microphone (CB25550E)
Octave Generator (CB25462E)
CIR25402S CB25378E (CB25378E)
Differential amplifier LM741 (CB25929E)
Negative Converter for 6 to 10 V Voltages (CB25846E)
220 kHz FM Circuit (CB25771E)
Timer up to 100 minutes (CB25747E)
Active Tone Control (CB25701E)
3-Transistor Monostable (CB25673E)
Twin-T Rejector Filter 741 (CB25603E)
Unity Gain Second Order Filter (CB25596E)
555 Code Practice Oscillator (CB25530E)
LED Scale Transducer U237B (CB25441E)
Mixer with voice effects (CB25401E)
Rain Detector (CB25963E)

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