Circuit Bench

Articles
Title
Telegraphy Practice Oscillator (CB18342E)
Phase Inverter (CB18959E)
Amplifier CA3020 (CB18499E)
4 Transistor Stereo Amplifier (CB18848E)
Presence Detector (CB18741E) The original name of this project found in documentation from the 90s is “ghost hunting”. The circuit uses a not too long stretched plate or wire as a sensor and has its adjustment made by a trimpot. The power i
6-Transistor Radio TR6A (CB18391E)
Stereo FM Transmitter (CB18734E)
Single Channel 27 MHz 3 V Receiver (CB18529E)
Hearing Aid Amplifier (CB18830E)
Micro Amplifier H531 (CB18398E)
TTL Time Base (CB18258E)
Car BTL Amplifier Module (CB18593E)
Instrumentation Amplifier (CB18993E)
Grid Dip Meter (CB18522E)
MW Commercial Radio (CB18308E)
Power Inverter (CB18502E)
Amateur Radio Amplified Microphone (CB18781E)
Guitar Tuner (CB18780E)
Multifunction Timer (CB18763E)
20 plus 20 W BTL Amplifier (CB18818E)
Photo Oscillator (CB18549E)
Field Strength Meter (CB18302E)
1 to 500 V voltmeter (CB18548E)
Crystal Oscillator 1 to 20 MHz (CB18932E)
Infrared Remote Control Transmitter (CB18723E)
Monochannel Remote Control Receiver (CB18340E)
Audio Preamplifier (CB18323E)
General Purpose Amplifier TDA2030 (CB18475E)
Physiotherapy Ultrasound (CB18760E)
Capacitance meter 10 to 1 000 uF (CB18929E)

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