3-transistor amplifier (CB23537E)

This transformerless 16-ohm speaker circuit was found in a Radio Electronics from October 1963. The circuit is powered by 12 V and the gain is 50 dB.

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Signal Injector and Follower (CB18811E)
This ultra-simple test circuit is of great use in any electronics bench. The power is supplied by a...
12-Bit A-D Converter (CB5025E)
This circuit was found in an Electronics World magazine from 1990. The circuit can be mounted...
100 MHz harmonic oscillator (CB9659E)
This Pierce oscillator was found in American documentation from the 1980s. Transistors support modern...