100 MHz harmonic oscillator (CB9659E)

This Pierce oscillator was found in American documentation from the 1980s. Transistors support modern equivalents.

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Surge limiter (CB8376E)
Found in a 1965 Electronic Design, this circuit limits surges in a load when power is applied. The...
Half-Wave Rectifier LM741 (CB25218E)
This instrumentation circuit was found in the September 1989 issue of Radio Electronics magazine....
Modulated Siren 555 (CB6421E)
In the original publication of the 90s a 556 consisting of a double 555 is suggested. The circuit...