Low current AC control (CB20707E)

This SCR circuit is intended to control an AC load with a low current switch. This switch can be a reed sensor. The load depends on the SCR.

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Audio limiter (CB7398E)
This circuit was found in documentation from the 1980s. It is powered by the audio signal that must...
Damped Oscillator LM108 (CB19097E)
Damped oscillators can be used to produce sound from percussion instruments such as the triangle, bell,...
IR remote control ON OFF test (CB7820E)
Found in Radio Electronics from the 90s, this circuit produces pulses to test an infrared...