SCR Flasher (CB23953E)

We found this traditional flasher configuration in a June 1969 Radio Electronics magazine. SCRs are controlled by the power of the lamp.

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Milliammeter Scale Expander (CB4773E)
This circuit was found in a Popular Electronics of the 1990s. Its purpose is to expand the scale of...
6-Sequential Sounder Siren (CB18001E)
This 2002 documentation circuit is suitable for automotive use. The circuit is based on an...
Overtone Oscillator 2 (CB13122E)
In the figure we show a configuration for a crystal-controlled overtone oscillator using a...