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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Geiger counter (CB11483E)
This is a very simple atomic radiation detector circuit using a Geiger-Muller tube. The circuit was...
Power supply using a Transistor as Rectifier (CB12851E)
This power source, obtained in a 1973 publication, suggests the use of partially burned germanium...
Temperature sensor with frequency output (CB25386E)
Using a V/F converter this circuit was found in the June 1991 issue of Radio Electronics magazine. The...