SCR Steady Hand (CB22098E)

This “test your nerves” game was found in old documentation. The SCR can be of any sensitive type, for example series 106.

Bridge Null Indicator (CB24010E)
We found this circuit in the February 1970 Radio Electronics magazine. It can be used in an analog...
Amplitude Modulated RF Amplifier (CB15007E)
This circuit was found in a Poptronics of the 90's. The FET is double-gate, and the frequency...
Two Controls Flasher (CB16241E)
This flasher of two incandescent lamps was discovered in a 1983 documentation and it has two...