This two-transistor regenerative switch works as an excellent trigger for SCRs and other devices that need sharp pulses. The circuit is from an old documentation.
This circuit is from the July 1973 Radio Electronics magazine. The circuit is based on the XR-205,...
This Hartley oscillator uses an audio output transformer that can be obtained from small, unused...
This circuit is intended for carrying out experiments with solar cells. The circuit is from a 1991...