High gain radio (CB21922E)

This simple 1 transistor radio was found in Raytheon's transistor manual. The transistor is germanium from the 60s.

Stabilized Colpitts Oscillator (CB22395E)
This Colpitts oscillator with JFET has the amplitude of the signals stabilized by a diode. The...
Random Pulse Generator (CB12642E)
This circuit can be used with the CIR12642E TTL Roulette, or other game circuits that must draw...
Overvoltage and Undervoltage Relay (CB17023E)
This conventional window detector circuit was found in a 1995 documentation. The trigger points, that...