Monostable 4047 (CB25123E)

This re-triggerable circuit was found in the April 1988 Radio Electronics magazine. Timings are given by R1 and C1.

Unregulated power supply (CB22341E)
This full wave source uses germanium diodes, and its current is a few milliamps. We found it in an...
Nicad Protected Charger (CB6396E)
This circuit is from a 1968 documentation. It makes use of thermistors (NTC) to indicate...
Small 3-Stage FM Transmitter (CB20405E)
This small transmitter has an RF amplifier stage with coupling made from the central socket of the...