Monostable (CB25117E)

The circuit used is the 4093 configured as an inverter in this application from Radio Electronics from April 1988. The capacitor can be changed.

Gain 1000 Sample and Hold (CB5960E)
This 80's circuit has been winning. It is a 1 000 gain sample and hold circuit and an offset...
Instrumentation Amplifier (CB4230E)
The purpose of this 1-transistor amplifier is to allow the use of a milliammeter in an application...
20 kHz ring counter (CB6138E)
We found this circuit in an old General Electric documentation. In fact, PUTs are not common...