Common Emitter Stage (CB25635E)

This general-purpose transistor amplifier stage was found in the November 1993 issue of Electronics Now magazine. Biasing is done by voltage divider.

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...