Transistor breakdown (CB21393E)

This inverse transistor breakdown circuit was found in a 1967 documentation. It applies to modern components.

Instrumentation amplifier (CB7031E)
Found in Datel's documentation from the 1980s, this circuit makes use of the company's operational...
Passive Bass and Treble Control (CB25826E)
We found this passive circuit in the February 1995 Electronics Now magazine. The circuit is...
200 Megohms Operational (CB13584E)
This circuit was obtained in a 1977 documentation. Two operational amplifiers 741 provide an input...