Simple 1-tube receiver (T960E)

This 1V heater tube circuit was found on a Radio Craft from 1945. The circuit is for medium wave and can be used as a tuner.

Coil and Capacitor Test (CB13317E)
With the help of a signal generator, this circuit makes it possible to test inductors and...
Operational Basic Servomotor (CB19499E)
This is the basic circuit of a servomotor found in a manual of linear integrated circuits from the...
Benchtop Amplifier (CB17677E)
The circuit presented was found in a 2009 publication, and is based on the TDA1515 integrated...