Paraphase amplifier (T389E)

This 6C5 tube circuit was found in a modern tube design manual. The circuit applies to other equivalent triodes.

3W Power Wireless 3 W IQ Compatible (COM058E)
August 2016 - It can be obtained from Mouser Electronics new wireless 3W transmitters from RTD to...
20W Transistor Amplifie (CB1368E )
In this project, from a Japanese magazine of 1973, only one channel of a stereo amplifier of 20 W...
Logaritmic Amplifier (CB3931E)
We found this circuit in an old 1980s documentation. The circuit can be implemented with modern...