This class B circuit was found in the 1960 Mullard transistor reference manual. Transformers are the critical components. The source is not symmetric.
This circuit was found in a 1995 documentation. It deactivates a power supply in the event of a...
Operatives used in this 80's configuration are not common today, but it is valid for modern...
Used in satellite TV receptions in the 1980s, this circuit was found in the March 1980 issue of...