This 5-tube hi-fi amplifier was found in an American publication from 1947; The output is in class B and the circuit uses a source with transformer.
The high sensitivity of this type of SCR recommended in our assemblies allows it to be triggered by low...
The circuit shown is from National Semiconductor's Linear Applications Handbook. It makes use of...
September 2016 - It can be obtained from Mouser Electronics the new integrated circuit µCC21520...