This 4-tube amplifier with 6W of output was found in an American manual from 1947. The sound quality is excellent.
This circuit is from a 1997 English magazine, but it is very current due to the components it...
July 2017 - Diodes Incorporated's ultra low voltage drop voltage (ULDO) AP7380 regulators can now...
This oscillator can be controlled by digital or binary signals from another digital circuit or...