This stereo circuit is from Japanese 1960 documentation. The circuit was originally designed to work with a tube amplifier, removing power from it. The transistors are germanium.
This circuit is ideal for creating a source that allows the use of automotive power devices on a...
Found in old documentation, this oscillator operates with high voltage. The diode must be of the...
This circuit was obtained in an English publication from 1993, but it can still be assembled with...