These 6 to 12 V source with current up to 100 mA was found in Radio Electronics magazine from June 19666. The source has a current indicator and uses transistors of the time.
Found in an American documentation from the 90s, this circuit has a configuration that has been...
With only one integrated circuit and few additional components, this amplifier has an output power...
This circuit was found in a 1986 documentation and it may be difficult to obtain some of its...