This circuit was featured in the March 1972 issue of Radio Electronics magazine. It adds automatic gain control to turntables by acting directly on the cartridge signal.
Using germanium transistors, this amplifier provides a 540mW output power when powered by 9V. We...
This Power supply is intended to Power small loads with currents up to 30 mA. The voltage depends...
This circuit was found in the August 1970 issue of Radio Electronics magazine. It employs RCA's...