This is a diagram of a 1970s reel or tape recorder. It is an Italian Geloso recorder, quite popular at the time. The circuit is a reference for equipment recovery.
May 2017 - Qorvo QPL9065 low-noise amplifiers can be purchased from Mouser Electronics for a...
This circuit shows how an inductive capacitance can be used to reduce the voltage of Power supply...
This small inverter came out in an Argentine magazine from the 1970s. It can also be assembled with...