This 80's circuit uses a germanium transistor like the AC121. The circuit has an output transformer of the type found on many transistor radios of the time.
The gain of the Operational Amplifier in the figure is given by the ratio between R1 and R2. In...
Suitable for recovering tape recorded media from a common tape player mechanism, this circuit is...
Ohmite TGHD non Inductive High Power Resistors Available in SOT-227 enclosures, these Ohmite...