The component used in this circuit is uncommon today, as the circuit was obtained from Motorola's Linear Databook of 1990. The circuit consists of a 5 V x 500 mA switched regulator.
This circuit was obtained from an English magazine from 1977. The magazine no longer exists, but...
Found in a 90s Radio Electronics this circuit requires precision resistors in the dividing...
This circuit consists of a pre-amplifier for high impedance microphones. The circuit uses a FET...