This circuit was obtained from a 1967 General Electric manual. The circuit makes use of absolutely current components. Similar versions from other sources can be found in this section.
Found in an American documentation from 1968, this circuit uses transistors from the time. The...
This circuit is based on an LM123 and can supply output currents up to 3A. IB is typically 3.5A...
This experimental radio was obtained in an old Argentine publication. Germanium transistors are...