This circuit was obtained from a 1967 General Electric documentation. The circuit makes use of unusual SUS today. Other steps can be added to the circuit.
This is a commercial circuit of a transistor amplifier of some watts with the OC30 transistor. The 12 V...
With this circuit it is possible to excite direct current relays from an alternating signal,...
The reference source for this circuit is a 1968’s Motorola publication. The circuit can be...