The purpose of this circuit found in a 1967 GE SCR manual is to control a heating element. The SCR must have current according to the controlled load.
This circuit was found in Electronics Today International of the 80's. The circuit uses still...
Found in an Electronic Design, this circuit is intended to produce signals in the VHF band. The...
This circuit uses a not easy to find IC these days. The circuit sources 15 W to a 4 ohm load and...