This timer circuit was found in a 1980s American documentation. Transistors and SCR support modern equivalents. The circuit was originally designed to control a motor.
We found this circuit in an English publication from 1969. The circuit uses transistors from the...
This circuit was found in a 1968s American. Transistors are of general purpose and the input is a...
This transistor amplifier does not use a source with a transformer being fed directly by the power...