This circuit was found in Motorola documentation from 1968, using high power transistors and operated at 580 Hz. The circuit employs a special transformer.
This circuit can be implemented with other operational amplifiers. The formulas for calculating the...
This circuit is from a 1953 publication, consisting of an AM radio with 3 germanium transistors that,...
The sensor of this circuit is a common silicon diode and it directly drives a small cooler with a...