This circuit is from a 1964 Electronic Design book that presents application ideas for transistors. The circuit uses a transistor from that time, but modern equivalents can be used.
This circuit was found in American documentation from 1966. It uses a hall effect sensor at the...
This circuit serves as an audio output for AM or even FM radios and was found in a Radio...
This is a high side smart current monitor circuit. The circuit is from a 2005 Linear Technology...