This circuit allows you to simulate an analog telephone line for the repair and testing of devices. The circuit is from 1994 and all the components used are common.
Found in documentation from the 1980s, this converter or inverter circuit uses components from...
Found in a 70’s documentation, this circuit can operate with signals up to 10 MHz. The operational...
Indicated as a joke or challenge this circuit shows how it is possible to control two lamps using...