This circuit can be used with receivers to attenuate signals that may cause interference. The circuit is a 70s documentation for amateurs.
This circuit is from a 1977 documentation. It is powered by the power supply of the circuit under...
This circuit is from the 1990 Motorola Linear Databook. The integrated circuit used is the LF355,...
This interesting FET-tester circuit was obtained from an old American documentation. The bipolar...