This circuit was found in a 90s EDN. Its purpose is to increase the efficiency of operational amplifiers. Power MOSFETs and inverted zeners support equivalents.
This amplifier was found in a Maxim documentation from the 90's. The circuit is an inverter type with...
This circuit works with practically any tunnel diode, transmitting signals in the FM range with a...
This circuit is suggested by National Semiconductor in its 1994 Linear Applications Handbook. The...