This circuit is from the Motorola LinearDatabook of 1990. It shows how it uses the LF355, 356 and 357 operational capacitive loads. The power supply must be dual.
This circuit was obtained in a 1990 English magazine. The circuit can be assembled with equivalent power...
Varactor diodes are our varicaps of today. This circuit for switching signals in an RF circuit was found...
This basic circuit was found in RCA / GE documentation from the 90s. In it we have the way to...