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 symmetrical configuration uses two operational amplifiers to obtain the rectification of a...
This circuit was obtained from a Hands On-Electronics, an American magazine from January 1987. This...
This mixer was found in Silicon Chip documentation from the 90's. The circuit uses integrated...