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 old circuit from a documentation from the 70s disconnects a TV from a signal obtained on the...
This traditional complementary symmetry circuit provides 20 W of rms power at a load of 8 ohms...
Using a CA3130 and a power transistor, this circuit can deliver a current of up to 500 mA with the...