This CMOS circuit was obtained in a 1980s documentation. The circuit has a 10-second time delay before firing. The transistor is a general-purpose type and power supply according to the relay.
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...