This circuit switches on an external load after a certain interval given by the capacitor. The circuit is from a documentation from the 80s. The load depends on the relay used.
This circuit can be used with receivers to attenuate signals that may cause interference. The...
This tunnel diode circuit was found in American documentation from 1966. The tunnel diode is the...
Published in 1988 in Hands-On Electronics, this circuit converts the 12 V of a battery into 120 V...