This simple circuit is intended to test the zener test. RV1 can be calibrated in terms of voltage. The maximum voltage of the tested zener is that used in the circuit supply.
This 6-transistor commercial radio was manufactured in Japan in the 1960s, intended to receive...
This is a conventional digital clock with TTL technology using common cathode displays. The...
This source, obtained in a 1973 publication, uses a low power transistor to regulate the output...