We found this test circuit in a March 1967 Radio Electronics. The circuit uses a zener-regulated supply and analog indicator.
This circuit was found in an old American publication from the 70s. It flashes a warning lamp,...
This amplifier was published in Radio Electronics magazine in September 1959. The 8-transistor circuit...
April 2017 - Already obtained at Mouser Electronicsthe new Molex miniDImm sockets according to...