This filter for scratched disc noise was found in an English documentation from 1989. The integrated circuits used are still common today.
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...