One-transistor oscillator (CB22064E)

Capacitors C2, C3 and C4 determine the frequency of this simple oscillator. Transistor can be general purpose equivalent.

Emergency Signal (CB13168E)
This circuit was found in an old American publication from the 70s. It flashes a warning lamp,...
8W Amplifier (CB23635E)
This amplifier was published in Radio Electronics magazine in September 1959. The 8-transistor circuit...
DDR4 Sockets MiniDIMM
April 2017 - Already obtained at Mouser Electronicsthe new Molex miniDImm sockets according to...