Found in a 90s Radio Electronics, this circuit is intended to drive a neon lamp from a 9 V source. The positive supply is made on pins 4 and 8.
This is the typical audio amplifier for a 1967 television. We found it in a magazine from the...
This alarm is designed for doors and windows, but nothing prevents it from being used in cars,...
With a unijunction transistor and a tunnel diode it is possible to obtain rise times of 1 ns with...