Found in a 90s Electronic Design, this circuit produces adjustable pulses that start after an adjustable interval. The circuit can be implemented with modern equivalent components.
This powerful source was obtained in an American documentation of the 80s. Some components are...
This simple transistor tester was found in a Japanese magazine in 1967. It tests general purpose...
This transistorized astable for LEDs was found in the January 1992 issue of Radio Electronics...