This circuit uses a feedback integrator. We found it in Ferranti's transistor manual from 1974. Transistors are general-purpose types at the time.
The flashing LEDs in this circuit simulate a working alarm and can serve as a deterrent to a...
This oscillator or clock generator generates rectangular signals and frequencies up to 100 kHz....
The critical component of this project from a 1988 publication is the transformer. The final power...