Found in Ferranti's 1969 documentation, this circuit can be mounted with a modern equivalent transistor. The circuit has a 4 V immunity and can be used as a shield for sensors.
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...