Found in a 90s documentation, this circuit triggers the SCR when there is an overvoltage in order to cause the fuse to blow quickly. The SCR can be a TIC106.
In fact, this circuit found in a 1992 documentation does not have all this power. It consists of a...
The circuit shown below was obtained from an Italian magazine Sperimentare from 1977. All...
Audio frequencies in the 300 Hz to 30 kHz range can be measured with this circuit. Transistors allow...