Found in American documentation from the 1970s, this circuit can be designed based on a modern SCR, such as the TIC106. The SCR must be provided with a heat sink.
This watch uses a liquid crystal display. The circuit is from the 80s and the module used is...
We found this circuit for an anti-theft radar that operates at 400 MHz in a Radio Electronics from...
This circuit is from 1995 documentation. Integrated circuits are used which can still be found...