Originally created to power an 80's RTTY printer, this circuit can be used in other applications. The circuit is from an Amateur radio of the time.
This circuit was obtained from old documentation and has a very simple 6 or 12 V configuration...
This circuit should be used with low frequency signals only. The circuit is from a documentation from the...
Found in a 1967 General Electric SCR manual, this circuit triggers in case of excess current,...