We found this circuit in the April 1996 issue of Electronics Now magazine. The circuit uses a symmetrical source and is part of an instrumentation project.
We found this circuit in an American documentation from the 90s. Through an LED it indicates the...
Suggested by General Electric in a 1970 document, this circuit uses a LASCR, or SCR fired by...
This circuit is intended to monitor the flame of gas heating systems that must always have a small...