This high sensitivity sensor was found in a 1967 General Electric SCR manual. The circuit admits equivalents by triggering a load according to the used SCR.
We found this circuit in the June 1992 issue of Radio Electronics magazine. The sensor is a common...
ON Semiconductor AMIS−3910XGEVB Evaluation Board demonstrates the features and capabilities of the...
This circuit has its frequency controlled by a 1MHz crystal. The circuit can be powered by...