This circuit was obtained in a 1967 General Electric manual. The circuit applies to other triacs. The other components are common today. The load is inductive.
This circuit is from a 1995 publication; The current is obtained by dividing 1.25 by R1. The...
We found this circuit in an old American publication. It is possible to test common FETs using a...
This circuit was obtained in a 90s documentation from Analog Devices. The sensitivity is in the...