This circuit was obtained from an American documentation from 1976. The circuit has a dynamic range of 100 kHz. FETs may be replaced by current equivalents.
The purpose of this circuit is to provide a constant current to an experimental electromagnet. The...
Suggested by Sprague in the 90's documentation, this circuit applies to AC motors. The...
This indicator with the integrated circuits CA3162E and 3161E was published in the July 1990 issue...