Suggested by Sprague in the 1980s documentation, this circuit can control three-phase AC motors. The original documentation does not specify the maximum motor current.
For triggering high-powered loads connected to the power grid, nothing better than using TRIACs. For...
Found in the April 1980 issue of Radio Electronics magazine, this stage uses transistors from the...
This basic voltmeter circuit has an input resistance of 2 M. The instrument is 100 uA and the...