Current-measuring circuit operates on Hall-effect-sensing and magnetic-field-nulling principles similar to those described in article, "Nulling Hall-Effect Current-Measuring Circuit" (LEW-15023), but simpler and responds faster. Designed without feedback loop, and analog pulse-width-modulated output indicates measured current. Circuit measures current at frequency higher than bandwidth of its Hall-effect sensor.
Faster Hall-Effect Current-Measuring Circuit
NASA Tech Briefs ; 17 , 2
1993-02-01
Miscellaneous
No indication
English
Nulling Hall-Effect Current-Measuring Circuit
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