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2 votes
0 answers
30 views

Window current detection through a current sense differential amplifier and a comparator

I'd like to implement a circuit to detect the over-current through a grounded load. The limits for that current are either 3mA DC current or -3mA and 3mA in case of bipolar AC current. I want to ...
neusp's user avatar
  • 97
0 votes
1 answer
420 views

LTspice simulation of a fluxgate excitation circuit with H bridge driver, Op-Amp and comparator not behaving as expected

Please see the following LTspice schematic: This is an excitation circuit for a fluxgate current sensor. The inductor L1 models the magnetic core's B-H loop and dimension along with a sensing winding ...
Zhi's user avatar
  • 93