Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 20, 2009
Patent Application Number
12111554
Date Filed
April 29, 2008
Patent Citations Received
Patent Primary Examiner
Patent abstract
A chopper-stabilized amplifier has switching networks arranged to support a high frequency clocking signal and to provide a high common mode rejection and a high rejection of an offset component of an input signal. A magnetic field sensor includes a Hall effect element coupled to a modulation circuit. The modulation circuit provides a signal to the chopper-stabilized amplifier. The chopper-stabilized amplifier provides an output signal to a low pass filter, which provides an output signal from the magnetic field sensor.
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