PWM-Type Amorphous Wire CMOS IC Magneto-Impedance Sensor Having High-Temperature Stability

Abstract

The authors have presented a pulse frequency modulation (PFM) amorphous wire CMOS IC magneto-impedance (MI) sensor for the purpose of omitting the A/D converter in the electronic compass for mobile phone application by counting the output square wave voltage width with the number of timing pulses of the microprocessor. Elimination of A/D converters is… (More)

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