Raytheon Company

Rodrigo Cuba

Krishna Shivaram

Phung N Phan

Bronson Riley Edralin

A capacitive sensor and capacitive sensing method including driver device having first input configured to receive clock signal, second input configured to receive charging voltage, third input configured to receive common-mode voltage, and output; first capacitor configured to be sensed, having first terminal connected to output of driver device and second terminal; and receiver device having first input configured to receive clock signal, second input connected to second terminal of first capacitor, and third input configured to receive the common mode voltage, wherein the receiver includes a temperature-compensated analog-to-digital converter (ADC), wherein the temperature-compensated ADC includes a voltage reference generator, and wherein the voltage reference generator includes a comparator, a first p-channel Metal Oxide Semiconductor (MOS) transistor, a second p-channel MOS transistor, a third p-channel MOS transistor a first variable resistor, a second variable resistor, a third variable resistor, a fourth variable resistor, a first diode, and a second diode.

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Los Angeles, CA, United States of America

Rodrigo Cuba