Temperature dependent timer circuit

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United States of America Patent

PATENT NO 8981857
SERIAL NO

13678117

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Abstract

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A timer to provide pulses at a comparator output wherein a frequency of the pulses is dependent on temperature, wherein providing each pulse includes biasing a first input of the comparator at a voltage and operating a transistor in a subthreshold region of operation to change the voltage of the first input of a comparator at a rate dependent upon temperature. The output of the comparator changes state when the voltage of the first input crosses a voltage of a second input of the comparator.

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Patent Owner(s)

  • NXP USA, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Berens, Michael T Austin, US 19 186
McQuirk, Dale J Austin, US 15 145
Nagda, Miten H Austin, US 10 73

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