Quadrature demodulator and wireless receiver

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United States of America Patent

PATENT NO 9954627
SERIAL NO

15212706

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Abstract

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A quadrature demodulator includes a quadrature demodulating circuit configured to generate an analog in-phase signal and an analog quadrature signal based on an output signal of a low noise amplifier, and a controller configured to cause a thermal noise, instead of the output signal of the low noise amplifier, to be input to the quadrature demodulating circuit, when a correction parameter to correct a mismatch between the in-phase and quadrature signals is being calibrated.

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Patent Owner(s)

Patent OwnerAddress
KABUSHIKI KAISHA TOSHIBAMINATO-KU TOKYO 105-0023

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hagiwara, Yousuke Kanagawa, JP 15 40
Mitomo, Toshiya Kanagawa, JP 43 148
Yamagishi, Toshiyuki Tokyo, JP 41 428

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