Performing image rejection on bandpass signals

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United States of America Patent

PATENT NO 9036740
APP PUB NO 20140376651A1
SERIAL NO

13921375

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Abstract

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An image rejection (IR) circuit is configured to receive a complex signal from a radio frequency (RF) mixer, where the complex signal includes an in-phase signal portion and a quadrature signal portion. This IR circuit may include: an in-phase path to remove first mismatch information from the in-phase signal portion and associated with at least one in-phase multi-tap filter; a quadrature path to remove second mismatch information from the quadrature signal portion and associated with at least one quadrature multi-tap filter; and a correlation unit to independently update each of the multiple taps of the in-phase multi-tap filter and the quadrature multi-tap filter according to a priority scheme.

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Patent Owner(s)

Patent OwnerAddress
SILICON LABORATORIES INC400 W CESAR CHAVEZ AUSTIN TX 78701

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Khoury, John Austin, US 27 224
Zhou, Yan Austin, US 2120 9767

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