DOWN CONVERTER WITH OFFSET CANCELLATION AND METHODS FOR USE THEREWITH
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United States of America Patent
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Issued Date -
May 2, 2013
app pub date -
Dec 18, 2011
filing date -
Oct 28, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A down conversion module includes a mixer operable to down convert an amplified receive signal from a low noise amplifier, based on a local oscillation, to produce a mixer output signal. A mixer load section is operable to produce a down converted signal from mixer output at an output of the mixer load section. A direct current (DC) offset cancellation module is operable to measure a DC offset at the output of the mixer load section, to generate cancellation currents and to combine the cancellation currents with the mixer output signal to provide DC offset cancellation.
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