Method and apparatus for improving dynamic range in a communication system
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United States of America Patent
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Jan 22, 2008
Grant Date -
Sep 25, 2003
app pub date -
Nov 27, 2002
filing date -
Apr 16, 1999
priority date (Note) -
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Abstract
An apparatus for improving dynamic range includes a frequency down-conversion module that receives an input signal and a bias circuit. The bias circuit includes a first resistor and a second resistor. The first resister has a first terminal coupled to a bias point and a second terminal coupled to a first voltage reference. The second resistor has a first terminal coupled to the bias point and a second terminal coupled to a second voltage reference. The bias point is coupled to the input signal. The frequency down-conversion module outputs a down-converted output signal. The bias circuit thereby adjusts a voltage of the input signal.
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