Low noise amplifier gain controlled scheme
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United States of America Patent
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May 11, 2010
Grant Date -
Aug 20, 2009
app pub date -
Feb 19, 2008
filing date -
Feb 19, 2008
priority date (Note) -
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Abstract
An amplifier includes an amplifier module coupled to an input node, and an attenuating module. The attenuating module includes an attenuation resistor coupled to the input node, and an impedance compensation module coupled to the input node. The impedance compensation module compensates an input impedance when an input RF signal is attenuated by the attenuating module.
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