Radio receiver and radio signal processing method with controlling gain
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United States of America Patent
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Jul 17, 2007
Grant Date -
Jan 13, 2005
app pub date -
Apr 7, 2004
filing date -
Apr 25, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A radio receiver comprises a first amplifier to amplify a received radio signal; a quadrature demodulator to demodulate the radio signal amplified by said first amplifier and thereby generate a baseband signal; a second amplifier to amplify the baseband signal; a demodulator to demodulate the baseband signal amplified by said second amplifier; and a gain controller to control timing of a change in a gain of said second amplifier, in case that changing the gain of said first amplifier and the gain of said second amplifier, on the basis of a gain of said first amplifier before and after the change.
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