Frequency converter and receiver that uses the frequency converter
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United States of America Patent
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Aug 26, 2014
Grant Date -
Apr 25, 2013
app pub date -
Apr 18, 2011
filing date -
Jun 29, 2010
priority date (Note) -
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Abstract
The present invention is applied to a frequency converter used for a receiver. The frequency converter according to the present invention includes an LO signal generator (11) that generates an LO signal and outputs the LO signal; and a mixer (10) that multiplies a received signal that has been band-limited in a usable bandwidth of said receiver by the LO signal so as to convert the frequency of the received signal and outputs the resultant signal, wherein said LO signal generator is capable of varying a phase resolution, and said frequency converter is capable of varying a signal gain for each phase value of the LO signal.
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