REPEATER INTERFACE UNIT AND SIGNAL CONVERTING METHOD THEREOF
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United States of America Patent
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Issued Date -
Sep 9, 2010
app pub date -
Apr 18, 2007
filing date -
Apr 18, 2006
priority date (Note) -
Abandoned
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Abstract
A repeater interface unit for a TX path includes a first reference signal generator for generating a reference signal for an intermediate band conversion; a first mixer for mixing an input signal with the reference signal to generate an intermediate band signal; a second reference signal generator for generating a reference signal for output conversion with one of a plurality of frequencies; a second PLL circuit for stabilizing the reference signal for output conversion; a second mixer for mixing the intermediate band signal generated by the second mixer with the reference signal for output conversion to generate an output signal; and a second filtering means for filtering the output signal of the second mixer.
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