Method and apparatus for demodulation
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United States of America Patent
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Issued Date -
Dec 14, 2006
app pub date -
Jun 13, 2006
filing date -
Jun 13, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A demodulation method and apparatus are provided. An RF signal is down converted to generate a first in-phase signal and a first quadrature signal of a first frequency. Limiting amplification is performed on the first in-phase signal and the first quadrature signal to generate a second in-phase signal and a second quadrature signal. The frequency of the second in-phase and quadrature signals are up converted to a third in-phase signal and a quadrature signal of a second frequency. The third in-phase and quadrature signals are up converted to generate an intermediate frequency (IF) signal of a third frequency.
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