Method and apparatus for RF signal 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 radio frequency (RF) receiver is provided, comprising an antenna, a low noise amplifier, a down converter, a first analog to digital converter (ADC), a second ADC, a digital up converter. The antenna receives an RF signal, and the LNA coupled to the antenna amplifies the RF signal. The down converter, coupled to the LNA, down converts the RF signal to generate an in-phase baseband signal and a quadrature baseband signal. The first ADC, coupled to the down converter, digitizes the in-phase baseband signal to an in-phase digital signal. The second ADC, coupled to the down converter, digitizes the quadrature baseband signal to a quadrature digital signal. The digital up converter, coupled to the first and second ADCs, up converts the in-phase digital signal and quadrature digital signal to generate an intermediate frequency (IF) signal.
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