Direct downconversion receiver
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United States of America Patent
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Jun 1, 2004
Grant Date -
Mar 4, 2004
app pub date -
Aug 29, 2002
filing date -
Aug 29, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A direct downconversion receiver combines a received RF signal and a local oscillator (LO) signal to form a combined signal. The local oscillator signal is also phase-shifted by approximately 90 degrees to form a quadrature signal. A mixer forms the product of the combined signal and the quadrature signal to produce a baseband output signal.
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