Balance differential receiver
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United States of America Patent
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-
Sep 29, 1998
Grant Date -
N/A
app pub date -
Sep 24, 1996
filing date -
Sep 24, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A quadrant detector circuit (400) has a comparator (442) having a pair of inputs (438, 440). A first (438) of the pair of inputs (438, 440) is coupled to an in-phase signal (434) and a second (440) of the pair of inputs (438, 440) is coupled to a quadrature phase signal (436). A sample counter (448) has a reset (446) coupled to an output (444) of the comparator (442). A controllable switch (456) has a selection input (454) coupled to an output (452) of the sample counter (448). The controllable switch (456) is capable of switching between a local oscillator signal (458) and an inverse local oscillator signal (460).
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