Digital transponder with real signal channelizer and synthesizer
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United States of America Patent
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Dec 13, 2011
Grant Date -
May 6, 2010
app pub date -
Nov 6, 2008
filing date -
Nov 6, 2008
priority date (Note) -
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Abstract
M channelized digital signals comprising M pairs of channelized digital signals, each pair of channelized digital signals comprising a primary channelized digital signal and a secondary channelized digital signal, the secondary channelized digital signal being an image of the primary channelized digital signal; (c) a switch matrix and signal construction module configured to generate a plurality of intermediate signals from only the primary channelized digital signals, the plurality of intermediate signals comprising pairs of intermediate signals, each pair comprising a primary intermediate signal and a secondary intermediate signal, the secondary intermediate signal being an image of the primary intermediate signal; (d) at least one synthesizer, the at least one synthesizer configured to combine at least one pair of intermediate signals to generate a real digital output signal; and (e) at least one digital to analog converter, the at least one digital to analog converter configured to convert the real digital output signal to an analog output signal.
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