Spread spectrum demodulation using a subsampling communication receiver architecture
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United States of America Patent
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Apr 8, 2008
Grant Date -
Nov 21, 2002
app pub date -
Apr 25, 2002
filing date -
Apr 25, 2001
priority date (Note) -
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Abstract
A first periodic voltage waveform (20) is downconverted into a second periodic voltage waveform (35, 36). A plurality of temporally distinct samples (SA1, SA2, . . . ) respectively indicative of areas under corresponding fractional cycles of the first voltage waveform are obtained. The samples are obtained in response to a control signal indicative of a code used to produce the first voltage waveform, and the samples are combined to produce the second voltage waveform.
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