GENERATING A MODULATED SIGNAL FOR A TRANSMITTER
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United States of America Patent
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Issued Date -
Oct 4, 2012
app pub date -
Mar 31, 2011
filing date -
Mar 31, 2011
priority date (Note) -
Abandoned
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Abstract
A technique includes generating an angle modulated square wave signal and progressively filtering the angle modulated square wave signal in a transmitter using a plurality of low pass filters to produce a modulated sinusoidal signal to drive an antenna. The technique includes programming the transmitter to tune a corner frequency of the filtering to a frequency within a range of frequencies selectable using the programming, based on a carrier frequency associated with the modulated sinusoidal signal.
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