Bias circuit for BJT amplifier
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United States of America Patent
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Mar 18, 2008
Grant Date -
May 3, 2007
app pub date -
Oct 17, 2005
filing date -
Oct 17, 2005
priority date (Note) -
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Abstract
The embodiments of the present invention include a bias circuit for a power-amplifying device, which receives and amplifies an input RF signal having a series of RF cycles within a modulation envelop. The bias circuit compensates odd-order distortion processes by detecting the power in the input signal and providing a dynamic adjustment to a bias stimulus for the power-amplifying device within a time scale of the modulation envelope.
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