Apparatus for minimizing amplifier oscillation in an antenna system
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United States of America Patent
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Apr 2, 2013
Grant Date -
Jan 19, 2012
app pub date -
Jul 15, 2010
filing date -
Jul 15, 2010
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Abstract
Embodiments of an apparatus for minimizing oscillation of an amplifier in an antenna system are provided. These embodiments can comprise passive circuitry in the form of a coupling simulator that includes passive elements selected and combined to generate an output with properties that can cancel or substantially reduce a coupled input as between two antennas in the antenna system. In one example, the coupling simulator may include a phase-shifting device and an attenuating device, each of which have properties with values selected based on parameters that result from the relationship between the antennas of the antenna system.
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