Vector modulator
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United States of America Patent
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Nov 19, 2013
Grant Date -
Nov 22, 2012
app pub date -
Jan 31, 2011
filing date -
Feb 3, 2010
priority date (Note) -
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Abstract
Disclosed is a vector modulator. The vector modulator can control the amplitude and phase of an input signal, by not using amplitude variable attenuators but using phase shifters. Further, the vector modulator has a simple configuration and enables an input signal to be exactly modulated. Furthermore, the vector modulator can modulate the phase of an input signal throughout all areas in the polar coordinate system.
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