ALL-PASS WIDEBAND PHASE SHIFTER AND OPERATING METHOD THEREOF
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United States of America Patent
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Issued Date -
Jul 13, 2017
app pub date -
Jan 11, 2016
filing date -
Jan 11, 2016
priority date (Note) -
Abandoned
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Abstract
An all-pass wideband phase shifter is introduced. Series connections in parallel between two 3 dB hybrid couplers include combining two 90-degree phase shifters and two attenuators to form a novel phase shifter framework. Under specific controls of continuous 90-degree phase shifters and attenuators in four quadrants, 360-degree all-pass phase shifting is effected by phase shifting and vector composition.
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