Directional coupler system
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United States of America Patent
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Feb 14, 2017
Grant Date -
Oct 15, 2015
app pub date -
Apr 15, 2014
filing date -
Apr 15, 2014
priority date (Note) -
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Abstract
A circuit can include a tandem directional coupler comprising a first directional coupler and a second directional coupler connected in tandem. Each of the first and second directional couplers can have a first strip and a second strip. Port 3 of the first directional coupler can be connected to Port 1 of the second directional coupler. Port 4 of the first directional coupler can be connected to Port 2 of the second directional coupler.
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