Hybrid coupler device having plural transmission line structures with unwound-rewound geometry
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United States of America Patent
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Dec 15, 2015
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N/A
app pub date -
Mar 15, 2013
filing date -
Sep 27, 2012
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Abstract
The present invention is directed to a hybrid coupler device that includes a first transmission line structure and a second transmission line structure. The first transmission line structure is interdigitally coupled with the second transmission line structure such that each transmission line in the second transmission line structure is disposed adjacent to a transmission line in the first transmission line structure. The coupling or the mutual capacitance Cd between the transmission lines of the present invention need not be equal; in fact, they all can be different.
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