High linearity RF diplexer
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United States of America Patent
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Mar 28, 2017
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app pub date -
Sep 26, 2014
filing date -
Sep 26, 2013
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Abstract
A first RF diplexer, which includes a first hybrid RF coupler, a second hybrid RF coupler, a first RF filter, and a second RF filter, is disclosed. The first hybrid RF coupler has a first main port, a first in-phase port, a first quadrature-phase port, and a first isolation port, which is coupled to a primary RF antenna. The second hybrid RF coupler has a second main port, a second in-phase port, and a second quadrature-phase port. The first RF filter is coupled between the first in-phase port and the second in-phase port. The second RF filter is coupled between the first quadrature-phase port and the second quadrature-phase port.
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