Multiplexer, radio frequency front-end circuit, communication device, and multiplexer design method
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United States of America Patent
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May 22, 2018
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app pub date -
Jul 12, 2017
filing date -
Jul 13, 2016
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Abstract
A multiplexer includes a n number (n is an integer equal to three or more) of filters that are individually provided in the n number of paths commonly connected at a common junction point, and that have different pass bands from one another. In the multiplexer, (n−1) filters among the n number of filters except for the first filter have impedances of which imaginary components cancel each other at a pass band frequency of the first filter when viewed from the common junction point in a state of the n number of paths being not commonly connected.
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