QUADPLEXER

A quadplexer includes a duplexer circuit including a first duplexer configured to separate transfer paths of a transmission signal and a reception signal of a first frequency band respectively transmitted and received through a first signal line connected to a single antenna from each other, and, a...

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Bibliographic Details
Main Author CHEON Seong Jong
Format Patent
LanguageEnglish
Published 15.06.2017
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
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Summary:A quadplexer includes a duplexer circuit including a first duplexer configured to separate transfer paths of a transmission signal and a reception signal of a first frequency band respectively transmitted and received through a first signal line connected to a single antenna from each other, and, a second duplexer configured to separate transfer paths of a transmission signal and a reception signal of a second frequency band transmitted and received through a second signal line connected to the single antenna from each other; and, an impedance matcher disposed between the single antenna and the duplexer, and configured to change an impedance of at least one of: signal transmitting and receiving ends of the first duplexer and signal transmitting and receiving ends of the second duplexer by the impedance matching between the single antenna and at least one of the first signal line and the second signal line.
Bibliography:Application Number: US201615264953