Carrier aggregation circuit

A carrier aggregation circuit includes a signal input terminal, a signal output terminal, a first filter, a first output transform circuit, a second filter, and a second output transform circuit. The signal input terminal receives a radio frequency signal. The radio frequency signal has a first carr...

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Bibliographic Details
Main Authors DENG, WEI-KUNG, CHIANG, CHIH-MIN
Format Patent
LanguageChinese
English
Published 16.05.2019
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:A carrier aggregation circuit includes a signal input terminal, a signal output terminal, a first filter, a first output transform circuit, a second filter, and a second output transform circuit. The signal input terminal receives a radio frequency signal. The radio frequency signal has a first carrier having a first carrier frequency and a second carrier having a second carrier frequency. The first filter and the second filter are coupled between the signal input terminal and the signal output terminal respectively, and can respectively filter signals with frequencies other than the first carrier frequency and the second carrier frequency. The first output transform circuit is coupled between the first filter and the signal output terminal, and has an effective output impedance equivalent to an open circuit at the second carrier frequency. The second output transform circuit is coupled between the second filter and the signal output terminal, and has an effective output impedance equivalent to an open circui
Bibliography:Application Number: TW20176139297