RADIO-FREQUENCY FRONT-END CIRCUIT OF MULTIBAND TERMINAL AND MULTIBAND TERMINAL

Disclosed is a radio-frequency front-end circuit of a multi-frequency terminal, including: a radio-frequency transceiver chip, a radio-frequency amplifier chip and a radio-frequency switch, wherein all frequency bands share one transmission port in the radio-frequency transceiver chip; the radio-fre...

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Bibliographic Details
Main Authors ZHOU, Zhenglin, YUAN, Ligang
Format Patent
LanguageEnglish
French
German
Published 27.11.2019
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
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Summary:Disclosed is a radio-frequency front-end circuit of a multi-frequency terminal, including: a radio-frequency transceiver chip, a radio-frequency amplifier chip and a radio-frequency switch, wherein all frequency bands share one transmission port in the radio-frequency transceiver chip; the radio-frequency amplifier chip includes a plurality of radio-frequency amplifiers corresponding to frequency bands in which the radio-frequency transceiver chip transmits signals, and the plurality of radio-frequency amplifiers are integrated together and share a common input port; the input port of the radio-frequency amplifier chip is connected to the transmission port of the radio-frequency transceiver chip; the radio-frequency switch is connected to an output of the radio-frequency amplifier chip, and used for switching signals in different frequency bands.
Bibliography:Application Number: EP20130804972