Radio-Frequency Front-End Circuit Of Multiband Terminal And Multiband Terminal

摘要

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.

主权项

1. A radio-frequency front-end circuit of a multi-frequency terminal, comprising a radio-frequency transceiver chip, a radio-frequency amplifier chip and a radio-frequency switch, wherein:
in the radio-frequency transceiver chip, all frequency bands share one transmission port; the radio-frequency amplifier chip comprises a plurality of radio-frequency amplifiers respectively corresponding to a plurality of frequency bands in which the radio-frequency transceiver chip transmits signals, the plurality of radio-frequency amplifiers are integrated together and share one input port; the input port of the radio-frequency amplifier chip is connected to a transmission port of the radio-frequency transceiver chip; the radio-frequency switch is connected to an output of the radio-frequency amplifier chip, and is configured to switch signals in different frequency bands.