Abstract: Disclosed is a multimode dual-path terminal, comprising an antenna, a first radio-frequency transceiving module which supports the receiving and transmitting of a radio-frequency signal of the first communication model, a second radio-frequency transceiving module which supports the receiving and transmitting of a radio-frequency signal of the second communication model, a first radio-frequency switch, a second radio-frequency switch, a third radio-frequency switch and a fourth radio-frequency switch, wherein the first path of a high-band transceiving path of the first radio-frequency transceiving module is connected to the antenna via the first radio-frequency switch, and the first path of a low-band transceiving path of the first radio-frequency transceiving module is connected to the antenna via the second radio-frequency switch; and a high-band transceiving path of the second radio-frequency transceiving module is connected to the antenna via the third radio-frequency switch, and a low-band transceiving p

Abstract: A multi-mode terminal includes: a power management chip, a digital baseband chip, a first radio frequency chip, a second radio frequency chip, a first card socket, a second card socket, a first clock source and a second clock source, wherein the power source management chip is connected to the digital baseband chip, the first card socket and the second card socket; the digital baseband chip is further connected to the first card socket and the second card socket, and is connected to the first radio frequency chip and the second radio frequency chip; the first clock source is connected to the first radio frequency chip; the second clock source is connected to the second radio frequency chip, a clock path is further connected between the first radio frequency chip and second radio frequency chip, and the first radio frequency chip provides an output clock to the second radio frequency chip.

Abstract: Disclosed is a multimode dual-path terminal, comprising an antenna, a first radio-frequency transceiving module which supports the receiving and transmitting of a radio-frequency signal of the first communication model, a second radio-frequency transceiving module which supports the receiving and transmitting of a radio-frequency signal of the second communication model, a first radio-frequency switch, a second radio-frequency switch, a third radio-frequency switch and a fourth radio-frequency switch, wherein the first path of a high-band transceiving path of the first radio-frequency transceiving module is connected to the antenna via the first radio-frequency switch, and the first path of a low-band transceiving path of the first radio-frequency transceiving module is connected to the antenna via the second radio-frequency switch; and a high-band transceiving path of the second radio-frequency transceiving module is connected to the antenna via the third radio-frequency switch, and a low-band transceiving p

Abstract: 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.

Abstract: A multi-mode terminal includes: a power management chip, a digital baseband chip, a first radio frequency chip, a second radio frequency chip, a first card socket, a second card socket, a first clock source and a second clock source, wherein the power source management chip is connected to the digital baseband chip, the first card socket and the second card socket; the digital baseband chip is further connected to the first card socket and the second card socket, and is connected to the first radio frequency chip and the second radio frequency chip; the first clock source is connected to the first radio frequency chip; the second clock source is connected to the second radio frequency chip, a clock path is further connected between the first radio frequency chip and second radio frequency chip, and the first radio frequency chip provides an output clock to the second radio frequency chip.

Abstract: 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.