Mobile terminal and radio frequency front terminal thereof with radio frequency digital-to-analog conversion type linear transmitter
A mobile terminal and radio frequency front-end technology, applied in the field of radio frequency front-end, can solve the problems of losing mobile terminal price competition advantage, high production cost, large chip area, etc., to reduce the number of signal input terminals, improve market competitiveness, and improve overall performance Effect
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[0058] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments.
[0059] See Figure 4 , The present invention provides a multi-standard mobile terminal, which can cover all channels of TD-LTE (Time Division Long Term Evolution) and TD-SCDMA (Time Division Synchronous Code Division Multiple Access) communications, and perform TD-LTE and TD-SCDMA signals. Receiving processing includes a baseband processor BBIC 101, a radio frequency front-end transceiver RFIC 102, two transmitting end power amplifiers PA 103, and a radio frequency switch 104. The radio frequency switch 104 is connected to an antenna 105, wherein:
[0060] Baseband processor BBIC 101, used for data processing and storage in the mobile communication process;
[0061] The radio frequency front-end transceiver RFIC 102 is connected to the baseband proce...
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