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Radio frequency amplifier module and amplification method thereof

A technology of radio frequency amplification and amplifier, which is applied in the field of radio frequency amplification module and its amplification, can solve the problems of inability to meet the requirements of TD-LTE base station system performance, low efficiency of radio frequency amplification module, etc., and achieve good linearity, high amplification efficiency, good The effect of applying the foreground

Pending Publication Date: 2017-08-25
SHENZHEN GRENTECH CORP LTD
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AI Technical Summary

Problems solved by technology

The existing RF amplifier modules are inefficient and cannot meet the performance requirements of the TD-LTE base station system

Method used

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  • Radio frequency amplifier module and amplification method thereof
  • Radio frequency amplifier module and amplification method thereof
  • Radio frequency amplifier module and amplification method thereof

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Embodiment Construction

[0042] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0043] refer to figure 1 , a radio frequency amplifying module provided by the present invention includes a downlink amplifying unit, an uplink amplifying unit, and a radio frequency switch 80 connected between the downlink amplifying unit and the uplink amplifying unit. The downlink amplifying unit has the characteristics of high efficiency, high linearity, and precise control performance. The downlink amplifying unit includes a radio frequency amplifier circuit 10 for performing power amplification processing on the radio frequency signal input in the downlink and outputting it, and an auxiliary device for detecting the input power, forward output power and reverse output power of the radio frequency amplifier circuit 10. Circuit 50. The uplink amplifying unit includes a low noise amplifying circuit 90 for performing low noise amplifying processing ...

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Abstract

The invention relates to a radio frequency amplifier module and an amplification method thereof. The radio frequency amplifier module comprises a downlink amplifier unit, an uplink amplifier unit and a radio frequency switch connected between the downlink amplifier unit and the uplink amplifier unit. The downlink amplifier unit comprises a radio frequency amplifier circuit which is used for carrying out power amplification processing on a radio frequency signal input by a downlink and outputting the processed signal, and an auxiliary circuit which is used for detecting input power, positive output power and negative output power of the radio frequency amplifier circuit. The uplink amplifier unit comprises a low-noise amplifier circuit which is used for carrying out low-noise amplification processing on the radio frequency signal input by an uplink and outputting the processed signal. According to the module and the method, the amplification efficiency is high, the good linearity is achieved, a performance index demand of a TD-LTE (Time Division Long Term Evolution) base station system can be satisfied, and the module and the method have relatively good application prospect.

Description

[0001] 【Technical field】 [0002] The invention relates to power amplification technology, in particular to a radio frequency amplification module in a TD-LTE system and an amplification method thereof. [0003] 【Background technique】 [0004] With the rapid development of mobile communications, the requirements for network construction are getting higher and higher. In order to better meet the needs of users for high-speed services, network operators such as China Mobile and industry departments continue to increase the construction of TD-LTE (Time Division Long Term Evolution, Time Division Long Term Evolution) networks. Among them, TD-LTE base station technology plays an important role in network construction. The base station, that is, the public mobile communication base station, is a form of radio station, which refers to a radio transceiver station that transmits information between mobile phone terminals through a mobile communication switching center in a certain radi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B1/04H04B1/00H03F1/02H03F1/26H03F1/32H03F3/19H03F3/21
CPCH03F1/02H03F1/26H03F1/32H03F3/19H03F3/21H04B1/00H04B1/04
Inventor 李勇军
Owner SHENZHEN GRENTECH CORP LTD
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