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Mobile terminal and antenna matching method thereof

A technology for antenna matching and mobile terminals, applied in the structure of telephone sets, the structure of radiation elements, electrical components, etc., can solve the problems of increasing labor costs and increasing the difficulty of material control, so as to reduce the difficulty of control, shorten the development time and develop cost, effect of ensuring consistency

Active Publication Date: 2014-06-25
日照市立盈机械制造有限公司
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Problems solved by technology

This requires re-investment in research and development, which increases labor costs and increases the difficulty of material control

Method used

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  • Mobile terminal and antenna matching method thereof
  • Mobile terminal and antenna matching method thereof
  • Mobile terminal and antenna matching method thereof

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Embodiment Construction

[0023] In order to make the object, technical solution and advantages of the present invention more clear and definite, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0024] Antennas are complex devices, and the antenna embedded in the mobile terminal is no exception. Since the RF transceiver of the mobile terminal is designed for 50 ohm impedance, it is best for the antenna to present 50 ohm impedance in the entire frequency band. But in fact, this is difficult to do, because mobile terminal antennas are inherently characterized by narrow antenna bandwidth, poor matching, and low radiation efficiency. Therefore, an efficient matching circuit is established between the radio frequency transceiver and the antenna, so that the radiation bandwidth and ra...

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Abstract

The invention relates to the field of mobile communication and discloses a mobile terminal and an antenna matching method thereof. In the invention, an antenna matching circuit is positioned on a mobile phone antenna, and the antenna matching circuit and the mobile phone antenna are integrally designed, so that the antenna can achieve the effect that the impedance of an effective frequency channel is approximate to 50 ohms at a feedback point connected with a circuit board of the mobile terminal. The mobile terminal and the antenna matching method thereof provided by the invention have the advantage of changing the condition that the traditional matching circuit is arranged on the circuit board of the mobile terminal and that new circuits are required to be designed to match the antenna of each frequency channel. Thus, the consistency of the batch production of the antenna and the matching circuit is well guaranteed, the development speed and cost of the circuit board of the mobile terminal can be shortened, and the management and control difficulties of the circuit board material are reduced.

Description

technical field [0001] The present invention relates to the field of mobile communication, in particular to a mobile terminal and an antenna matching method thereof. Background technique [0002] With the advancement of personal communication and mobile communication technologies, in order to meet market demands, mobile terminals are becoming more and more miniaturized and multi-antenna-oriented. Today's mobile terminals not only have antennas that support cellular frequencies, but also various antennas that support a series of frequencies such as mobile TV, Bluetooth, WLAN, and GPS. Various antennas need to coexist reasonably and ensure their performance. Moreover, the performance of the antenna is often degraded because various application functions of the mobile terminal, such as cameras and speakers, occupy its effective space. These all put forward higher and higher requirements on the antenna design of the mobile terminal. [0003] Antennas are complex devices, and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B1/40H04M1/02H01Q1/38
Inventor 顾娴瑾
Owner 日照市立盈机械制造有限公司
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