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Communication transceiver

A transceiver and receiving filter technology, applied in the field of communication, can solve the problem of narrow use range

Inactive Publication Date: 2015-11-04
CHENGDU ZHONGWEI ELECTRONICS MICROWAVE TECH
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Problems solved by technology

[0003] However, the existing adjustment method can only ensure that only one frequency band can be used at the same time, so the range of use is relatively narrow

Method used

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  • Communication transceiver

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Embodiment Construction

[0013] By providing a communication transceiver, the present invention solves the problem that the communication transceiver in the prior art can only ensure that only one frequency band can be used at the same time, so the range of use is relatively narrow, and then realizes the ability to use two frequency bands at the same time The technical effect of sending and receiving at the same time.

[0014] In order to solve the technical problem in the above-mentioned prior art that the communication transceiver can only be used in one frequency band at the same time, therefore, the range of use is relatively narrow, the above-mentioned technical solution will be described in detail below in conjunction with the accompanying drawings of the description and specific implementation methods instruction of.

[0015] A communication transceiver provided by an embodiment of the present invention, such as figure 1 As shown, it includes a duplexer 101, an adjustment unit 102, a control u...

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Abstract

The invention relates to the technical field of communication, aims to solve the problem that the use range is narrow since only one frequency band can be used at the same moment in a communication transceiver in the prior art, and provides a communication transceiver applied to a mobile terminal. The communication transceiver comprises a duplexer, an adjusting unit, a control unit and an antenna, wherein the adjusting unit comprises an adjustable matching circuit and an adjustable band elimination filter; the adjusting unit is connected with the control unit; the duplexer comprises a public terminal, a sending filter, a receiving filter and a reactive circuit; at least one of the sending filter and the receiving filter is connected to the reactive circuit; both the sending filter and the receiving filter are connected to a public terminal; the public terminal is connected with the antenna; the control unit is used for adjusting and controlling the adjustable matching circuit and the adjustable band elimination filter in order to adjust the working frequency band of the antenna to two preset frequency bands within the target coverage frequency band range of the antenna. Thus, the technical effect of synchronous reception and sending on two frequency bands at the same moment is achieved.

Description

technical field [0001] The present invention relates to the technical field of communication, in particular to a communication transceiver. Background technique [0002] With the continuous development of electronic technology, the structure of mobile terminals such as mobile phones is becoming more and more complex. Since various communication systems exist in the sky, the antenna needs to cover multiple frequency bands. The existing method is to adjust the antenna through an adjustable antenna matching circuit so that the antenna can Resonance is generated in different frequency bands to achieve coverage of different frequency bands. [0003] However, the existing adjustment method can only ensure that only one frequency band can be used at the same time, so the range of use is relatively narrow. Contents of the invention [0004] By providing a communication transceiver, the present invention solves the problem that the communication transceiver in the prior art can on...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B1/401
Inventor 蒋孝林李翔
Owner CHENGDU ZHONGWEI ELECTRONICS MICROWAVE TECH
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