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Multiband wireless signal transceiver system

A wireless signal, transceiver system technology, applied in the transmission system, electrical components, etc., can solve the problems of increased control complexity and instability, poor isolation between receiving and transmitting links, and large volume, so as to reduce design difficulty, The effect of low cost and good filtering effect

Inactive Publication Date: 2012-07-25
深圳市虹远通信有限责任公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the current multi-band wireless transceiver system, the usual practice is to use separate applications for each band. Each band needs to be equipped with an independent transceiver switch and a narrow-band power amplifier. The transceiver switch uses a circulator plus a limiter circuit. The switches and filters are also set independently. In this way, the volume of the components is very large, and more power amplifiers are required to meet the multi-band operating frequency range. The efficiency is low, the cost is high, and the isolation between the receiving and transmitting links is relatively poor. , increasing the complexity and instability of its control as a whole

Method used

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Examples

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Embodiment 1

[0029] like figure 1 As shown, this example provides a multi-band wireless signal transceiver system, including:

[0030] A power amplifier for amplifying the input wireless signal;

[0031] The frequency switching output device includes: a transceiver switch for receiving the output signal of the power amplifier, a first switch coupled with the transceiver switch, a filter coupled with the first switch, and the A second switch coupled to the filter; the filter includes filtering units respectively adapted to the first switch and corresponding stages of the first switch;

[0032] A monitor, comprising: a frequency detection unit for respectively detecting the frequency signals of the power amplifier and the frequency switching output device, and controlling the gain of the power amplifier and the first switching switch respectively according to the detection result of the frequency detection unit and the first switching switch to switch the processing control unit of the cor...

Embodiment 2

[0040] The difference from Embodiment 1 is that the power amplifier described in this embodiment uses GaN power amplifier tubes.

[0041] This example further adopts the above-mentioned technical features, and its advantage is that it can automatically detect the frequency signal, directly control the gain of the power amplifier according to the frequency, integrate the power amplifier, the first switching switch, the second switching switch and the filter unit, and do not need to use the limiter separately. The amplitude circuit is detected and switched by the monitor, which can better match the frequency signal, achieve better filtering effect, and reduce the design difficulty and cost of the peripheral circuit. On this basis, the power amplifier adopts nitride The gallium power amplifier tube makes the transceiver more efficient, the working frequency band is wider, and further realizes a wider frequency multi-band wireless signal transceiver system with strong compatibility...

Embodiment 3

[0043] Different from Embodiment 1, the transceiver switch described in this embodiment uses PIN diodes.

[0044] This example further adopts the above-mentioned technical features, and its advantage is that it can automatically detect the frequency signal, directly control the gain of the power amplifier according to the frequency, integrate the power amplifier, the first switching switch, the second switching switch and the filter unit, and do not need to use the limiter separately. The amplitude circuit is detected and switched by the monitor, which can better match the frequency signal, achieve better filtering effect, and reduce the design difficulty and cost of the peripheral circuit, and has strong compatibility. On this basis, the transceiver The switch adopts PIN diode, which has small insertion loss and high power. Compared with the circulator used in the prior art, this example has significantly improved its isolation and sensitivity.

[0045] This example is also a...

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Abstract

The invention provides a multiband wireless signal transceiver system which comprises a power amplifier, a frequency switching outputting unit and a monitor, wherein the power amplifier is used for amplifying an inputted wireless signal; the frequency switching outputting unit comprises a transceiver switch used for receiving an output signal of the power amplifier, a first selector switch coupled with the transceiver switch, a filter coupled with the first selector switch and a second selector switch coupled with the filter; the filter comprises a filtering unit which is adaptive to the corresponding sections of the first selector switch and the second selector switch respectively; the monitor comprises a frequency detecting unit and a processing control unit; the frequency detecting unit is used for detecting frequency signals of the power amplifier and the frequency switching outputting unit; and the processing control unit is used for controlling the gain of the power amplifier and the corresponding switching sections of the first selector switch and the second selector switch according to a detecting result of the frequency detecting unit. The multiband wireless signal transceiver system is suitable for wider frequency signals, the cost is lowered and the efficiency is improved.

Description

technical field [0001] The invention relates to a wireless transceiver system, in particular to a multi-band wireless signal transceiver system. Background technique [0002] In the current multi-band wireless transceiver system, the usual practice is to use separate applications for each band. Each band needs to be equipped with an independent transceiver switch and a narrow-band power amplifier. The transceiver switch uses a circulator plus a limiter circuit. The switches and filters are also set independently. In this way, the volume of the components is very large, and more power amplifiers are required to meet the multi-band operating frequency range. The efficiency is low, the cost is high, and the isolation between the receiving and transmitting links is relatively poor. , increasing the complexity and instability of its control as a whole. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a multi-band wire...

Claims

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Application Information

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IPC IPC(8): H04B1/38H04B1/40
Inventor 林凯
Owner 深圳市虹远通信有限责任公司
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