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An antenna feeder test and spectrum analysis device

A spectrum analysis, antenna feeder technology, applied in spectrum analysis/Fourier analysis, antenna radiation pattern, transmission monitoring and other directions, can solve the problems of high price and high cost, and achieve the effect of reducing costs

Active Publication Date: 2018-07-06
北京信维科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, it is integrated on one instrument in the form of a module, so that if the user needs the instrument to support the two functions of antenna feeder test and spectrum test at the same time, it is necessary to purchase two corresponding modules at the same time, which is expensive and expensive

Method used

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  • An antenna feeder test and spectrum analysis device
  • An antenna feeder test and spectrum analysis device
  • An antenna feeder test and spectrum analysis device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] figure 1 It is a schematic structural diagram of an antenna feeder test and spectrum analysis device provided in Embodiment 1 of the present invention, and the device can be realized by software and / or hardware. The device can realize two functions of antenna feeder test and frequency spectrum analysis. Such as figure 1 As shown, the device specifically includes:

[0045] a radio frequency signal source 110, configured to provide a radio frequency signal;

[0046] Splitter 120, the first end of splitter 120 is connected with radio frequency signal source, the second end of splitter 120 is connected with the second end of directional coupler 140; Splitter 120 is used for splitter 120 under the antenna feeder test mode The radio frequency signal obtained by the first end of the splitter 120 is branched, respectively output from the branch end of the splitter 120 and the second end of the splitter 120, and is used to obtain the signal to be tested from the second end of...

Embodiment 2

[0071] figure 2 A schematic structural diagram of an antenna feeder test and spectrum analysis device provided in Embodiment 2 of the present invention. This embodiment is optimized on the basis of the foregoing embodiments. Such as figure 2 As shown, the antenna feeder test and spectrum analysis device provided in this embodiment also includes: a signal switching circuit 180, connected to the frequency mixing circuit 150, for switching between the radio frequency attenuator 130 and the directional coupler 140 in the antenna feeder test mode is connected to the coupled end of the terminal, and is used to connect with the radio frequency attenuator 130 in the spectrum analysis mode.

[0072] In the antenna feeder test mode, the signal switching circuit 180 is switched to connect the coupling end of the radio frequency attenuator 130 and the directional coupler 140, so that the output signal of the radio frequency attenuator 130 and the signal of the local oscillator 160 are...

Embodiment 3

[0098] image 3 The structure schematic diagram of the second filter circuit 157 in the antenna feeder test and spectrum analysis device provided by Embodiment 3 of the present invention, this embodiment is optimized on the basis of the above embodiments, and the second filter circuit 157 is further refined. Wherein, the second filter circuit 157 includes:

[0099] The first low-frequency filter circuit 1571 is used to pass the second mixing signal with a set bandwidth in the antenna feeder test mode;

[0100] The second low-frequency filter circuit 1572 is configured to pass the second mixed frequency signal with a set bandwidth in the spectrum analysis mode.

[0101] In the two different modes of the antenna feeder test mode and the spectrum analysis mode, the second filter circuit 157 passes through different filter circuits, the first low-frequency filter circuit 1571 and the second low-frequency filter circuit 1572, to the second output of the second mixer 155, respectiv...

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Abstract

The invention discloses an antenna feeder test and spectral analysis device. The device comprises a radio frequency signal source which is used for providing a radio frequency signal; a branch device of which first end is connected with the radio frequency signal source, and second end is connected with a second end of a directional coupler; a radio frequency attenuator which is connected with a branch end of the branch device; the directional coupler of which second end is connected with the second end of the branch device, and first end is connected with a to-be-tested terminal; a mixer circuit which is connected with the radio frequency attenuator and a coupling end of the directional coupler; and a signal processing module which is connected with the mixer circuit. According to the technical scheme of the device, antenna feeder test and spectral analysis functions can be supported at the same time; the problem that a user needs to purchase two corresponding modules when the antenna feeder test and spectral analysis functions are required at the same time; the antenna feeder and spectral analysis are integrated; and the cost is greatly reduced.

Description

technical field [0001] The embodiment of the present invention relates to wireless communication network technology, and in particular to an antenna feeder test and spectrum analysis device. Background technique [0002] With the continuous improvement of science and technology, the wireless communication network technology develops rapidly. The construction, upgrade and maintenance of wireless network are the key points in wireless network engineering, and the quality assurance of wireless transmission network is the top priority. [0003] Antenna and feeder testers and spectrum analyzers are commonly used instruments in wireless network maintenance. The transmitting and receiving signals of the radio frequency network are completed through the antenna feeder system. The installation quality and operation of the antenna feeder system will directly affect the quality of the radio frequency signal, the coverage and the working status of the transmitter. The antenna feeder te...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B17/373G01R29/10G01R23/16
CPCG01R23/16G01R29/10H04B17/373
Inventor 刘云龙王勇俞隽景洋
Owner 北京信维科技股份有限公司