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A kind of microwave mechanical switch repeatability test method

A mechanical switch and test method technology, applied in the field of testing, can solve problems such as low efficiency and affect test accuracy, and achieve the effect of ensuring accuracy and efficiency

Inactive Publication Date: 2021-06-01
THE 41ST INST OF CHINA ELECTRONICS TECH GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the problem in the prior art that the repeated connection operation of the existing scheme leads to low efficiency and affects the accuracy of the test, a microwave mechanical switch repeatability test device and method are provided

Method used

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  • A kind of microwave mechanical switch repeatability test method

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Embodiment Construction

[0021] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0022] Such as figure 1 As shown, a microwave mechanical switch repeatability testing device, the system consists of a main control computer 1, a DC power supply 5, a vector network analyzer 9, a multi-power divider 8 and radio frequency cables 7 of different lengths,

[0023] Described main control computer 1 is connected with vector network analyzer 9 by GPIB board card 2, and a port 91 of vector network analyzer 9 is connected with the input end of tested switch 6 by radio frequency cable, and the multi-channel output end of switch passes through several different The length of the radio frequency cable 7 is connected to the second port 92 of the vector network analyzer 9 after being combined with the corresponding one-point multi-function splitter 8, and the digital IO board 3 installed in the m...

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Abstract

The invention discloses a repeatability testing method of a microwave mechanical switch. The system consists of a main control computer, a digital IO device, a DC power supply, a vector network analyzer, a multi-function divider, radio frequency cables of different lengths, and a microwave mechanical switch under test. switch. The test program running on the main control computer realizes the channel switching control of the microwave switch, the control and data reading of the vector network analyzer, and the processing and storage of the test results. The repeatability test of the channel wave mechanical switch; the cable connection is not changed during the whole test process, and the test is continued and recorded until the test is completed, ensuring accuracy and efficiency.

Description

technical field [0001] The invention belongs to the technical field of testing, and in particular relates to a microwave mechanical switch repeatability testing device and method. Background technique [0002] Microwave mechanical switches are widely used in microwave test equipment, and the repeatability of microwave mechanical switches has a great influence on the test accuracy and stability of the equipment. The repeatability test of microwave mechanical switches is generally done with a vector network analyzer, and only one channel repeatability index of the switch can be tested at a time. However, because the structure of the microwave mechanical switch is generally one input and multiple outputs or multiple inputs and multiple outputs, this brings difficulties to the test. If a general-purpose two-port vector network analyzer is used, the microwave mechanical switch needs to be connected multiple times for one test, which is not only inefficient, but also has a great ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/327
CPCG01R31/3277
Inventor 许延峰谷帆祝杰
Owner THE 41ST INST OF CHINA ELECTRONICS TECH GRP