Test system and method of characteristic impedance of electronic signal wires
A technology of electronic signal and characteristic impedance, which is applied in the field of electronic signal trace characteristic impedance test system, can solve the problems of low work efficiency, difficult data management, high labor intensity, etc., so as to improve work efficiency and save time for finding test parameters Effect
Active Publication Date: 2010-12-29
启东铝途机电科技有限公司
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Problems solved by technology
[0003] In the past, the traditional detection method required the staff to confirm the status of the test equipment one by one before the test, and the test parameters needed to be manually input one by one. Due to the wide range of detection and multiple functions, the detection is often very busy, not only labor-intensive, but also The work efficiency is low, and it is prone to human error, and the detected data is not easy to manage
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[0012] like figure 1 Shown is a system architecture diagram of a preferred embodiment of the electronic signal trace characteristic impedance testing system of the present invention. The electronic signal trace characteristic impedance testing system 10 runs in the host computer 1 . Wherein, the host computer 1 is connected to a testing device 2, and the testing device 2 may be a time domain reflectometer, or a testing device in which a time domain reflectometer and a mechanical arm cooperate. The test equipment 2 takes the electronic signal traces on the printed circuit board 4 through the probe 5 to test. The printed circuit board 4 is placed on the test machine 3 , and in other embodiments, the printed circuit board 4 can also be any other suitable electronic signal routing carrier.
[0013] Before the test starts, the electronic signal trace characteristic impedance testing system 10 acquires the status information of the test equipment 2 and confirms the acquired status ...
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The invention relates to a test method of the characteristic impedance of electronic signal wires, comprising the following steps of: inputting test information into a mainframe; acquiring state information of test equipment; when the state information of the test equipment is normal, acquiring the test parameters of the electronic signal wires to be tested from the mainframe; controlling the test equipment to carry out a characteristic impedance test on the electronic signal wires to be tested according to the acquired test parameters; acquiring a test result from the test equipment; analyzing the acquired test result to obtain an analysis result; and generating a test report according to the test result and the analysis result. The invention also provides a test system of the characteristic impedance of the electronic signal wires.
Description
technical field [0001] The invention relates to a test system and method, in particular to a test system and method for characteristic impedance of electronic signal traces. Background technique [0002] With the development of electronic science and technology, printed circuit boards (Printed Circuit Board, PCB) have become an indispensable and important part of various electrical equipment (such as computers). Since ultra-high-frequency microwave signals are transmitted in the circuit of the printed circuit board, to ensure the reliability of the printed circuit board in use, it is necessary to detect the characteristic impedance of the signal traces when leaving the factory. The characteristic impedance refers to the impedance of an infinitely long electronic signal trace, and the unit is ohm. [0003] In the past, the traditional detection method required the staff to confirm the status of the test equipment one by one before the test, and the test parameters needed to ...
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IPC IPC(8): G01R27/02
CPCG01R31/2805G01R31/281G01R31/2806
Inventor 梁献全李昇军许寿国陈永杰
Owner 启东铝途机电科技有限公司