| 高精度TDR可调探头的研制及应用 |
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| 引用本文： | 许丽芬,蔡林,王天生,欧志强.高精度TDR可调探头的研制及应用[J].印制电路信息,2014(7):36-41. |
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| 作者姓名： | 许丽芬 蔡林 王天生 欧志强 |
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| 作者单位： | 广东正业科技股份有限公司,广东东莞523808 |
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| 摘 要： | 概述印制板阻抗设计的重要意义，在此基础上阐述研制测试印制板阻抗的高精度TDR可调探头的目的和制作原理；并将此款可调探头与固定探头做测试对比、通过做MSA测试验证及与国外同类型的可调探头做测试对比，表明可调探头可满足印制板内真实阻抗线路的测量要求。
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| 关 键 词： | 阻抗匹配 阻抗设计 高精度时域反射可调探头 测试对比 测量系统分析 |
The development and application of high-precision adjustable TDR probe |
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| XU Li-fen,CAI Lin,WANG Tian-sheng,OU Zhi-qiang.The development and application of high-precision adjustable TDR probe[J].Printed Circuit Information,2014(7):36-41. |
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| Authors: | XU Li-fen CAI Lin WANG Tian-sheng OU Zhi-qiang |
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| Affiliation: | XU Li-fen, CAI Lin, WANG Tian-sheng, OU Zhi-qiang |
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| Abstract: | This article summarizes the importance of the PCB impedance design. Based on this, it elaborates high-precision adjustable TDR probe which tests PCB impedance goal and production principles. Adjustable probe and ifxed probe are done in the test with contrasts by MSA test veriifcation and test comparison for the same type of adjustable probe from abroad with analytical performance. It indicates the adjustable probe to meet the measurement requirements of the PCB real impedance line. |
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| Keywords: | Impedance Matching Impedance Design Adjustable Precision TDR Probe Test Comparison MSA |
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