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http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/29226
標題: | 微波基板介質常數量測-使用阻抗分析儀 Dielectric Constant Measurement of Microwave Substrate Using Impedance Analyzer |
作者: | Jia-Fong Ye 葉家豐 |
指導教授: | 瞿大雄(Tah-Hsiung Chu) |
關鍵字: | 介質常數量測,阻抗分析儀, Dielectric Constant, |
出版年 : | 2007 |
學位: | 碩士 |
摘要: | 本論文主要敘述以阻抗分析儀量測微波基板之介質常數及正切損失。量測儀器使用Agilent E4991A阻抗分析儀,頻率範圍1 MHz~3 GHz,測試夾具則為Agilent 16453A,頻率範圍1 MHz~1 GHz,量測方法係基於平行板電容原理,由量測之阻抗值計算介質基板之介質常數。夾具校準則使用開路、短路及標準負載補償,以消除主要之殘餘阻抗,並建立RLC等效電路模型及ABCD矩陣模型,經由實驗求得近似修正方程式,用以消除邊界電容量造成之測誤差。論文最後,並從夾具補償討論測試夾具量測精確度,以及介質板厚度對量測介質常數值之影響。 This thesis discusses the measurement of dielectric constant and loss tangent of microwave substrates. The measurement instrument use Agilent E4991A impedance analyzer with Agilent 16453A test fixture. The measurement method is based on the principle of parallel plate capacitor to calculate the dielectric constant and loss tangent from the measured impedance values. The test fixture is calibrated using open, short and standard load compensation based on the two developed methods, RLC equivalent circuit method and ABCD matrix method, to remove the residual impedance, which is a major cause of measurement errors. In addition, a correction function based on measurement results are used to correct effect of edge capacitance. Finally, this thesis discusses the measurement accuracy of the test fixture compensation and the effect of the dielectric plate thickness on the measurement dielectric constant value. |
URI: | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/29226 |
全文授權: | 有償授權 |
顯示於系所單位: | 電信工程學研究所 |
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