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篇名 Analysis and Design of L-C Impedance-matching Circuits between Transmission Line and Antenna
卷期 23
並列篇名 天線與傳輸線間L-C阻抗匹配電路的分析與設計
作者 蔡漢彰
頁次 13-27
關鍵字 天線傳輸線阻抗匹配天線工程輻射能串聯諧振並聯諧振AntennaTransmission lineImpedance-matchingAntenna engineeringRadiant energySeries resonanceParallel resonance
出刊日期 201012

中文摘要

天線與傳輸線間的阻抗匹配電路對發射台的傳輸執行效果極有影響。本文導出不同匹配電路的阻抗與其諧振頻率的特性理論公式及推薦四個標準化電路。在頻寬500-1600 kHz 的範圍內的各匹配電路,皆可利用導出的串並聯理論公式與電腦程式計算出最佳匹配電路的各元件值,結果可得証利用理論公式與電腦程式分析設計各匹配電路確實節省工程設計、施工及維修時間。

英文摘要

The impedance-matching circuit between the transmission line and the antenna has a critical effect on the transmission performance of a radio station. This paper derives theoretical expressions for the impedance and resonance frequency properties of various impedance-matching circuits and proposes four standardized circuits. A computer program is developed to obtain the values of the various elements in each matching circuit in frequency the range of 500~1600 kHz. The results confirm the effectiveness of the proposed program in analyzing the impedance-matching circuit design and reduce the effort in circuit construction and maintenance.

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