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標題Title: BANDPASS PERFORMANCE OF THE SHORT-CIRCUITED QUARTERWAVELENGTH PARALLEL-COUPLED LINE EXCITED BY THE SLOT-LINE RESONATOR
作者Authors: 管鴻,Min-Hang Weng..等
上傳單位Department: 光電工程系
上傳時間Date: 2009-11-27
上傳者Author: 管鴻
審核單位Department: 光電工程系
審核老師Teacher: 管鴻
檔案類型Categories: 論文Thesis
關鍵詞Keyword: parallel-coupled lines; transmission zeros; bandpass filter, (BPF)
摘要Abstract: In this article, a wideband bandpass performance of the
short-circuited quarter-wavelength parallel-coupled line excited by the slot-line resonator (SLR) is proposed. The filter performance is characterized based on the even and odd-mode analysis of the microstrip parallel-coupled line. And the coupling consideration between the shortcircuited quarter-wavelength parallel-coupled line and the SLR is also discussed for obtaining the proper wide passband response. With the multiple transmission zeros, the designed filter exhibits an improved passband selectivity and a good out-of-band performance. Predicted results are confirmed by the experiment.

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2009_11_6d999481.pdf 200Kb pdf 317 331
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