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    Please use this identifier to cite or link to this item: http://ccur.lib.ccu.edu.tw/handle/A095B0000Q/370

    Title: 具寬截止頻帶之高諧波抑制低通濾波器及超寬頻與寬截止頻帶帶通濾波器;Design of the high attenuation low pass filter with wide stopband and ultra-wide bandpass filter with broad stopband
    Authors: 林翰志;LIN, HAN-CHIH
    Contributors: 電機工程研究所
    Keywords: 低通濾波器;槽線;超寬頻帶通濾波器;雙路徑耦合線;寬截止頻帶;Low-pass filter;slot;ultra-wide bandpass filter;two-path coupled line;broad stopband
    Date: 2017
    Issue Date: 2019-07-17
    Publisher: 電機工程研究所
    Abstract: 本論文分為兩個部分,第一部分為第三章,主要是介紹具寬截止頻帶之高諧波抑制低通濾波器,利用巴特沃茲濾波器設計公式得到低通濾波器雛形,選擇階數為 6 來達到高選擇性;而在頻帶外,在電路佈局上使用挖槽來達到頻帶外高諧波抑制的部分。另外,電磁模擬也和量測有很好的一致性。第四章則是超寬頻與寬截止頻帶帶通濾波器,首先使用兩段平行耦合線來達到濾波效果,再來加入一多模態諧振腔來使頻帶達到超寬頻;在頻帶外抑制的部分,吾人選擇使用雙路徑耦合線的結構來達到頻帶外抑制,進而實現寬截止頻帶。電路在模擬與量測皆有良好結果。
    There are two part of this thesis had been presented. The first part is the design of the high attenuation low pass filter with wide stopband at chapter 3. In order to achieve high selectivity, choosing the six-order low pass filter prototype by using butterworth method. To achieve stopband rejection, using slot line is effective to generate extra transmission zeros. In the second part, we will introduce the ultra-wide bandpass filter with broad stopband at chapter 4. First, by using parallel-coupled line to achieve filtering and adding a muti-mode resonator to achieve ultra-wideband. To suppress the harmonic, choosing the two-path coupled line to achieve broad stopband.
    Appears in Collections:[電機工程研究所] 學位論文

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