臺灣博碩士論文加值系統

本論文藉具內向步階(Inward steps, IS)、外向步階(Outward steps, OS)及並行步階(parallel steps, PS)等三種結構的U形微帶λ/2諧振器，以各自或彼此間的同構或異構耦合方式，形成具不同組態的帶通濾波器。
各不同組態的帶通濾波器，經模擬比較後，以同構耦合中兩個ISSIR採間插耦合所形成的帶通濾波器的頻率響應最佳，其頻率響應-中心頻率：3.5GHz、介入損耗：-0.28dB、-3dB頻寬：2.4GHz、傳輸零點：-45dB，比例頻寬：69%；其微型化的程度亦較具OSSIR與PSSIR組態的濾波器微型程度為佳。
此外，在此結構下針對具不同介電係數來加以模擬頻率響應，經模擬結果，當介電係數越小頻寬越寬，中心頻率會往高頻移動，傳輸零點也越低，介入損耗也越小，比例頻寬也變大了。
經實際製作具ISSIR間插耦合組態的帶通濾波器，並量測其頻率響應，其結果與模擬的頻率響應極為近似-中心頻率：3.6GHz、介入損耗：-0.26dB、-3dB頻寬：2.6GHz，傳輸零點：-48dB，比例頻寬：72%。

In this paper, within a step by a first-order (Inward steps, IS), outward-step order (Outward steps, OS) and parallel step bands (parallel steps, PS), three U-shaped microstrip structure, λ / 2 resonator, in order to individually or mutual coupling homostructure or heterostructure form with different configurations of the bandpass filter.
The different configurations of bandpass filter, through the simulation comparator, with its coupling with the homostructure adopted in the two ISSIR intercalatum coupling by the frequency response of bandpass filter the best, its frequency response - the center frequency: 3.5GHz, insertion loss:-0.28dB,-3dB bandwidth: 2.4GHz, transmission zeros:-45dB, ratio of bandwidth: 69%; the a micro-level of degree miniaturization better than OSSIR and PSSIR of the filter configuration. In addition, for this structure with different dielectric constant to be simulated frequency response, by the simulation results, when the dielectric constant the smaller the wider the bandwidth, the center frequency to high frequency mobile, transmission zero are the lower, the insertion loss is also the smaller the proportion of bandwidth is also larger.
The actual production coupled with ISSIR intercalatum bandpass filter configuration, and measured its frequency response, the results with the simulated frequency response very similar, the center frequency: 3.6GHz, insertion loss:-0.26dB,-3dB bandwidth : 2.6GHz, Transmission Zeros:-48dB, ratio of bandwidth: 72%.

中文摘要…………………………………………………………………………… i
英文摘要…………………………………………………………………………… ii
誌謝………………………………………………………………………………… iii
目錄………………………………………………………………………………… iv
表目錄……………………………………………………………………………… vi
圖目錄……………………………………………………………………………… vii
第一章 緒論 ……………………………………………………………………… 1
1.1 前言 …………………………………………………………………... 1
1.2 發展歷程………………………………………………………………. 1
1.3 論文架構………………………………………………………………. 3
第二章 濾波器的探討…………………………………………………………….. 4
2.1 微帶線濾波器…………………………………………………………. 4
2.2 帶通濾波器的響應……………………………………………………. 6
2.3 微帶帶通濾波器的規格………………………………………………. 8
第三章 具U形SIR帶通濾波器之設計……………………………………….….. 9
3.1 SIR基本諧振條件………………………………………………...…… 9
3.2 設計λ/2 SIR…………………………………………………………… 10
3.3 U形SIR結構………………………………….……………………… 11
3.3.1 ISSIR帶通濾波器組態…………………………………………… 12
3.3.2 OSSIR帶通濾波器組態………………………………………….. 13
3.3.3 PSSIR帶通濾波器組態..……………………..………………….. 14
第四章 U形SIR帶通濾波器模擬實作與分析………………………………….. 15
4.1 ISSIR四種組態帶通濾波器的模擬…………………………...……… 16
4.2 OSSIR五種組態帶通濾波器的模擬…………………...……………... 2
4.3 PSSIR九種組態帶通濾波器的模擬……………………………….….. 31
4.4 模擬結果分析………………….……………..……………………….. 46
4.5 2ISIC VS. ε…………………………………………………………. 49
4.6 實作與量測……………………………………………………………. 50
第五章 結論 ……………………………………………………………………… 51
參考文獻…………………………………………………………………………… 52
簡歷………………………………………………………………………………… 56

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