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博碩士論文 etd-0727108-000347 詳細資訊
Title page for etd-0727108-000347
論文名稱
Title
LTCC雙頻帶通濾波器之合成設計與實現
Circuit Synthesis and Implementation of LTCC Dual-Passband Filter
系所名稱
Department
畢業學年期
Year, semester
語文別
Language
學位類別
Degree
頁數
Number of pages
75
研究生
Author
指導教授
Advisor
召集委員
Convenor
口試委員
Advisory Committee
口試日期
Date of Exam
2008-06-25
繳交日期
Date of Submission
2008-07-27
關鍵字
Keywords
雙頻帶通濾波器、低溫共燒陶瓷、傳輸零點
Transmission zero, Dual-band filter, Low-temperature co-fired ceramic (LTCC)
統計
Statistics
本論文已被瀏覽 5735 次,被下載 2245
The thesis/dissertation has been browsed 5735 times, has been downloaded 2245 times.
中文摘要
本論文提出一新型雙頻帶通濾波器架構,並針對此架構提出一套設計流程與數學合成方法,其中包括主要通帶濾波器設計、高頻通帶合成以及產生傳輸零點的方法,在規格設定後,代入本論文提出之電路解析公式,就能準確地合成出具有傳輸零點之雙頻帶通濾波器。最後,於LTCC多層基板結構中實現濾波器架構,並且使用電磁模擬以及量測散射參數來驗證濾波器頻率響應,實現出應用在無線區域網路IEEE 802.11a/b/g系統之微小型雙頻帶通濾波器。
Abstract
This thesis proposes a novel dual passband filter architecture and develops a design flow and synthesis method for this architecture. The technical contents include the fundamental passband filter design and the further methods for generating the higher second passband and the multiple transmission zeros. This thesis organizes a design flow based on analytical formulation for the proposed dual passband filter architecture. One can follow this design flow to substitute the filter specifications into the formulation and then can obtain the necessary element values for the filter architecture that match the specified specifications. The dual passband filter architecture is finally implemented on LTCC substrate for WLAN (IEEE 802.11 a/b/g) applications with verification of S parameters using EM-simulation and actual measurement.
目次 Table of Contents
第一章 緒論1
1.1 背景簡介1
1.2 研究動機2
1.3 文獻探討3
1.4 章節介紹4
第二章 耦合諧振器帶通濾波器電路合成5
2.1 二階耦合諧振器帶通濾波器原型介紹5
2.2 電感耦合π原型帶通濾波器電路合成方法7
2.2.1 帶通濾波器原型電路方法8
2.2.2 阻抗匹配等效電路方法13
第三章 雙頻帶通濾波器電路原理與合成方法20
3.1 微波網路分析濾波器電路20
3.2 高頻通帶之電路合成23
3.2.1 串聯回授諧振器與高頻通帶頻率位置探討24
3.2.2 並聯回授諧振器與高頻通帶頻率位置探討27
3.2.3 串聯與並聯回授諧振器合成高頻通帶之分析與探討31
3.3 傳輸零點之分析與電路合成33
3.3.1 產生傳輸零點之原理34
3.3.2 傳輸零點位置之探討與產生方法34
第四章 LTCC雙頻帶通濾波器設計與實現38
4.1 濾波器規格設定與元件合成38
4.2 集總元件於LTCC中之設計方法42
4.3 電路佈局與元件參數實現方法43
4.3.1 電路三維結構佈局43
4.3.2 電磁模擬元件參數實現方法45
4.4 量測方法與實作成果52
第五章 結論58
參考文獻59
參考文獻 References
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