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雙頻微帶濾波器之匹配電路設計 = Design of Matching ...

國立高雄大學電機工程學系碩士班

雙頻微帶濾波器之匹配電路設計 = Design of Matching Circuits for Dual-Band Microstrip Filter

Record Type:	Language materials, printed : monographic
Paralel Title:	Design of Matching Circuits for Dual-Band Microstrip Filter
Author:	董欣翰,
Secondary Intellectual Responsibility:	國立高雄大學
Place of Publication:	[高雄市]
Published:	撰者;
Year of Publication:	民99[2010]
Description:	63面圖，表 : 30公分;
Subject:	雙頻濾波器
Subject:	Dual-passband filter
Online resource:	http://handle.ncl.edu.tw/11296/ndltd/87440699280860876749
Summary:	在這篇論文中，提出一個新型的匹配電路，利用分支線共振器來設計微帶雙頻濾波器，其中分支線共振器是由一段對高頻帶為四分之一波長（λ/4）的傳輸線、開路截線與高頻共振器所構成。本分支線共振器在兩個頻帶的中心頻率皆可共振。尤其，四分之一波長傳輸線和開路截線設計出來的匹配電路，對於高頻濾波器可提供所需的開路電路，而高頻濾波器的外部品質因素也可以獨立的萃取出來。最後，再設計兩個頻帶之共振器所需要的耦合係數，便可完成此雙頻濾波器。根據上述之設計概念，本論文所設計兩個頻帶的頻寬皆可分開設計調整。 In this study, we propose a new matching circuit for mircostrip dual-passband by using the branch-line resonator which is consists of quarter-wavelength（λ/4） transmission lines, open stubs, and high passband resonator.The responses of resonance frequency of the branch-line resonators can fulfill individual specific center frequency of each passband. Especially, the quarter-wavelength（λ/4） transmission lines and open stubs designed in the matching circuits can provide an open circuit of high-band filter at the center frequency, and then the external quality factor of high-band can be extracted independently. Then the proposed dual-band filter would be implemented by designing the required coupling coefficients between adjacent resonators of each passband. Based on the above design concepts, the fractional bandwidth of each passbands can be separately designed and adjusted.

雙頻微帶濾波器之匹配電路設計 = Design of Matching Circuits for Dual-Band Microstrip Filter
董, 欣翰

雙頻微帶濾波器之匹配電路設計 = Design of Matching Circuits for Dual-Band Microstrip Filter / 董欣翰撰 - [高雄市] : 撰者, 民99[2010]. - 63面 ; 圖，表 ; 30公分.
參考書目：面.
雙頻濾波器Dual-passband filter

雙頻微帶濾波器之匹配電路設計 = Design of Matching Circuits for Dual-Band Microstrip Filter
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314 $a 指導教授：藍文厚博士、鄧卜華博士
320 $a 參考書目：面
328 $a 碩士論文--國立高雄大學電機工程學系碩士班
330 $a 在這篇論文中，提出一個新型的匹配電路，利用分支線共振器來設計微帶雙頻濾波器，其中分支線共振器是由一段對高頻帶為四分之一波長（λ/4）的傳輸線、開路截線與高頻共振器所構成。本分支線共振器在兩個頻帶的中心頻率皆可共振。尤其，四分之一波長傳輸線和開路截線設計出來的匹配電路，對於高頻濾波器可提供所需的開路電路，而高頻濾波器的外部品質因素也可以獨立的萃取出來。最後，再設計兩個頻帶之共振器所需要的耦合係數，便可完成此雙頻濾波器。根據上述之設計概念，本論文所設計兩個頻帶的頻寬皆可分開設計調整。 In this study, we propose a new matching circuit for mircostrip dual-passband by using the branch-line resonator which is consists of quarter-wavelength（λ/4） transmission lines, open stubs, and high passband resonator.The responses of resonance frequency of the branch-line resonators can fulfill individual specific center frequency of each passband. Especially, the quarter-wavelength（λ/4） transmission lines and open stubs designed in the matching circuits can provide an open circuit of high-band filter at the center frequency, and then the external quality factor of high-band can be extracted independently. Then the proposed dual-band filter would be implemented by designing the required coupling coefficients between adjacent resonators of each passband. Based on the above design concepts, the fractional bandwidth of each passbands can be separately designed and adjusted.
510 1 $a Design of Matching Circuits for Dual-Band Microstrip Filter
610 0 $a 雙頻濾波器 $a 微帶 $a 開路截線 $a 四分之一波長。
610 1 $a Dual-passband filter $a microstrip $a open stubs $a quarter wavelength.
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