Filter Designs with Harmonic Suppression Using Transmission Zeros from Coupling Structures
碩士 === 國立成功大學 === 電腦與通信工程研究所 === 105 === In this thesis, we studied the harmonic-suppressed bandpass filter is based on discriminating coupling proposed by X. Y. Zheng and Q. Xue. Discriminating coupling is used to obtain zero coupling coefficient at high order harmonic. Then we provides a differen...
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ndltd-TW-105NCKU56520912019-05-15T23:53:20Z http://ndltd.ncl.edu.tw/handle/t9583j Filter Designs with Harmonic Suppression Using Transmission Zeros from Coupling Structures 利用耦合架構引入傳輸零點之諧波抑制濾波器設計 Chih-HsuanLiu 劉稚暄 碩士 國立成功大學 電腦與通信工程研究所 105 In this thesis, we studied the harmonic-suppressed bandpass filter is based on discriminating coupling proposed by X. Y. Zheng and Q. Xue. Discriminating coupling is used to obtain zero coupling coefficient at high order harmonic. Then we provides a different way of deriving the equivalent circuit of the discriminating coupling structure by using Sato’s network model of coupled transmission lines. To increase the freedom of filter design we analysis of four types of coupled-line structures: coupled lines with load at one end. The equation for the transmission zero of coupled lines with load at one end has been derived from its network model. Based on this equation, coupled lines with different loads at one end are analyzed and the rules for controlling the transmission-zero frequency are given. Finally, two case of band-pass filters are designed, and verify the practicability through EM simulation.The last part of this thesis we studied the tuning method of coupled-resonator filters by John B. Ness. Furthermore, we discuss the problem of tuning band-pass filter network fabricated on microstrip line structures. Chih-Ming Tsai 蔡智明 2017 學位論文 ; thesis 60 zh-TW |
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碩士 === 國立成功大學 === 電腦與通信工程研究所 === 105 === In this thesis, we studied the harmonic-suppressed bandpass filter is based on discriminating coupling proposed by X. Y. Zheng and Q. Xue. Discriminating coupling is used to obtain zero coupling coefficient at high order harmonic. Then we provides a different way of deriving the equivalent circuit of the discriminating coupling structure by using Sato’s network model of coupled transmission lines. To increase the freedom of filter design we analysis of four types of coupled-line structures: coupled lines with load at one end. The equation for the transmission zero of coupled lines with load at one end has been derived from its network model. Based on this equation, coupled lines with different loads at one end are analyzed and the rules for controlling the transmission-zero frequency are given. Finally, two case of band-pass filters are designed, and verify the practicability through EM simulation.The last part of this thesis we studied the tuning method of coupled-resonator filters by John B. Ness. Furthermore, we discuss the problem of tuning band-pass filter network fabricated on microstrip line structures.
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author2 |
Chih-Ming Tsai |
author_facet |
Chih-Ming Tsai Chih-HsuanLiu 劉稚暄 |
author |
Chih-HsuanLiu 劉稚暄 |
spellingShingle |
Chih-HsuanLiu 劉稚暄 Filter Designs with Harmonic Suppression Using Transmission Zeros from Coupling Structures |
author_sort |
Chih-HsuanLiu |
title |
Filter Designs with Harmonic Suppression Using Transmission Zeros from Coupling Structures |
title_short |
Filter Designs with Harmonic Suppression Using Transmission Zeros from Coupling Structures |
title_full |
Filter Designs with Harmonic Suppression Using Transmission Zeros from Coupling Structures |
title_fullStr |
Filter Designs with Harmonic Suppression Using Transmission Zeros from Coupling Structures |
title_full_unstemmed |
Filter Designs with Harmonic Suppression Using Transmission Zeros from Coupling Structures |
title_sort |
filter designs with harmonic suppression using transmission zeros from coupling structures |
publishDate |
2017 |
url |
http://ndltd.ncl.edu.tw/handle/t9583j |
work_keys_str_mv |
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1719155502565294080 |