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研究生:顏耀祺
研究生(外文):Yao-Qi Yan
論文名稱:應用於RFID智慧型貨架之UHF頻段功率分配器設計
論文名稱(外文):Design of UHF Power Divider Used in RFID Smart Shelf
指導教授:陳一鋒彭嘉美 
指導教授(外文):I-Fong ChenChia-Mei Peng
學位類別:碩士
校院名稱:景文科技大學
系所名稱:電子工程系電腦與通訊碩士班
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2017
畢業學年度:105
語文別:中文
論文頁數:46
中文關鍵詞:威爾金森功率分配器傳輸線N路功率分配器
外文關鍵詞:Wilkinson Power DividersTransmission LineN-way power combiner
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本論文提出了一種新型8路威爾金森功率分配器(Wilkinson Power Divider),利用徑向功率分配器以及威爾金森功率分配器的優點作結合,並且應用在無線射頻辨識系統(RFID, Radio Frequency Identification System),其頻段為(902MHz - 922MHz)。
本文所設計之功率分配器是採用星狀結構由λ/ 4傳輸線和環狀阻抗組成,並且再以折繞的方法將功率分配器面積過大的問題改善,其功率分配器的特性以等功率分配、端口的阻抗匹配、八個輸出端口之間的隔離度以及相位都有達到良好的結果。最後,本論文利用幾個設計實例當作示範,並以電磁模擬及實作,成功驗證了上述觀點與設計步驟。
In this thesis presents a new type of 8-way Wilkinson Power Divider, which consists of a radial power divider and a Wilkinson Power Divider to implement in Radio Frequency Identification (RFID) System. The operating band of RFID is 902MHz - 922MHz.
The power divider designed in the thesis is composed of a λ / 4 transmission line and a ring impedance using a star structure, and the problem of increasing the area of the power divider by folding is improved, and the power divider is distributed at equal power. The port impedance matching, the isolation between the eight output ports and the phase has reached good results. At last, this thesis uses several design examples as a demonstration, and with electromagnetic simulation, confirmed the above point of view and design steps successfully.
目錄
摘 要 ……………………………….………………………………………...……..i
誌 謝 …………….………………………………………………………..………iii
目 錄 …………………………………………………………………...………….iv
表目錄 …………………………………………………………………………...….vi
圖目錄 ………………………………………………………………………...……vii
第一章 緒論…………………………………………………………………...……..1
1.1 研究動機與目的...………………………………………...…………..1
1.3 內容大綱…...……………………………………………..….………..2
第二章 功率分配器原理..…………………………………………………………..3
2.1 介紹……………………………………………………………….…….3
2.2 傳輸線之簡介及工作原理...………………………………….....……4
2.3 傳輸線縮小化介紹…...………………………………….…..........…..7
2.4 威爾金森功率分配器之簡介(Wilkinson Power Divider)………...….8
2.5 無損耗N-way功率合成器的散射矩陣特性…..……………........…..9
2.6 星狀功率分配器結構介紹...…………..……………..………….…..11
2.7星功率分配器結構限…...………..….………….…..…………….…..12
第三章 六路功率分配器模擬比較..………………………………………..…..…13
3.1 介紹…...…………………………………………………….…….......13
3.2 各類多路功率分配器分析..…………………………………………15
3.3 六路功率分配器模擬分析…………………………………………..17
3.4 環狀阻抗分析………………………………….……………...……..20
第四章 效能優化之設計...…………………………………………….…………..23
4.1 簡介…...…………………………………………..……..…..……….23
4.2 傳統式威爾金森八路功率分配器………………………….……….24
4.3八路星狀功率分配器.…………………………….………...….….….29
4.3 星狀功率分配器縮小化…………………………………...…...……33
4.6星狀功率分配器與縮小化結合優點…………………...….........…....38
第五章 結論………………………………………………………………...………42
參考文獻…...………………………………………………………………….….….43
參考文獻
[1] 李藹峰“射頻收發機之電路設計與系統整合以及利用 MCS-51 控制 A7125 無線收發晶片之 ISM Band 主動式 RFID 應用系統開發,” 樹德科技大學電腦與通訊系研究所,2010

[2] I-Tung Chou, Chia-Mei Peng and I-Fong Chen,:’ A Dual-band Wilkinson Power Divider with Microstrip Slow-Wave Structures’,Asia-Pacific International Symposium on Electromagnetic Compatibility, pp.723-726, April, 2010.

[3] David M. Pozar,:Microwave Engineering’, University of Massachusetts at Amherst, John Wiley & Sons, Inc, pp.318-324,2005

[4] Y. L. Wu, Y. A. Liu, S. L. Li, C. P. Yu, and X. Liu, “CLOSED-FORM DESIGN METHOD OF AN N-WAY DUAL-BAND WILKINSON HYBRID POWER DIVIDER”,School of Electronic Engineering Beijing University of Posts and Telecommunications China., Progress In Electromagnetics Research, PIER 101, 97–114, 2010.

[5] Prof. Dr. S. S. Chorage*, Shilpa V. Joshi, Harshada S. Ahiwale and Archana M. Gaikwad , “Design And Performance Analysis Of 1:6 Power Divider For L Band Frequency Comparison of Wilkinson Power Divider And Gysel Power Divider Using Ads® For The Frequency Range of 3 Ghz ”, International Journal of Wireless Networks and Communications. ISSN 0975-6507 Volume 8, Number 1 (2016), pp. 15-21

[6] A. Al-Hindawi, S. Mahmood , “Effect of Adding Input and Output Impedance Transformer on Wilkinson Power Dividers Performance”,International Journal of Scientific & Engineering Research, Volume 2, Issue 11, November-2011 ISSN 2229-5518

[7] Doan Huu Chuc, Bach Hoang Giang, Hoang Duc Long and Bach Gia Duong,:’Design and Fabrication of Driver Amplifier for Wilkinson Power Divider Operating at S Band’,VNU Journal of Mathematics – Physics, Vol. 29, No. 3, pp.55-62, 2013.


[8] Nemai c. Karmakar, Marek E. Bialkowski:’ Design of Planar Fork Power Dividers Using Microwave CAD’,Microwave Conference, 1999 Asia Pacific, vol.1, pp120-123, Dec 1999.

[9] Xiang Zhao, XiaoQiang Xie, Lei Zhou:’ A Broadband Waveguide-based Power Divider in W-Band’, Microwave and Millimeter Wave Technology (ICMMT), 2012 International Conference on, vol.4, pp1-4, May 2012.

[10] David M. Pozar,:Microwave Engineering’, University of Massachusetts at Amherst, John Wiley & Sons, Inc, pp.318-324,2005


[11] E. Fathy, S.-W. Lee and D. Kalokitis, “A simplified design approach for power combiner,” IEEE Trans. on Microwave Theory and Techniques, vo No. 1, pp. 247-255, Jan. 2006.

[12] D. D. Harty, Novel design of a wideband Ribcage-dipole array and its feeding network, Thesis, Electrical and Computer EngineeringWorcester Polytechnic Institute, pp. 8-12, Dec. 2010.


[13] J. Li, “Novel Design of Wilkinson Power Dividers With Arbitrary Power Division Ratios,” IEEE Transactions on Industrial Electronics, Vol. 58 Issue 6, pp. 2541-2546, 2011.

[14] Lin, Z. and Q.-X. Chu,” A novel approach to the design of dual-band power divider with variable power dividing ratio based on coupled-lines," Progress In Electromagnetics Research, Vol. 103, 271284, 2010.

[15] H.Zhang, X.Shi, F.Wei and L.Xu, Compact wideband Gysel Power Divider with arbitrary power division based on patch type structure, Progress In Electro magnetics Research, Vol. 119, 395-406, 2011.

[16] Jia. P. CAP wireless Inc, ”A 2 to 20 GHz high power amplifier using spatial power combining techniques” ,Microwave Journal, April 2005

[17] P. Khan, L. Epp and A. Silva1, “A Ka-Band Wide-Bandgap Solid-State Power Amplifier”, IPN Progress Report 42-163, November 15, 2005

[18] Kaijun Song, Yong Fan, and Yonghong Zhang,” Eight-Way Substrate Integrated Waveguide Power Divider With Low Insertion Loss”, IEEE Trans. Microwave. Theory Tech., vol. 56, no. 6, p. 1473, June. 2008.

[19] Dirk I. L. de Villiers, PieterW. “Design of Conical Transmission Line Power Combiners Using Tapered Line Matching Sections”, IEEE Trans. Microwave. Theory Tech., vol. 56, no. 6, p.1478, June. 2008.

[20] CHENG Haifeng, ZHANG bin, “Design of C-Band Improved Radial Power Combiner” 9th international on solid state and integrated circuit technology, ICSICT, Oct 2008

[21] M.Alkanhal, “Reduced-Size Dual Band Wilkinson Power Dividers,” Proceedings of the International Conference on Computer and Communication Engineering, pp. 12941298, 2008.
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