Analysis of Frequency-Selective Impedance Loading of Transmission Lines for Dual-Band Couplers

Karun Rawat; Fadhel M. Ghannouchi; Meenakshi Rawat; Mohammad S. Hashmi

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Analysis of Frequency-Selective Impedance Loading of Transmission Lines for Dual-Band Couplers

机译：双频耦合器传输线的选频阻抗负载分析

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摘要

This article proposes an analytical design methodology for dual-band hybrid couplers and baluns structures for any arbitrary frequency ratio using a stub-loaded transmission line. An analysis of changing the impedance behavior of the stub, is carried out for the two bands of operation, which along with a dispersive analysis, emphasizes certain conditions where the existing methodology is not applicable. In addition, an extra degree of freedom has been included to increase the solutions for a given frequency ratio, thus providing greater flexibility and feasibility of the proposed structure. The design methodology is experimentally validated with the design and fabrication of dual-band branch-line and rat-race couplers for various commercial frequency bands.

机译：本文提出了一种使用短负载传输线的任意频率比率的双频混合耦合器和巴伦结构的分析设计方法。针对两个工作频带进行了改变短截线阻抗行为的分析，并与色散分析一起强调了某些条件，其中现有方法不适用。另外，还包括额外的自由度，以增加给定频率比的解决方案，从而为所提出的结构提供更大的灵活性和可行性。该设计方法论已通过针对各种商业频段的双频带分支线和鼠种族耦合器的设计和制造进行了实验验证。

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来源
《International journal of RF and microwave computer-aided engineering》 |2011年第3期|p.325-335|共11页
作者
Karun Rawat; Fadhel M. Ghannouchi; Meenakshi Rawat; Mohammad S. Hashmi;
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作者单位

Department of Electrical and Computer Engineering, University of Calgary, Alberta, Canada T2N 1N4;

Department of Electrical and Computer Engineering, University of Calgary, Alberta, Canada T2N 1N4;

Department of Electrical and Computer Engineering, University of Calgary, Alberta, Canada T2N 1N4;

Department of Electrical and Computer Engineering, University of Calgary, Alberta, Canada T2N 1N4;

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正文语种 eng
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关键词
stub-loaded line; dual-band; rat-race balun; branch-line hybrid; commercial communi-cation bands; dispersion; microstrip; transmission line; couplers; GSM; CDMA; WiMax; WCDMA;

机译：存根线双频;大鼠种族巴伦支线杂交商业通信频段;分散;微带传输线耦合器GSM;CDMA;WiMax;WCDMA;

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5. COUPLED-MODE ANALYSIS OF NONUNIFORM COUPLED TRANSMISSION LINES. [D] . ADAIR, JAMES EDWIN. 1968

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6. A Novel High-Power Dual-Band Coupled-Line Gysel Power Divider with Impedance-Transforming Functions [O] . Weimin Wang, Yongle Wu, Yuanan Liu -1

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8. Normal Mode Impedances of a Coupled Pair of Microstrip Transmission Lines [R] . Bryant, T. G., Weiss, J. A. 1968

机译：耦合微带传输线的正常模式阻抗

Analysis of Frequency-Selective Impedance Loading of Transmission Lines for Dual-Band Couplers

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