Dual-Broadband Impedance Converter Based on Multiedge Frequency Matching Technique

In this letter, the dual-broadband impedance converter based on multiedge frequency matching techniques is presented. The proposed multiedge frequency matching method can realize the required impedance transformation at more than two frequency points, which makes it possible to break through the bot...

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Veröffentlicht in:IEEE microwave and wireless components letters 2021-11, Vol.31 (11), p.1203-1206
Hauptverfasser: Yu, Cuiping, Ma, Xincheng, Meng, Xiangyu, Liu, Yuanan, Duan, Xiangyang
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creator Yu, Cuiping
Ma, Xincheng
Meng, Xiangyu
Liu, Yuanan
Duan, Xiangyang
description In this letter, the dual-broadband impedance converter based on multiedge frequency matching techniques is presented. The proposed multiedge frequency matching method can realize the required impedance transformation at more than two frequency points, which makes it possible to break through the bottleneck of narrow band response in a scenario of conventional dual-band matching. A set of equations are derived from the transmission line theory, and then the design parameters of this dual-broadband converter can be easily solved. Besides, the proposed converter has the advantages of adjustable bandwidth at individual passband and high out of band rejection. The measurement results of the fabricated dual-broadband converter show good agreements with the simulations, which confirm the feasibility of the proposed design techniques. Specifically, the reflection coefficients {S}_{11} are less than −15 dB at a passband of 0.83-1.32 GHz and 2.04-2.48 GHz.
doi_str_mv 10.1109/LMWC.2021.3110100
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The proposed multiedge frequency matching method can realize the required impedance transformation at more than two frequency points, which makes it possible to break through the bottleneck of narrow band response in a scenario of conventional dual-band matching. A set of equations are derived from the transmission line theory, and then the design parameters of this dual-broadband converter can be easily solved. Besides, the proposed converter has the advantages of adjustable bandwidth at individual passband and high out of band rejection. The measurement results of the fabricated dual-broadband converter show good agreements with the simulations, which confirm the feasibility of the proposed design techniques. Specifically, the reflection coefficients &lt;inline-formula&gt; &lt;tex-math notation="LaTeX"&gt;{S}_{11} &lt;/tex-math&gt;&lt;/inline-formula&gt; are less than −15 dB at a passband of 0.83-1.32 GHz and 2.04-2.48 GHz.</description><identifier>ISSN: 1531-1309</identifier><identifier>ISSN: 2771-957X</identifier><identifier>EISSN: 1558-1764</identifier><identifier>EISSN: 2771-9588</identifier><identifier>DOI: 10.1109/LMWC.2021.3110100</identifier><identifier>CODEN: IMWCBJ</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Bandwidth ; Bandwidth extension ; Broadband ; Converters ; Design parameters ; Dual band ; dual-broadband converter ; Frequency conversion ; Impedance ; Matching ; Mathematical model ; multiedge frequency matching ; Passband ; Transmission line measurements ; Transmission lines</subject><ispartof>IEEE microwave and wireless components letters, 2021-11, Vol.31 (11), p.1203-1206</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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The proposed multiedge frequency matching method can realize the required impedance transformation at more than two frequency points, which makes it possible to break through the bottleneck of narrow band response in a scenario of conventional dual-band matching. A set of equations are derived from the transmission line theory, and then the design parameters of this dual-broadband converter can be easily solved. Besides, the proposed converter has the advantages of adjustable bandwidth at individual passband and high out of band rejection. The measurement results of the fabricated dual-broadband converter show good agreements with the simulations, which confirm the feasibility of the proposed design techniques. 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ispartof IEEE microwave and wireless components letters, 2021-11, Vol.31 (11), p.1203-1206
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2771-9588
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subjects Bandwidth
Bandwidth extension
Broadband
Converters
Design parameters
Dual band
dual-broadband converter
Frequency conversion
Impedance
Matching
Mathematical model
multiedge frequency matching
Passband
Transmission line measurements
Transmission lines
title Dual-Broadband Impedance Converter Based on Multiedge Frequency Matching Technique
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