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   Articles with "coupled line" as a keyword



Compact Band-Pass Filters Based on Parallel-Coupled Lines with Open Stubs

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recommendations! Published in 2018 at "Wireless Personal Communications"

DOI: 10.1007/s11277-018-5337-x

Abstract: Abstract In this paper, two parallel coupled line band-pass filters are proposed. The proposed parallel coupled line band-pass filters are composed of the parallel coupled lines and open stubs. The equivalent circuit of the proposed… read more here.

Keywords: band pass; pass filters; coupled line; parallel coupled ... See more keywords

A class of coupled-line trans-directional coupler with independent or simultaneous tuned frequency, coupling coefficient and phase difference

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recommendations! Published in 2020 at "AEU - International Journal of Electronics and Communications"

DOI: 10.1016/j.aeue.2020.153200

Abstract: Abstract The paper reports on the design of coupled-line trans-directional (CL-TRD) coupler with independent or simultaneous tuned frequency, coupling coefficient and phase difference (PD). Based on the proposed structure, four kinds of couplers are exhibited,… read more here.

Keywords: phase; frequency; coupled line; tuned coupler ... See more keywords

Broadband coupled-line directional couplers with high impedance transformation ratio

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recommendations! Published in 2017 at "International Journal of Microwave and Wireless Technologies"

DOI: 10.1017/s1759078717000113

Abstract: A new class of 3-dB impedance transforming directional couplers has been proposed in which the recently published coupled-line couplers, consisting of coupled-line sections having different electrical lengths, have been utilized. The main advantage of the… read more here.

Keywords: directional couplers; coupled line; impedance transformation; impedance ... See more keywords

Design of the quasi-0 dB backward wave-coupled line coupler using CRLH-TL based on stepped-impedance open stub-loaded dual-mode resonator

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recommendations! Published in 2020 at "Journal of Electromagnetic Waves and Applications"

DOI: 10.1080/09205071.2020.1758221

Abstract: ABSTRACT This paper demonstrates symmetric backward wave quasi-0 dB coupled line coupler (CLC) based on the globe shaped composite right/left-handed transmission line (GS-CRLH-TL). The proposed CLC shows quasi-0 dB backward wave coupling with measured maximum… read more here.

Keywords: backward wave; line coupler; coupled line; quasi backward ... See more keywords

A novel design methodology for asymmetric coupled line passive devices and its application in impedance transformers

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recommendations! Published in 2024 at "Journal of Electromagnetic Waves and Applications"

DOI: 10.1080/09205071.2024.2324835

Abstract: ABSTRACT This article presents a novel design methodology for asymmetric coupled line passive devices. Based on the extraction of distributed parameters of coupled lines from S-parameters, we re-derived modal characteristic parameters and Z matrix of… read more here.

Keywords: methodology; asymmetric coupled; design; coupled line ... See more keywords
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Broadband Equal-Split Directional Couplers Composed of Cascade- and Tandem-Connected Coupled-Line Sections Having Unequal Lengths

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recommendations! Published in 2021 at "IEEE Access"

DOI: 10.1109/access.2021.3106901

Abstract: A new concept of broadband equal-split coupled-line directional couplers is proposed. The proposed couplers are based on coupled-line sections, all having the same coupling coefficient, and feature frequency characteristics similar to the ones obtained for… read more here.

Keywords: broadband equal; line sections; line; directional couplers ... See more keywords

Miniaturized Frequency Controllable Band-Stop Filter Using Coupled-Line Stub-Loaded Shorted SIR for Tri-Band Application

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recommendations! Published in 2017 at "IEEE Microwave and Wireless Components Letters"

DOI: 10.1109/lmwc.2017.2711532

Abstract: Based on the coupled-line stub-loaded shorted stepped-impedance resonator (CLSLSSIR), a compact microstrip tri-band band-stop filter (TB-BSF) with controllable frequencies, stopband attenuations (SAs), and sharp transition band roll-off skirts has been presented. The proposed CLSLSSIR exhibits… read more here.

Keywords: line; stub loaded; band; coupled line ... See more keywords

Wideband Three-Section Symmetrical Coupled-Line Directional Coupler Operating in Differential Mode

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recommendations! Published in 2018 at "IEEE Microwave and Wireless Components Letters"

DOI: 10.1109/lmwc.2018.2824565

Abstract: In this letter, a concept of wideband multisection symmetrical coupled-line directional couplers operating in a differential mode has been presented for the first time. The required different coupling coefficients for each of the coupled-line sections… read more here.

Keywords: line directional; differential mode; line; operating differential ... See more keywords
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Wiggly Parallel-Coupled Line Design by Using Multiobjective Evolutionay Algorithm

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recommendations! Published in 2018 at "IEEE Microwave and Wireless Components Letters"

DOI: 10.1109/lmwc.2018.2848475

Abstract: This letter proposes a new optimization technique for wiggly parallel-coupled line (PCL) structure design. Compared with other existing wiggly PCL design approach, our proposed technique does not require complicated math formula derivation and is able… read more here.

Keywords: parallel coupled; coupled line; wiggly parallel; line design ... See more keywords
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A D-band SiGe Power Amplifier Using a 4-way Coupled Line Wilkinson Combiner

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recommendations! Published in 2021 at "IEEE Microwave and Wireless Components Letters"

DOI: 10.1109/lmwc.2021.3097017

Abstract: This paper presents a 4-way power-combined D-band SiGe power amplifier (PA) which simultaneously achieves high output power and high efficiency. A 4-to-1 planar coupled-line Wilkinson combiner is used, which has low loss and provides broadband… read more here.

Keywords: sige power; band sige; power; power amplifier ... See more keywords

Millimeter-Wave On-Chip Ultrawideband Bandpass Filter on Coupled Line Based Bi-Path Topology Using GaAs Technology

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recommendations! Published in 2025 at "IEEE Transactions on Components, Packaging and Manufacturing Technology"

DOI: 10.1109/tcpmt.2024.3519369

Abstract: In this article, using gallium arsenide (GaAs) technology, a revolutionary millimeter-wave on-chip ultrawideband (UWB) bandpass filter (BPF) with greatly enhanced operation performance is demonstrated for the first time. By utilizing quarter wavelength short-circuited lines with… read more here.

Keywords: gaas technology; topology; chip; coupled line ... See more keywords