Compact phase shifter using arbitrary length of two coupled transmission lines
IET Circuits, Devices and Systems, 2021 This article presents a compact structure of two coupled transmission lines with two reactive loads for the tunable phase shifter using a printed‐circuit board. The proposed circuit offers size reduction and wide phase shift range.
Tso‐Jung Chang +3 more
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Shielded coupled multilayered microstrip lines analysis using HBEM [PDF]
Serbian Journal of Electrical Engineering, 2016 Shielded symmetrical coupled multilayered microstrip lines analysis have been done using the hybrid boundary element method (HBEM), which is developed a few years ago at the Faculty of Electronic Engineering in Niš.
Perić Mirjana T. +2 more
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Low-Noise Voltage Controlled Oscillator with Coupled Microstrip Lines of Different Lengths
Известия высших учебных заведений России: Радиоэлектроника, 2020 Introduction. Coupled two- or three-wire microstrip lines are often used to reduce a phase noise of voltage-controlled oscillators (VCOs). Unfortunately, the phase noise was not optimized depending on the lengths of a three-wire coupled microstrip lines ...
Aleksander V. Baranov
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Design of Ultra-Wideband (UWB) Bandpass Filters Based on Interdigital Edge Coupled Lines: A Review [PDF]
ITM Web of Conferences, 2022 Since several decades ago, parallel coupled lines have found an extensive range of applications in order to design microwave circuits such us filter, impedance transformers and couplers.
Firmli Maroua, Zatni Abdelkarim
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Design, Modeling and Synthesis of Negative Group Delay IL-Shape Topology
IEEE Access, 2019 This paper introduces a negative group delay (NGD) theory of passive topology presenting “IL”-shape geometry. The two-port topology is comprised of a coupled line with an open- and stub-loaded terminations.
Blaise Ravelo +3 more
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A Multiphysics Analysis of Coupled Electromagnetic-Thermal Phenomena in Cable Lines
Energies, 2021 The paper is focused on numerical modeling of multi-strand cable lines placed in free air. Modeling is carried out within the framework of the so-called multi-physics approach using commercial software.
Artur Cywiński, Krzysztof Chwastek
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A Compact Single-Layer Ultra-Wideband Phase Shifter Using Weakly Coupled Lines
IEEE Access, 2019 This paper presents a novel compact single-layer ultra-wideband phase shifter using weakly coupled lines, which contains a main line and a reference line. The basic equations of this phase shifter are calculated based on the even-odd mode theory.
Qingxiang Dong +4 more
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Reflection-Type Topologies With Arbitrary Wideband Flat Group Delays Using Coupled Lines
IEEE Access, 2018 This paper presents the analytical design techniques of several reflection-type group delay (GD) circuits (types-I-III) with arbitrarily prescribed wideband flat GD responses using λ/4-coupled lines.
Girdhari Chaudhary, Yongchae Jeong
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IET Microwaves, Antennas & Propagation, 2021 A dual‐path coupled‐line circular ring resonator filter synthesis is presented. The topology comprises identical coupled lines in series duplicated to form dual‐path coupled‐line interconnections.
Siti Aminah Nordin +3 more
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Super High-Selectivity Fifth-Order Bandpass Filter with Twelve Transmission Zeros [PDF]
Radioengineering, 2018 A fifth-order bandpass filter (BPF) with super high selectivity using three pairs of coupled lines and two open stubs is proposed. Twelve transmission zeros (TZs) from 0 to 2f_0 (f_0 denotes center frequency of the passband) and five transmission poles ...
Y.-J. Cai +3 more
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