A novel dual-band branch line coupler for dual-band butler matrix

AM Zaidi, BK Kanaujia, MT Beg… - … on Circuits and …, 2019 - ieeexplore.ieee.org
In this brief, a novel dual-band branch line coupler (BLC) for designing a dual-band Butler
matrix (BM) has been proposed. To realize the proposed BLC, a unique dual-band …

Planar dual-band branch-line coupler with large frequency ratio

L Xia, JL Li, BA Twumasi, P Liu, SS Gao - IEEE Access, 2020 - ieeexplore.ieee.org
This work presents a novel planar branch-line coupler topology developed for dual-band
operation using an E-shaped impedance transformer network to supplant the conventional …

A new dual band 4× 4 butler matrix with dual band 3 dB quadrature branch line coupler and dual band 45° phase shifter

AM Zaidi, SA Imam, BK Kanaujia, K Rambabu… - … -International Journal of …, 2019 - Elsevier
A new dual band 4× 4 butler matrix (BM) without crossover has been proposed,
implemented and analyzed in this paper. A new dual band 45° phase shifter has also been …

A dual band branch line coupler with wide frequency ratio

AM Zaidi, MT Beg, BK Kanaujia, K Srivastava… - IEEE …, 2019 - ieeexplore.ieee.org
A dual-band quadrature branch line coupler (BLC) with wide frequency ratio has been
proposed in this paper. A dual-band quarter wave (λ/4) transmission line structure with wide …

[PDF][PDF] A new coupled-line based dual-band branch-line coupler with port-extensions

R Islam, AI Omi, MA Maktoomi, C Zakzewski… - Progress In …, 2021 - academia.edu
In this paper, a coupled-line based dual-band branch-line coupler with port-extensions is
presented. The configuration of the coupler consists of a single coupled-lines section, two …

On the Design of A High Band-Ratio Mid-Section Crossed Dual-Band Branch-Line Coupler with Arbitrary Power Division Ratio Using Perturbation Factor

AI Omi, MH Maktoomi, MA Maktoomi, PK Sekhar - IEEE Access, 2024 - ieeexplore.ieee.org
This article presents a Mid-section crossed dual-band Branch-Line Coupler (MBLC) with
port extensions, along with a new design methodology for both complex and conventional …

Hexa-band branch line coupler and Wilkinson power divider for LTE 0.7 GHz, LTE 1.7 GHz, LTE 2.6 GHz, 3.9 GHz, public safety band 4.9 GHz, and WLAN 5.8 GHz …

AM Zaidi, MT Beg, BK Kanaujia… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
A hexa-band branch line coupler (BLC) and Wilkinson power divider (WPD) for long term
evolution (LTE) 0.7 GHz, LTE 1.7 GHz, LTE 2.6 GHz, 3.9 GHz, public safety band (PSB) 4.9 …

Small size dual-band coupled-line coupler for WiMAX applications

S Sedighi Maragheh, M Rahimi, I Chaharmahali… - Frequenz, 2024 - degruyter.com
In this paper, a symmetric compact dual-band coupled-line coupler is proposed using
microstrip transmission lines, circular resonators, and spiral lines for WiMAX applications …

A Comprehensive Review of Planar Directional Coupler Performance Improvement Techniques

K Abouhssous, A Zugari, A Zakriti - … and Radio Engineering, 2022 - dl.begellhouse.com
In this review, a full review of different designs and types of planar directional couplers is
presented, taking into account various design aspects such as compactness, multiband …

A Symmetrical Fractal-based Balanced Branch-Line Coupler for Simultaneous Low-and Mid-band 5G Frequencies Applications

AB Shallah, F Zubir… - The Applied …, 2023 - journals.riverpublishers.com
Symmetry is a key factor for Branch-Line Couplers (BLCs) in RF and microwave systems.
This balanced approach evenly distributes power between two output ports, aiding …