Uniplanar Compact 180° Hybrid Coupler With Fast and Accurate Wide Power-Division Ratio Switching Ranges and Enhanced Bandwidth

Zheng, Yana; Wu, Yongle; Wang, Weimin; Pan, Leidan

doi:10.1109/tmtt.2023.3280062

Cited by 4 publications

(1 citation statement)

References 36 publications

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“…In recent years, tunable and reconfigurable couplers [6], [18], [19], [20], [21], [22], [23], [24], [25] [26], [27] [28], [29] are investigated by several researchers. The tunability of these couplers is obtained using tunable TLs.…”

Section: Introductionmentioning

confidence: 99%

Solutions for Quadrature/Non-Quadrature Branch Line Coupler with Equal/Unequal Power Division

Sinha

2024

Preprint

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The four-port couplers are the fundamental building blocks of large-scale passive beam-forming network design. They find application in the design of antenna feed networks, power combiners and dividers, balanced mixers and amplifiers. Conventional branch-line couplers (BLCs) were designed for quadrature-phase imbalance using four quarter-wavelength transmission lines (TLs). On the other hand, conventional rat-race couplers (RRCs) are designed for in-phased/out-of-phased imbalance using six identical quarter-wavelength TLs. To obtain a non-quadrature phase-shift, external phase shifters are required. Recently, BLCs with inherent non-quadrature phase imbalance properties have received attention among microwave researchers. There are several types of implementation such as lumped, distributed, and mixed with different topologies, that have been proposed by several researchers. It is quite challenging for young researchers to extract all possible design data from the design equations and simulate them to understand their figure of merits. This motivates the author to provide solutions for non-quadrature unequal power division BLCs.

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Section: Introductionmentioning

confidence: 99%

Solutions for Quadrature/Non-Quadrature Branch Line Coupler with Equal/Unequal Power Division

Sinha

2024

Preprint

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Solutions for Quadrature/Nonquadrature Branch Line Coupler With Equal/Unequal Power Division [Application Notes]

Sinha

2024

IEEE Microwave

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Comments on “Uniplanar Compact 180° Hybrid Coupler With Fast and Accurate Wide Power-Division Ratio Switching Ranges and Enhanced Bandwidth”

Sinha

2024

IEEE Trans. Microwave Theory Techn.

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Uniplanar Compact 180° Hybrid Coupler With Fast and Accurate Wide Power-Division Ratio Switching Ranges and Enhanced Bandwidth

Cited by 4 publications

References 36 publications

Solutions for Quadrature/Non-Quadrature Branch Line Coupler with Equal/Unequal Power Division

Solutions for Quadrature/Non-Quadrature Branch Line Coupler with Equal/Unequal Power Division

Solutions for Quadrature/Nonquadrature Branch Line Coupler With Equal/Unequal Power Division [Application Notes]

Comments on “Uniplanar Compact 180° Hybrid Coupler With Fast and Accurate Wide Power-Division Ratio Switching Ranges and Enhanced Bandwidth”

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