RF Balanced-to-Single-Ended Out-of-Phase/3-dB Filtering Power Divider With Differential-Mode Input-Quasi-Reflectionless Behavior

Zhao, Xi-Bei; Wei, Feng; Yang, Li; Gómez-García, Roberto

doi:10.1109/lmwt.2024.3372393

IEEE Microw. Wireless Tech. Lett.

2024

DOI: 10.1109/lmwt.2024.3372393

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RF Balanced-to-Single-Ended Out-of-Phase/3-dB Filtering Power Divider With Differential-Mode Input-Quasi-Reflectionless Behavior

Xi-Bei Zhao,

Feng Wei,

Li Yang

et al.

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2024

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Cited by 3 publications

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High‐selectivity wideband four‐way filtering power divider with input absorptive feature

Zhang,

Liu,

Wang

et al. 2024

Circuit Theory & Apps

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In the paper, a high‐selectivity wideband four‐way filtering power divider with input absorptive feature is presented. It consists of two parallel‐coupled lines (CLs), two three‐coupled lines (TCLs), two open‐ended stepped branches, one absorptive branch, and two isolation resistors. The wideband filtering response is achieved by cascading the TCLs and CLs. While high selectivity is obtained by loading the open‐ended stepped branch, where two extra transmission zeros are generated. In addition, wide absorptive bandwidth with good isolations between adjacent output ports are realized by combining the absorptive branch with the isolation resistors. Equations are derived by using the two‐parity mode analysis, and main parameters are investigated in detail. For validation, a prototype was designed and fabricated. Test results show that the 3‐dB FBW can reach 87% with a 10‐dB input absorptive FBW of 200%. Besides, for the output ports with 10‐dB return loss and 10‐dB isolation, the FBWs are 94% and 91.5%, respectively. It also features high frequency selectivity and low insertion loss.

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High‐selectivity wideband four‐way filtering power divider with input absorptive feature

Zhang,

Liu,

Wang

et al. 2024

Circuit Theory & Apps

View full text Add to dashboard Cite

show abstract

Experimental Demonstration of Op-Amp-Based Negative Inductor in Microwave Regime

Vishwakarma,

Aakash,

Yadav

et al. 2024

IEEE Microw. Wireless Tech. Lett.

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Planar Balanced Full-Passband Linear-Phase Dual-Port Absorptive Filter Based on Negative Group Delay Equalized Compensation

Zhao,

Wang,

Liu

et al. 2024

IEEE Trans. Signal and Power Integr.

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RF Balanced-to-Single-Ended Out-of-Phase/3-dB Filtering Power Divider With Differential-Mode Input-Quasi-Reflectionless Behavior

Cited by 3 publications

References 17 publications

High‐selectivity wideband four‐way filtering power divider with input absorptive feature

High‐selectivity wideband four‐way filtering power divider with input absorptive feature

Experimental Demonstration of Op-Amp-Based Negative Inductor in Microwave Regime

Planar Balanced Full-Passband Linear-Phase Dual-Port Absorptive Filter Based on Negative Group Delay Equalized Compensation

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