Quasi-Elliptic Lossy Filter With Reconfigurable Bandwidth

Jiayu Rao; Hongliang Guo; Jia Ni; Jiasheng Hong

doi:10.1109/lmwt.2023.3285791

Quasi-Elliptic Lossy Filter With Reconfigurable Bandwidth

Jiayu Rao, Hongliang Guo, Jia Ni, Jiasheng Hong

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Abstract

This letter proposed a quasi-elliptic lossy filter with a wide tunable bandwidth and enhanced passband flatness. For adapting the limited circuit sizes, a new type of lossy technique named center-loaded resistive-cross-couplings (CLRCCs) is proposed. By loading resistor coupling at the centers of half-wavelength resonators, additional mid-passband losses can be introduced to flatten the passband. A bandwidth reconfigurable five-pole filter with a hybrid structure is developed for the examination. The measured promising results showed the superiority of the proposed novel lossy method for wideband tunable filters.

Original language	English
Pages (from-to)	1-4
Number of pages	4
Journal	IEEE Microwave and Wireless Technology Letters
Early online date	23 Jun 2023
DOIs	https://doi.org/10.1109/lmwt.2023.3285791
Publication status	E-pub ahead of print - 23 Jun 2023

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abstract = "This letter proposed a quasi-elliptic lossy filter with a wide tunable bandwidth and enhanced passband flatness. For adapting the limited circuit sizes, a new type of lossy technique named center-loaded resistive-cross-couplings (CLRCCs) is proposed. By loading resistor coupling at the centers of half-wavelength resonators, additional mid-passband losses can be introduced to flatten the passband. A bandwidth reconfigurable five-pole filter with a hybrid structure is developed for the examination. The measured promising results showed the superiority of the proposed novel lossy method for wideband tunable filters.",

author = "Jiayu Rao and Hongliang Guo and Jia Ni and Jiasheng Hong",

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Quasi-Elliptic Lossy Filter With Reconfigurable Bandwidth

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