Quasi-Elliptic Lossy Filter With Reconfigurable Bandwidth

Jiayu Rao, Hongliang Guo, Jia Ni, Jiasheng Hong

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)
33 Downloads (Pure)

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 languageEnglish
Pages (from-to)1282-1285
Number of pages4
JournalIEEE Microwave and Wireless Technology Letters
Volume33
Issue number9
Early online date23 Jun 2023
DOIs
Publication statusPublished - 1 Sept 2023

Keywords

  • Center-loaded resistive-cross-couplings (CLRCCs)
  • lossy tunable filter
  • tunable transmission zeros
  • wide tunable ratios

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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