Design and Realization of Chebyshev Bandstop Filters Based on Ceramic Resonators

Jonas F. Tiede, Thomas F. Eibert

Research output: Contribution to journalArticlepeer-review


Distributed bandpass or band-reject filters generally become larger as the design center frequency decreases. To achieve suitable filters with small dimensions even at center frequencies below 2gGHz, ceramic resonators can be used. These components essentially represent transmission lines with a specified, potentially large permittivity, making them physically short while maintaining a desired electrical length. In this paper, Chebyshev-approximated band-reject filters using capacitors and transmission lines, the latter being represented by ceramic resonators, are investigated. Three filter prototypes are built and their performance is evaluated by measurements. Reasonable bandstop filter properties are found, which are the better the narrower the filter bandwidth is.

Original languageEnglish
Pages (from-to)117-126
Number of pages10
JournalAdvances in Radio Science
StatePublished - 17 Dec 2021


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