An electronically tuned bandstop filter using BST varactors

Young Hoon Chun, Jia Sheng Hong, Peng Bao, Timothy J. Jackson, Michael J. Lancaster

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)


This paper presents an investigation of a tunable bandstop filter using Barium-Strontium-Titanate (BST) varactors. 3-pole bandstop filter with varactors is fabricated on MgO substrate. It is measured at the center frequency from 8.77 to 9.26 GHz and its maximum rejection is more than 26 dB at the stop band while the insertion loss at the pass band is less than 2 dB. © 2008 EuMA.

Original languageEnglish
Title of host publicationProceedings of the 1st European Wireless Technology Conference, EuWiT 2008
Number of pages4
Publication statusPublished - 2008
Event38th European Microwave Conference 2008 - Amsterdam, Netherlands
Duration: 27 Oct 200831 Oct 2008


Conference38th European Microwave Conference 2008
Abbreviated titleEuMC 2008


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