Dual-band HTS filter using modified dual-spiral resonators

A.M. Abu Hudrouss, A.B. Jayyousi, M.J. Lancaster

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)


A symmetric dual-band filter with a centre frequency of 887MHz is presented. The filter uses a modified structure of dual spiral resonators with interdigital capacitive load. At the same resonant frequency, the resonator can occupy an area of less than 2.75 of the area of the square loop resonator. Moreover, the resonator has a very low sensitivity to substrate thickness. The resonator structure also allows two types of couplings and, hence, allows application of cross-couplings with different signs to the direct couplings.
Original languageEnglish
Pages (from-to)216-218
Number of pages3
JournalElectronics Letters
Issue number3
Publication statusPublished - 1 Jan 2010

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Copyright 2010 Elsevier B.V., All rights reserved.


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