Referenced Items are not available for this document.
Stepped-impedance resonators have been thoroughly studied in this paper. Two equations for odd- and even-mode resonance are derived from a new network model. The size and resonant frequencies of the resonator could then be designed based on these two equations. A new resonator-embedded cross-coupled filter, constructed by stepped-impedance hairpin resonators and miniaturized hairpin resonators is presented. This new filter is very compact and has lower spurious response. A 0° feed structure, which adds two transmission zeros to the filter response, is also studied. The two zeros are so close to the passband that the selectivity and out-of-band rejection of the filter are significantly increased. The design has been verified by experiment results
Published in:
Microwave Theory and Techniques, IEEE Transactions on
(Volume:48
,
Issue:
12
)
Date of Publication: Dec 2000
- Page(s):
- 2482 - 2490
- ISSN :
- 0018-9480
- INSPEC Accession Number:
- 6842534
- Digital Object Identifier :
- 10.1109/22.899002
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- Dec 2000
- Sponsored by :
- IEEE Microwave Theory and Techniques Society
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