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Journal Article An accurate tuning method for dual‐mode cavity filters
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Authors
Juseop Lee, Man Seok Uhm, In-Bok Yom, Seong Pal Lee
Issue Date
2003-07
Citation
Microwave and Optical Technology Letters, v.38, no.2, pp.123-125
ISSN
0895-2477
Publisher
Wiley
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.1002/mop.10991
Abstract
An accurate tuning method using a short-ended dummy cavity is presented for dual-mode cavity filters. Tuning is based on the match of the computed and measured phase responses of the reflection coefficient. An equivalent circuit model is adopted for computing the required phase response of the reflection coefficient. This method is applied to a 4-pole longitudinal dual-mode filter for demonstration. Good agreement is found between the experimental and computed responses.
KSP Keywords
Dummy cavity, Reflection Coefficient, Tuning method, dual-mode filter, equivalent circuit model(ECM), phase response