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- Title
On the modularized analysis method for ceramic‐filled waveguide cavity filters.
- Authors
Li, Jiayue; Xu, Qian; Yang, Xinmi; Lin, Xianqi
- Abstract
This article makes a systematic study on an analysis method called modularized analysis method (MAM) for both inline and cross‐coupled ceramic‐filled waveguide cavity filters (WCFs). Compared with full‐wave numerical analysis method, equivalent circuit model method (ECMM) and mode‐matching (MM) method, MAM achieves a good balance between accuracy and running speed. First, the network analysis principles of MAM through cumulative product of transfer matrices for inline WCFs and generalized connection method for cross‐coupled WCFs are presented. Second, the determination of split planes in process of module decomposition, the key factor affecting MAM for ceramic‐filled WCFs, is well examined. It is shown that setting split planes at chamfer ends is beneficial for improving the accuracy of MAM. Moreover, for cross‐coupled ceramic‐filled WCFs, an unequal‐chamfer scheme needs to be adopted in order to set split planes correctly. Third, three analysis examples are given to verify the effectiveness of MAM for both inline and cross‐coupled ceramic‐filled WCFs. Finally, the practicability of MAM in design of cross‐coupled ceramic‐filled WCFs is demonstrated by combining it with space mapping algorithm.
- Subjects
WAVEGUIDE filters; NUMERICAL analysis; TRANSFER matrix; MATRIX multiplications; RUNNING speed
- Publication
International Journal of RF & Microwave Computer-Aided Engineering, 2022, Vol 32, Issue 8, p1
- ISSN
1096-4290
- Publication type
Article
- DOI
10.1002/mmce.23216