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Prediction of power handling in tunable, high-Q, substrate-integrated, evanescent-mode cavity bandpass filters
- Authors
- Saeedi, S.; Lee, J.; Sigmarsson, H.
- Issue Date
- 12-5월-2016
- Publisher
- INST ENGINEERING TECHNOLOGY-IET
- Keywords
- band-pass filters; Q-factor; substrate integrated waveguides; microwave filters; waveguide filters; Butterworth filters; power handling; high-Q; evanescent-mode cavity bandpass filters; substrate-integrated waveguide filters; SIW filters; prediction approach; second-order Butterworth filter; circuit-electromagnetic codesign approach; power 26; 9 W; frequency 3; 0 GHz to 3; 6 GHz
- Citation
- ELECTRONICS LETTERS, v.52, no.10
- Indexed
- SCIE
SCOPUS
- Journal Title
- ELECTRONICS LETTERS
- Volume
- 52
- Number
- 10
- ISSN
- 0013-5194
- Abstract
- A circuit-electromagnetic (EM) co-design approach to predict the power handling of tunable, high-Q, substrate-integrated waveguide (SIW) bandpass filters is presented. The prediction approach is directly applied to a heavily-loaded evanescent-mode cavity filter in bandpass domain. To demonstrate the validity of the design method for structures with severe aspect ratios, a 4% second-order Butterworth, evanescent-mode cavity SIW bandpass filter, with a continuous tuning range from 3.0 to 3.6 GHz is designed, fabricated, and tested. The filter handles 26.9 W of continuous-wave power at 3.0 GHz as predicted.
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