Double Ridged Waveguide Low Pass Filters for Satellite application

Waveguide low pass filters (LPFs) are used widely in satellite payload for its stop-band performance. Design procedure for double ridged waveguide LPF with wider stop-band is presented in this paper, the rectangular and ridged waveguide discontinuity junctions are simulated by modal S- matrix method...

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Bibliographic Details
Main Authors: Shengxian Li, Junmei Fu, Xuda Wu
Format: Conference Proceeding
Language:English
Subjects:
design
double-ridged waveguide
Electromagnetic waveguides
good stop-band performance
low pass filter
Low pass filters
Microwave filters
Rectangular waveguides
Satellite broadcasting
Space technology
Waveguide components
Waveguide discontinuities
Waveguide junctions
Waveguide theory
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Summary:Waveguide low pass filters (LPFs) are used widely in satellite payload for its stop-band performance. Design procedure for double ridged waveguide LPF with wider stop-band is presented in this paper, the rectangular and ridged waveguide discontinuity junctions are simulated by modal S- matrix method, and such waveguide junctions and waveguide sections are cascaded to obtain the whole S-parameters of LPF. Final, the structure parameters of LPF are achieved through optimization. As an example, a Ku-band double ridged waveguide LPF is realized, and the measured response agree well with the predicted values.
DOI:10.1109/MAPE.2007.4393636