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Abstract
The problem of electrodynamic analysis and synthesis of band-pass microwave filter based on L-ridged rectangular waveguide is solved. The possibilities of multilevel substrate integrated waveguide (SIW) filter structure implementation for ridged rectangular waveguides are discussed. The compact SIW filter with 4% pass-band and a stop-band attenuation level −60 dB is described.
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Disclosure statement
No potential conflict of interest was reported by the authors.
Additional information
Funding
This work was partially supported by RFBR [research project grant number 15–07-00410_a].