An example of suppression of spurious stop-bands of EBG band-stop filter
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Based on the well known theory of infinite periodic structures, analytical theory of EBG (electromagnetic band gap) cells suppressing 6 higher (spurious) stop-bands is developed. Using such cells in a cascade the straight-forward procedure for design of the corresponding EBG band-stop filter is proposed, with possibility to control the width and the depth of the stopband. The analytical theory is confirmed by the EM simulation of the filter realized in the microstrip technology.
Keywords:band-stop filter / suppression of spurious stop-bands / microstrip
Source:Mikrotalasna revija, 2011, 17, 2, 13-16
- Udruženje za mikrotalasnu tehniku i tehnologiju i IEEE MTT-S Chapter-a Srbije, Beograd
- Project MESTD, br. TR-11021