Substrate integrated waveguide (SIW) inductive window band-pass filter based on post-wall irises

Author: Nouri K.   Haddadi K.   Benzaïm O.   Lasri T.   Feham M.  

Publisher: Edp Sciences

E-ISSN: 1286-0050|53|3|33607-33607

ISSN: 1286-0042

Source: EPJ Applied Physics (The), Vol.53, Iss.3, 2011-02, pp. : 33607-33607

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Abstract

In this article, we demonstrate a new inductive-window 5.245-GHz-band-pass filter based on post-wall irises by standard PcBprocess on Epoxy FR4 substrate. A new and easy to build microstrip-to-waveguide transition that consists of three tapers isalso designed to connect the filter to standard measurement system. Both simulated results and measurements have showninsertion-loss lower than 5 dB within 14% bandwidth around 5.245 GHz and input return loss better than 25 dB over the frequency range.