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Efficient mode-matching design of substrate-integrated waveguide filters
2012 42nd European Microwave Conference
For the purpose of providing faster CAD algorithms for substrate-integrated waveguide (SIW) filter design, an efficient mode-matching technique uses a model to convert circular via holes to square shapes. It is demonstrated that a conversion based on the side length of the equivalent square via being equal to the arithmetic mean of the side lengths of the inscribed and circumscribed squares of the circular via provides results acceptable even for advanced filter design procedures. Severaldoi:10.23919/eumc.2012.6459310 fatcat:oaztidwlcvgsnovvsjfejsatu4