Abstract
This paper presents a structure for precise positioning of inserts in waveguide filters. Here, the model of the dual-mode bandstop waveguide filter of the third order, using split ring resonators, is considered. Split ring resonators are implemented as printed-circuit inserts in a form of reduced dielectric plates, supported by thin dielectric strips. The challenge of such design is to develop the model with stable printed-circuit inserts, which actually emulates the filter implementation, without degradation of the filter performance.
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