Study on a multi-stratified SIR comb-line filter with a narrow pass band

摘要

This paper proposes anew type of a multi-stratified SIR comb-line filter of narrow pass band utilizing conductor-bucked coplanear waveguides. It is shown through numerical simulations by means of the FD-TD method and experiments that the filtering characteristics can be controlled effectively by changing the coupling between the resonators composing the comb-line filter. We also show from both numerical simulations and experiments that it is possible to narrow the pass band by introducing, between the resonators, another sheet of conductor with a discontinuous patern.