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Substrate integrated waveguide bandstop filter using partial-height via-hole resonators in thick substrate
2015
IET Microwaves, Antennas & Propagation
A substrate integrated waveguide (SIW) bandstop filter on thick substrate is introduced. The increased substrate height permits partial-height via holes to act as resonators whose interaction provides a wide range of possible coupling coefficients that result in wideband bandstop filters. In contrast to ridged all-metal waveguide filters, SIW filters with partial-height via holes maintain a small profile, low manufacturing cost and they can be integrated with other planar circuitry such as
doi:10.1049/iet-map.2015.0141
fatcat:hq6hb5ywbvfrrh4qbf4k6dlryq