Knowles Cazenovia, Inc.

Jared Burdick

Pierre Nadeau

An electromagnetic waveguide including conductive material on upper lower, and side surfaces of a dielectric is disclosed. A conductive excitation member is electrically coupled to the conductive material on the upper surface of the dielectric and extends to the lower surface of the dielectric at or near an end surface of the dielectric. The conductive excitation member includes a host interface flange separated and electrically isolated from the conductive material on the lower surface of the dielectric. The conductive material on the lower surface of the dielectric can be a ground plane and the waveguide can be a surface-mountable component.

Substrate-mountable electromagnetic waveguide

A band stop filter can include a circuit board having a first surface and an opposing second surface. The circuit board can have a transmission line on the first surface. The band stop filter can include a dielectric cavity resonator physically coupled to the second surface of the circuit board. The dielectric cavity resonator can have a coupling aperture configured to magnetically couple the dielectric cavity resonator to the transmission line, and to cause excitation of the dielectric cavity resonator in a second order transverse electric (TE) mode.

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Fayetteville, NY, United States of America

Jared Burdick