Filtronic Plc

Christine Blair

Mostafa Mohamed Taher AbuShaaban

A multiband filtering apparatus () for use in a communications system, said apparatus including a housing (); a plurality of cavities () disposed within said housing wherein each cavity includes a resonant structure, the resonant structure having at least one ceramic element (); at least one input port () coupled to a first resonator of said plurality of resonators; at least one output port () coupled to a second resonator of said plurality of resonators; and a closure member () adapted to engage said housing () and cap said cavities.

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Salisbury, MD, United States of America

Christine Blair