Repozytorium publikacji - Politechnika Gdańska

This letter presents a novel design for a 3-D-printed circular waveguide dual-mode (CWDM) filter with a modified cavity shape. The modification leads to a wide spurious-free stopband, which is highly desirable for channel separation in waveguide contiguous output multiplexers (OMUXs) in satellite communication systems. The new resonant cavity design is a result of applying shape deformation to a basic circular cavity in order to move away and suppress parasitic modes. A fourth-order Ku-band channel filter with two transmission zeros (TZs) is designed, fabricated by additive manufacturing (AM) in one piece and measured. In comparison with the state-of-the-art design of a stepped CWDM filter, an improvement of approximately 35% wider spurious-free range is achieved.

Autorzy

• Michał Baranowski link otwiera się w nowej karcie ,
• dr. inż. Łukasz Balewski,
• dr hab. inż. Adam Lamęcki link otwiera się w nowej karcie ,
• prof. dr hab. inż. Michał Mrozowski link otwiera się w nowej karcie ,
• Jaione Galdeano