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The aim of this work is to analyze the effect of tuning screws located at the cross iris of a dual-mode vacuum filled cylindrical waveguide filter. Dual-mode waveguide filters with and without cross iris screws are designed and manufactured. Their simulation and measurement results are compared. It is clear that the bandwidth of the filter (and als...
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... Accatino, Bertin, and Mongiardo (1997), an elliptical cross-sectional waveguide with rectangular input waveguide, Figure 1, is studied. This approach leads to higher power handling capability, higher Q, and there is no need for any coupling and tuning screws by the appropriate choice of the aspect ratio of the elliptical cross section. ...
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Citations
In this study, a Ka‐band dual‐mode dielectric resonator filter is studied. As a new approach, to mount the dielectric resonator on the input coupling slot, a mechanical protrusion is designed. By use of this structure, controlled source coupling and excitation via waveguide can be allowed. Compared with coaxial cable excitation, waveguide excitation allows high power handling capacity and less insertion loss.
