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In this paper, we propose a UWB bandpass filter composed of periodically-installed metallic posts in a rectangular waveguide, and study the basic behaviour both theoretically and experimentally. From the simulation, the wide passband from 5.95 GHz to 13.9 GHz and the well-suppressed out-of-passband were obtained, which results were verified experimentally. For the design of UWB response, we also study...
This paper proposed a UWB bandpass filter composed of asymmetric E-shaped electrodes. By tuning the length of the electrodes' fingers, the locations of the transmission zeros at the higher out-of-passband were synthesized separately and widely-suppressed out-of-passband response was realized. Compared with the symmetric model shown in Fig. 1 (a), the dimensions of the new model was 5.1 mm by 5.1 m...
We have reported a compact planar-type UWB bandpass filter with tightly coupled E-shaped electrodes by Y. Horii (2007). In this paper, a useful and practical design procedure for this filter is developed, and explained in details with full-wave simulations. In addition, the resulting model designed by the introduced procedure is demonstrated experimentally to confirm the theoretical predictions. Furthermore,...
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