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http://dx.doi.org/10.5515/KJKIEES.2013.24.5.515

Design and Implementation of 3-Dimensional Laminated Dielectric Ceramic Filter in Waveguide Using a DWFD Program  

Kim, Jong-Chel (Department of Physics, Sogang University)
Jang, Young-Soo (Department of Physics, Sogang University)
Kim, Seung-Wan (Department of Physics, Sogang University)
Lee, Kie-Jin (Department of Physics, Sogang University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.24, no.5, 2013 , pp. 515-524 More about this Journal
Abstract
The program for dielectric ceramic waveguide filter was developed based on the direct coupled filter of ${\lambda}/2$ step impedance prototype. This developed program was called DWFD(Direct coupled Waveguide Filter Design). The filter was designed by 3-dimensional laminated type to reduce the size at the 1 GHz. S scattering matrix for this filter was calculated using the DWFD program. The width of inductive irises for laminated filter was computed by HFSS simulation tool. This waveguide filter was designed by 8 poles with bandwidth 25 MHz at the center frequency 881.5 MHz. By using a dielectric constant 35.4 and laminated type, the size of filter was reduced with width 50 mm and height 48 mm rapidly. We can see that the measured results agree well with the HFSS simulation result. Finally, this paper is shown that the design and implementation of waveguide filters can be presented by using DWFD program simply.
Keywords
Dielectric; Waveguide Filter; Laminated-Type; DWFD Program; Ceramic;
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Times Cited By KSCI : 1  (Citation Analysis)
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