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In order to solve the impedance matching problem encountered in the rectangular waveguide filter design, the corresponding modeling, parameter extracting and designing are presented. The moment method is introduced to analysis the input impedance of the probe located in an arbitrary position of the waveguide broad side, then, with the use of 3 cavities(More)
The singlet, which contains one resonator and generates one transmission zero, has been introduced as the most basic building block for modular design of elliptic filters. In this paper, we present a computer aided design approach for singlet design. The proposed CAD approach is applied to the design of a singlet with center frequency 28 GHz. It shows good(More)
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