| Summary: | 碩士 === 國立海洋大學 === 電機工程學系 === 91 === In this thesis, the coupling between the resonators is used to design the multiple-folded hairpin bandpass filters. In the design, the center frequency, the bandwidth, the insertion and return losses in the passband, and the attenuation slope in the stopband are important parameters to be considered.
In this thesis, the design theory of the multiple-folded hairpin bandpass filters is analyzed firstly. Next, the hairpin bandpass filters with S-type and M-type folded resonators are designed and realized, respectively. Finally, the characteristics of these two filters are measured and compared with the simulation results.
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