Bandpass Filters Using Parallel Coupled Strip-Line Stepped Impedance Resonators
作者： M. Makimoto , S. Yamashita
DOI: 10.1109/TMTT.1980.1130258
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摘要: Approximate design formulas for bandpass filters using parallel coupled stripling stepped impedance resonators (SIR) are derived. The take into account the arbitrary coupling length as well quarter-wavelength coupling. Some advantages of this filter its abilities to control spurious response and insertion loss by changing structure resonator. Using two experimental were designed fabricated their performances closely matched data.
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