article
Bandpass Filters Using Parallel Coupled Stripline Stepped Impedance Resonators
IEEE Transactions on Microwave Theory and Techniques · 1980 · Vol. 28(12) · pp. 1413–1417
Mitsuo Makimoto✉(Panasonic (Japan))Shun Yamashita(Panasonic (Japan))
Abstract
Approximate design formulas for bandpass filters using parallel coupled stripling stepped impedance resonators (SIR) are derived. The formulas take into account the arbitrary coupling length as well as quarter-wavelength coupling. Some advantages of this filter are its abilities to control spurious response and insertion loss by changing the structure of the resonator. Using the design formulas two experimental filters were designed and fabricated and their performances closely matched design data.
Microwave Engineering and WaveguidesAdvanced Antenna and Metasurface TechnologiesAntenna Design and AnalysisBand-pass filterResonatorStriplinePrototype filterElectrical impedanceDistributed element filterCoupling coefficient of resonatorsInsertion lossCoupling (piping)Electronic engineering
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References
Microwave filters, impedance-matching networks, and coupling structures
Proceedings of the IEEE · 1965 · 1,816 citations
Parallel-Coupled Transmission-Line-Resonator Filters
IEEE Transactions on Microwave Theory and Techniques · 1958 · 542 citations
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