A study on characteristics of High Efficiency and Wideband Microstrip Band Pass Filter for Wireless Data Communication

作者： Sung-Hae Song , Sang-Jae Lee , Won-Woo Park , Young-Hun Lee

DOI:

关键词: Stub (electronics) 、 Insertion loss 、 Physics 、 Frequency band 、 Constant k filter 、 Microstrip 、 Band-pass filter 、 m-derived filter 、 Acoustics 、 Frequency response 、 Electronic engineering

摘要: This paper presents a compact, low insertion loss, sharp rejection and wide band microstrip pass filter that is composed rectangular loop resonator step-impedance-open-stub(SIOS) for wireless data communication. The SIOS can be reduce length about 30% more than general 0.25 stub. And stubs have the advantage of tuning impedance magnitude. In order to demonstrate agrement this prove, optimized filters are realized experimented. A transmission line model used calculate frequency response new shows good agreement with measurements. perturbation has four poles at band, excited 3.610GHz, 4.265GHz 8.494GHz, 9.056GHz high band. 3dB fractional bandwidth 57%(3.695GHz), an loss better 0.37dB from 4.549GHz 8.244GHz, two greater 30dB within 237MHz(4.312GHz 4.549GHz) 234MHz(8.244GHz-8.491GHz)

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A study on characteristics of High Efficiency and Wideband Microstrip Band Pass Filter for Wireless Data Communication

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A study on characteristics of High Efficiency and Wideband Microstrip Band Pass Filter for Wireless Data Communication

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