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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국전자파학회JEES Journal of Electromagnetic Engineering And Science Journal of Electromagnetic Engineering And Science Vol.18 No.1
- 발행연도
- 2018.1
- 수록면
- 41 - 45 (5page)
이용수
초록· 키워드
오류제보하기
In this study, a short-ended coupled line with a short-circuit stub transmission line bandpass filtering impedance transformer is presented. The general designed equations are derived on the basis of circuit theory. The design curves are provided to examine the characteristic of the proposed impedance transformer. The proposed circuit is suitable for high termination impedance. To validate the design formulas, a 400–50 Ω impedance transformer is designed and fabricated at the operating center frequency (f0) of 2.6 GHz. The measured results show a good agreement with the simulation. The measured insertion and return losses are 0.6 dB and 22.5 dB at f0, respectively. The measured return loss is higher than 20 dB within the passband frequency of 2.51–2.7 GHz. Moreover, the stopband attenuation is higher than 25 dB from DC to 1.64 GHz of the lower stopband and from 3.12 GHz to 6.4 GHz of the higher stopband.
목차
Abstract
I. INTRODUCTION
II. DESIGN EQUATION
III. SIMULATION AND MEASUREMENT RESULTS
IV. CONCLUSION
REFERENCES
참고문헌 (11)
참고문헌 신청
[학술대회논문] - P. Kim / 2015 / A design of unequal termination impedance power divider with filtering and out-of-band suppression characteristic / Proceedings of the 45th European Microwave Conference (EuMC) : 123 ~ 126
[학술지(정기간행물)] - B. J. Xiang / 2017 / Wideband circularly polarized dielectric resonator antenna with bandpass filtering and wide harmonics suppression response / IEEE Transactions on Antennas and Propagation 65 (4) : 2096 ~ 2101
[학술지(정기간행물)] - B. Zhang / 2016 / Filtering push-pull power amplifier based on novel impedance transformers / Electronics Letters 52 (17) : 1467 ~ 1468
[단행본] - G. L. Matthaei / 1980 / Microwave Filters, Impedance-Matching Network and Coupling Structures / Artech House
[학술지(정기간행물)] - R. Zhang / 2016 / Synthesis and design of mixed lumped and distributed low-pass filters/low-passing impedance transformers with Taylor series / IEEE Transactions on Microwave Theory and Techniques 64 (4) : 1265 ~ 1272
[학술지(정기간행물)] - B. J. Xiang / 2017 / Wideband circularly polarized dielectric resonator antenna with bandpass filtering and wide harmonics suppression response / IEEE Transactions on Antennas and Propagation 65 (4) : 2096 ~ 2101
[학술지(정기간행물)] - B. Zhang / 2016 / Filtering push-pull power amplifier based on novel impedance transformers / Electronics Letters 52 (17) : 1467 ~ 1468
[단행본] - G. L. Matthaei / 1980 / Microwave Filters, Impedance-Matching Network and Coupling Structures / Artech House
[학술지(정기간행물)] - R. Zhang / 2016 / Synthesis and design of mixed lumped and distributed low-pass filters/low-passing impedance transformers with Taylor series / IEEE Transactions on Microwave Theory and Techniques 64 (4) : 1265 ~ 1272
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