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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국전자파학회JEES Journal of Electromagnetic Engineering And Science Journal of Electromagnetic Engineering And Science Vol.25 No.1
- 발행연도
- 2025.1
- 수록면
- 1 - 7 (7page)
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초록· 키워드
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This study presents a high-efficiency dual-band rectifier with an extended frequency range. The proposed rectifier comprises a voltage doubler with shunt capacitors and an independent dual-band impedance control network (IDICN). The proposed IDICN, which comprises λ/4 shorted stubs at 3.4 GHz and two series transmission lines, can independently manipulate the input impedance seen from the voltage doubler at two frequencies within optimal input power range for high power conversion efficiencies (PCEs) at 2.45 and 3.4 GHz. The IDICN enables precise input impedance at 50 Ω at both 2.45 and 3.4 GHz simultaneously. The structure of the voltage doubler with shunt capacitors ensures similar input impedance across a wide frequency range. For validation, the proposed rectifier was implemented and verified. The implemented rectifier achieved PCEs of 74.7% and 74.4% at 2.45 and 3.4 GHz, respectively. The PCE was maintained at over 50% in the input power ranges of 7.9–21.9 dBm and 6.9–21.9 dBm at 2.45 and 3.4 GHz, respectively. The measured peak PCE of over 70% remained within the broad dual bands of 1.8–2.6 GHz and 2.9–3.4 GHz, which have a similar input impedance as 2.45 and 3.4 GHz.
목차
Abstract
I. INTRODUCTION
II. DESIGN METHODOLOGY
III. IMPLEMENTATION AND MEASUREMENT RESULTS
IV. CONCLUSION
REFERENCES
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