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論文研討： YOUNGHWAN KIM AND SUNGJOON LIM, “ 2.4 GHZ HIGH EFFICIENT RECTENNA USING ARTIFICIAL MAGNETIC CONDUCTOR (AMC) ”, ISAP ， 2011 微波工程期末報告 Southern Taiwan University Department of Electronic Engineering 報告人： 通訊一甲 MA0S0201 林格名 1
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OUTLINE Abstract 1. Introduction 2. Rectenna Design using AMC Superstrate 3. Rectenna Performances 4. Conclusion References Younghwan Kim and Sungjoon Lim,“2.4 GHz High Efficient Rectenna using Artificial Magnetic Conductor (AMC) ”, ISAP ， 2011 2
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OUTLINE Abstract 1. Introduction 2. Rectenna Design using AMC Superstrate 3. Rectenna Performances 4. Conclusion References Younghwan Kim and Sungjoon Lim,“2.4 GHz High Efficient Rectenna using Artificial Magnetic Conductor (AMC) ”, ISAP ， 2011 3
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Abstract 設計在 2.4 GHz 高效率人造磁導體之整流天 線。 與 AMC 之結構天線並具有高指性天線。 RF 轉換 DC 之效率為 61.4% 。 Younghwan Kim and Sungjoon Lim,“2.4 GHz High Efficient Rectenna using Artificial Magnetic Conductor (AMC) ”, ISAP ， 2011 4
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OUTLINE Abstract 1. Introduction 2. Rectenna Design using AMC Superstrate 3. Rectenna Performances 4. Conclusion References Younghwan Kim and Sungjoon Lim,“2.4 GHz High Efficient Rectenna using Artificial Magnetic Conductor (AMC) ”, ISAP ， 2011 5
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Introduction 微波功率傳輸最重用之一整流天線。 RF Power 轉換 DC Power 。 Antanna 、 BPF 、 LPF 、 Diode and Resistive load. 採用帶通濾波器來有效抑制 2 階與 3 階諧波。 Younghwan Kim and Sungjoon Lim,“2.4 GHz High Efficient Rectenna using Artificial Magnetic Conductor (AMC) ”, ISAP ， 2011 6
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OUTLINE Abstract 1. Introduction 2. Rectenna Design using AMC Superstrate 3. Rectenna Performances 4. Conclusion References Younghwan Kim and Sungjoon Lim,“2.4 GHz High Efficient Rectenna using Artificial Magnetic Conductor (AMC) ”, ISAP ， 2011 7
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Rectenna Design using AMC Superstrate 在長距離傳輸時，高增益天線可有效增加整流 天線之傳輸效率。 AMC 與板材之間為 1/4 波長之空氣層。 2 階與 3 階 BPF 可有效抑制能量並在 2.4 GHz 有 更加的轉換效率 。 Younghwan Kim and Sungjoon Lim,“2.4 GHz High Efficient Rectenna using Artificial Magnetic Conductor (AMC) ”, ISAP ， 2011 8
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Rectenna Design using AMC Superstrate AMC 板材： RT duroid 6010 介電系數： 10.2 板厚： 1.27 mm 板材大小： 14.5 mm*14.5 mm 天線板材： RT duroid 5880 介電系數： 2.2 板厚： 1.6 mm 板材大小： 40.5 mm *40.5 mm 介電係數較低時，有較良好的 輻射性能。 BPF 之整流電路、 LPF 及整流 二極體皆在此板材上。 Younghwan Kim and Sungjoon Lim,“2.4 GHz High Efficient Rectenna using Artificial Magnetic Conductor (AMC) ”, ISAP ， 2011 9
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OUTLINE Abstract 1. Introduction 2. Rectenna Design using AMC Superstrate 3. Rectenna Performances 4. Conclusion References Younghwan Kim and Sungjoon Lim,“2.4 GHz High Efficient Rectenna using Artificial Magnetic Conductor (AMC) ”, ISAP ， 2011 10
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Rectenna Performances 此圖為 2.4 GHz 之量測與 模擬圖 於 AMC superstrate 確實 符合在 2.4 GHz 有 10 dBi 增益上。 Younghwan Kim and Sungjoon Lim,“2.4 GHz High Efficient Rectenna using Artificial Magnetic Conductor (AMC) ”, ISAP ， 2011 11
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Rectenna Performances 轉換效率定義如下： DC 功率輸出與 RF 輸入功率之間比值 Younghwan Kim and Sungjoon Lim,“2.4 GHz High Efficient Rectenna using Artificial Magnetic Conductor (AMC) ”, ISAP ， 2011 12
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Rectenna Performances 為 2.4GHz 時。 當負載電阻為 932Ω ，計算轉 換效率如左圖。 Younghwan Kim and Sungjoon Lim,“2.4 GHz High Efficient Rectenna using Artificial Magnetic Conductor (AMC) ”, ISAP ， 2011 13
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OUTLINE Abstract 1. Introduction 2. Rectenna Design using AMC Superstrate 3. Rectenna Performances 4. Conclusion References Younghwan Kim and Sungjoon Lim,“2.4 GHz High Efficient Rectenna using Artificial Magnetic Conductor (AMC) ”, ISAP ， 2011 14
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Conclusion 運用於 2.4 GHz 之高效率整流天線。 當遠距離傳輸時， AMC 作為整流天線，以利 提高傳輸效率。 二階及三階 BPF 來諧波抑制並增加轉換效率。 在 2.4 GHz 採用 AMC 與 諧波抑制 BPF ，可提 高 61.4% 之轉換效率。 Younghwan Kim and Sungjoon Lim,“2.4 GHz High Efficient Rectenna using Artificial Magnetic Conductor (AMC) ”, ISAP ， 2011 15
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OUTLINE Abstract 1. Introduction 2. Rectenna Design using AMC Superstrate 3. Rectenna Performances 4. Conclusion References Younghwan Kim and Sungjoon Lim,“2.4 GHz High Efficient Rectenna using Artificial Magnetic Conductor (AMC) ”, ISAP ， 2011 16
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References [1] Y.H. Suh, K. Chang, “A high efficiency dual-frequency rectenna for 2.45- and 5.8-GHz wireless power transmission” IEEE Trans. Microwave Theory Tech., vol. 50, no. 7, pp.1784-1789, July, 2002. [2] J.Y. Park, SM. Han, T. Itoh,”A rectenna design with harmonic- rejecting circular-sector antenna” IEEE Antennas and wireless propagation letter., vol. 3, pp.52 - 54 2004 [3] J.A. Hagerty, F.B. Helmbrecht, W.H. McCalpin, R. Zane, Z.B. Popovic´,” Recycling ambient microwave energy with broad-band rectenna arrays” IEEE Trans. Microwave Theory Tech., vol. 52, pp. 1014-1024, March, 2004. [4] A.P. Feresidis, G. Goussetis, S. Wang, J.C. Vardaxoglou. “Artificial magnetic conductor surfaces and their application to low-profile high-gain planar antennas” IEEE Antennas and wireless Propagat., vol. 53, no. 1, pp.209 - 215, January, 2005. 17
![References [1] Y.H. Suh, K.](http://images.slideplayer.com/26/8606356/slides/slide_17.jpg "Chang, A high efficiency dual-frequency rectenna for and 5.8-GHz wireless power transmission IEEE Trans. Microwave Theory Tech., vol. 50, no. 7, pp , July, [2] J.Y. Park, SM. Han, T. Itoh, A rectenna design with harmonic- rejecting circular-sector antenna IEEE Antennas and wireless propagation letter., vol. 3, pp [3] J.A. Hagerty, F.B. Helmbrecht, W.H. McCalpin, R. Zane, Z.B. Popovic´, Recycling ambient microwave energy with broad-band rectenna arrays IEEE Trans. Microwave Theory Tech., vol. 52, pp , March, [4] A.P. Feresidis, G. Goussetis, S. Wang, J.C. Vardaxoglou. Artificial magnetic conductor surfaces and their application to low-profile high-gain planar antennas IEEE Antennas and wireless Propagat., vol. 53, no. 1, pp , January,")
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本人對整流天線看法 無線功率傳輸的一種方式，接收微波能量來轉換成直流能 量。加入 AMC 原件來達到高效率之整流天線，並整合 BPS 、 LPS 、整流二極體之整流電路。 人造磁導體與整流電路結合可有向提高性能。 18
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問題 : AMC 與天線電路之間的介質為何 ? Ans ：介質為空氣層。 19
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Q&A 謝 謝 聆 聽謝 謝 聆 聽 20
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