薄膜電晶體於13.56MHz軟性射頻電子標籤串聯式電荷幫浦之設計

TFT Series Charge Pump Design for 13.56MHz Flexible RFID Transponder Front-End

姚志強(yao chih chiang)

指導教授 ： 陳永進

亞洲大學/資訊學院/電腦與通訊學系碩士班/碩士(2007年)

摘要

本論文將研究13.56MHZ被動式標籤(Passive Tag)，針對Transponder中的AC/DC電路，利用串聯式電荷幫浦(Series Charge Pump)整流電路，參考使用TFT (Thin Film Transistor) 製程參數進行電路模擬，以模擬結果來計算電路之功率轉換效率 (Power Conversion Efficiency; PCE)，並分析串聯式電荷幫浦及部分參數改變的條件下所造成的PCE變化。期能在將來進一步結合軟性電子 (Flexible Electronics)技術呈現以印製或噴墨方式大量生產軟性射頻電子標籤。

關鍵字

被動式標籤、串聯式電荷幫浦、薄膜電晶體、功率轉換效率、軟性電子

並列摘要

This paper presents the simulation results and power conversion efficiency analysis of TFT-based AC-DC series charge pump circuit for passive-type RFID tag working on 13.56MHz.
The purpose of this work is to evaluate the possibility of designing TFT-based AC-DC charge pump circuit as the first step for flexible RFID tag production by finding the optimal parameters, including the size of TFT、the value of capacitance and resistance for obtaining the highest power conversion efficiency.
TFT Layout for the 5-stage series charge pump circuit has also been done in this work.

並列關鍵字

Passive tag、series charge pump circuit、TFT、PCE、Flexible electronic

參考文獻

[12]Yunlei Li, Jin Liu, “A 13.56MHz RFID Transponder Front-End with Merged Load Modulation and Voltage Doubler-Clamping Rectifier Circuits,” IEEE International Symposium on Circuits and Systems, Vol. 5, pp. 5095-5098, 2005.

[17]Hu Jianyun, He Yan, Min Hao, “High efficient rectifier circuit eliminating threshold voltage drop for RFID transponders,” 6th International Conference on ASIC, Vol. 2, pp. 607-610, 2005.

[20]Hongchin Lin, Jainhao Lu and Yen-Tai Lin, “A new 4-phase charge pump without body effects for low supply voltages,” Proceedings of IEEE Asia-Pacific Conference on ASIC, pp.53-56, 2002.

[22]V. Subramanian, P.C. Chang, D. Huang, J.B. Lee, S.E. Molesa, D.R. Redinger, S.K. Volkman, “All-Printed RFID Tags materials, devices, and circuit implications,” 19th International Conference on VLSI Design, pp. 6 pages, 2006.

[23]Y.J. Chan, C.P. Kung, Z. Pei, “Printed RFID：technology and application,” IEEE International Workshop on Radio-Frequency Integration Technology, pp. 139-141, 2005.