Design and Performance Analysis of Cockcroft Voltage Doubler for RF Energy Harvesting Systems

Fayrouz A. Omara, W. Ali, N. Abbasy
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引用次数: 1

Abstract

Energy harvesting is the transformation of the energy found in the surrounding environment into a usable electrical energy. The major element of Energy harvesting circuits is the rectifier. It works on converting RF energy found in available sources to DC power. This paper introduces an efficient multi-stage Cockcroft voltage multiplier design. The efficiency of the proposed design is investigated by varying the number of stages from 2 to 7-stages and examining different load resistance and three Schottky diode models (e.g., HSMS2822, HSMS285C and HSMS2852). Simulation results are obtained for all the circuits using Advanced Design System (ADS) 2019. This study highlights the specific input power range -20 dBm to 30 dBm with targeting frequency 2.45 GHz. Simulation results show that matching Cockcroft voltage multiplier design provides higher DC output voltage and higher efficiency compared to non-matching design at low input power.
射频能量收集系统中Cockcroft倍压器的设计与性能分析
能量收集是将在周围环境中发现的能量转化为可用的电能。能量收集电路的主要元件是整流器。它的工作原理是将可用电源中的射频能量转换为直流电源。介绍了一种高效多级考克罗夫特电压倍增器的设计。通过将级数从2级更改为7级,并检查不同的负载电阻和三种肖特基二极管型号(例如HSMS2822, HSMS285C和HSMS2852),研究了所提出设计的效率。采用先进设计系统(ADS) 2019对所有电路进行了仿真。本研究强调了特定的输入功率范围-20 dBm至30 dBm,目标频率为2.45 GHz。仿真结果表明,在低输入功率下,匹配Cockcroft电压乘法器设计比不匹配设计具有更高的直流输出电压和更高的效率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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