使用高Q谐振器的射频能量收集设计

2009 IEEE MTT-S International Microwave Workshop on Wireless Sensing, Local Positioning, and RFID Pub Date : 2009-11-03 DOI:10.1109/IMWS2.2009.5307869

T. Ungan, X. Le Polozec, W. Walker, L. Reindl

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引用次数: 31

摘要

本文提出了一种用于微系统等自主测量系统的低环境辐射源整流的新方法。提出了一种利用石英谐振器在肖特基二极管前进行24 MHz高品质因数阻抗变换的方法。利用先进设计系统(ADS)软件对整流电路进行了解析计算和非线性仿真，搭建了整流电路，并测量了射频能量收集系统的效率。该设计已经过优化，以达到最大的灵敏度。测量结果表明，在直流输出电压为1 V时，灵敏度为- 30 dBm(1µW)，效率超过22%。

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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RF energy harvesting design using high Q resonators

This paper presents a new method for rectifying low ambient radiation sources to supply autonomous measurement systems such as microsystems. An impedance transformation with high quality factor (Q) in front of a Schottky-Diode using a quartz resonator at 24 MHz is presented. In addition to an analytic computation and nonlinear simulation of the rectifier circuit with Advanced Design System (ADS) software, the circuit was built and the efficiency of the RF Energy Harvesting system was measured. The design has been optimized to achieve maximum sensitivity. The measurement results show a sensitivity of −30 dBm (1 µW) for DC output voltage of 1 V and an efficiency of more than 22 %.

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来源期刊

2009 IEEE MTT-S International Microwave Workshop on Wireless Sensing, Local Positioning, and RFID

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