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DTV band micropower RF energy-harvesting circuit architecture and performance analysis

机译:DTV频段微功率射频能量采集电路架构与性能分析

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摘要

A design architecture for a micropower RF energy-harvesting in the Digital TV (DTV) band is presented. The rectifying antenna (rectenna), given a single tone excitation at 550 MHz, has a measured conversion efficiency of 0.4% for −40 dBm input and 18.2% for −20 dBm input, respectively. A DC-DC boost converter circuit is designed and fabricated to be used along with this rectenna. The DC-DC boost converter circuit is able to operate with voltages as low as 400mV DC while the measured DC-DC conversion efficiency is at least 11.3%.
机译:提出了一种用于数字电视(DTV)频段中的微功率RF能量收集的设计架构。给定550 MHz的单音激励的整流天线(rectenna)的测量转换效率,对于-40 dBm输入为0.4%,对于-20 dBm输入为18.2%。设计并制造了与该整流天线一起使用的DC-DC升压转换器电路。 DC-DC升压转换器电路能够在低至400mV DC的电压下工作,而测得的DC-DC转换效率至少为11.3%。

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