标签芯片整流器整流效率的无线测量

doi:10.19595/j.cnki.1000-6753.tces.160156

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Abstract The rectification efficiency of rectifier in UHF tag chip is one of the main factors affecting the communication distance of the tag. Currently many commercial tags do not have the test ports, hence the probe measurement method is no longer applicable for the test of tag chip. Based on UHF-RFID wireless communication principle and the rectifier works principle, a comparison relationship between UHF-RFID chip impedance and rectification efficiency was provided. Then a wireless measurement method for rectification efficiency of rectifier in UHF tag chip was proposed. It is shown that, when the input power of chip is within [-18, -13]dBm, the results of wireless measurements are basically same as those of theoretical analysis and probe measurements, where the rectification efficiency is less than 46% and the error is less than 4.8%. Compared with the probe measurement, the wireless measurement method need not to destroy the encapsulation structure of tags.

Key words： Radio frequency identification ultrahigh frequency rectifier rectification efficiency wireless measurement

Published: 10 October 2017

PACS:	TN92
	TP206+.1

Fund:国家自然科学基金（51637004）,安徽省自然科学基金（1508085MF112）,湖南省自然科学基金（2017JJ2080）,中央高校基本科研业务费（JZ2015HGCH0157,JDK16TD01）和国家重大科学仪器设备开发项目（2016YFF0102200）资助

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	Articles by authors
	Li Bing
	Li Ziyuan
	He Yigang
	Zuo Lei

Cite this article:

Li Bing,Li Ziyuan,He Yigang等. The Wireless Measurement of Rectification Efficiency of Tag Chip Rectifier[J]. Transactions of China Electrotechnical Society, 2017, 32(18): 196-201.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.160156 OR https://dgjsxb.ces-transaction.com/EN/Y2017/V32/I18/196

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