NDLI: Research on LCR Impedance Measurement Based on SOPC

Content Provider	IEEE Xplore Digital Library
Author	Li Nianqiang Wang Yutai Zhang Lu
Copyright Year	2007
Description	Author affiliation: Jinan Univ., Jinan (Li Nianqiang; Wang Yutai; Zhang Lu)
Abstract	In this paper LCR impedence measurement based on SOPC is introduced in detail. The measurement circuit is functionally divided into following three sections: The signal source section generates the test signal based on NCO in SOPC of Altera's FPGA-Cyclone-II EP2C8.The frequency of the test signal is variable from 30 Hz to 1 MHz; The vector ratio detector section measures two vector voltages across the DUT (Edut) and range resistor Rr (Err) series circuit. Each vector voltage is separated into 0deg and 90deg parts using phase detector and measured using an A to D converter by multi-integration.The software is developed under the Altera's development environment qartusll 7.0 and NIOS II in FPGA. In this paper, A series adjusting measures is adopted. All these measures make the entire instrument measurement accuracy 0.25%.
File Size	543238
File Format	PDF
ISBN	9781424411351
DOI	10.1109/ICEMI.2007.4350422
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-08-16
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Resistors Phase measurement Vector ratio detector signal source based on NCO NIOS II CPU Frequency conversion Frequency measurement LCR impedence measurement based on SOPC Circuit testing Phase detection Impedance measurement Detectors Voltage Signal generators five-terminal measurement
Content Type	Text
Resource Type	Article

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