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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Sanchez, J. Moron, M. Ramirez, D. Casans, S. Navarro, E. |
| Copyright Year | 2011 |
| Description | Author affiliation: Department of Electronic Engineering, University of Valencia, C/ Doctor Moliner, 50, 46100-Burjassot, Spain (Sanchez, J.; Moron, M.; Ramirez, D.; Casans, S.; Navarro, E.) |
| Abstract | This work presents an intelligent electrical current sensor that combines a programmable system on chip (PSoC) with a microfabrication of a giant magnetoresistance sensor (GMR) and resistive temperature detector (RTD). Four spin-valve GMR elements configured in a Wheatstone bridge sense the electrical current, while a thin film RTD based on Ruthenium measures the temperature for spin-valve bridge sensitivity thermal compensation. The mixed signal PSoC allows implement in a single chip all electronic circuits needed to design a smart transducer: the spin-valve biasing, conditioning signal, analog to digital converter, digital signal processing and ports for communications. In the experimental results a small thermal study of the spin-valve is reported. The smart transducer digital output is characterized in the range of ±10 A in dc regime as well as 50 Hz ac regime up to 10 A peak. |
| Starting Page | 1 |
| Ending Page | 5 |
| File Size | 452647 |
| Page Count | 5 |
| File Format | |
| ISBN | 9781424479337 |
| ISSN | 10915281 |
| e-ISBN | 9781424479351 |
| DOI | 10.1109/IMTC.2011.5944329 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2011-05-10 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Temperature sensors Temperature measurement Bridge circuits Transducers Intelligent sensors Current measurement Sensitivity smart sensor Spin-valve sensor magnetoresistance sensor electrical current measurement resistive temperature detector |
| Content Type | Text |
| Resource Type | Article |
| Subject | Instrumentation Electrical and Electronic Engineering |
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