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- Publisher Website: 10.1109/ICSENS.2018.8589743
- Scopus: eid_2-s2.0-85060887121
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Conference Paper: Dual Measurement of Current and Temperature Using a Single Tunneling Magnetoresistive Sensor
| Title | Dual Measurement of Current and Temperature Using a Single Tunneling Magnetoresistive Sensor |
|---|---|
| Authors | |
| Keywords | Dual-parameter sensor Johnson noise thermometry TMR sensor Ultra-low noise preamplifier |
| Issue Date | 2018 |
| Publisher | IEEE. The Proceedings' web site is located at https://ieeexplore.ieee.org/xpl/conhome/8572682/proceeding |
| Citation | 2018 IEEE SENSORS Conference Proceedings, New Delhi, India, 28-31 October 2018, p. 1-4 How to Cite? |
| Abstract | This paper presents a sensitive and high cost-effective dual-parameter measurement technique, which is capable of measuring current and temperature based on Johnson noise thermometry (JNT) with the single tunneling magnetoresistive (TMR) sensor. The key is to utilize a TMR sensor with high sensitivity of 250 mV/V/mT to measure the current as well as temperature. Also, an ultra-low noise preamplifier with the equivalent noise as 3.1 nV/√Hz (@ 1 kHz) and a precise 10 μA constant current source are designed to implement the JNT and current measurement. Furthermore, a high-speed FPGA combined with ADC modules is used to carry out the signal processing algorithm and finally to calculate out the parameters of current and temperature. Finally, the dual-parameter sensing is verified by measuring current in the range of ±10 A and temperature ranging from -40 °C to 160 °C, respectively. |
| Persistent Identifier | http://hdl.handle.net/10722/272388 |
| ISBN |
| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | Liu, X | - |
| dc.contributor.author | Pong, PWT | - |
| dc.contributor.author | Liu, C | - |
| dc.date.accessioned | 2019-07-20T10:41:19Z | - |
| dc.date.available | 2019-07-20T10:41:19Z | - |
| dc.date.issued | 2018 | - |
| dc.identifier.citation | 2018 IEEE SENSORS Conference Proceedings, New Delhi, India, 28-31 October 2018, p. 1-4 | - |
| dc.identifier.isbn | 978-1-5386-4707-3 | - |
| dc.identifier.uri | http://hdl.handle.net/10722/272388 | - |
| dc.description.abstract | This paper presents a sensitive and high cost-effective dual-parameter measurement technique, which is capable of measuring current and temperature based on Johnson noise thermometry (JNT) with the single tunneling magnetoresistive (TMR) sensor. The key is to utilize a TMR sensor with high sensitivity of 250 mV/V/mT to measure the current as well as temperature. Also, an ultra-low noise preamplifier with the equivalent noise as 3.1 nV/√Hz (@ 1 kHz) and a precise 10 μA constant current source are designed to implement the JNT and current measurement. Furthermore, a high-speed FPGA combined with ADC modules is used to carry out the signal processing algorithm and finally to calculate out the parameters of current and temperature. Finally, the dual-parameter sensing is verified by measuring current in the range of ±10 A and temperature ranging from -40 °C to 160 °C, respectively. | - |
| dc.language | eng | - |
| dc.publisher | IEEE. The Proceedings' web site is located at https://ieeexplore.ieee.org/xpl/conhome/8572682/proceeding | - |
| dc.relation.ispartof | IEEE Sensors Conference Proceedings | - |
| dc.rights | IEEE Sensors Conference Proceedings. Copyright © IEEE. | - |
| dc.rights | ©2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. | - |
| dc.subject | Dual-parameter sensor | - |
| dc.subject | Johnson noise thermometry | - |
| dc.subject | TMR sensor | - |
| dc.subject | Ultra-low noise preamplifier | - |
| dc.title | Dual Measurement of Current and Temperature Using a Single Tunneling Magnetoresistive Sensor | - |
| dc.type | Conference_Paper | - |
| dc.identifier.email | Pong, PWT: ppong@hkucc.hku.hk | - |
| dc.identifier.authority | Pong, PWT=rp00217 | - |
| dc.identifier.doi | 10.1109/ICSENS.2018.8589743 | - |
| dc.identifier.scopus | eid_2-s2.0-85060887121 | - |
| dc.identifier.hkuros | 299256 | - |
| dc.identifier.spage | 1 | - |
| dc.identifier.epage | 4 | - |
| dc.publisher.place | United States | - |