Paper Abstract and Keywords |
Presentation |
2016-12-15 15:30
[Poster Presentation]
CMOS Transimpedance Analog Front End Circuit for an Optical Probe Current Sensor Kousuke Oyangi, Kousuke Miyaji (Shinshu Univ.) ICD2016-74 CPSY2016-80 Link to ES Tech. Rep. Archives: ICD2016-74 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
An optical probe current sensor using the magneto-optical effect has been studied for power electronics. This sensor shows better temperature characteristics and smaller sensor head compared to a Hall element current sensor with a magnetic yoke. An optical probe current sensor first converts target current into a differential photo signal of P and S polarization obtained from a magneto-optical effect of the magnetic film whose magnetization is induced by the magnetic field of the target current. Then, an analog front end circuit (AFE) using transimpedance amplifier (TIA) converts the differential photo signal detected by photodiodes into a voltage signal. However, in the previous work, TIA was composed of discrete devices and its bandwidth was low due to the parasitic capacitance of the photodiodes. In this work, a TIA with regulated cascode amplifier (RGC) is designed to increase a bandwidth of the AFE circuit. The measured transimpedance gain is 117.3dBOhm,SFDR of 40dB at the output frequency of 2MHz using a 0.18um standard CMOS process. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
current sensor / TIA / analog-front-end circuit / CMOS / high bandwidth / magneto-optical effect / / |
Reference Info. |
IEICE Tech. Rep., vol. 116, no. 364, ICD2016-74, pp. 67-67, Dec. 2016. |
Paper # |
ICD2016-74 |
Date of Issue |
2016-12-08 (ICD, CPSY) |
ISSN |
Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 |
Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) |
Download PDF |
ICD2016-74 CPSY2016-80 Link to ES Tech. Rep. Archives: ICD2016-74 |
Conference Information |
Committee |
ICD CPSY |
Conference Date |
2016-12-15 - 2016-12-16 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
Tokyo Institute of Technology |
Topics (in Japanese) |
(See Japanese page) |
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Paper Information |
Registration To |
ICD |
Conference Code |
2016-12-ICD-CPSY |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
CMOS Transimpedance Analog Front End Circuit for an Optical Probe Current Sensor |
Sub Title (in English) |
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current sensor |
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TIA |
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analog-front-end circuit |
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CMOS |
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high bandwidth |
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magneto-optical effect |
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1st Author's Name |
Kousuke Oyangi |
1st Author's Affiliation |
Shinshu University (Shinshu Univ.) |
2nd Author's Name |
Kousuke Miyaji |
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Shinshu University (Shinshu Univ.) |
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Speaker |
Author-1 |
Date Time |
2016-12-15 15:30:00 |
Presentation Time |
120 minutes |
Registration for |
ICD |
Paper # |
ICD2016-74, CPSY2016-80 |
Volume (vol) |
vol.116 |
Number (no) |
no.364(ICD), no.365(CPSY) |
Page |
p.67 |
#Pages |
1 |
Date of Issue |
2016-12-08 (ICD, CPSY) |
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