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Paper Abstract and Keywords
Presentation 2020-08-06 11:00
Gain calibration technique for global shutter CMOS terahertz image sensor pixels
Yuma Hirata, Yuji Nagayasu, Kotaro Sawaguchi, Yuri Kanazawa, Masayuki Ikebe (Hokkkaido Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) We propose a gain calibration mechanism for the global shutter CMOS terahertz image sensor. Even though we use the MOSFET envelope detector to perform terahertz (THz) detection, process variations that affect device parameters can cause variations in pixel gain. To compensate the pixel variation, we propose to set the bias voltages of the MOSFET on all pixels simultaneously by using a small current condition of the MOSFET. We simulated the variation characteristics and confirmed that appropriate bias-voltage setting can suppress the gain variation .
Keyword (in Japanese) (See Japanese page) 
(in English) terahertz / terahertz image sensor / CMOS / envelope detector / process variation / variation compensation / global shutter /  
Reference Info. ITE Tech. Rep., vol. 44, no. 17, IST2020-39, pp. 9-12, Aug. 2020.
Paper # IST2020-39 
Date of Issue 2020-07-30 (IST) 
ISSN Print edition: ISSN 1342-6893    Online edition: ISSN 2424-1970
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Conference Information
Conference Date 2020-08-06 - 2020-08-07 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Analog, Mixed Analog and Digital, RF, and Sensor Interface, Low Voltage/Low Power Techniques, Novel Devices/Circuits, and the Applications 
Paper Information
Registration To IST 
Conference Code 2020-08-ICD-SDM-IST 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Gain calibration technique for global shutter CMOS terahertz image sensor pixels 
Sub Title (in English)  
Keyword(1) terahertz  
Keyword(2) terahertz image sensor  
Keyword(3) CMOS  
Keyword(4) envelope detector  
Keyword(5) process variation  
Keyword(6) variation compensation  
Keyword(7) global shutter  
1st Author's Name Yuma Hirata  
1st Author's Affiliation Hokkaido University (Hokkkaido Univ.)
2nd Author's Name Yuji Nagayasu  
2nd Author's Affiliation Hokkaido University (Hokkkaido Univ.)
3rd Author's Name Kotaro Sawaguchi  
3rd Author's Affiliation Hokkaido University (Hokkkaido Univ.)
4th Author's Name Yuri Kanazawa  
4th Author's Affiliation Hokkaido University (Hokkkaido Univ.)
5th Author's Name Masayuki Ikebe  
5th Author's Affiliation Hokkaido University (Hokkkaido Univ.)
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Speaker Author-1 
Date Time 2020-08-06 11:00:00 
Presentation Time 25 minutes 
Registration for IST 
Paper # IST2020-39 
Volume (vol) vol.44 
Number (no) no.17 
Page pp.9-12 
Date of Issue 2020-07-30 (IST) 

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