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Temperature-insensitive Pseudo-resistor
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논문 기본 정보

Type
Academic journal
Author
Jong Pal Kim (Korea University of Technology and Education)
Journal
The Institute of Electronics and Information Engineers JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE Vol.22 No.1 KCI Accredited Journals SCIE
Published
2022.2
Pages
47 - 51 (5page)
DOI
10.5573/JSTS.2022.22.1.47

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Result
Temperature-insensitive Pseudo-resistor
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Abstract· Keywords

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A novel pseudo-resistor insensitive to temperature change is proposed. In order for the pseudo-resistor implemented in the previous capacitively coupled instrumentation amplifier (CCIA) or transimpedance amplifier (TIA) to be used in the industrial temperature range (-40 ℃ to 85 ℃), it is necessary to develop a pseudo resistor insensitive to temperature change. The new pseudo-resistor can adjust the resistance value and the temperature sensitivity can be tuned. The pseudo-resistor is implemented using two PMOSs connected in series and a gate bias control block. A current proportional to the absolute temperature is used to control the magnitude of the pseudo-resistance and its temperature sensitivity. It was designed and laid out based on the 0.18 μm CMOS process, and as a result of simulation, it was possible to adjust the resistance value between 1.7 GΩ and 10.4 GΩ. The temperature sensitivity of the pseudo-resistor was able to obtain a minimum value of 91 ppm/℃ in the range of -40 ℃ to 85 ℃.
#Pseudo-resistor #temperature #sensitivity #compensation #amplifier

Contents

Abstract
I. INTRODUCTION
II. CIRCUIT DESCRIPTION
III. SIMULATION RESULTS
IV. CONCLUSIONS
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References (4)

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Harrison, R. R., et al., “A Low-Power Low-Noise CMOS Amplifier for Neural Recording Applications,” Solid-State Circuits, IEEE Journal of, Vol. 38, No. 6, pp. 958-965, June, 2003. google schola Chuah, J. H., et al., “Design of Low-Noise High-Gain CMOS Transimpedance Amplifier for Intelligent Sensing of Secondary Electrons,” IEEE Sensors Journal, Vol. 15, No. 10, pp. 5997-6004, Oct., 2015. google schola Sharma, K., et al., “MOS based pseudo-resistors exhibiting Tera Ohms of Incremental Resistance for biomedical applications: Analysis and proof of concept,” INTEGRAION, the VLSI journal, Vol. 76, pp. 25-39, June, 2021. google schola Djekic, D., et al. , “A Transimpedance Amplifier Using a Widely Tunable PVT-Independent Pseudo-Resistor for High-Performance Current Sensing Applications,” 43rd IEEE European Solid State Circuits Conference(ESSCIRC), 2017, 11-14, pp. 79-82, Nov., 2017. google schola

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