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Original Article
Design of a Constant Current Source for Reliable GSR Measurement Using IC LM317
Rajarshi Das1
Mainakh Chakroborty2
Jeet Sen3
Aritra Ghosh4
Tarak Das5
1 2 3 4 Student, Department of Biomedical Engineering, Netaji Subhash Engineering College, Kolkata, West Bengal, India. 5 Assistant Professor, Department of Biomedical Engineering, Netaji Subhash Engineering College, Kolkata, West Bengal, India.
Published Online: March-April 2026
Pages: 454-457
Cite this article
↗ https://www.doi.org/10.59256/ijrtmr.20260602064
References
1. J. Romano Bergstrom, S. Duda, D. Hawkins, and M. McGill, “Physiological Response Measurements,” Eye Tracking in User Experience
Design, pp. 81–108, 2014, doi: 10.1016/B978-0-12-408138-3.00004-2.
2. W. (Bill) Albert and T. S. (Tom) Tullis, “Measuring Emotion,” Measuring the User Experience, pp. 195–216, 2023, doi: 10.1016/B978-
0-12-818080-8.00008-X.
3. “Galvanic Skin Response (GSR): The Complete Pocket Guide - iMotions.” Accessed: Apr. 13, 2026. [Online]. Available:
https://imotions.com/blog/learning/research-fundamentals/galvanic-skin-
response/?srsltid=AfmBOoqu8gYdw0XZiuv7yjhQRzeC06lNjSCLhxXemC6RRmmPvz4V9-jb
4. K. Swetha and K. V.D. Kiran, “Kalman-Normalized GSR Analysis for Real-Time Stress Quantification in Wearable Systems,” Int. J.
Telemed. Appl., vol. 2025, no. 1, p. 8828363, Jan. 2025, doi: 10.1155/ijta/8828363.
5. “Design LM317 Constant Current Source Circuits.” Accessed: Apr. 13, 2026. [Online]. Available:
https://www.bristolwatch.com/ccs/LM317.htm
6. “LM317 CONSTANT CURRENT CALCULATOR - Electronic Circuits.” Accessed: Apr. 13, 2026. [Online]. Available:
https://www.electronicecircuits.com/electronic-circuits/lm317-constant-current-calculator/
7. “LM317 pdf, LM317 Download, LM317 Description, LM317 Datasheet, LM317 view ::: ALLDATASHEET :::” Accessed: Dec. 12,
2025. [Online]. Available: https://www.alldatasheet.com/datasheet-pdf/download/22749/STMICROELECTRONICS/LM317.html
Design, pp. 81–108, 2014, doi: 10.1016/B978-0-12-408138-3.00004-2.
2. W. (Bill) Albert and T. S. (Tom) Tullis, “Measuring Emotion,” Measuring the User Experience, pp. 195–216, 2023, doi: 10.1016/B978-
0-12-818080-8.00008-X.
3. “Galvanic Skin Response (GSR): The Complete Pocket Guide - iMotions.” Accessed: Apr. 13, 2026. [Online]. Available:
https://imotions.com/blog/learning/research-fundamentals/galvanic-skin-
response/?srsltid=AfmBOoqu8gYdw0XZiuv7yjhQRzeC06lNjSCLhxXemC6RRmmPvz4V9-jb
4. K. Swetha and K. V.D. Kiran, “Kalman-Normalized GSR Analysis for Real-Time Stress Quantification in Wearable Systems,” Int. J.
Telemed. Appl., vol. 2025, no. 1, p. 8828363, Jan. 2025, doi: 10.1155/ijta/8828363.
5. “Design LM317 Constant Current Source Circuits.” Accessed: Apr. 13, 2026. [Online]. Available:
https://www.bristolwatch.com/ccs/LM317.htm
6. “LM317 CONSTANT CURRENT CALCULATOR - Electronic Circuits.” Accessed: Apr. 13, 2026. [Online]. Available:
https://www.electronicecircuits.com/electronic-circuits/lm317-constant-current-calculator/
7. “LM317 pdf, LM317 Download, LM317 Description, LM317 Datasheet, LM317 view ::: ALLDATASHEET :::” Accessed: Dec. 12,
2025. [Online]. Available: https://www.alldatasheet.com/datasheet-pdf/download/22749/STMICROELECTRONICS/LM317.html
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