Feedback controlled pseudo resistor
Open accessAbstract
The pseudo resistor (PR) is widely used in integrated circuits. It comprises two transistors back‐to‐back to force them into the sub‐threshold region, which provides large resistance with a small die area. However, its linearity is limited by the non‐linear MOS transistors in weak inversion. In this Letter, a new PR topology is proposed, employing a feedback loop that continuously adjusts the voltage at the shared gate node of the PR with the input signal. The proposed architecture substantially increases the linearity and impedance of the PR.
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There are three categories of artifact suppression techniques in bidirectional interface systems.
“There are three categories of artifact suppression techniques in bidirectional interface systems [188], [189].”
From Active Neural Interface Circuits and Systems for Selective Control of Peripheral Nerves: A Review (2024) · cites this paper as [188]
The Introduction (page not identified in our copy) discusses pseudo-resistor designs for biomedical applications, and the Conclusion describes a feedback-controlled pseudo resistor. Neither passage addresses categories of artifact-suppression techniques in bidirectional interface systems. Searches for the claimed three-category classification and related artifact-suppression terms found no supporting passage. (LLM, conf=0.76)
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Cites
A low-power integrated circuit for a wireless 100-electrode neural recording system.
Harrison, R. R., Watkins, P. T., Kier, R. J., Lovejoy, R. O., Black, D. J., Greger, B., & Solzbacher, F. (2007) · IEEE Journal of Solid-State Circuits · doi:10.1109/jssc.2006.886567 · Cited by 782 · see citing works
A Low-Power Integrated Circuit for a Wireless 100-Electrode Neural Recording System
Harrison, R. R., Watkins, P., Kier, R. J., Lovejoy, R. O., Black, D., Normann, R. A., & Solzbacher, F. (2006) · Digest of technical papers/Digest of technical papers - IEEE International Solid-State Circuits Conference · doi:10.1109/isscc.2006.1696288 · Cited by 731 · see citing works
Analysis and Design of Tunable Amplifiers for Implantable Neural Recording Applications
Rezaee-Dehsorkh, H., Ravanshad, N., Lotfi, R., Mafinezhad, K., & Sodagar, A. M. (2011) · IEEE Journal on Emerging and Selected Topics in Circuits and Systems · doi:10.1109/jetcas.2011.2174492 · Cited by 103 · see citing works
Djekic, D., Fantner, G. E., Lips, K., Ortmanns, M., & Anders, J. (2018) · IEEE Journal of Solid-State Circuits · doi:10.1109/jssc.2018.2820701 · Cited by 98 · see citing works
A High Input Impedance Low Noise Integrated Front-End Amplifier for Neural Monitoring
Zhou, Z., & Warr, P. A. (2016) · IEEE Transactions on Biomedical Circuits and Systems · doi:10.1109/tbcas.2016.2525810 · Cited by 32 · see citing works
Self-citationKárász, Z., Fiáth, R., Földesy, P., & Vázquez, Á. R. (2014) · IEEE Sensors Journal · doi:10.1109/jsen.2013.2294971 · Cited by 18 · see citing works
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Ashayeri, M., & Yavari, M. (2021) · Microelectronics Journal · doi:10.1016/j.mejo.2021.105333 · Cited by 18 · see citing works
Zhou, Z. (2020) · IEEE Access · doi:10.1109/access.2020.3026178 · Cited by 11 · see citing works
Self-citationActive Neural Interface Circuits and Systems for Selective Control of Peripheral Nerves: A Review
Habibollahi, M., Jiang, D., Lancashire, H. T., & Demosthenous, A. (2024) · IEEE Transactions on Biomedical Circuits and Systems · doi:10.1109/tbcas.2024.3430038 · Cited by 11 · see citing works
“There are three categories of artifact suppression techniques in bidirectional interface systems [188], [189].”
80 dB tuning range transimpedance amplifier exploiting the Switched-Resistor approach
Centurelli, F., Fava, A., Scotti, G., & Trifiletti, A. (2022) · AEU - International Journal of Electronics and Communications · doi:10.1016/j.aeue.2022.154196 · Cited by 9 · see citing works
Design of an Analog Front-End (AFE) for Photoplethysmography (PPG) Acquisition System
Fathy, A. M., Mohamed, A. M., Abdelrahman, A. K., Mohamed, N. S., Saber, N. M., Mohamed, E. A., Ebrahim, R. M., & Eid, A. M. (2024) · Advanced Sciences and Technology Journal. · doi:10.21608/astj.2024.302774.1005
- Authors
- Zhou, Z., & Warr, P.
- Affiliations
- Southeast University (CN)
- University of Bristol (GB)
- Corresponding author
- Zhou, Zhijun
- Venue
- Electronics Letters
- Published
- 2020-04
- Volume
- 56
- Issue
- 8
- Pages
- 371-373
- ISSN
- 0013-5194 (ISSN-L)
- 1350-911X
- OpenAlex
- W3001095253
- Cited by
- 5
- References
- 6
- Citations by year
- 2024: 2 · 2022: 1 · 2021: 1 · 2020: 1
- FWCI
- 0.24
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Electronics Letters (publishedVersion)
- Explore Bristol Research (submittedVersion)
- Bristol Research (University of Bristol) (submittedVersion)
- Funders
- Natural Science Foundation of Jiangsu Province (BK20180363)
- National Natural Science Foundation of China (61874024)
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Analog and Mixed-Signal Circuit Design
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Low-power high-performance VLSI design
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Advancements in Semiconductor Devices and Circuit Design
- Keywords
- pseudo-resistor, feedback control, weak inversion, subthreshold operation, linearity, impedance, MOS transistors
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