The DOI matches its Crossref record; 29 of the 31 references it cites were found in a registry or an index.
High-Value Tunable Pseudo-Resistors Design
Open accessAbstract
Pseudo-resistor circuits are used to mimic large value resistors and base their success on the reduction of occupied areas with respect to physical devices of equal value. This article presents an optimized architecture of pseudo-resistor, made in standard CMOS 0.35 μm technology to bias a low-noise transimpedance amplifier for high-sensitivity applications in the frequency range 100 kHz-10 MHz. The architecture was selected after a critical review of the different topologies to implement high-value resistances with MOSFET transistors, considering their performance in terms of linearity of response, symmetric dynamic range, frequency behavior, and simplicity of realization. The resulting circuit consumes an area of 0.017 mm2and features a tunable resistance from 20 MΩ to 20 GΩ, dynamic offset reduction due to a more than linear I-V curve, and a high-frequency noise well below the one of a physical resistor of equal value. This latter aspect highlights the larger perspective of pseudo-resistors as building blocks in very low-noise applications in addition to the advantage in occupied areas they provide.
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Metadata
- Authors
- Guglielmi, E., Toso, F., Zanetto, F., Sciortino, G., Mesri, A., Sampietro, M., & Ferrari, G.
- Affiliations
- Politecnico di Milano (IT)
- ORCID
- Venue
- IEEE Journal of Solid-State Circuits
- Published
- 2020-08
- Volume
- 55
- Issue
- 8
- Pages
- 2094-2105
- ISSN
- 0018-9200 (ISSN-L)
- 1558-173X
- OpenAlex
- W3008212765
- Cited by
- 114
- References
- 31
- Citations by year
- 2026: 15 · 2025: 20 · 2024: 23 · 2023: 20 · 2022: 15 · 2021: 17 · 2020: 3
- FWCI
- 4.33
- Type
- journal article
- Language
- en
- Open access
- green
- hdl.handle.net
- Licence
- Locations
- IEEE Journal of Solid-State Circuits (publishedVersion)
- Virtual Community of Pathological Anatomy (University of Castilla La Mancha) (submittedVersion, other-oa)
- Funders
- EU projects ICT-STREAMS (688172)
- TRAINING4CRM (H2020, 722779)
- Topics
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Analog and Mixed-Signal Circuit Design
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Radio Frequency Integrated Circuit Design
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Low-power high-performance VLSI design
- Keywords
- pseudo-resistor, high-value resistors, transimpedance amplifier, low-noise circuits, CMOS circuit design
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