A 0.5-V 95-dB rail-to-rail DDA for biosignal processing
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21460%2F22%3A00358192" target="_blank" >RIV/68407700:21460/22:00358192 - isvavai.cz</a>
Alternative codes found
RIV/00216305:26220/22:PU144638
Result on the web
<a href="https://doi.org/10.1016/j.aeue.2021.154098" target="_blank" >https://doi.org/10.1016/j.aeue.2021.154098</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.aeue.2021.154098" target="_blank" >10.1016/j.aeue.2021.154098</a>
Alternative languages
Result language
angličtina
Original language name
A 0.5-V 95-dB rail-to-rail DDA for biosignal processing
Original language description
This paper presents a new low-voltage CMOS structure for differential difference amplifier (DDA) optimized for low frequency biosignal processing. The DDA input stage is based on a non-tailed bulk-driven (BD) differential pair offering rail-to-rail input common mode range (ICMR) under 0.5 V voltage supply. Unlike the conventional two differential pairs DDA structure, the proposed one employs one differential pair created by the multiple input MOS transistor (MI-MOST) technique offering simple circuitry. Although the bulk-driven and the MI MOST techniques reduce the amplifier's transconductance, the gain is boosted by increasing the output resistance using a self-cascode transistor and a partial positive feedback. As a result, a 95-dB voltage gain is achieved which is larger than achieved gain for most sub-0.5 V designs presented in the literature. The DDA has 12.66 kHz gain bandwidth product, and consumes 313nW of power. The input thermal noise is 0.88 mu V/Hz1/2 and the average slew-rate is 14.7 V/ms at 20pF load capacitance. As an example of application, a band-pass filter (BPF) based on two DDAs with adjustable gain for electrocardiogram (ECG) signal processing is presented. The 0.18 mu m CMOS technology from TSMC has been used and extensive simulation results in Cadence environment including process, voltage and temperature corners and Monte-Carlo analysis have been carried-out to demonstrate the robustness of the design.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
20201 - Electrical and electronic engineering
Result continuities
Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2022
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
AEU-International Journal of Electronics and Communications
ISSN
1434-8411
e-ISSN
1618-0399
Volume of the periodical
145
Issue of the periodical within the volume
2
Country of publishing house
DE - GERMANY
Number of pages
9
Pages from-to
1-9
UT code for WoS article
000795779000003
EID of the result in the Scopus database
2-s2.0-85121963434