Detail publikace

Low-power ASIC suitable for miniaturized wireless EMG systems

KLEDROWETZ, V. PROKOP, R. FUJCIK, L. PAVLÍK, M. HÁZE, J.

Originální název

Low-power ASIC suitable for miniaturized wireless EMG systems

Typ

článek v časopise ve Scopus, Jsc

Jazyk

angličtina

Originální abstrakt

Nowadays, the technology advancements of signal processing, low-voltage low-power circuits and miniaturized circuits have enabled the design of compact, battery-powered, high performance solutions for a wide range of, particularly, biomedical applications. Novel sensors for human biomedical signals are creating new opportunities for low weight wearable devices which allow continuous monitoring together with freedom of movement of the users. This paper presents the design and implementation of a novel miniaturized low-power sensor in integrated circuit (IC) form suitable for wireless electromyogram (EMG) systems. Signal inputs (electrodes) are connected to this application-specific integrated circuit (ASIC). The ASIC consists of several consecutive parts. Signals from electrodes are fed to an instrumentation amplifier (INA) with fixed gain of 50 and filtered by two filters (a low-pass and high-pass filter), which remove useless signals and noise with frequencies below 20 Hz and above 500 Hz. Then signal is amplified by a variable gain amplifier. The INA together with the reconfigurable amplifier provide overall gain of 50, 200, 500 or 1250. The amplified signal is then converted to pulse density modulated (PDM) signal using a 12-bit delta-sigma modulator. The ASIC is fabricated in TSMC0.18 mixed-signal CMOS technology.

Klíčová slova

delta-sigma modulator; EMG system; wireless EMG; ASIC; instrumentation amplifier

Autoři

KLEDROWETZ, V.; PROKOP, R.; FUJCIK, L.; PAVLÍK, M.; HÁZE, J.

Vydáno

26. 11. 2019

Nakladatel

Slovenska Technika Univerzita

ISSN

1339-309X

Periodikum

Journal of Electrical Engineering

Ročník

70

Číslo

5

Stát

Slovenská republika

Strany od

393

Strany do

399

Strany počet

7

URL

https://content.sciendo.com/view/journals/jee/70/5/article-p393.xml

Plný text v Digitální knihovně

http://hdl.handle.net/11012/200887

BibTex

@article{BUT159931,
  author="Vilém {Kledrowetz} and Roman {Prokop} and Lukáš {Fujcik} and Michal {Pavlík} and Jiří {Háze}",
  title="Low-power ASIC suitable for miniaturized wireless EMG systems",
  journal="Journal of Electrical Engineering",
  year="2019",
  volume="70",
  number="5",
  pages="393--399",
  doi="10.2478/jee-2019-0071",
  issn="1339-309X",
  url="https://content.sciendo.com/view/journals/jee/70/5/article-p393.xml"
}