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Design of a CMOS Analog Front-End for Wearable A-Mode Ultrasound Hand Gesture Recognition

Zhang, Y; Jiang, D; Demosthenous, A; (2022) Design of a CMOS Analog Front-End for Wearable A-Mode Ultrasound Hand Gesture Recognition. In: Proceedings of the 17th Conference on Ph.D Research in Microelectronics and Electronics (PRIME) 2022. (pp. pp. 185-188). Institute of Electrical and Electronics Engineers (IEEE) Green open access

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Abstract

This paper presents a CMOS analog front-end for wearable A-mode ultrasound hand gesture recognition. This analog front-end is part of the research into using ultrasound to record and decode muscle signals with the aim of controlling a prosthetic hand as an alternative to surface electromyography. In this paper, the design of a pulser for driving piezoelectric transducers as well as a low-noise amplifier for the received echoes are presented. Simulation results show that the pulser circuit is capable of driving a 137 pF capacitive load with 30 V pulses at a frequency of 1 MHz and dissipates 142.1 mW power. The low-noise amplifier demonstrates a gain of 34 dB and an input-referred noise of 8.58 nV/√Hz at 1 MHz.

Type: Proceedings paper
Title: Design of a CMOS Analog Front-End for Wearable A-Mode Ultrasound Hand Gesture Recognition
Event: PRIME 2022 - 17th International Conference on Ph.D Research in Microelectronics and Electronics
Location: Villasimius, Italy
Dates: 12th-15th June 2022
ISBN-13: 978-1-6654-6700-1
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/PRIME55000.2022.9816772
Publisher version: https://doi.org/10.1109/PRIME55000.2022.9816772
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher's terms and conditions.
Keywords: CMOS integrated circuit, hand gesture recognition, human-machine interface, low-noise amplifier, pulser
UCL classification: UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL
URI: https://discovery.ucl.ac.uk/id/eprint/10154614
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