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)
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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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