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- W2904993731 abstract "This paper presents a wireless multichannel surface electromyography (sEMG) sensor which features a custom 0.13- $mu mathrm{m}$ CMOS mixed-signal system-on-chip (SoC) analog frontend circuit. The proposed sensor includes 10 sEMG recording channels with tunable bandwidth (BW) and analog-to-digital converter (ADC) resolution. The SoC includes 10x bioamplifiers, $10mathrm{x}3^{rd}$ order $Delta Sigma$ MASH 1-1-1 ADC, and 10x on-chip decimation filters (DF). This SoC provides the sEMG samples data through a serial peripheral interface (SPI) bus to a microcontroller unit (MCU) that then transfers the data to a wireless transceiver. We report sEMG waveforms acquired using a custom multichannel electrode module, and a comparison with a commercial grade system. Results show that the proposed integrated wireless SoC-based system compares well with the commercial grade sEMG recording system. The sensor has an input-referred noise of $2.5 mu mathbf{V}_{rms}$ (BW of 10–500 Hz), an input-dynamic range of 6 $mathbf{mV}_{pp}$ , a programmable sampling rate of 2 ksps, for sEMG, while consuming only $7.1 mu mathrm{W}/mathrm{Ch}$ for the SoC (w/ ADC & DF) and 21.8 mW of power for the sensor (Transceiver, MCU, etc.). The system lies on a $1.5 mathrm{x} 2.0 mathrm{cm}^{2}$ printed circuit board and weights $ ." @default.
- W2904993731 created "2018-12-22" @default.
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- W2904993731 date "2018-10-01" @default.
- W2904993731 modified "2023-09-27" @default.
- W2904993731 title "A Multichannel Wireless sEMG Sensor Endowing a <tex>$0.13 mu mathrm{m}$</tex> CMOS Mixed-Signal SoC" @default.
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- W2904993731 doi "https://doi.org/10.1109/lsc.2018.8572118" @default.
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