Samenvatting
This paper presents a 52 μW heart-rate measurement interface for wearable applications, fabricated on a flexible foil with a-IGZO TFTs. The interface consists of a cascaded diode-connected load preamplifier with a gain of 22 dB in 3 kHz bandwidth. The output is provided as a binary PWM waveform, which can be sent to a reader device using wireless communication. Voltage to pulse-width conversion is achieved with a simple and power minimalistic approach, which exploits a reset integrator. Experimental characterization demonstrates an overall low-frequency gain of the system equal to 25 msec/V and an input referred noise of 186.3 μV rms. In-vivo measurements have been performed, resulting in a 60 bpm heart-rate for a person at rest.
| Originele taal-2 | Engels |
|---|---|
| Titel | ESSCIRC 2018 - IEEE 44th European Solid State Circuits Conference |
| Plaats van productie | Piscataway |
| Uitgeverij | Institute of Electrical and Electronics Engineers |
| Pagina's | 222-225 |
| Aantal pagina's | 4 |
| ISBN van elektronische versie | 978-1-5386-5404-0 |
| DOI's | |
| Status | Gepubliceerd - 16 okt. 2018 |
| Evenement | 44th European Solid State Circuits Conference (ESSCIRC 2018) - Dresden, Duitsland Duur: 3 sep. 2018 → 6 sep. 2018 Congresnummer: 44 |
Congres
| Congres | 44th European Solid State Circuits Conference (ESSCIRC 2018) |
|---|---|
| Verkorte titel | ESSCIRC 2018 |
| Land/Regio | Duitsland |
| Stad | Dresden |
| Periode | 3/09/18 → 6/09/18 |
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