Presentation
A Sub-μVRms Chopper Front-End for ECoG Recording
Author/s | Pérez Prieto, Norberto
Valtierra, José Luis Delgado Restituto, Manuel Rodríguez Vázquez, Ángel Benito |
Department | Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo |
Publication Date | 2019 |
Deposit Date | 2019-11-29 |
Published in |
|
ISBN/ISSN | 978-1-7281-0397-6 2158-1525 |
Abstract | This paper presents a low-noise, low-power fully differential chopper-modulated front-end circuit intended for ECoG signal recording. Among other features, it uses a subthreshold source-follower biquad in the forward path ... This paper presents a low-noise, low-power fully differential chopper-modulated front-end circuit intended for ECoG signal recording. Among other features, it uses a subthreshold source-follower biquad in the forward path to reduce noise and avoid the implementation of a ripple rejection loop. The prototype was designed in 0.18μm CMOS technology with a 1V supply. Post-layout simulations were carried out showing a power consumption below 2μW and an integrated input-referred noise of 0.75μV rms , with a noise floor below 50 nV√Hz, over a bandwidth from 1 to 200Hz, for a noise efficiency factor of 2.7. |
Project ID. | TEC2016-80923-P |
Citation | Pérez Prieto, N., Valtierra, J.L., Delgado Restituto, M. y Rodríguez Vázquez, Á.B. (2019). A Sub-μVRms Chopper Front-End for ECoG Recording. En IEEE International Symposium on Circuits and Systems (ISCAS) Sapporo, Japón: Institute of Electrical and Electronics Engineers. |
Files | Size | Format | View | Description |
---|---|---|---|---|
A Sub-μVrms Chopper Front-End.pdf | 331.2Kb | [PDF] | View/ | |