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Comparison of Receiver Architecture in Terms of Power Consumption and Noise Figure for Cochlear Implants Application

Authors:
Umberto Cerasani
Papy Ndungidi
William Tatinian
Carlos Dualibe
Carlos Valderrama

Keywords: SPICE Simulations, RF Receiver, LNA Optimization

Abstract:
Change in patients requirements has lead to new cochlear implants architecture specifications. In this paper, we proposed the receiver chain architecture study and design for new type of cochlear implants. Two receiver architectures were compared in terms of power consumption and Noise Figure, both of fundamental importance in biomedical embedded systems. SPICE simulations of the these architectures were carried out and transient results were presented for the solution retained. Furthermore optimization of the Low Noise Amplifier (LNA) using mathematical computations is presented, increasing the entire receiver performances.

Pages: 18 to 21

Copyright: Copyright (c) IARIA, 2014

Publication date: February 23, 2014

Published in: conference

ISSN: 2308-4243

ISBN: 978-1-61208-319-3

Location: Nice, France

Dates: from February 23, 2014 to February 27, 2014