NDLI: Design and modeling of a continuous-time delta-sigma modulator for biopotential signal acquisition: Simulink vs. Verilog-AMS perspective

Content Provider	IEEE Xplore Digital Library
Author	Geng Zheng Mohanty, S.P. Kougianos, E.
Copyright Year	2012
Description	Author affiliation: NanoSystem Design Lab. (NSDL), Univ. of North Texas, Denton, TX, USA (Geng Zheng; Mohanty, S.P.; Kougianos, E.)
Abstract	In the current trend of short time-to-market and complex circuits and systems containing billions of nanoscale transistor, fast and accurate time-domain simulations are crucial for analog and mixed-signal (AMS) design and verification. This will ensure reduction in the non-recurrent cost and make electronics cheaper. In this paper, in order to investigate the options for fast and accurate simulations, two popular modeling tools and languages (Simulink and Verilog-AMS) capable of constructing behavioral models are evaluated. A delta-sigma modulator design with biomedical applications is used as a case study. The system-level design of a third-order, feedforward continuous-time (CT) delta-sigma modulator (DSM) with a signal-to-noise ratio (SNR) of 87.3 dB and 20 kHz input bandwidth is presented. This CT DSM is to be employed in an analog-to-digital converter (ADC) targeting several portable biomedical applications which require a 10 kHz signal bandwidth and higher than 10-bit resolution. Simulink and Verilog-AMS were used throughout the design. The efficiency are compared in terms of modeling effort, simulation performance, and accuracy.
Sponsorship	IEEE Comput. Soc.
Starting Page	1
Ending Page	6
File Size	2600307
Page Count	6
File Format	PDF
DOI	10.1109/ICCCNT.2012.6396103
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-07-26
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Biological system modeling Mixed-signal systems Behavioral simulation Mixed-signal design Mathematical model System-level modeling MATLAB
Content Type	Text
Resource Type	Article

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