Abstract:
A 4th-order bandpass /spl Sigma//spl Delta/ modulator for ultrasound applications is presented. By cascading 2 identical 2nd-order Gm-C filters, the 4th-order modulator i...Show MoreMetadata
Abstract:
A 4th-order bandpass /spl Sigma//spl Delta/ modulator for ultrasound applications is presented. By cascading 2 identical 2nd-order Gm-C filters, the 4th-order modulator is designed with high power efficiency, stability and programmability. The modulator dynamic range is 78dB over a 200kHz bandwidth around IF frequency of 3 MHz. The modulator has been implemented in a standard 0.18 /spl mu/m CMOS technology and consumes 2.5 mW from 1.8V power supply.
Published in: Proceedings. 7th International Conference on Solid-State and Integrated Circuits Technology, 2004.
Date of Conference: 18-21 October 2004
Date Added to IEEE Xplore: 13 June 2005
Print ISBN:0-7803-8511-X
PolyStim Neurotechnology Laboratory, Department of Electrical Engineering, École Polytechnique de Montréal, Canada
PolyStim Neurotechnology Laboratory, Department of Electrical Engineering, École Polytechnique de Montréal, Canada
PolyStim Neurotechnology Laboratory, Department of Electrical Engineering, École Polytechnique de Montréal, Canada
Contents PolyStim Neurotechnology Laboratory, Department of Electrical Engineering, École Polytechnique de Montréal, Canada
PolyStim Neurotechnology Laboratory, Department of Electrical Engineering, École Polytechnique de Montréal, Canada
PolyStim Neurotechnology Laboratory, Department of Electrical Engineering, École Polytechnique de Montréal, Canada
