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Delta-sigma ADCs constructed from a multiplicity of simple cells offer
flexibility and easy trade-off between performance and power
dissipation, with only minimal penalty in chip area or power
consumption. By coupling the quantization noises of adjacent cells, the
noise shaping of all cells can be boosted further. The resulting
structure is different from the familiar cascade (MASH) configuration,
and exhibits much more robust performance than MASH with respect to
element imperfections.
After a brief discussion of the theory of enhanced multicell
delta-sigma ADCs, a design example will be described to demonstrate the
improvements claimed for this novel structure. |
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Gabor C. Temes received his undergraduate education at the Technical University and Eotvos University in Budapest, Hungary, from 1948 to 1956, and his Ph.D. in Electrical Engineering from University of Ottawa, Canada in 1961. He received an honorary doctorate from the Technical University of Budapest in 1991.
He held academic positions at the Technical University of Budapest, at Stanford University and at UCLA, and worked in industry at Northern Electric R&D Laboratories (now Bell-Northern Research), as well as at Ampex Corp. He is now Professor in the Department of Electrical and Computer Engineering at Oregon State University. He has served as Department Head at both UCLA and OSU. |
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Temes is co-editor and co-author of Modern Filter Theory and Design (Wiley, 1973); co-author of Introduction to Circuit Synthesis and Design (McGraw-Hill, 1977); co-author of Analog MOS Integrated Circuits for Signal Processing (Wiley, 1986); co-editor and co-author of Oversampling Delta-Sigma Data Converters (IEEE Press, 1997), as well as a contributor to several other edited volumes. He has published approximately 300 papers in engineering journals and conference proceedings.
A Life Fellow of the IEEE, Temes served as Associate Editor of the Journal of the Franklin Institute, Editor of the IEEE Transactions on Circuit Theory ,and Vice President of the IEEE Circuits and Systems Society (CAS). In 1968 and 1981, he was co-winner of the CAS Darlington Award, and in 1984 winner of the Centennial Medal of the IEEE. He received the Andrew Chi Prize Award of the IEEE Instrumentation and Measurement Society in 1985, the Education Award of the IEEE Circuits and Systems Society in 1987, and the Technical Achievement Award in 1998, and the IEEE Millennium Medal as well as the IEEE CAS Golden Jubilee Medal in 2000. Temes is also the recipient of the IEEE Gustav R. Kirchhoff Award in 2006.
Temes' recent research has dealt with CMOS analog integrated circuits, as well as data converters and integrated sensor interfaces. |
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August 6 - 9 , 2006, The San Juan Marriott Hotel. San Juan, Puerto Rico
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