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2021 SSCS Webinar Series - Professional Development, Networking, and Career Growth

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Efficient High Resolution Nyquist Rate ADCs - Presented by Prof. Maurits Ortmanns

Date
2021-06-25
Time
9:00 AM ET
Location
Webinar - Online
Contact
Abira Altvater – abira.altvater@ieee.org
Presenter
Prof. Maurits Ortmanns
Description

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Abstract: High-resolution converters with high efficiency are dominated by noise-shaping and oversampling architectures. In applications, where true Nyquist-rate conversion is needed, neither oversampling nor noise- shaping can though be used. This is because of exactly the concepts allowing them to combine efficiency with high-performance, bring memory into the system and consequently prevent the sample-to-sample operation. This presentation reviews approaches to circumvent this, i.e. to combine Nyquist-rate conversion with high power efficiency by innovative architectural and circuit design with a focus on incremental Delta-Sigma ADCs.

 

Bio: Maurits Ortmanns (Senior Member, IEEE) received the Dr.Ing. degree from the University of Freiburg, Freiburg im Breisgau, Germany, in 2004. From 2004 to 2005, he was with Sci-Worx GmbH, Hannover, Germany, working in the field of mixed-signal circuits for biomedical implants. In 2006, he joined the University of Freiburg as an Assistant Professor. Since 2008, he has been a Full Professor with the University of Ulm, Ulm, Germany, where he is the director of the Institute of Microelectronics. He has authored the textbook Continuous-Time Sigma–Delta A/D Conversion, authored or coauthored several other book chapters, and over 250 IEEE journal articles and conference papers. He holds several patents. He served as program committee member of ISSCC, ESSCIRC, DATE and ECCTD, as ISSCC EU regional chair and is currently analog subcom chair at ISSCC. He served as associate editor for TCAS, and as distinguished lecturer for SSCS. His research interests include mixed-signal integrated circuit design with special emphasis on data converters and biomedical applications.

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