Monday January 28 4:00 - 4:50 PM Kelley 1001
Aaron Buchwald CEO and co-founder Mobius Semiconductor Pipelined A/D Converters: The Basics For resolutions from 8- to 14-bits at speeds from 1MS/s to greater than 1GS/s, pipelined ADCs have become the ADC architecture of choice. This tutorial starts with the basics. A spatial analogy is used to explain sub-ranging and redundancy leading to a simple intuitive understanding of all such architectures, including non- radix-two successive approximation ADCs. Key circuit-design issues will be addressed, such as amplifier requirements and device sizing for noise and matching constraints. These concepts will then be applied in the context of a generic design example of a 10-bit ADC. Biography: Aaron Buchwald is currently CEO and co-founder of Mobius Semiconductor, a privately held start-up in Irvine, CA. He has 25 years experience in the field of analog integrated circuit design. Dr. Buchwald joined Broadcom in 1994 as the first member of the analog group, where he was the lead designer for several generations of ADCs and front-end circuitry for products in the cable, satellite and networking markets. He was later responsible for development of multi-gigabit serial transceivers for XAUI, CX4 and Fiber Channel. Dr. Buchwald was formerly an Assistant Professor at the Hong Kong University of Science and Technology (HKUST). Prior to that he worked at Siemens in Munich, Germany and Hughes Aircraft in El Segundo, CA. Dr. Buchwald has a BSEE from the University of Iowa, and an MS and PhD from the University of California, Los Angeles. He is Co-author of the book Integrated Fiber-Optic Receivers, Kluwer, 1995 and was the co-recipient of the ISSCC outstanding-paper award in 1997 for the design of a 10-bit video-rate data converter.
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