Sumit A. Talwalkar is a PhD candidate at EECS. He is a Principal IC Systems Engineer with Motorola Solutions, Inc., in Plantation, FL. He got B.Tech in EE from the Indian Institute of Technology, Mumbai, India in 1992 and MS in EE from the University of Rhode Island in Kingston, RI in 1995. He is currently working towards his Ph.D. in ECE at Oregon State University in Corvallis, OR on the topic of modeling and analysis of digital to time conversion (DTC) direct digital synthesizers. His interests include signal processing, communications and IC systems modeling and analysis.