Analog Frequency Synthesizers: A Short Tutorial

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• Prof. Michael H. Perrott, Masdar Institute of Science and Technology, Abu Dhabi
• Monday 02 July 2012, 16:30-18:00
• Dennis Gabor Seminar Room (611), EEE Department.

If you have a question about this talk, please contact acasson.

Admission is free but space at this event is limited. Preregister by emailing Alex Casson: acasson@imperial.ac.uk

Sponsored by IEEE Solid State Circuits Society (UK & Republic of Ireland Chapter)

Phase-locked loop (PLL) circuits are a key component of most modern communication circuits, and are also used in a variety of digital processor applications in order to generate high frequency, low jitter clock sources. This tutorial-level presentation will present an overview of analog frequency synthesizers, including basic concepts and recent innovation. Classical integer-N synthesizers will first be examined in order to provide background on basic PLL components, modeling, and system level tradeoffs. Fractional-N synthesizers will then be presented along with key concepts in Sigma-Delta modulation. Finally, high level design and simulation techniques are presented, as well as results from an example.

Michael H. Perrott Michael H. Perrott received the B.S. degree in Electrical Engineering from New Mexico State University, Las Cruces, NM in 1988, and the M.S. and Ph.D. degrees in Electrical Engineering and Computer Science from Massachusetts Institute of Technology in 1992 and 1997, respectively. His PhD thesis was on “Techniques for High Data Rate Modulation and Low Power Operation of Fractional-N Frequency Synthesizers”. From 1997 to 1998, he worked at Hewlett-Packard Laboratories in Palo Alto, CA, on high speed circuit techniques for Sigma-Delta synthesizers. In 1999, he was a visiting Assistant Professor at the Hong Kong University of Science and Technology, and taught a course on the theory and implementation of frequency synthesizers. From 1999 to 2001, he worked at Silicon Laboratories in Austin, TX, and developed circuit and signal processing techniques to achieve high performance clock and data recovery circuits. He was an Assistant and then Associate Professor in Electrical Engineering and Computer Science at the Massachusetts Institute of Technology from 2001 to 2008. He was with SiTime Corporation from 2008 to 2010, where he developed key technology for MEMS -based oscillators. He is currently a professor at Masdar Institute in Abu Dhabi, where he is focusing on low power, mixed-signal circuits for healthcare and other applications.

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