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VCO Fundamentals

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12/5/12 11:00 am to 12/5/12 12:00 pm EST

VCO Fundamentals 468x60 5dec12

Technical Education Webinar Series

Title:  VCO Fundamentals
Date & Time:  December 5, 2012; 8 AM PT/ 11 AM ET/ 4 PM UTC

Webinar Outline:
VCO Overview
   Functional Block concept
   Input-Output relationships
   Basic Performance Metrics
   Center Frequency
   Tuning 'Constant'

Types of VCOs
   Resonant (LC, SAW based, crystal)
   Ring Oscillator

Methods of Tuning
   Varactor (voltage controlled capacitance)
   Drive strength (e.g. charging current in multivibrator)
   Phase adjust (interpolating)

Second Order Performance Metrics
   V-f linearity
   Supply/Load Sensitivity
   Phase Noise

Comparison of VCOs

Presenter:  John McNeill, Director of the New England Center for Analog and Mixed Signal Integrated Circuit Design (NECAMSID), Worcester Polytechnic Institute

John McNeill received his bachelor's degree from Dartmouth College in 1983, M.S. from the University of Rochester in 1991, and Ph.D. from Boston University in 1994.  From 1983 to 1990 he worked in industry in the design of high speed, high resolution analog-to-digital converters and low noise interface electronics used in high speed, wide dynamic range imaging systems.  Since 1994 he has been with the Electrical and Computer Engineering department of Worcester Polytechnic Institute, where in 1999 he received WPI’s campus-wide award for Outstanding Teaching.  In 2006, McNeill and co-authors Michael Coln and Brian Larivee of Analog Devices received the Lewis Winner Award for Outstanding Paper at the 2005 ISSCC. His research interests are in the area of analog and mixed signal integrated circuit design for phase-locked loop, analog-to-digital converter, and instrumentation applications.


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