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University of Utah
Department of Electrical
and Computer Engineering
50 S. Central Campus
Drive, Room 3280
Salt Lake City, UT 84112-9206
Phone: (801) 587-9497
Fax: (801) 581-5281
Office: MEB 4108
E-mail: ccharles at ece.utah.edu
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Education
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PhD - 2006
in Electrical Engineering at the
University of Washington
Dissertation:
A Phase-Amplitude Calibration System for Phased
Array Transmitters
MS - 2003
in Electrical Engineering at the
University of
Utah
Thesis:
Electrical Components for a Fully Implantable
Neural Recording System
BS - 2001
in Computer Engineering at the
University
of Waterloo
Senior Project: Sound
Processing/Voice Recognition Card for Real-Time
Applications
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Awards
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Intel PhD Fellowship from Intel
Corporation, 2005
Outstanding Student Designer Award
from Analog
Devices, 2004
Young Innovator Fellowship from the
University of Washington Electrical Engineering
Department, 2003
Wayne Brown Fellowship from the
University of
Utah College of Engineering, 2001
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Research Interests
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My research interests lie in the area of
radio frequency integrated circuit design, with
a particular focus on frequency synthesizers,
integrated electronics for phased arrays, and
low-power radio transceivers. For a more
complete description of my research activities,
please visit the home page for my research lab
at
rfic.ece.utah.edu.
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Teaching
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Fall 2008 -
ECE 3110: Engineering Electronics II
Spring 2008 -
ECE 5720: Analog Integrated Circuit Design
Fall 2007 -
ECE 3110: Engineering Electronics II
Spring 2006 -
ECE 6730: Radio Frequency Integrated Circuit
Design
Winter 2005 -
EE 536: Phase-Locked Loops (at the University of
Washington)
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Selected Publications
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For an exhaustive list of my publications,
please see my
Curriculum Vitae.
H. Zarei, C. T. Charles, and D. J.
Allstot, “Low-Loss Reflective Type-Phase
Shifters for Multiple-Antenna Receivers,”
IEEE Transactions
on Circuits and Systems I, Vol. 54, No. 8,
pp. 1647-1656, Aug. 2007.
C. T. Charles and D. J. Allstot,
“Design Considerations for Integrated CMOS
Reflective-Type Phase Shifters,” Analog
Integrated Circuits and Signal Processing,
Vol. 50, No. 3, pp. 221-229, Mar. 2007.
D. J. Allstot, C. T. Charles, S.
Kodali, X. Li, D. Ozis, J. Paramesh, S. Shekhar
and J. S. Walling, “CMOS Integrated
Transformers: Coming of Age,” International
Conference on Solid-State and Integrated Circuit
Technology, Shanghai, China, Oct. 2006, pp.
1480-1483.
C. T. Charles and D. J. Allstot, “A
Calibrated Phase/Frequency Detector for
Reference Spur Reduction in Charge-Pump PLLs,”
IEEE Transactions on Circuits and Systems II,
Vol. 53, Issue 9, pp. 822-826, Sept. 2006.
C.T. Charles and D. J. Allstot, “A
2-GHz CMOS Variable Gain Amplifier Optimized for
Low Noise,” International Symposium on
Circuits and Systems, Kos, Greece, May 2006,
pp. 2305-2308.
C. T. Charles and D. J.
Allstot, “A 360
degree Extended Range Phase Detector for Type-I
PLLs,” International Symposium on Circuits
and Systems, Kobe, Japan, May 2005, pp.
5457-5461.
R. R. Harrison and C. T. Charles, “A
low-power low-noise CMOS amplifier for neural
recording applications,” IEEE Journal of
Solid-State Circuits, Vol. 38, pp. 958-965,
June 2003.
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Personal Interests
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Cycling - I have raced road and
cyclocross for a number of years, and I am
currently riding with the
Rocky
Mountain Cycling Club.
Nordic Skiing - I started racing skate
skis in the Winter of 2006-2007, participating
in the
Wasatch Citizen Series.
Rock Climbing - I have been an
obsessive climber for several years, but am
currently sidelined with an
elbow injury.
For more details on my personal interests,
see my
personal page.
