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Analog, Mixed Signal and RF Design Group. Analog, Mixed Signal and RF Design Group. Research FacultyDr. David Binkley, Dr. Tom Weldon and Dr. Arun RavindranIC Design toolsCadence, Mentor Graphics, ADS.Test EquipmentProbe station, spectrum analyzers, oscilloscopes, signal generators, logic
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1. Analog, Mixed Signal and RF Design Group The University of North Carolina at Charlotte Total Enrollment: 19,000+
Graduate Enrollment: 2,700+
80 undergraduate degree options 53 masters degree options11 doctoral programs (from mid. 1990’s)41 departments
Research intensive moving to research extensive
ECE department:150 graduate students (M.S., Ph.D.) 400 undergraduate students
Extensive expansion: Charlotte Research Institute, research centers, doubling space to 2,000,000 square feet in six new buildings, forested campus in Charlotte (1,500,000 people).
2. Analog, Mixed Signal and RF Design Group Analog, Mixed Signal and RF Design Group Research Faculty
Dr. David Binkley, Dr. Tom Weldon and Dr. Arun Ravindran
IC Design tools
Cadence, Mentor Graphics, ADS.
Test Equipment
Probe station, spectrum analyzers, oscilloscopes, signal generators, logic analyzer, parametric tester, power supplies.
IC prototyping through MOSIS (Research and Educational)
TSMC 0.18, AMI 0.5
3. Analog, Mixed Signal and RF Design Group David Binkley
4. Analog, Mixed Signal and RF Design Group NotesNotes
5. Analog, Mixed Signal and RF Design Group NotesNotes
6. Analog, Mixed Signal and RF Design Group Tom Weldon
Industry Experience:
InterDigital Communications Corp.: 3G radio design
Founder MixSig Labs Inc. (RFIC Linearization)
AEL (Marconi, BEA Systems): RF & microwave
radio design
Alpha Industries (Skyworks): RF devices
Motorola: Portable police/fire radio design
7. Analog, Mixed Signal and RF Design Group New RF Linearization Methods The Financial Chain Reaction:
New Linearization Method
-> Enables: Less distortion
-> Enables : Lower cell phone power/current
-> Enables : Smaller cell phone battery
-> Enables: Battery cost savings
Large battery cost savings
400 Million batteries per year in cell phones!!
8. Analog, Mixed Signal and RF Design Group MixSig Labs, Inc. “Holy grail” of wireless chip design
Commercialize linearization patents pending
Awarded Phase I NSF SBIR
Basic Idea:
Bad + good = better
Take a good amplifier
-> add a bad amplifier
-> get 20 dB more linear amplifier
Completely integrated on chip
No external components
9. Analog, Mixed Signal and RF Design Group Arun Ravindran
Ph.D., 2003: The Ohio State University
Research Interests
Data converters
Micropower filters
Wireless sensor networks
10. Analog, Mixed Signal and RF Design Group
11. Analog, Mixed Signal and RF Design Group
12. Analog, Mixed Signal and RF Design Group Analog, MS, RF Design Group - Teaching 4131/5131, Linear Integrated Circuit Design (senior/M.S.), bipolar analog
analysis and design, Gray and Meyer.
4132/5132, Analog Integrated Circuit Design (senior/M.S.), strong inversion
modeling, small-signal analysis, frequency response, negative feedback, simple op
amps, Allen and Holberg, Razavi, notes.
6437, Mixed-Signal Design (M.S.), project course with chip fabrication in MOSIS using Mentor.
6090/8090, Analog System Design (M.S.) New course on active filter design
6263/8263, Advanced Analog Integrated Circuit Design (M.S./Ph.D.), noise
analysis, low noise design, design in weak, moderate, and strong inversion, dc
mismatch, flicker noise, small-channel effects, EKV model, Johns and Martin,
extensive notes.
6264, Radio Frequency Design (M.S./Ph.D.), receiver/transmitter
architectures, NF, IP3, SFDR, Smith chart, s parameters, etc.
6157/8157, Data Converter Design (M.S./Ph.D.), z-domain analysis, switched
capacitor circuits, performance specifications of data converters, pipelined and
sigma-delta ADCs, chip fabricated in MOSIS. Circuit and behavioral modeling in
Cadence NotesNotes
13. Analog, Mixed Signal and RF Design Group Students Steve Tucker
Clark Hopper
Allen Calder
Matt Davis
Robert Crawford
Nikhil Verma
Dong Lieu
Harold Hearne
Chris Wichman