Data Converters

Lecturer: Kent Lundberg
Focuses on analog-to-digital and digital-to-analog converters in bipolar and CMOS technologies. Course content includes discussions of applications, appropriate system specifications, circuit elements, topology tradeoffs, and history.
  1. Introduction to Data Converters
    • Filtering
    • Sampling
    • Quantization
    • Coding
    • Resolution
  2. Specifications in time and frequency
    • Static parameters
    • Frequency-domain dynamic parameters
    • Time-domain dynamic parameters
    • Converter testing techniques
  3. Modern ADC comparisons and trends
    • Important specifications
    • Surveys and comparisons
    • Figures of merit
    • Limitations
  4. Digital-to-analog circuits
    • Voltage
    • Current
    • Charge
    • Time
  5. Commercial DAC designs
    • Resistor strings and R2R ladders
    • Charge scaling and capacitor arrays
    • Unary-weighted arrays
    • Dynamic element matching
  6. Analog-to-digital techniques
    • Flash and interpolating
    • Successive-approximation register
    • Serial and pipelined
    • Counting and integrating
  7. Commercial ADC designs
    • Some history
    • Commercial parts
    • Calibration schemes
  8. Oversampling converters
    • ΣΔ or ΔΣ modulators
    • Oversampling
    • Noise shaping
    • Inherent linearity
  9. High-speed sample-and-hold circuits
    • Applications
    • Sampling oscilloscopes
    • High-speed topologies
    • Diodes
  10. High-accuracy sample-and-hold circuits
    • Buffers
    • High-accuracy topologies
    • Accurate switches
    • Commercial circuits
    • Capacitors

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Kent H. Lundberg is an educator, consultant, and historian. He is president of Keeling Flight Hardware, Ltd., which provides design, research, and educational consulting services in the fields of aerospace, electronics, and control systems for companies, universities, and government organizations.

Since 2008, Dr. Lundberg has been a Visiting Professor at Olin College of Engineering, where he teaches courses in controls, circuit design, and instrumentation. From 2002 to 2005 and in 2011, he was a Lecturer with the Department of Electrical Engineering and Computer Science at the Massachusetts Institute of Technology. His research and teaching interests include the application of classical control theory to problems in analog circuit design, and the development of educational toys (lecture demos, take-home laboratory kits, and tutorial computer applications) for feedback systems and control engineering.

Dr. Lundberg was the Associate Editor for History of IEEE Control Systems Magazine from 2004 to 2011. He attended M.I.T. earning a Bachelor's degree in physics in 1992, and a Ph.D. in electrical engineering in 2002. He owns 43 Tektronix oscilloscopes, and he obsessive-compulsively collects analog synthesizers, technology artifacts, and classic textbooks on radar, nuclear energy, analog computing, and control.

Last updated at 10:11 on Thursday, 10 Jan 2013. by Kent Lundberg