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High-Speed Noise and Grounding (Video Lectures): Dr. Johnson's Signal Integrity Lab

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High-Speed Noise and Grounding (Video Lectures): Dr. Johnson's Signal Integrity Lab

Online Video


  • Copyright 2017
  • Edition: 1st
  • Online Video
  • ISBN-10: 0-13-458069-9
  • ISBN-13: 978-0-13-458069-2

12+ Hours of Video Instruction

High-Speed Noise and Grounding  focuses on mixed-signal applications involving high-speed digital electronics used in conjunction with sensitive analog circuits such as radio receivers, GPS devices and cell phones. This course addresses the critical issues of noise and grounding that are seen in many advanced signal processing applications today, including avionics, telemetry and guidance systems.


This is a practical two-day seminar course, filmed in front of a live audience by a professional documentary film crew, taught by a man with extraordinary capabilities. His seminars have been seen by over 10,000 engineers worldwide, and was for 20 years among the most popular summer engineering short courses ever offered at the University of Oxford. 

Why so popular? The course is real, taught by a real engineer, with real examples, explanations, and classroom demonstrations. Anyone who ever wondered why their high-speed digital system was flaky or unreliable will understand and benefit from the material presented. In the course, Dr. Johnson begins with fundamentals, to make sure the vocabulary is clear, and then applies those fundamental in diverse areas of high-speed design.

This course presents material related to the book, High-Speed Digital Design: A Handbook of Black Magic, but treated in a different way and with different examples. The book, being 447 pages in length, obviously delves into the subject matter in greater detail. Think of the seminar as an introduction and, if you like it, get the book for on-the-job reference.

About the Instructor

An independent consultant, Dr. Johnson has served literally hundreds of top-name companies like Google, Amazon, Intel, Microsoft, Hewlett-Packard, AT&T, Cisco, Apple, Raytheon, and Lockheed-Martin. The breadth of his knowledge and understanding of high-speed computing systems is immense.

As an author, his books High-Speed Digital Design and High-Speed Signal Propagation have sold over 100,000 copies. He wrote EDN Magazine's featured Signal Integrity column for 17 years. Oxford University promoted his courses every year from 1994-2013 in their summer engineering curriculum. The IEEE tapped him to lead the technical development of Ethernet standards. In short, Dr. Johnson (now retired) is the sort of guy people pick when they want the very best for a tough High-Speed Digital Signal Integrity problem. 

Skill Level
  • Intermediate
  • Advanced

What You Will Learn
  • Principles of mixed-signal isolation
  • What is ground bounce, and how does it affect your system
  • When it is suitable to cut up your ground plane, and when not
  • Why ringing happens on a transmission line
  • How to achieve extraordinary isolation for audio systems
  • How to achieve extraordinary isolation for radio-frequency systems
  • What are the different types of coaxial cables and what they are for
  • The difference between compliance testing and diagnostic testing

Who Should Take This Course
  • Digital logic designers
  • System architects
  • EMC specialists
  • Military, medical, or high-reliability specialists
  • Analog engineers working on mixed-signal applications
  • Applications engineers
  • Anyone who works with mixtures of digital and analog technology

Course Requirements
  • Basic understanding of digital logic
  • Some familiarity with concepts of capacitance and inductance
  • Elementary mathematical skills

Table of Contents: High-Speed Noise and Grounding

Chapter 1: Principles of Mixed Signal Isolation

Lesson 1: High-Speed Noise and Grounding: Opening Lecture

Lesson 2: Common-Impedance Coupling

Lesson 3: Capacitance

Lesson 4: Inductance

Lesson 5: Main Points Not Taught in College

Lesson 6: Crosstalk

Chapter 2: Ground Bounce (SSO)

Lesson 7: Distributed Nature of Inductance

Lesson 8: SSO (Ground Bounce)

Lesson 9: BGA Ground Ball Placement

Lesson 10: Driving Heavy Loads

Lesson 11: Debugging SSO

Chapter 3: PCB Reference Planes

Lesson 12: Returning Signal Current at AF versus RF

Lesson 13: Crosstalk Experiments

Lesson 14: A Solid Plane Is Your Best Defense

Lesson 15: Perspective and Vertical Height

Lesson 16: Power Plane Segments

Lesson 17: Moat and Drawbridge Construction

Chapter 4: System-Level Grounding

Lesson 18: Understanding Grounding

Lesson 19: Three Ideas for Audio-Frequency Isolation

Lesson 20: Audio-Frequency Isolation

Lesson 21: What's Different at RF

Lesson 22: Interconnections Between Boxes

Lesson 23: RF Cables

Lesson 24: Imperfections in Shield Coverage

Lesson 25: System-Level Grounding

Lesson 26: Flex Cables

Lesson 27: Lightning Example

Chapter 5: Clock-Related Noise Issues

Lesson 28: Unexpected Synchronization Difficulties

Lesson 29: Do Terminations Reduce Emissions?

Lesson 30: Common and Differential Modes

Lesson 31: What is Jitter

Lesson 32: Periodic Jitter

Lesson 33: Clock Modulation

Chapter 6: Connectors

Lesson 34: Connectors

Lesson 35: Connector Examples

Lesson 36: PCB Traces at RF

Chapter 7: System Test

Lesson 37: System Test

Lesson 38: Working with People

Extra Material

Lesson 39: RoHS with Joe Fjelstad

Lesson 2712: Mixed-Signal Isolation: Part I

Lesson 2712: Mixed-Signal Isolation: Part II

Lesson 2712: Mixed-Signal Isolation: Part III


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