Measurement, simulation, and circuit modeling—the three pillars of signal integrity—underpin every successful high-speed digital design. Your ability to verify and debug any high-speed digital circuit hinges on your knowledge of these three crucial areas.

To help bolster your knowledge of good laboratory measurement technique, we asked Dr. Howard Johnson, author of "High-Speed Digital Design: a Handbook of Black Magic", to share with us some of the methods he uses on a regular basis. Each article is illustrated with real circuits and measurements.

About Dr. Howard Johnson

Dr. Howard Johnson, author of High-Speed Digital Design, frequently conducts technical workshops for digital engineers at Oxford University and other sites worldwide. More information is available on his company website, Signal Consulting, Inc., at www.sigcon.com.

Currently Available Papers

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Step Response Test - Using The Step Response To Analyze A Signal Channel

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Upcoming Papers

Confirm Diagnosis - Using The Step Response Along With The Circuit Layout To Isolate And Fix Signal Reflections

Why Is That? - Exploring A Signal Waveshape To Uncover Sources Of Distortions Caused By Loading

DC Loading - Verifying The Affect Of Probe DC Loading On Measurements

Adequate Bandwidth - How Much Oscilloscope Bandwidth Is Required To Measure My Signal Accurately?