Signal Consulting, Inc. - Dr. Howard Johnson

Dr. Johnson's FINAL public seminar, in Oxford, is coming this June. To register, click on any date. Dr. Johnson will teach private classes for 25 or more students through the end of 2013. For more information about these classes, click here.

Recent Newsletter

PLL Response Time

A PLL is a tracking device. When its input changes, the PLL responds, but not instantly. The time it takes for a PLL to respond to a step change in its input is called the response time. From the response time you can derive the PLL tracking bandwidth.

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Signal Integrity

Seminars

Learn from the world's foremost authority on Signal Integrity, Dr. Howard Johnson. Join over 12,000 students world-wide who have benefitted from his extraordinary insight and clarity of thought. Attend any one or all three seminars... read more | straight to registration

Help for Your Design

Our archives contain hundreds of detailed, comprehensive answers to complex questions, plus archives of editorial articles written for EDN magazine and other publications. Keyword indexed... read more | straight to the index

Consulting

Dr. Johnson offers world-class advice, drawing on 30 years of design experience, an extensive network of industry contacts, and a unique perspective made possible by his interactions with over 1000 digital engineers annually... read more | bio

Books & Films

Clips from film: Xilinx Rocket IO

Preview excerpts from the film Mixed-Signal Isolation.

Media Player File: 5.6MB, .wmv format, runtime 3 min. File is highly compressed, actual movie plays in full DVD quality.

Black Magic Book | DVD Films | Consulting