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The conventional PCB fabrication process for printed circuit boards is subtractive. Averatek recently introduced a new chemistry technology making semi additive circuit board fabrication more attractive for ultra fine line applications. SIJ’s technical editor, Eric Bogatin, takes a closer look.

Understanding a few simple power integrity (PI) fundamentals can go a long way towards increasing design margins when delivering power to high-speed digital loads. In this piece, Heidi Barnes provides some fundamental lessons on impedance.

Few topics are as fundamental in signal integrity and create as much confusion as signal bandwidth. What exactly does bandwidth refer to and what features in the time domain influence bandwidth: rise time or slew rate?

In this detailed study of jitter, Vladimir Dmitriev-Zdorov considers its conversion into vertical noise and the propagation of this noise in a channel. It applies to many, if not all, linear systems. Read on to see his analysis as illustrated in both the frequency and time domains for small and large magnitude jitter.

What’s the difference between Tracks and Trends features on an oscilloscope? Mike Hertz walks through the basics with some real-world examples in this article.

SIJ technical editor Eric Bogatin reflects on reflections…“Do corners in traces on circuit boards cause reflections? Of course, they do. Do the reflections cause problems and should you worry? … It depends.” Read on to see what he means.

In lieu of the given applications and industry efforts, many enterprises and industries are now viewing silicon photonics as an inevitable component for computers and monitoring devices. As the technology is touted to mature in the coming years, chances are that supercomputers would likely reach the exascale speed around human brain’s processing power at the neural level.

Stefaan Sercu, Samtec Signal Integrity R&D Engineer, recently presented “Impedance Corrected De-Embedding,” which discussed the advantages of impedance corrected de-embedding over standard 2X through de-embedding, here are some highlights of his talk.

There is an unsatisfied thirst by professional engineers to play with tools that give them a taste of the pro-level tools. Eric Bogatin makes his argument for low cost or “student level” equipment from tool vendors.

Due to the ever increasing speed-grade of memory systems, it is necessary to apply equalizations, which creates severe burdens for memory system design engineers. Fortunately, the challenges have been overcome by an IBIS-AMI solution for single-ended signals and the introduction of a forwarded clocking solution. Read on to learn more.