Pat Hindle, SIJ Contributing Editor
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Pat Hindle

Pat Hindle is responsible for editorial content, article review and special industry reporting for Signal Integrity Journal and Microwave Journal magazines plus their web sites. He also leads social media and special digital projects. Prior to joining the Journals, Mr. Hindle held various technical and marketing positions throughout New England, including Marketing Communications Manager at M/A-COM (Tyco Electronics), Product/QA Manager at Alpha Industries (Skyworks), Program Manager at Raytheon and Project Manager/Quality Engineer at MIT's Space Nanostructures Laboratory. Mr. Hindle graduated from Northeastern University - Graduate School of Business Administration and holds a BS degree from Cornell University in Materials Science Engineering.

Top 10 Articles for 2017

December 18, 2017

As rated by reader views, here are the Top 10 Articles on Signal Integrity Journal for 2017. Thank you for your readership in 2017, and we look forward to bringing you many more great technical features in 2018!


Top Article 1

Ensuring High Signal Quality in PCIe Gen3 Channels

By Anil Kumar Pandey

The increased data rates of today’s high-speed Input/Output (I/O) buses make maintaining transmission channel signal quality all the more challenging. One reason for the challenge is the parasitic effects that result from bus interconnects.

Top Article 2

S-parameter Renormalization, The Art of Cheating

By Gustavo J. Blando

As you know, "us", Signal and Power Integrity Engineers, are full of tricks, rules of thumb, and shortcuts. These tricks mostly help us understand something, save analysis time and, why not, make us look smarter than we really are!! In that vein, seldom have I encountered a quick and dirty trick as useful and underestimated as S-parameter renormalization.

Top Article 3

S-parameters: Signal Integrity Analysis in the Blink of an Eye

By Mike Resso, Keysight and Tim Wang Lee

This article discusses new concepts for serial link design and analysis as applied to physical layer test and measurement techniques. Novel test fixtures and signal integrity software tools will be discussed in real world applications in the form of design case studies.

Top Article 4

Decoding the Smith Chart for Signal Integrity Engineers

By Eric Bogatin

Every RF engineer learns about the Smith Chart their first day studying S-parameters. It’s an important tool for RF applications. Not so for SI applications. But there are some valuable insights a Smith Chart can illuminate. Here’s how to extract those few nuggets.

Top Article 4

DC Blocking Capacitor Location, who cares?

By Gustavo J. Blando

It's a fact, the older I get, the dumber I become. I came to that realization while thinking about this eternal question engineers have about placement of high speed DC blocking caps in serial link channels. Read these insights about capacitor placement.

Top Article 5

DDR Memory Interface Basics

By David Maliniak

Double data-rate (DDR) memory has ruled the roost as the main system memory in PCs for a long time. Of late, it's seeing more usage in embedded systems as well. Let's look at the fundamentals of a DDR interface and then move into physical-layer testing.

Top Article 6

Ground Rules for Grounding

By Eric Bogatin

Ground is NOT a current return path. Read on to see Todd Hubing’s four rules of effective grounding strategy.

Top Article 7

Bode Plots are Overrated

By Steve Sandler

I’m not saying control loop stability isn’t important, of course it is. I am saying that whether your focus is power supply design, power integrity or mixed-signal, the Bode plot probably isn’t going to provide you with a reliable or optimum solution. Here are five major reasons for saying this...

Top Article 8

Better, Faster, More Confident 25+ Gbps Via Design: Applying Decomposition and Image Impedance

By Ben Toby, Karl Bois

Any discontinuity in a printed circuit board communication channel has the potential to significantly distort the signal propagating through it. This difficult-to-equalize distortion eats into loss budgets, ultimately reducing channel reach.

Top Article 10

Test-Fixture De-Embedding 101

By Jason Ellison

Typically, high-frequency VNAs measure interconnects and other RF devices on test fixtures. Test fixtures are something that signal integrity (SI) engineers need, but do not want. They are expensive, difficult to design, and cloud the performance of the device under test (DUT). De-embedding makes the murky waters between the SI engineer and the DUT clear by removing the fixture from the measurement.

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