To My Readers



If this is the first time you're visiting my blog, thank you. Whether you're interested or just curious to find out about PCB reverse engineering (PCB-RE), I hope you'll find something useful here.

This blog contains many snippets of the content in my books to provide a more detailed overall sampling for my would-be readers to be better informed before making the purchase. Of course, the book contains more photos and nice illustrations, as evidence from its cover page. Hopefully, this online trailer version will whet your appetite enough to want to get a copy for yourself.

Top Review

I started doing component level repair of electronics with (and without) schematics more than 40 years ago, which activity often involves reverse-engineering of printed circuit boards. Although over the years my technical interests have shifted into particle beam instrumentation, electron microscopy, and focused ion beam technology fields, till this day——and more often than not——PCB repairs have returned multiple multi-million-dollar accelerators, FIB, and SEM instruments back to operation, delivering great satisfaction and some profit.

Many of the methods described by Keng Tiong in great details are similar to the approaches I've developed, but some of the techniques are different, and as effective and useful as efficient and practical. Systematic approach and collection of useful information presented in his books are not only invaluable for a novice approaching PCB-level reverse engineering, but also very interesting reading and hands-on reference for professionals.

Focus on reverse engineering instead of original design provides unique perspective into workings of electronics, and in my opinion books by Keng Tiong (I've got all three of them) are must-read for anybody trying to develop good understanding of electronics——together with writings by Paul Horowitz and Winfield Hill, Phil Hobbs, Jim Williams, Bob Pease, Howard Johnson and Martin Graham, Sam Goldwasser, and other world's top electronics experts.

Valery Ray
Particle Beam Systems Technologist

Tuesday, June 6, 2017

Why Microsoft Visio?

As the blog URL suggests, I use Microsoft Visio for all my technical illustrations. It it the tool of choice for me ever since I first used it back in 1996. The versatility of this 2D diagramming software in terms of its functions and user interface makes it easy to learn compared to other CAD or CAE programs. This has to do with its initial design concept when the original maker (Shapeware) produced and marketed it in 1992. When Microsoft acquired it in 2000, Visio was given an overhaul and integrated with Microsoft Office. Though it suffered performance issues in the earlier Microsoft releases (as usual), from the 2007 version onward the software has become better in terms of usability and programmability with an improved smartshape structural definition.

Because Visio is a general vector-based graphics editor, it is suited for a wide variety of purposes, not just limited to flowcharts, processes or organizational hierarchies. It's multiple-page feature allows flat or hierarchical representation of schematics just like most CAE tools, less the steep learning curves and rigid component representations.

Besides the PCB layout diagram which you've just seen in the previous post, below is a full-blown schematic diagram of the DS203 nano mini digital storage oscilloscope which I've redrawn from the original using, you guess it, Visio:


This drawing, along with many more illustrations, will be featured in my upcoming book PCB-RE: Tools and Techniques, the sequel to The Art of PCB Reverse Engineering. It features many experts from different fields of the PCB-RE discipline, who will share their experiences and practices on the various aspects related to this niche topic. If you have bought and enjoyed reading my first book, then it might please you to know that the best is yet to come.

So keep a look out for its release in the not too distant future.
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