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PCB Design Blog

8 Jan, 2013

Fix The Problems, Not The Symptoms!

Posted by Michael Ford

Michael Ford

Fixing problems can seem hard, there is always a momentum resisting change. Is it better though, to spend time and effort to fix the symptoms of the problem? Quite honestly, no. The UK had a lot of rain recently, but, the growing season is coming around again and the greenhouse is only partially complete, so the week-end was spent outside digging in the mud, again. The next door neighbour comes along,

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7 Jan, 2013

Pick a layer and stick with it

Posted by Patrick Carrier

Patrick Carrier

One of the nice things about newer, faster busses like DDR3 and DDR4 is on-die termination.  They are nice because you don’t have a bunch of components clogging up your routing layers, and I would say more importantly, it limits your required layer transitions which can help make your boards quieter.  So take advantage of the fact that you don’t have to route out to a terminator and try

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4 Jan, 2013

Patrick Carrier

In the past I have blogged about crossing splits in reference planes.  This is probably the most glaringly obvious of reference plane changes, and will of course result in radiation from the signal.  But another type of reference plane change which is more common, and usually much less avoidable, is when a signal transitions layers through a via.  In such a case, the reference planes will change and

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DDRx, SERDES

14 Dec, 2012

Andre Mosley

Much of the your end PCB product costs can be directly influenced by the parts selected up front during the schematic capture phase of the design process. When you incorporate information into the designer’s part selection interface such as preferred part status, compliance, and/or obsolescence, you can reduce the work and rework of designs thus saving you additional costs. Today, it is a challenge

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13 Dec, 2012

Check out our 2012 Webinar content!

Posted by Gary Lameris

Gary Lameris

Short for Web-based seminar, a presentation, lecture, workshop or seminar that is transmitted over the Web.   This week the DxDesigner team completed a series of 4 webinars with the following titles: Unleash the Full Power of Your PCB Design Software Tools Is Your PCB Engineering Team Collaborating Efficiently? Scalable Design Creation Technology for Your PCB Design Flow Reduce Product Costs with Intelligent

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13 Dec, 2012

The Forecast Is Killing Me!

Posted by Michael Ford

Michael Ford

Grand-father clocks have always been interesting for me. Big old timepieces, made what appear to be hundreds of years ago, with a slow and somehow imprecise tick-tock.  Looking at the second-hand going around, it is not the precise tick of a modern digital device, the hand drops forward to the next second, then somehow rears itself backwards ready for the next lurch forward. It reminds me of the ageing

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7 Dec, 2012

How Do You Design with FPGAs?

Posted by Randall Myers

Randall Myers

Since FPGAs, field programmable gate arrays, are in their very nature fluid and changing, how do you force them into your electronics design techniques that all assume fixed parts?  Hardware design uses, well… hardware, physical chips and resistors that have fixed functionality.  We pull parts from libraries, wire them up, lay etch and build the gizmo.  FPGAs throw out the definition of hardware

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FPGA

7 Dec, 2012

Gary Lameris

Did you know that support for documenting your designs with custom borders has been enhanced in recent releases of DxDesigner to automate and improve the ease of use and accuracy in documenting your electronic designs.  Several Parameterized Properties  reflect the current design information on your border symbol.  Properties like @NAME, @SHEET, and @PRINTORDER are used to display the information specified

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7 Dec, 2012

Make a Positive Impact with DMS

Posted by Andre Mosley

Andre Mosley

Because of today’s difficult design environments, business demands closely correspond with component selection for push for time-to-market demands, minimum flexibility in schedules, and constant pressure for productivity costs. Parts selected during PCB schematic capture directly impact the cost of the finished product. Mentor Graphics PCB Data Management System (DMS) can lower product cost by incorporating

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3 Dec, 2012

It’s Not The End Of The World!

Posted by Michael Ford

Michael Ford

Oh boy, the 21st of December is the end of the world. Again. I think in this case, we can be pretty sure that it is not going to happen, apparently there were errors in way that the calculations were done with the Gregorian calendar mean that we probably should already have disappeared. Data can be quite so misleading, as can selective interpretation. It happens all over the place, including on the

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28 Nov, 2012

And the Winner is...

Posted by Gary Lameris

Gary Lameris

In the blog post on Chromatic Color Schemes Within DxDesigner I offered a prize for the best color scheme submitted! I want to congratulate LeYuan for the winning entry and thank everyone who entered and responded back with the color schemes you use or designed. Stay tuned for another promotion soon and feel free to comment or respond to any of the DxDesigner blogs and ask your own questions to the

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21 Nov, 2012

DxDesigner Navigator Tips

Posted by Gary Lameris

Gary Lameris

Are you aware of the power of the DxDesigner Navigator in EE7.9.4 or PADS 9.5?  As shipped the Navigator isn’t very exciting in appearance with the default display in the tree of symbol names and net names.  But it is useful for opening pages, zooming to a component, renaming nets and components or simply selecting a net and double clicking to zoom to fit.  Design information is lacking, because

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14 Nov, 2012

Aegis & DiPlan

Posted by Michael Ford

Michael Ford

Here we go again. Another merger of companies with significant overlap of portfolios. In the past when this has happened, as in the case with Technomatix, Unicam, Fabmaster etc., many customers were confused about how any “new solutions” would appear. Would there be a move to one standard system, would the systems co-exist, how would they connect? These were initial questions. The next questions were

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13 Nov, 2012

Gary Lameris

For those who missed today’s webinar titled  Is Your PCB Engineering Team Collaborating Efficiently?  The archived addition is now live!  This was the second in the series of four webinars on DxDesigner.  To see the first webinar and subscribe to the next two, click to register for the webinar series. In webinar number two on concurrency, I reviewed why concurrency is important and how the innovative

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5 Nov, 2012

Introducing Aspen

Posted by Gary Lameris

Gary Lameris

You may have noticed many of the demo graphics used are new to the 7.9.4 release. The Aspen demo was designed to showcase the Expedition Enterprise flow starting with DxDesigner and I/O Designer and continuing through Expedition XtremePCB and Valor. On Tuesday, November 13 during my webinar on concurrent engineering I will feature Aspen and how the Mentor Technical Marketing team used the integrated

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