This blog is a place to learn about electronic systems design, from PCB design to simulation and verification, to manufacturability and manufacturing execution.

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PADS Tips and Tricks: Object Snapping

PADS Tips and Tricks: Object Snapping

With PADS 9.4.1, the user was given new controls during the creation and editing of drafting shapes.  You can now…

Are You Sure Your Manufacturing Outputs Are Good?

Are You Sure Your Manufacturing Outputs Are Good?

I’ve been presenting at a bunch of seminars throughout the world over the past few months.  One of the presentations…

PADS Tips and Tricks: Modeless Commands

PADS Tips and Tricks: Modeless Commands

PADS – deservedly so – has the reputation of a powerful, easy to use tool.  The menus and dialog boxes…

When to remove via stubs and non-functional pads?

When to remove via stubs and non-functional pads?

For SERDES channel designs, board/system designers are told to remove stubs and non-functional pads (NFP) of vias on channels to…

Process of via design and verification

Process of via design and verification

  Designers dealing with SERDES channels pay more and more attention to signal via effects. Many literatures and guidelines talk…

PADS Tips and Tricks: Placement Report for Pick and Place

PADS Tips and Tricks: Placement Report for Pick and Place

It’s easy to output a file from PADS Layout for use during manufacturing by the pick and place machines.  Customers…

Got integrity?

Got integrity?

Well, of course you do – most engineers are pretty good people.  Actually, as much as I’d like to brag…

Impedance

Impedance

Impedance is an important concept in many different realms of engineering. We often see it in our everyday life, especially…

What to analyze?

What to analyze?

In my previous blog, I talked about how a printed circuit board is nothing more than a path for signals…