Does trace width matter much?

Does trace width matter much?

I guess that all depends on what you are talking about… for Signal Integrity, trace width is very important, as…

How to connect a capacitor?

How to connect a capacitor?

Capacitors are the backbone of a board power distribution network, or PDN.  However, just as important as having the capacitors…

What capacitor values do I use?

What capacitor values do I use?

A common question when designing a PDN (power distribution network) for a printed circuit board is which capacitor values to…

Which do I choose – simulation or measurement?

Which do I choose – simulation or measurement?

When designing a PCB, part of the design process is making sure the PCB works correctly.  At the very least,…

Correlating simulation and measurement

Correlating simulation and measurement

We go through great pains to ensure that our analysis tools give highly accurate answers in the most efficient manner…

Simulation and measurement

Simulation and measurement

A few months ago my colleague Chuck Ferry posted a blog about a correlation study he did for DesignCon, where…

How much stitching do I need?

How much stitching do I need?

If signal integrity engineers had the power to make their jobs as easy as possible, every signal in an electronic…

Pick a layer and stick with it

Pick a layer and stick with it

One of the nice things about newer, faster busses like DDR3 and DDR4 is on-die termination.  They are nice because…

Manage reference plane changes for quiet boards

Manage reference plane changes for quiet boards

In the past I have blogged about crossing splits in reference planes.  This is probably the most glaringly obvious of reference…