Put your charts away

Put your charts away

For over 50 years, designers have been calculating current-carrying capacity on PCBs using charts created by the Navy in 1956…

Co-simulation gets you the real answer

Co-simulation gets you the real answer

Simulation is a way of predicting reality.  The more information we put into the simulation, the better our prediction of…

Need stitching vias?

Need stitching vias?

When trying to design SERDES signals on board, designers often receive recommendations on placing stitching vias around differential signal vias…

PADS Tips and Tricks: Pin Swapping

PADS Tips and Tricks: Pin Swapping

This tip comes from Bill Tkachuk in CSD. Do you want to do pin swapping in a PADS Logic/PADS Layout…

Turn off your phone!

Turn off your phone!

Everybody knows you are supposed to turn off your phone and other electronic devices when you are on a plane.  You…

Is it SSN or is it Crosstalk?

Is it SSN or is it Crosstalk?

In the lab, both simultaneous switching noise (SSN) and crosstalk look the same.  They appear as unwanted pulses of energy…

Crosstalk is everywhere

Crosstalk is everywhere

Crosstalk is everywhere.  Really, in a more general sense, noise coupling is everywhere.  Usually the method of noise coupling is…

PADS Tips and Tricks: Via Shielding

PADS Tips and Tricks: Via Shielding

Here’s another Tip from Yan Killy, Technical Marketing Engineer: It is a common practice to use vias to shielding high…

The cure for sick waveforms

The cure for sick waveforms

Found a signal integrity problem in the lab?  How do you go about fixing it?  Well, if it’s a SERDES…