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The length of your terminator doesn’t matter

Many designers go to great lengths to make sure they do appropriate length-matching, even to…

Vias are longer than their length

Yeah, that’s what I said.  Vias are longer than their length.  Phrased more appropriately, the delay…

How do you manage your trace lengths?

Too often I see people just using straight length to manage their board timing.  Or…

S-parameters are for more than just packages

In the digital design world, we have typically only seen S-parameters used to model packages. …

Making SERDES sims faster with IBIS-AMI

You may have heard lately about IBIS-AMI models, which are being used more often for…

Tired of waiting for your SPICE to finish?

Anyone who has ever had to simulate a SERDES interface knows how long it take…

What’s driving the need for PCB power design?

I talk with a lot of customers about their designs and what’s needed to get…

HyperLynx 8.1 released!

Last week we released the official version of HyperLynx 8.1. If you’ve been a beta…

Fundamentals of SI (Part 3) – Impedance

We’re finally on to the next logical step in our study of signal integrity –…