Signal Integrity Journal

Look Before You Leap

Mon, 16 Oct 2023 00:00:00 -0400

In this installation of Engineering Nightmares, Robert Haller explores a keystone rule to keep in mind when troubleshooting signal integrity problems. Learn why signal integrity engineers should never perform a measurement or simulation without first anticipating what they expect to see.

Digital Dinosaur: A Fresh Dig at an Old Design

Tue, 22 Jan 2019 00:00:00 -0500

My aging vibration system started faulting. Shaking for 30 years takes a toll on a thing, after all. The system is pretty straightforward, just a big stack of audio amps and a controller. Much to my lab manager’s chagrin, I had been intentionally ignoring the warning signs.

Cyclic Redundancy Check (CRC) Nightmares

Fri, 15 Dec 2017 00:00:00 -0500

Read on for another installment of the Engineering Nightmares blog, where Robert Haller aims to share his experiences to help others quickly debug their lab nightmares!

Mysterious Case of the Flapping Switch

Thu, 07 Sep 2017 09:21:00 -0400

Every network engineer’s nightmare is when you hear from your local technical assistance engineer that a problem is happening in the field on a product already shipping. See how Bob Haller sleuthed his way through a significant troubleshooting challenge, using the tools at hand and some real ingenuity.