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The PCB can be no better than the underlying footprints and symbols. A lot of boards end up as scrap or are only partially useful due to improper footprints. Extra design cycles to fix these preventab
Why Do Cell Phones Get Hot?
How many times have you noticed your mobile device getting a little warm to the touch? Most of the time, it’s not a big deal. But sometimes it is: A few models of phones have gotten so hot that they h
How Do I Keep My Data Cool?
In 1965, Gordon Moore predicted that computing power would double every two years at the same cost. This model is known as Moore’s Law. In theory, Moore’s Law is the very definition of rapid progress—
Thermal Challenges for Industrial Machinery
A single failure of a machine due to heat can bring down an entire assembly line to halt. At the printed circuit board level, we designers need to provide the most robust solutions to keep the wheels
Make Reliable Designs That Won’t Fail In The Real World!- Use Smoke Analysis In PSpice (Part 3 of 4)
Heard about the ongoing recalls in the Automotive and Cellphone industry? Let's address the important issue of Circuit Reliability!
Know How Your Circuit Works!- Using Sensitivity Analysis In PSpice (Part 1 of 4)
When in college, books tell you everything about your circuit. You already know which components are critical in your designs. But, what about when you enter an industry? Sensitivity Analysis helps yo
So, You Want to be a CAD PCB Layout-er
Knowledge workers are of the variety that knows and does something that their manager probably doesn't. Even the schematic capture experts struggle with the layout software. It has always been a...
The sun rises every day. It is reliable. In practical terms, it has always risen and will continue to do so. On a long enough timeline, however, our star will burn out. That's what the...
Notes from the Board Room - on Checklists
Not just one, there should be a sanity check at every major step in the life of a layout. Some of us fondly remember the Apollo program on the grainy black-and-white TVs of the day. The whole...
How Do Manufacturing Tolerances Work?
In July 2017, a rollercoaster ride in Ohio failed dramatically, killing one person and injuring seven others. The cause of the accident? Corrosion. Roller coasters must operate and withstand...
Notes from the Board Room - A day in the life of a Googler
In my quest to become a world famous PCB designer, (stop laughing!) I've taken to putting my own words on the screen and sharing them here. My job is to enable design wins, period. It's a cruel...
What is the Cost of Field Failures?
We see it in the news frequently; a battery explodes, car brakes malfunction, electronic systems are hacked, a material inexplicably fails. Field failures are costly and unforgiving, necessitating...
How Do Collision Avoidance Systems Work?
Driving is a lot more complex than we typically consider when we get behind the wheel each day. But chances are you’ve had a moment—a car that suddenly brakes in front of you, an animal darting...
Root Cause Analysis for General Reliability Issues in Electronics Assembly: Part 1
This week, I attended a webinar hosted by IPC titled, Root Cause Analysis for General Reliability Issues in Electronics Assembly. The presentation was given by Dr. S Manian Ramkumar, a professor...
Root Cause Analysis for General Reliability Issues in Electronics Assembly: Part 2
Part one of our 4-part, webinar-based series “Root Cause Analysis for General Reliability Issues in Electronics Assembly” focused on the difference between quality and reliability. Within the...
Design Strategies - WiFi 802.11
Of course, you know what WiFi is. You can get it wherever money changes hands. Being WiFi-enabled is a low-risk strategy when it comes to the number of hot-spots you're likely to pass through on a...
How (and Why) to Embrace Design Constraints