Monthly Archives: January 2014

A PCB Thermal Computation Example

I am doing some self-training on electronic thermal analysis. As part of my self-training ritual, I often work through vendor application notes. This post will show how I work through an application note using Mathcad. I chose the Apex SA57 evaluation board (Figure 1) because Apex had the most complete worked example that I have seen. Continue reading

 
Posted in Electronics | 6 Comments

Wasted School Time

Quote of the Day Censorship reflects a society's lack of confidence in itself. — Potter Stewart Introduction I frequently talk to young engineers who have just completed university. I am always curious as to what they studied in school. I … Continue reading

 
Posted in Osseo, Personal | 4 Comments

Times of Latest Sunrise and Earliest Sunset

Quote of the Day The road to wisdom? Well, it's plain and simple to express. Err and err and err again, but less and less and less. — Piet Hein Introduction I have lived most of my life in Minnesota, … Continue reading

 
Posted in Astronomy, General Science | 3 Comments