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© Mark Biegert and Math Encounters, 2013. Unauthorized use and/or duplication of this material without express and written permission from this blog’s author and/or owner is strictly prohibited. Excerpts and links may be used, provided that full and clear credit is given to Mark Biegert and Math Encounters with appropriate and specific direction to the original content.
Monthly Archives: June 2011
How to Interview Engineers
Introduction My youngest son has a long drive to and from work everyday. During his drive home, he frequently calls me to help him pass the time. During a recent drive, we talked about how I interview engineers, which I … Continue reading
Posted in Management
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Another Analog Design Legend Dies
I just saw the announcement that Bob Pease died in a car accident after leaving a memorial to Jim Williams, another analog legend. This is very sad. I have read everything that Bob Pease wrote. His column for Electronic Design, … Continue reading
Posted in Electronics
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Density of a Neutron Star
Introduction Television science programs frequently talk about black holes and neutron stars. A common quote during these programs is something like “a teaspoon of neutron star stuff weighs a billion tons” or some other similar statement. Let’s take a look … Continue reading
Posted in Astronomy
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The Papoulis Filter (aka Optimum “L” Filter)
Introduction Analog engineers often have to design filters, which generally entails a lot of polynomial manipulation. Since I am currently designing some active filters, I thought it would be worthwhile documenting a filter function that I am using right now, … Continue reading
Posted in Electronics
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The Passing of an Analog Electronics Giant
I just saw the announcement that Jim Williams passed away. This guy was an inspiration to me. His apps work at National Semiconductor was a model for the industry. His articles in magazines like EDN provided real-world examples of elegant … Continue reading
Posted in Electronics
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Filter Design Details
Introduction During a recent circuit design review, I saw the need for a simple two-pole filter in one region of the circuit. As I thought about, this filter might be a good example to work through here in the blog. … Continue reading
Posted in Electronics
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Solar Photons
Introduction I was watching “How the Universe Works” on the Science Channel and they had a really interesting discussion on stars and photons. During the show, they mentioned that photons generated in the center of the Sun take 4000 years … Continue reading
Posted in Astronomy, General Science
2 Comments
