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July 2007
New Calculator
Tuesday, 31 July 2007 8:57 P GMT-06
As mentioned in the previous article on engineers and their calculators , one of my Sharp calculators broke. I first looked at Sharp models to replace it, but I just bought a Sharp calculator within the past year (EL-506W) and it appears that t
Category: Engineering Profession
PCI-Express Cable System Signal Integrity Measurements
Wednesday, 25 July 2007 8:29 P GMT-06
Making signal integrity measurements directly in system for a PCI-Express cable interconnection is tricky. You will not likely have good design information about the PC add in board you are using to know which vias you can probe the signals at,
Category: High Speed Digital Design
Air Conditioner Leaking Again
Wednesday, 25 July 2007 8:13 P GMT-06
So far this year our air conditioner had not leaked again like last year, until yesterday. It was hot and muggy yesterday, probably the first such day of the summer, and the air ran basically all day. Even though it was running constantly
Category: Home Projects
Shed Construction Project - Conclusion
Sunday, 22 July 2007 9:16 P GMT-06
This is the final article of the article series on the construction of my shed.Today I finished the touch up painting of the brown trim paint.Total Time Spent = 1 hour Here are some pictures of the finished shed. The total person hours spen
Shed Construction Project - Painting
Saturday, 21 July 2007 8:33 P GMT-06
This is a continuation of the article series on the construction of my shed.Today we painted the shed. The trim and under the soffits has been painted brown and the walls were painted yellow. Ace Exterior paint was used. First the t
Category: Home Projects
More Recent Communication Bus Statistics
Monday, 16 July 2007 8:27 P GMT-06
The following table contains some statistics about digital communication busses that I have recently seen in designs, notably the bus length to bit period statistic that I have talked about in the past (the higher the bus length to bit period ratio,
Category: Digital Design Statistics
Shed Construction Project - Paiting: Primer 2
Sunday, 15 July 2007 10:05 A GMT-06
This is a continuation of the article series on the construction of my shed. Yesterday I finished priming under the soffits on the shed, as suggested by my wife. The process was very tedious, and part way through I decided to go buy a paint spr
Category: Home Projects
Ice Based Cooling System
Saturday, 14 July 2007 8:42 P GMT-06
I saw an article on Yahoo News recently about some large buildings in New York using ice for cooling in the summer [1]. Basically the way the system works is large tanks of water are frozen and the ice is used to cool air that is distributed t
Category: Energy
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