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May 2007
Standby Power
Wednesday, 30 May 2007 6:37 A GMT-06
I saw a small blurb in my recent Kiplinger's magazine about the waste of standby power from devices like TV's, VCR's and computers when they are not being used. These devices consume a little bit of power when they are plugged in and off, and t
Category: Energy
DC-DC Switching Converter Noise Performance
Wednesday, 23 May 2007 8:57 P GMT-06
I'm not a power supply designer, but as a high speed digital design engineer the importance of the power supply is obvious. Noisy power supplies translate into signal integrity problems. There was an article in a recent EDN magazine d
NASA Master Clock
Wednesday, 23 May 2007 8:46 P GMT-06
NASA is currently developing a new system for distributing timing reference information over long distances. The new system will replace an older system called the Deep Space Network (DSN) frequency and timing subsystem (FTS). The new sys
Category: Digital System Architecture
Signal Integrity Measurement
Wednesday, 23 May 2007 8:10 P GMT-06
Making measurements is the most important skill for ensuring good signal integrity in digital systems. Signal integrity measurements allow the engineer to build confidence in how the design is performing to ensure that it meets not only the fun
Category: High Speed Digital Design
Fluorescent Light Bulb Experiment Part 8
Saturday, 5 May 2007 9:25 P GMT-06
I had the first fluorescent light bulb from this experiment series burn out. It was the one installed in the basement craft area installed on 1/1/2006. This was a GE 100 bulb with a guaranteed lifetime of 8000 hours. The bulb only l
IPOD Electromagnetic Emissions
Tuesday, 1 May 2007 8:27 P GMT-06
I purchased an IPOD charger from Ebay recently. The charger plugs into an AC outlet and provides a USB connector that you can plug the USB cable that comes with the IPOD into. The charger provides the 5V supply on the USB connector pins t