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Today's Fresh Blogs...| Super Low THD+N [Dr. Joan Bushwell's Chimpanzee Refuge] |
| Published: August 2, 2007, 2:21 pm |
| Tags: Techies Amp Technology |
| announced a couple new op amp families producing a total harmonic distortion plus noise spec of 0.00003%. These devices are aimed squarely at higher end audio applications and also offer a very low voltage noise spec of 2.7 nanovolts per root-Hertz with a flicker noise corner of 60 Hertz. I find these numbers to be pretty impressive, |
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| How Edison are you? [Dr. Joan Bushwell's Chimpanzee Refuge] |
| Published: August 5, 2007, 11:21 am |
| Tags: Techies Amp Technology |
| invented the incandescent lamp and ultimately a new power-grid system to take advantage of same) but the man spent his entire life developing new things and improving existing ones. His first patented invention was an automated vote recorder for Congress, which, it must be said, didn't keep him from moving from the New York City area to |
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| A Mnemonic Device for Electrical Students [Dr. Joan Bushwell's Chimpanzee Refuge] |
| Published: September 9, 2007, 8:35 pm |
| Tags: Techies Amp Technology |
| make them up yourself. For example, beginning electrical engineering and technology students are faced with the task of memorizing the resistor color code. The code is used to denote the nominal value of resistors with a total of ten colors corresponding to the numerals 0 through 9: Read the rest of this post... Read the comments on this |
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| The High Cost of College Textbooks [Dr. Joan Bushwell's Chimpanzee Refuge] |
| Published: September 14, 2007, 1:38 pm |
| Tags: Techies Amp Technology |
| the ever-exciting Op Amps and Linear Integrated Circuits mentioned on the sidebar, complete with color-coordinated matching laboratory manual). The thoughts that follow are my own and do not necessarily represent those of my publishers, my college, or college bookstore. Read the rest of this post... Read the comments on this |
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| Language Trends in Embedded Systems Programming [Dr. Joan Bushwell's Chimpanzee Refuge] |
| Published: September 17, 2007, 11:58 am |
| Tags: Techies Amp Technology |
| The latest Embedded Systems Design features an overview of their annual comprehensive programmer's survey. ESD (an unfortunate acronym for a hardware journal) has offered the same survey for the past few years to engineers and programmers in both the USA and Europe, seeking info on their current and anticipated needs, projects, tools, and the like |
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| A Sale of Two Titles [Dr. Joan Bushwell's Chimpanzee Refuge] |
| Published: September 17, 2007, 2:51 pm |
| Tags: Techies Amp Technology |
| It was the best of times, it was the worst of times, it was.. Oops. Sorry, already been done. Start again. The other day I brought up some thoughts concerning the high cost of college textbooks. In the arena of science and engineering there are issues with the fairly narrow audience and resultant low volume, and some difficulties with the used |
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| USB 3.0 [Dr. Joan Bushwell's Chimpanzee Refuge] |
| Published: September 27, 2007, 1:44 pm |
| Tags: Techies Amp Technology |
| This week's Electronic Engineering Times features a short article on the upcoming USB 3.0 spec. The main highlight is a target transfer rate of 4 Gigabits/second (10 times the current rate) providing usable data at 300 Megabytes/second. This rate would challenge IEEE 1394 (AKA FireWire). USB 3.0 is being referred to as "Super Speed USB" and will |
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| DIY Lab Gear: Vibrating String Apparatus [Dr. Joan Bushwell's Chimpanzee Refuge] |
| Published: October 18, 2007, 1:53 pm |
| Tags: Techies Amp Technology |
| Sometimes I can't seem to find just the right lab equipment I want for a particular experiment so I design it myself. Such was the case recently for a course I developed and teach entitled Science of Sound. This course is a natural science elective and deals with the physics of audio and acoustics. We start with a few very basic concepts such as |
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| Combining C With Assembly [Dr. Joan Bushwell's Chimpanzee Refuge] |
| Published: December 22, 2007, 9:12 pm |
| Tags: Techies Amp Technology |
| path. What follows is an example of two code variations on the ubiquitous string copy function. In C, strings are nothing more than a contiguous packed array of bytes. Both functions do the same thing: they copy bytes from the source string to a destination string until (and including) a null character is reached (which signifies the end of the |
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