Stability of feedback circuits is generally quantified as phase margin, a function of the phase of the system loop gain evaluated at the frequency where loop gain magnitude goes to one. Introductory analysis uses ideal blocks having low output impedance and uni-direction signal transmission where finding loop gain is relatively straight forward. Real systems have real elemen... |
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You are running a campaign to seek funding for educational computers from Sacramento, California to Augusta, Maine. You need to convince each state to adopt a legal measure that would do so. You know you aren't going to win every state, so you want to visit the states that are most likely to consider your measure. You (unlike me) decide to plan out the trip so that it will be most efficient. You...
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Some good news amid all the gloom and doom.
From Spectrum's August issue:
http://www.spectrum.ieee.org/aug08/6481
Excerpt:
"...Engineers with analog, RF, and wireless skills, as
well as those with postgraduate training, are becoming
harder and harder to find. “If you’re a 20- to
30-year-old ana...
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http://www.spectrum.ieee.org/rndcalc
The IEEE Spectrum R&D 100 Graph-o-Matic gives you access to seven years’ worth of R&D spending data as provided to us by Standard & Poors. Use this tool to compare R&D expenditures, sales, and number of employees among companies, industries, and countries where these companies are based....
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Read more at CircuitDesign.info.
Analog design does not scale the way digital design does. Namely, as process shrinks, one does not immediately benefit by having reduced power consumption for the same performanc... |
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