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Analog Integration Is Still a Healthy Design Activity

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William K.
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Gold
Is anaolg obsolete?
William K.   6/29/2011 6:32:31 PM
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IT is still an analog world, although a lot of engineers don't have the skill levels needed to work well with analog circuits, that does not mean that what is in the real world is not analog. Digital electronics is just a small subset of the analog world, as the speed of everything increases the analog aspect becomes both more obvious and harder to handle. 

The sad reality is that not being skilled at working with something does not make it less important or less real. Pease was totally correct in his assertions. Even attemting to use modeling can be a challenge, since very seldom are the results of a model based analysis any better than the model used to produce them. Why is it so hard to understand:an incomplete model will usually provide incomplete results.

William K.
User Rank
Gold
Is anaolg obsolete?
William K.   6/29/2011 6:32:30 PM
IT is still an analog world, although a lot of engineers don't have the skill levels needed to work well with analog circuits, that does not mean that what is in the real world is not analog. Digital electronics is just a small subset of the analog world, as the speed of everything increases the analog aspect becomes both more obvious and harder to handle. 

The sad reality is that not being skilled at working with something does not make it less important or less real. Pease was totally correct in his assertions. Even attemting to use modeling can be a challenge, since very seldom are the results of a model based analysis any better than the model used to produce them. Why is it so hard to understand:an incomplete model will usually provide incomplete results.

Brad Wood
User Rank
Iron
couldn't agree more
Brad Wood   6/29/2011 5:22:10 PM
And the systems approach is so critical.  The symbol (i.e., "digital") domain is a wonderful thing.  But it is not just a matter of getting into it at the input and out of it at the output.  Real-time systems will almost always benefit from interactions at multiple levels.  And sometimes --- if you are a clever designer --- the analog domain, or extended analog domain with discrete-time operations etc. --- will be the optimal solution to a problem.

But analog expertise cannot readily be acquired in a few years at the university, whereas some useful skills in digital may be.  So it is understandable that people will gravitate to digital if they are looking to find employment right out of school.

I have had people tell me that I must be obsolete when I mention my analog specializations.  They have been saying that for at least 20 years now, and every time I hear it I know I'll continue to find work.

BobFrostholm
User Rank
Blogger
Analog Integration
BobFrostholm   6/29/2011 3:47:31 PM

Bob and Jim will be missed by all in the electronics industry. Without their early efforts, and the creative genius of other notable Analog pioneers like Widlar, Dobkin, Gifford and many others, the state-of-the-art of Analog integration would have remained in the dark ages.

 

From them, we’ve learned that true Analog can not be compromised.  It is as much an art as it is a science.

 

Bob Frostholm

JVD Inc.

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