Peter Feucht wrote:

> So in these cases a very fundamental description may be very helpful, even
> if it appears way too trivial for others.

I agree, in principle. I learn something simple almost every day :)

But the solution of a simple "Dreisatz" (not sure what the translation of 
this term in English is) is not engineer's math, it is something most 
pre-college students should be able to do:

"If 5V results in 255 counts (and the relationship is proportional), 1.6V 
results in how many counts?"

"If with $5 you can buy 255 widgets, how many widgets can you buy with 
$1.6?"

I don't think the solution of this "riddle" is a "Design Idea". An engineer 
who has to memorize such "solutions" (instead of instantly creating them 
when needed) probably has a hard time that cannot be relieved by reading 
EDN :)

Gerhard

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