On Thu, 4 Dec 2008 22:39:37 -0800, "RST Engineering \(jw\)"
wrote:
Nachos be good.
Margaritas be unacceptable.
Real world is what we give to our students out-the-door.
{;0(
Jim
You could show your students an analysis of how small errors in the
classic "differential amplifier" are disastrous.
The real world ain't AofE... the real world is nasty.
I penciled out a real world (nearly trivial) solution just now over
nachos... will post tomorrow ;-)
...Jim Thompson
[snip]
You don't like Margaritas ?:-)
See attachment for how I'd avoid the extraordinary matching required
to accomplish the "academic" differential OpAmp.
...Jim Thompson
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I love to cook with wine Sometimes I even put it in the food