TIP: Click on subject to list as thread! ANSI
echo: aust_avtech
to: Bob Lawrence
from: Roy McNeill
date: 1996-12-31 21:20:54
subject: Undiff Amp

On (26 Dec 96) Bob Lawrence wrote to Roy Mcneill...





 RM> Line 1: A+B. Line 2: A+C.

 RM> Line 1 - line 2: B-C. Flipped: C-B.

 RM> Flipped added to sum: A+B + A+C + C-B = 2A+2C.

 RM> Flipped added to average (half sum):

 RM> 0.5(A+B + A+C) + C-B = A + 1.5C - 0.5B.



 BL> ... HINT: why doesn't line 2 have some B and Line 1 some C?



 RM> Is this relevant in some way? Doing that doesn't alter the

 RM> original problem at all. Or am I missing something that you

 RM> learned in your recent NDE?



 BL>   No... NDE is not necessary. It's something I learned in 40 years as

 BL> an electronics engineer, something you seem to have missed,



 WHAT, exactly? I still don't get it.



 BL>  btw... go

 BL> straight to the problem rather than buggerise around with basic theory

 BL> that everyone knows but no one talks about... like a pooofter cousin.



 BL>   If you think about the original problem rather than original sin and

 BL> other irrelevancies



 WHAT irrelevancies?



 BL>  you'll perhaps see that your arithmetic really has

 BL> nothing to do with what Chris has in mind.



As far as I can see, a set of simple equations explains the problem

more concisely and clearly than any amount of blather. I still

don't get you. Please elaborate.



And while you're at it, explain why my original equns (not the

above, they were written for Frank) have "nothing to do with what

Chris has in mind".



Regards



ps - happy new year



--- PPoint 1.88


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