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In Reply to: Re: Newbie view: have to be 'politically correct' to assylum insiders or beat up posted by john curl on November 25, 2001 at 11:18:26:
Steve, it appears to be virtually impossible to explain anything to you, once you have your mind made up.It's not my mind that's made up. It's the minds of everyone else which establish the commonly understood meanings of the words we use. Unless we share a common understanding of the meanings of the words we use to communicate, then communication becomes difficult or impossible.
The heart of this latest series of 'criticisms' of me was a short comment that I made to Jon Risch about you regarding your apparent lack of understanding of negative feedback.
No, the heart of it wasn't what you said about me, the heart of it is the primary claim you made.
Here is the whole statement:
"Jon R , this shows that Steve doesn't understand the underpinnings of negative feedback. Of course Negative feedback generates the correction voltage to counter the EMF of the loudspeaker, etc. Read a book, Steve." Nov 19, Cable Asylum.Right. So now take out everything you said about me and we're left with this:
Of course Negative feedback generates the correction voltage to counter the EMF of the loudspeaker, etc.
That's the heart of it right there.
Steve strongly objects to the word 'counter'.
I don't object to the word "counter." It's a perfectly good word. Just that when you use that word to make your claim, it makes your claim erroneous based on the common undertanding of the meaning of that word in the context of voltage.
Perhaps 'negate' or 'null' would have been more appropriate.
But the context is voltage. And voltage is force. To negate or null one force by another requires an opposing force. Which in the case of voltage would be a voltage of the same polarity as the voltage you're trying to oppose.
As I said in my previous post, "complimentary voltage" would have been an ideal term to use.
My original comment still works for me, but then I know what I am trying to say.
That's all well and good, but when you're trying to say it on a public forum, you need to use words according to their commonly understood meaning. If you intend them to mean something other than their commonly understood meaning, then expect those words to confuse and to prompt disagreement. And don't try and blame anyone else for any confusion or disagreement that may follow.
I can understand how it can be taken wrongly, but I have done my best to clarify my original statement, to no avail.
It was to no avail because the alternate word you chose (oppose) was synonymous with the first one you used (counter).
Personally, I find it difficult if not nearly impossible to convey mathematically based technical info on this website. It just does not support the symbols that make it practical. I have looked up 'negative feedback' in three of the best textbooks that I have available. I can't find a simple explanation in any of them that can be conveyed on this website. Perhaps someone reading this thread has found a resource that will explain the subject most clearly.
You're making this much more complicated than it is. You don't have to resort to mathematics or textbooks or anything like that. Just have to use words that actually mean what you intend. Here:
Complimentary voltage.
Simple as that.
se
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- Re: Newbie view: have to be 'politically correct' to assylum insiders or beat up - Steve Eddy 11/25/0115:17:41 11/25/01 (0)
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