From: Don Pearce
Subject: Re: Audio noise in diff amps
Date: Thu, 19 Dec 2002 22:17:16 +0000
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On Thu, 19 Dec 2002 14:12:00 -0500, "JD" wrote:
>"John Woodgate" wrote in message
>> Apart from typos, they have both been right all along. The whole shebang
>> is just due to different interpretations of the symbol 'dBm'. When I
>> meticulously correct the wrong use of symbols (which I rarely dare to do
>> on the net), I am called 'pedantic', but symbols are part of our
>> technical language and if we write 'green' but mean 'red' (or even
>> 'Greek'), there are bound to be disputes.
>It is hard to decide when to help with 'correctness' or assume that people
>really understand what is going on. Even i and j for the imaginary operator
>are slightly different (but often ignored.)
>I believe in this rather esoteric discussion, that correctness should overcome
>'conflict avoidance.' It is helpful for those who are learning.
As far as I know, i and j are identical - the difference is that
mathematicians tend towards i, while engineers prefer j.
Is there really more to it than that?