From: John Woodgate
Subject: Re: Output Impedence
Date: Thu, 31 Oct 2002 21:50:11 +0000
Organization: JMWA Electronics Consultancy
Reply-To: John Woodgate
NNTP-Posting-Date: Fri, 1 Nov 2002 07:33:38 +0000 (UTC)
X-Newsreader: Turnpike (32) Version 4.01 <5Z8C9wtxbnpWyFnyfFzqmVF739>
I read in sci.electronics.design that Tom Bruhns wrote
(in <firstname.lastname@example.org>) about 'Output
Impedence', on Thu, 31 Oct 2002:
>For John: I'm interested in 0.1dB because I do instrumentation.
>What's required for audio is very subjective; what's required for
>instrumentation is to a degree also, but folk at least often have
>valid reasons for wanting some particular level. And 0.1dB does get
>it down to a level where not many audiophiles will balk.
I don't criticize 0.1 dB for instrumentation. I commented mainly so that
others should be aware that your criteria aren't normal for even good
> But the key
>point is that load resistance does affect the bandwidth, whether
>you're measuring to 0.1dB flatness, 1dB, or 3dB.
Regards, John Woodgate, OOO - Own Opinions Only. http://www.jmwa.demon.co.uk
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