Re: [LAD] Milivoltmeter - Was FOSS Ethernet Soundcard

On Fri, Dec 04, 2009 at 07:41:56PM +0000, Folderol wrote:

> I decided to do some more detailed investigations, because while I
> totally accept your statements, the actual measured results were quite
> different. I was getting an essentially flat response right the way up
> to 99.9kHz, a little wobble between ranges but no more that +2dB, and
> about +1dB at 40kHz.

Compared to the 0.1% spec on the resistors these are
big errors. 1dB is 12%. 0.1% is less than 0.01dB.

A reasonable target would be 1% accuracy, that is less
that 0.1dB.

Ciao,

-- 
FA
Wie der Mond heute Nacht aussieht !
Ist es nicht ein seltsames Bild ?
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