[time-nuts] HP 5370B
mikes at flatsurface.com
Sat May 10 10:18:34 EDT 2008
At 09:22 AM 5/10/2008, Didier Juges wrote...
>Most microwave network analyzers have amplitude
>resolution of 0.01dB, while their accuracy is just around 1dB in most
>I have had to argue too many times that a piece of equipment with a
>requirement on flatness was just fine when it measured 2.01dB on the
>network analyzer. I would not have gotten in that argument if the data
>been 1.99dB. Go figure.
I figure you're both wrong. If the measuring instrument is no better
than 1 dB absolute, you can't expect to do it - a flat line measurement
could represent an actual + or - 1 db, the limit of the spec.
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