[time-nuts] HP 5370B
jmiles at pop.net
Sat May 10 20:50:30 EDT 2008
> "I have never had a piece of equipment rejected because a reading was
> 1.99 for a spec of 2 max"
> The statements were made with regard to instrument
> resolution/accuracy/precision. Clearly, measuring 2.01 (or 1.99) on an
> instrument with an accuracy of 1 does not allow compliance with a
> specification of 2 to be met.
Accuracy ratings for digital displays are commonly specified as a percentage
+/- 1 LSD. So given tolerances of +/- 1 dB +/- 1 LSD for the analyzer and
+/- 1 dB for the DUT, 2.01 dB is technically within spec.
-- john, KE5FX
More information about the time-nuts