Agilent Technologies HP 8642A/B Spécifications Page 252

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Table 4-4. HP 3048A Spur Marking Criteria
Offset
Frequency
.01 Hz to 100 kHz
>100 kHz to 40 MHz
Number of
Averages
<4
4 to <8
8 to <30
>30
NA
Required Amount Spur
Must Project Out of
Noise to be Marked
30 dB
17 dB
12 dB
6dB
4dB
Considerations for the Spur List Function
The Spur List function can list a maximum of 100 spurs from between
the start and stop measurement range. If there are more than 100 spurs
within this range, you may have to redefine the measurement to a subset
of the initial measurement range.
The systems sensitivity for marking spurs can be determined by plotting
the measurement results normalized to 0 Hz BW. This displays all spurs
(marked and un-marked) at their true level.
4-28 Spur List
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