Keysight NFA Series Performance Verification And Calibration Manual page 107

Step 9. Convert the linear standard deviation to Log
Standard Deviation
Table 2-24
Y-Factor Y-Factor
Y-Factor
Reading Reading
Reading
(Lin) (Lin)
(Lin)
1-10 11-20 21-30
10 * LOG (1+ standard deviation
10
to give the standard deviation for Y-Factor results with no Averaging.
Enter the result into the Test Record ensuring that the measured value
is within its published specification.
Example:
= 10 * LOG
= 10 * LOG
= 0.0478dB
Measurement Jitter Test Worksheet
Y-Factor Y-Factor
Reading Reading
(Lin) (Lin)
31-40 41-50
Chapter 2
)
Lin
(1+ standard deviation
10
(1+ 0. 011071 )
10 Lin
Y-Factor
Y-Factor
Reading
Reading
(Lin)
(Lin)
51-60 61-70
Test Descriptions
Measurement Jitter
using
10
)
Lin
Y-Factor Y-Factor Y-Factor
Reading Reading Reading
(Lin) (Lin) (Lin)
71-80 81-90 91-100
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