Agilent Technologies NFA Series, Performance Verification And Calibration Manual

Page: 97 / 184

Chapter 2 85
Test Descriptions
Measurement Jitter
Step 9. Convert the linear standard deviation to Log
10
using
10 * LOG
10
(1+ standard deviation
Lin
)
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:
Table 2-22 Example worksheet
Y-Factor
Reading (Lin) Y-Factor
Reading (Lin) Y-Factor
Reading (Lin) Y-Factor
Reading (Lin)
1-10 11-20 81-90 91-100
2.51173 2.53236 2.51882 2.54814
2.52119 2.52459 2.52375 2.51989
2.53333 2.52733 2.54246 2.52309
2.50778 2.50358 2.52668 2.52371
2.51997 2.52640 2.53861 2.53395
2.53139 2.52554 2.53976 2.54141
2.51906 2.53011 2.54001 2.52784
2.49573 2.51576 2.54133 2.50001
2.52075 2.54708 2.54232 2.54418
2.53547 2.53010 2.55278 2.52636
Standard Deviation = 10 * LOG
10
(1+ standard deviation
Lin
)
= 10 * LOG
10
(1+ 0. 011071
Lin
)
= 0.0478dB