Keysight NFA Series User Manual

86 Chapter 2
Test Descriptions
Measurement Jitter
Equation 2-3
where n = number of samples, ∑ = sum, x = measured values
Using an example result of approximately 2.5, the standard deviation
Lin
can be calculated as follows.
σ
nx
2
x
∑


2
–
∑
nn 1–()
-----------------------------------------=
σ =
√ 100*sum(value 1 to 100
2
) - (sum value 1 to 100)
2
/ 100(100-1)
= √ 100* 638.3963 - 63838.4147 / 9900
= √ 0.000123
= 0.011071
Lin
Table 2-23 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

Keysight NFA Series Specifications

General

Brand	Keysight
Model	NFA Series
Category	Measuring Instruments
Language	English