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
n
x
2
x
∑
2
–
∑
n n
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
Summary of Contents for N8972A
Page 9: ...ix Declaration of Conformity N8972A ...
Page 10: ...x Declaration of Conformity N8973A ...
Page 11: ...xi Declaration of Conformity N8974A ...
Page 12: ...xii Declaration of Conformity N8975A ...
Page 19: ...Contents xix ...
Page 20: ...xx Contents ...
Page 108: ...88 Chapter2 Test Descriptions Measurement Jitter ...
Page 124: ...104 Chapter3 Technical Specifications General Specifications ...
Page 136: ...116 AppendixA Model N8972A Test Records Measurement Jitter Test Record ...
Page 148: ...128 AppendixB Model N8973A Test Records Measurement Jitter Test Record ...
Page 160: ...140 AppendixC Model N8974A Test Records Measurement Jitter Test Record ...
Page 174: ...154 AppendixD Model N8975A Test Records Measurement Jitter Test Record ...