©
National Instruments Corporation
25
NI 5402/5406 Calibration Procedure
Repeat steps 10 through 18 for each of the iterations listed in Table 5,
changing the
Digital Gain
,
Amplitude
, and
DC Offset
values for each
iteration.
Table 5.
Values for Verifying DC Gain and Offset Accuracy
Iteration
Digital Gain
Amplitude
(V
pp
)
DC Offset
(V)
Ideal DC
Output
(V)
Calibration
Test Limit
(V)
Published
Specification
(V)
1
1
18
1
10
±0.038
±0.097
2
–1
18
–1
–10
±0.038
±0.097
3
0
0.07
9.965
9.965
±0.015587
±0.052175
4
0
0.07
–9.965
–9.965
±0.015587
±0.052175
5
0
0.07
8.465
8.465
±0.013337
±0.044675
6
0
0.07
–8.465
–8.465
±0.013337
±0.044675
7
0
0.07
6.965
6.965
±0.011088
±0.037175
8
0
0.07
–6.965
–6.965
±0.011088
±0.037175
9
0
0.07
4.965
4.965
±0.008087
±0.027175
10
0
0.07
–4.965
–4.965
±0.008087
±0.027175
11
0
0.07
3.465
3.465
±0.005837
±0.019675
12
0
0.07
–3.465
–3.465
±0.005837
±0.019675
13
0
0.07
2.365
2.365
±0.004188
±0.014175
14
0
0.07
–2.365
–2.365
±0.004188
±0.014175
15
0
0.012
1.994
1.994
±0.003515
±0.01203
16
0
0.012
–1.994
–1.994
±0.003515
±0.01203
17
0
0.012
1.494
1.494
±0.002765
±0.00953
18
0
0.012
–1.494
–1.494
±0.002765
±0.00953
19
0
0.012
1.094
1.094
±0.002165
±0.00753
20
0
0.012
–1.094
–1.094
±0.002165
±0.00753
21
0
0.012
0.794
0.794
±0.001715
±0.00603
22
0
0.012
–0.794
–0.794
±0.001715
±0.00603
23
0
0.012
0.594
0.594
±0.001415
±0.00503
24
0
0.012
–0.594
–0.594
±0.001415
±0.00503
25
0
0.012
0.394
0.394
±0.001115
±0.00403
26
0
0.012
–0.394
–0.394
±0.001115
±0.00403
27
0
0.012
0.269
0.269
±0.000928
±0.003405
