National Instruments 1142 用户手册
Appendix A
Specifications
© National Instruments Corporation
A-3
Bandwidth and response time
System Noise
THD
1 kHz............................................... –70 dB
0–25 kHz ........................................ –60 dB
Input noise..............................................
Output noise ........................................... 500 µV
rms
Table A-1. Settling Time with Respect to Cutoff Frequency
Module
Bandwidth
Step Response Settling Time in ms
(Full-Scale Input Step)
±1%
±0.1%
±0.024%
SCXI-1141
10
100
1000
25000
5250
103
10
0.575
10805
4500
887
0.97
14585
7380
4090
2600
SCXI-1142
10
100
1000
25000
3595
4480
815
19.55
9335
8085
5965
250
13960
11365
9590
3174
SCXI-1143
10
100
1000
25000
5000
547
270
73
10676
8140
6207
1399
13514
11567
10419
4838
30 nV
f
c
×