National Instruments NI 6120 用户手册
Appendix A
Specifications
© National Instruments Corporation
A-11
Figure A-6. NI 6120 THD + N with Filters
Stability
Recommended warm-up time ................ 15 min
Offset temperature coefficient
Pregain
NI 6115 .................................... ±12
µV/°C
NI 6120 .................................... ±1.5
µV/°C
Postgain
NI 6115 .................................... ±64
µV/°C
NI 6120 .................................... ±2.1 LSB/°C
Gain temperature coefficient
NI 6115 ........................................... ±21.3 ppm/°C
NI 6120 ........................................... ±22.2 ppm/°C
With Filters, Full-Scale Input for Range of ±1 V
75
76
77
78
79
80
81
82
83
84
85
1
10
100
Frequency (kHz)
THD+N (
–
dBc)