National Instruments NI 6120 用户手册
Appendix A
Specifications
A-4
ni.com
Dynamic Characteristics
Interchannel skew ...................................1 ns typ
Analog filters
Number
NI 6115.....................................2
NI 6120.....................................1
Type
NI 6115.....................................3-pole Bessel
NI 6120.....................................5-pole Bessel
Frequency
NI 6115.....................................50 and 500 kHz
(software-enabled)
NI 6120.....................................100 kHz
(software-enabled)
Crosstalk .................................................–80 dB, DC to 100 kHz
Table A-3. NI 6115 Analog Input Dynamic Characteristics
Input Range
Bandwidth
(MHz)
1
SFDR Typ
(dB)
2
SFDR Max
(dB)
CMRR
(dB)
3
System Noise
(LSB
rms
)
4
±50 V
5.5
78
70
34
0.35
±20 V
4.4
78
70
40
0.45
±10 V
7.2
81
75
46
0.35
±5 V
4.8
81
75
52
0.35
±2 V
4.8
85
75
60
0.45
±1 V
4.4
85
75
66
0.60
±500 mV
4.4
85
75
70
0.80
±200 mV
4.1
81
70
72
1.3
1
–3 dB frequency for input amplitude at 96% of the input range (–0.3 dB)
2
Measured at 100 kHz with twelfth-order bandpass filter after signal source
3
DC to 60 Hz
4
LSB
rms
, including quantization