National Instruments NI 5422 Manual De Usuario

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NI 5422 Specifications
10
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Spectral Characteristics (Continued)
Spurious-Free 
Dynamic 
Range 
(SFDR) 
without 
Harmonics
Path
Amplitude 
–1 dBFS. 
Measured from 
DC to 100 MHz. 
SFDR without 
harmonics at low 
amplitudes is 
limited by a 
–148 dBm/Hz 
noise floor. 
All values are 
typical and 
include aliased 
harmonics.
Direct
Low-Gain 
Amplifier
High-Gain 
Amplifier
1 MHz
–85 dBFS
–80 dBFS
–77 dBFS
5 MHz
–85 dBFS
–80 dBFS
–77 dBFS
10 MHz
–80 dBFS
–80 dBFS
–77 dBFS
20 MHz
–80 dBFS
–80 dBFS
–77 dBFS
30 MHz
–73 dBFS
–71 dBFS
–68 dBFS
40 MHz
–48 dBFS
–58 dBFS
–55 dBFS
50 MHz
–48 dBFS
–53 dBFS
60 MHz
–47 dBFS
–52 dBFS
70 MHz
–47 dBFS
–52 dBFS
80 MHz
–41 dBFS
–52 dBFS
Average Noise 
Density
Path
Amplitude 
Range
Average Noise Density
Average Noise 
Density at small 
amplitudes is 
limited by a 
–168 dBm/Hz 
noise floor.
V
pk-pk
dBm
dBm/Hz
dBFS/
Hz
Direct
1.00
4.0
19.9
–141
–145
Low Gain
0.06
–20.5
1.3
–164
–144
Low Gain
0.10
–16.0
2.2
–160
–144
Low Gain
0.40
–4.0
8.9
–148
–144
Low Gain
1.00
4.0
22.3
–140
–144
Low Gain
2.00
10.0
44.6
–134
–144
High Gain
4.00
16.0
93.8
–128
–144
High Gain
12.00
25.6
281.5
–118
–144
Table 1.  (Continued)
Specification
Value
Comments
nV
Hz
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