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NI 5422 Specifications 10 ni.com
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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