© National Instruments Corporation 11 NI 5441 Specifications
Spectral Characteristics (Continued)
Average Noise
Density
Path
Amplitude
Range
Average
Noise Density
Average Noise
Density at small
amplitudes is
limited by a
–148 dBm/Hz
noise floor.
Vpk-pk dBm dBm/Hz
dBFS/
Hz
Direct 14.0 18 –142 –146.0
Low Gain 0.06 –20.4 9 –148 –127.6
Low Gain 0.1 –16.0 9 –148 –132.0
Low Gain 0.4 –4.0 13 –145 –141.0
Low Gain 14.0 18 –142 –146.0
Low Gain 210.0 35 –136 –146.0
High Gain 416.0 71 –130 –146.0
High Gain 12 25.6 213 –120 –145.6
Specification Valu e Comments
nV
Hz
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