© National Instruments Corporation 3 NI PXI-5621 Specifications
Amplitude
Figure 1. Noise Density (Dither Disabled, Input Terminated)
Average noise density
(dither off)..............................................< –129 dBm/Hz
Signal-to-noise ratio
9 dBm signal, full bandwidth..........>62 dB
Harmonic distortion (single tone, 0 dBm signal;
includes aliased harmonic distortion)
4–15 MHz, dither enabled.............. <–77 dBm
0–32 MHz, dither disabled..............<–71 dBm
–80.00
–90.00
–100.00
–120.00
–130.00
–140.00
0.0 5.0M 20.0M 25.0M 32.0M
Frequency (Hz)
Typical Results
Amplitude (dBm)
15.0M10.0M
–110.00
–70.00