Figure 9. Noise Density
Frequency (Hz)
Noise Floor (dBm/Hz)
–168
–167
–166
–165
–164
–163
–162
–161
–160
–159
–158
–157
–156
–155
–154
–153
1.0 G
1.50 G
2.0 G
2.5 G
3.0 G
3.5 G
4.0 G 4.4 G
200.0 M
Table 8. Gain Compression (Nominal)
Frequency
Gain Compression, Temperature
23 °C ± 5 °C (dBm)
>200 MHz to 1 GHz
-20
>1 GHz to 2 GHz
-18
>2 GHz to 3.9 GHz
-15
>3.9 GHz to 4.4 GHz
-12
Note
Values are based on stimulus of two input tones spaced 100 MHz apart,
with 0 dB of RX attenuation on the receive path and with one tone placed out of
band.
Voltage Standing Wave Ratio (VSWR)
Note
All values are nominal.
............................................................................
Input impedance
50 Ω
24 | NI 5791R User Manual and Specifications | ni.com
