Table 12. Dynamic Range at 900 MHz
Reference Level
(dBm)
IP
3
(dBm)
Noise Floor
(dBm/Hz)
Dynamic Range (dB)
5
24
-135
106
-5
14
-145
106
-15
4
-155
106
-25
0
-163
109
Note
The signal level of each tone is set to 6 dB less than the reference level to
prevent overload. Dynamic range = 2/3 × (
IMD
3
–
Noise Floor
)
Table 13. Dynamic Range at 2,400 MHz
Reference Level
(dBm)
IP
3
(dBm)
Noise Floor
(dBm/Hz)
Dynamic Range (dB)
5
22
-135
105
-5
12
-145
105
-15
3
-155
105
-25
1
-163
109
Note
The signal level of each tone is set to 6 dB less than the reference level to
prevent overload. Dynamic range = 2/3 × (IP
3
– Noise Floor)
LO OUT Front Panel Connector
............................................................................
Frequency range
200 MHz to 4.4 GHz
............................................................................
Frequency resolution
1,000 kHz
Output power
....................................................................
<2.4 GHz
0 dBm ± 3 dB, nominal
....................................................................
≥2.4 GHz
-3 dBm ± 3 dB, nominal
............................................................................
Output impedance
50 Ω, nominal
............................................................................
Output VSWR
1.78:1
............................................................................
Amplitude settling time
<0.25 dB in <10 ms, typical
............................................................................
Maximum DC voltage
±0.5 V
DC
NI 5791R User Manual and Specifications | © National Instruments | 27