Interface logic
....................................................................
Maximum V
OL
0.55 V
....................................................................
Minimum V
OH
2.7 V
....................................................................
Maximum V
OH
3.6 V
....................................................................
Output impedance
50 Ω ±20%
....................................................................
Coupling
DC
....................................................................
I
out
(DC)
±32 mA
LO IN Front Panel Connector
............................................................................
Frequency range
200 MHz to 4.4 GHz
Input power
....................................................................
<2.4 GHz
3 dBm ± 3 dB, nominal
....................................................................
≥2.4 GHz
0 dBm ± 3 dB, nominal
............................................................................
Input impedance
50 Ω
............................................................................
Input VSWR
1.78:1
............................................................................
Absolute maximum power
+15 dBm
............................................................................
Maximum DC power
±0.5 V
DC
TX OUT Front Panel Connector
Amplitude Characteristics
Power range
....................................................................
Output
Noise floor to +8 dBm, nominal
....................................................................
Output resolution
0.25 dB, nominal
....................................................................
Amplitude settling time
<0.5 dB within 1 ms, nominal
Absolute Amplitude Accuracy
Note
All values are typical.
Table 14. Absolute Amplitude Accuracy
Frequency
Temperature 23 °C ±5 °C (dB)
>200 MHz to 1 GHz
0.8
1 GHz to 2 GHz
1.3
2 GHz to 3 GHz
1.3
NI 5791R User Manual and Specifications | © National Instruments | 29