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NI PXIe-5601 Calibration Procedure
IF Response Adjustment
1.
Connect the RF source to the power splitter input through the 3.5 mm-to-3.5 mm cable.
2.
Connect the power splitter reference output to power sensor A.
3.
Connect the other power splitter output to the NI 5601 RF IN connector through the
3.5 mm-to-3.5 mm adapter.
4.
Ensure that the 50
Ω
terminator is connected to the NI 5601 LO OUT connector.
5.
Connect the NI 5601 IF OUT connector to the spectrum analyzer through the
3.5 mm-to-3.5 mm cable. Figure 10 shows the completed equipment setup.
Figure 10.
Equipment Connections
Note
The figure shows the NI PXI-5652, but you can also use the NI PXIe-5652.
6.
Create a new calibration session for the NI 5601 using the niRFSA Init Ext Cal VI or the
niRFSA_InitExtCal
function. Set the
driverSetup
string of the
option string
parameter to
calAction: create
.
Note
Each step opens a new calibration session. Enter the appropriate password for
this VI. For password-protected operations, the default password is
NI
.
1
RF Source
2
Power Splitter
3
Power Sensor A
4
Power Meter
5
Power Meter Channel A
6
Spectrum Analyzer
7
Spectrum Analyzer Input
8
50
Ω
Terminator
9
LO Source
10 Adapter
0 dBm NOM
RF IN
IF OUT
LO IN
LO OUT
10 MHz – 6.6 GHz
ACCESS
ACTIVE
ALL PORTS
±5 VDC MAX
50
Ω
0 dBm NOM
+20 dBm MAX
+20 dBm MAX
+20 dBm MAX
[+30 dBm MAX
w/Attenuation]
RF Downconverter
NI PXIe-5601
4
5
8
7
1
2
9
10
3
6
