NI PXIe-5601 Calibration Procedure
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© National Instruments
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3.
Connect the other power splitter output to the NI 5601 RF IN connector through the
3.5 mm-to-3.5 mm adapter and 3.5 mm-to-3.5 mm 30 dB attenuator.
4.
Ensure that the 50
Ω
terminator (NI part number 778353-01) that shipped with the NI 5601
is connected to the NI 5601 LO OUT connector. Figure 4 shows the completed equipment
setup.
Figure 4.
Absolute Gain Accuracy Equipment Connections
1
Note
The preceding figure shows the NI PXI-5652, but you can also use the
NI PXIe-5652. The figure shows spectrum analyzer connections.
1
The 30 dB attenuator is used only for reference levels <-30 dBm.
1
RF Source
2
Power Splitter
3
Power Sensor A
4
LO Source
5
Power Meter
6
Power Meter Channel A
7
Spectrum Analyzer
8
Spectrum Analyzer Input
9
50
Ω
Terminator (Shipped with the NI 5601)
10 30 dB Attenuator
1
11 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
7
1
6
5
7
9
10
2
7
8
11
3
