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NI PXIe-5693 Calibration Procedure
9.
Connect one end of the 10 dB attenuator to the NI 5693 RF OUT connector and the other
end to the RF input of the spectrum analyzer using the SMA (m)-to-SMA (m) cable.
Figure 9 shows the completed equipment setup.
Figure 9.
Out-of-Band TOI Verification Equipment Setup
10. Create a new session for the NI 5693.
11. Configure the NI 5693 according to the following settings:
•
Reference level: -60 dBm
•
Preamp enabled: Disabled
•
IF output power level: -10 dBm
12. Configure the spectrum analyzer according to the following settings:
•
Span: 0 Hz
•
Reference level: -20 dBm
•
Resolution bandwidth filter: 100 Hz
•
Video bandwidth filter: 50 Hz
•
RF attenuation: 10 dB
•
Trace type averaging: Enabled
1
RF Source 1
2
BNC (m)-to-BNC (m) Cable
3
RF Source 2
4
BNC (m)-to-BNC (m) Cable
5
Combiner
6
Spectrum Analyzer
7
Power Sensor A
8
20 dB Attenuator
9
Power Splitter
10 SMA (m)-to-SMA (m) Adapter
11 10 dB Attenuator
12 Power Meter
12
1
6
5
7
9
3
2
NI PXIe-5693
Preselector
ACCESS
ACTIVE
25 VDC MAX
RF
OUT
DC - 7 GHz
25 VDC MAX
RF
IN
DC - 7 GHz
+10 dBm MAX
25 VDC MAX
EXT
FILTER
IN
EXT
FILTER
OUT
ESD
SENSITIVE
11
Com
b
iner
4
8
10
