NI PXIe-5693 Calibration Procedure
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© National Instruments
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5.
Connect the NI 5693 EXT FILTER IN connector to the NI 5693 EXT FILTER OUT
connector using the SMA (m)-to-SMA (m) cable. Figure 13 shows the completed
equipment setup.
Figure 13.
Cal Tone Power Accuracy Adjustment Equipment Setup
6.
Create a new session for the NI 5693.
7.
Configure the NI 5693 according to the following settings:
•
External calibration
•
Calibration step: Gain Reference Calibration
•
Preamp: Enabled
•
RF attenuation index: 0
8.
Configure the RF Source 1 according to the following settings:
•
Single frequency mode: Enabled
•
Power level: -25 dBm
9.
Set the power sensor A settling percentage to 0.1% and program the power meter to trigger
when settled.
10. Set the power sensor A as the input sensor and the power sensor B as the output sensor.
11. Turn off the RF source 1 output.
12. Configure the power meter to read only channel B.
1
RF Source 1
2
SMA (m)-to-SMA (m) Cable
3
Power Splitter
4
SMA (m)-to-SMA (m) Adapter
5
6 dB Attenuator
6
SMA (m)-to-SMA (m) Cable
7
SMA (f)-to-SMA (m) Semi-Rigid
Cable
8
Power Meter
9
Power Sensor A
10 Power Sensor B
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
6
5
4
1
8
2
3
7
9
10
