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NI PXIe-5694 Calibration Procedure
Adjustment
Complete the following procedures to adjust the NI 5694. Following the adjustment procedures
automatically updates the calibration date and temperature in the EEPROM of the NI 5694.
Note
National Instruments recommends a complete adjustment of your device to
renew the calibration interval.
Configuring the Hardware
Complete the following procedure to configure the hardware for adjustment.
1.
Connect RF source 1 to the power splitter input. Use an SMA (m)-to-SMA (m) cable.
2.
Connect Power Sensor A to power meter channel A and to one output of the power splitter.
3.
Connect the remaining power splitter output to the NI 5694 IF IN connector. Use an
SMA (m)-to-SMA (m) adapter.
4.
Connect the NI 5694 IF OUT connector to the NI 5622 digitizer IF IN connector. Use an
SMA (m)-to-SMA (m) cable.
Figure 7.
Hardware Configuration for Adjustment
1
RF Source 1
2
Power Sensor A
3
Power Splitter
4
NI 5694
5
SMA (m)-to-SMA (m) Cable
6
NI 5622 Digitizer
7
SMA (m)-to-SMA (m) Cable
8
Power Meter
ACCESS
ACTIVE
IF Conditioning Module
NI PXIe-5694
ESD
SENSITIVE
REF/LO
IN
10 MHz/
215 MHz
+10 dBm NOM, +18 dBm MAX
12 VDC MAX
IF
OUT
187.5 MHz/
193.6 MHz/
21.4 MHz
+22 dBm MAX
0 VDC MAX
IF
IN
187.5 MHz/
193.6 MHz
+18 dBm MAX
12 VDC MAX
REF
OUT
10 MHz
+10 dBm NOM
12 VDC MAX
LO
OUT
215 MHz
+10 dBm NOM
12 VDC MAX
1
2
7
4
3
6
5
8
ACCESS
ACTIVE
CLK IN
CLK OUT
PFI 1
ESD
SENSITIVE
TTL
6.3 Vp-p
MAX
2 Vp-p
NOM
+20 dBm MAX
50
Ω
50
Ω
50
Ω
NI PXIe-5622
16-Bit IF Digitizer
IF IN
