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PXIe-5665 Calibration Procedure
Verifying Frequency Response and Absolute Amplitude
Accuracy
Verifying Frequency Response and Absolute Amplitude Accuracy
for Frequencies >10 MHz
Note
Prior to starting this procedure, zero and calibrate the power sensor according
Zeroing and Calibrating the Power Sensor
section of this document.
1.
Connect the RF source 2 to the power splitter input using the SMA (m)-to-SMA (m) cable.
2.
Connect the power splitter reference output to power sensor A.
3.
Connect the other power splitter output to the PXIe-5665 RF IN connector using the
3.5 mm (m)-to-3.5 mm (m) adaptor and 20 dB attenuator. The completed equipment setup
is shown in Figure 9 and Figure 10.
Figure 9.
PXIe-5665 3.6 GHz VSA Frequency Response and Absolute Amplitude Accuracy
Verification (Frequencies >10 MHz) Equipment Setup
1
RF Source 2
2
Power Meter
3
SMA (m)-to-SMA (m) cable
4
Power Sensor A
5
Power Splitter
6
3.5 mm (m)-to-3.5 mm (m) Adaptor
7
20 dB Attenuator
OUT
NI PXIe-5653
Synthesizer
REF IN
10 MHz
5 V p-p MAX
REF OUT
10 MHz
1.5 V p-p MAX
REF OUT
100 MHz
1.5 V p-p MAX
LO3
800 MHz
LO2
4 GHz
LO1
3.2 GHz - 8.3 GHz
ESD
SENSITIVE
OUT
ALL PORTS
50
Ω
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
ESD
SENSITIVE
ACCESS
ACTIVE
OUT
IN
LO3
LO2
LO1
ALL PORTS
50
Ω
NI PXIe-5603
Downconverter 20 Hz - 3.6 GHz
RF IN
0 V DC, DC COUPLED
25 V DC MAX, AC COUPLED
+20 dBm MAX > 10 MHz
0 dBm MAX < 10 MHz
+15 dBm MAX
25 V DC MAX
+15 dBm MAX
0 V DC
IF OUT
+22 dBm MAX
0 V DC
K
K
J
J
J
J
J
J
1
7
6
5
4
2
3