PXIe-5665 Calibration Procedure
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© National Instruments
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35
Verifying Average Noise Level
1.
Connect a 50
Ω
termination to the PXIe-5665 RF IN connector. The completed equipment
setup is shown in Figure 11 and Figure 12.
Figure 11.
PXIe-5665 3.6 GHz VSA Average Noise Level Verification Equipment Setup
1
50
Ω
termination
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