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PXIe-5665 Calibration Procedure
Figure 20.
PXIe-5665 14 GHz VSA Third-Order Intermodulation Verification
(Frequencies
≤
700 MHz) Equipment Setup
2.
Create a new session for the PXIe-5665.
3.
Configure the PXIe-5665 according to the following property settings:
•
Acquisition Type: Spectrum
•
Averaging Mode: RMS Averaging
•
Number of Averages: 10
•
Digital IF Equalization Enabled: TRUE
•
Digitizer Dither Enabled: Enabled
•
Ref Clock Source: PXI_Clk
•
Channel Coupling: AC Coupled
•
RF Attenuation: 0 dB
•
Device Instantaneous Bandwidth: 300 kHz
•
IF Output Power Level: 0 dB
•
Resolution Bandwidth: 750 Hz
•
Span: 150 kHz
4.
Configure the anti-distortion test fixture to use the
≤
700 MHz combiner path.
1
RF Source 1
2
RF Source 2
3
SMA (m)-to-SMA (m) cable
4
SMA (m)-to-SMA (m) cable
5
Anti-Distortion Test Fixture
6
SMA (m)-to-SMA (m) cable
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
NI PXIe-5605
Downconverter 20 Hz - 14 GHz
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
IF OUT
+22 dBm MAX
0 V DC
LO1
LO2
LO3
IN
ESD
SENSITIVE
OUT
LO3
LO2
LO1
ALL PORTS
50
Ω
+15 dBm MAX
25 V DC MAX
+15 dBm MAX
0 V DC
ACCESS
ACTIVE
RF IN
0 V DC
+20 dBm MAX > 10 MHz
+10 dBm MAX < 10 MHz
K
K
J
J
J
J
J
J
RF
OUTPUT
RF
INPUT 1
NI-5665 ANTI-DISTORTION ET 166375A
RF
INPUT 2
1
5
2
4
3
6
