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National Instruments Corporation
21
NI 5622 Calibration Procedure
Bandpass Amplitude Flatness
Complete the following steps to verify the bandpass amplitude flatness of
the NI 5622.
1.
Make the following connections:
a.
Connect the signal generator to the source input port of the power
splitter using the SMA cable.
b.
Connect the power meter to output port 1 of the power splitter.
c.
Connect channel 0 (IF IN) of the digitizer to output port 2 of the
power splitter.
Figure 4.
NI 5622 Bandpass Amplitude Flatness Connections
1
R&S NRP-Z91 Power Meter
2
Weinschel WA 1507R Splitter
3
To Signal Generator
NI PXIe-5622
16-Bit IF Digitizer
ACCE
SS
ACTIVE
PFI 1
IF IN
CLK IN
CLK OUT
TTL (+5 V MAX)
2
S
1
3
2
1
