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3. Using the long semi-rigid SMA-to-SMA coaxial cable (labeled P), connect the RF IN
connector on the NI 5603 front panel to the RF OUT connector on the NI 5693 front
panel.
4. Using the flexible RF SMA-to-SMA coaxial cable, connect the CLK IN connector on the
NI 5622 front panel to the REF OUT 100 MHz connector on the NI 5653 front panel.
5. Using the flexible RF SMA-to-SMA coaxial cable, connect the REF/LO IN connector on
the NI 5694 front panel to the REF OUT 10 MHz connector on the NI 5653 front panel.
6. Using the three medium semi-rigid SMA-to-SMA coaxial cables (labeled J), connect the
LO1, LO2, and LO3 connectors on the NI 5653 front panel to the associated LO1 IN,
LO2 IN, and LO3 IN connectors on the NI 5603 front panel.
7. Hand-tighten all SMA cable ends on the SMA connectors after the cable center pins are
correctly aligned and connected. The cable connectors should tighten without much
torque or effort. If a cable bends due to incorrect alignment, remove the cable from the
front panel connector and reconnect the cable center pin on the SMA cable to the SMA
connector.
8. Carefully complete tightening all SMA connectors to 1 N · m using an appropriate torque
wrench (not included) or torque screwdriver and SMA driver bit. Tighten only until the
wrench clicks.
Caution
Incorrect torque at SMA connections can degrade signal fidelity and
phase-locked loop (PLL) performance and may cause insertion loss. Use an
appropriate torque wrench or torque screwdriver and SMA driver bit to ensure
all SMA connections are properly torqued. SMA connectors for connections to
external equipment may require torque different from 1 N · m, depending on
the connector type, material, and manufacturer.
9. Power on the PXI Express chassis and controller system.
10. Verify that the ACCESS LED is on for all modules.
Related Information
If an issue persists after you complete a troubleshooting procedure, contact NI technical
Refer to the NI RF Vector Signal Analyzers Help for information about how to connect the
NI 5667 using an external clock or how to connect multiple NI 5667 modules.
Direct Connections to the NI 5603
The NI 5603 is a precision RF instrument that is sensitive to ESD and transients. Ensure you
are making proper direct connections to the NI 5603 to avoid damaging the device.
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NI PXIe-5667 (3.6 GHz) Getting Started Guide
Содержание PXIe-5667
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