Connect the PXIe-5842 and PXIe-5655 as required for your system configuration.

Independent LO 1-VST, 2-VST, and 4-VST Configurations

Interconnect the PXIe-5842 and the PXIe-5655 as described in Interconnecting the PXIe-5842 VST in the PXIe-5842 User Manual.

Repeat for each VST in your system.

Common LO 2-VST and 4-VST Configurations

Interconnect each PXIe-5842 to a single PXIe-5655 as described in Creating a Multi-VST System in the PXIe-5842 User Manual.

Note Common LO configurations require additional cables and accessories not included in the PXIe-5842 kit.
Each RF Input LO and RF Output LO must be split and distributed individually.
Table 8. Additional Cables and Accessories
VST Quantity Cable/Accessory Recommended Part Number Quantity
2 2-way SMA Power Splitter* Mini Circuits ZC2PD-5R263-S+ 2
SMA-to-SMA Cable NI 137833-0300/0600 7†
4 4-way SMA Power Splitter* Mini Circuits ZC4PD-5R263-S+ 2
SMA-to-SMA Cable NI 137833-0300/0600 12†
* You can use any output passive splitter that meets the criteria specified in Creating a Multi-VST System in the PXIe-5842 User Manual.

† The PXIe-5842 ships with a semi-rigid cable used to connect the REF OUT of the PXIe-5655 to the REF IN of the first PXIe-5842 in the RF reference clock daisy chain.
Figure 3. Common LO 2-VST Interconnections

PXIe-5842 and PXIe-5655 instruments cabled with a 24-way power splitter.

Figure 4. Common LO 4-VST Interconnections

PXIe-5842 and PXIe-5655 instruments cabled with a 4-way power splitter.