Vector Signal Generators and Analyzers

National Instruments (Austin, TX) offers the NI PXIe-5663E 6.6-GHz, 2-, 3-, and 4-channel RF vector signal analyzers (VSA) and NI PXIe-5673E 6.6-GHz, 2-, 3-, and 4-channel RF vector signal generators (VSG) based on PXI Express. They incorporate a shared local oscillator architecture to achieve true phase coherency between each RF port. They can be used for prototyping and testing multichannel MIMO wireless devices.

The devices are available with a variety of modular PXI Express instrumentation for customization. The standard package includes a 2-, 3-, or 4-channel VSG or VSA. A standard 18-slot PXI chassis can accommodate both a four-channel VSA and a two-channel VSA. Phase-coherent RF test systems are scalable, accommodating up to 16-by-16 MIMO configurations using multiple PXI chassis. The system also includes LabVIEW example code that supports multichannel signal generation and acquisition.

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