What Is a PXI Vector Signal Transceiver?

NI hardware

The PXI Vector Signal Transceiver (VST) combines an RF and baseband vector signal analyzer and generator with a user-programmable FPGA and high-speed serial and parallel digital interfaces for real-time signal processing and control from baseband to mmWave.

Test High Frequency and Wide Instantaneous Bandwidth

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With frequency coverage from baseband to mmWave and up to 4 GHz instantaneous bandwidth, VSTs are ideally suited for carrier aggregation, digital predistortion, and radar testing.

Perform Fast and Accurate EVM Measurements

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The combination of low phase noise, high linearity, and patented IQ calibration enables VSTs to achieve best-in-class EVM performance with higher order modulation schemes.

Perform Pulse Analysis on ESA

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The Electronically Scanned Array (ESA) characterization reference architecture’s IP library and VST allow characterization of power amplifiers and transmit/receive modules.

Perform Satellite Link Emulation

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Combining a VSA and VSG in a PXI form factor instrument, PXI VSTs can easily integrate with other instruments for both parametric and system level test, such as satellite link emulation.

Measure from Baseband to Sub-THz

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The PXIe-5831 and PXIe-5842 VSTs can connect to mmWave remote measurement modules, extending frequency coverage up 44 GHz or 54 GHz. You can also connect the PXIe-5842 to third-party frequency up-and down-converters, enabling frequency coverage to sub-THz. These capabilities offer a complete solution for RF and baseband I/Q test. Sub-nanosecond synchronization and wideband capabilities support 5G mmWave sub-THz research, and radar prototyping applications.

Optimize RF Front-End Validation

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Easy-to-use and customizable DPD algorithms and up to 4 GHz of instantaneous RF bandwidth enables quick and easy implementation of DPD in RFIC characterization.

 

RF Measurement Fundamentals

 

Understanding RF testing best practices and obtaining accurate results is crucial for efficient test procedures. Learn how to use RF instruments for the measurements required in RF characterization tests.

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