Emerson has expanded its NI PXI Vector Signal Transceiver (VST) portfolio with new instruments aimed at making high-performance RF testing more accessible in cost-sensitive environments, including medical device development, electronics validation, and production. The company will showcase the new NI PXI Core VST instruments at the 2026 IEEE International MTT Symposia in Boston next week.
The new Core VST lineup, which includes the PXIe-5841 and PXIe-5820, delivers calibrated and synchronized RF measurements in a modular format built for speed, automation, and ease of use.
By pairing strong RF performance with a lower entry cost, Emerson is opening the door for more engineering teams to adopt advanced measurement workflows earlier in development and carry them through production with greater consistency.
The PXIe-5841 offers 200 MHz instantaneous bandwidth and a fixed FPGA configuration, making it a streamlined choice for fast, repeatable measurements.
Paired with the PXIe-5820, it works with NI RFmx measurement software to provide validated results in an intuitive environment that supports a smoother workflow from signal generation to analysis.
Key capabilities include:
- Expanded frequency coverage starting at 9 kHz, supporting ISM, AM/FM, radar, wireless, and medical device validation use cases while keeping system costs in check.
- Calibrated, scalable RF measurements that help teams broaden test coverage without a major jump in investment.
- Flexible VSA, VSG, and transceiver workflows with bandwidth options from 200 MHz to 1 GHz.
- A modular, AI-ready platform that can be customized, scaled, and reused as validation and production needs evolve.
- Simplified software integration through NI RFmx, helping teams speed up setup and work across multiple programming environments.
Built on the NI platform, the Core VST portfolio is designed to bring high-performance RF test technology into a more flexible, AI-ready architecture.
With modular hardware, calibrated performance, and connected software, Emerson is positioning the platform as a practical path for teams that want to scale from cost-efficient test setups to more automated, data-driven workflows without added integration complexity.
Leadership Comment
“RF test is shifting from specialized, high-cost setups to scalable platforms that teams can standardize on,” said Sarah LaSelva, director of RF and wireless marketing for Emerson’s test and measurement business. “The NI PXI Core VST products lower the barrier to calibrated, synchronized measurements without adding system complexity—so engineers can move from research to production faster while managing growing system complexity with greater confidence in their results.”
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