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  5. RF Analog Signal Generators

RF Analog Signal Generators

RF analog signal generators produce continuous wave (CW) RF signals for testing wireless devices, communication systems, and RF components. With fast switching speeds, low phase noise, and wide frequency and power range, NI RF analog signal generators integrate seamlessly into PXI-based automated test systems and NI software environments, enabling scalable, high-performance validation for applications like 5G, Wi-Fi, and LTE.

View RF analog signal generators
NI PXIe-5654 RF signal generator

Explore Related Categories

Software Defined Radios
Network Analyzers
Vector Signal Generators, Analyzers, and Transceivers

RF Analog Signal Generator Fundamentals

Terminology

An NI Partner is a business entity independent from NI and has no agency or joint-venture relationship and does not form part of any business associations with NI. 

NI PXIe VSTs for taking RF measurements

RF Measurement Fundamentals

Discover how to perform various RF measurements using NI hardware and software tools for wireless applications.
Learn more
Glossary for RF Common Terminology

NI Software for RF Analog Signal Generators

Selecting RF Analog Signal Generators Software


The NI PXI RF Analog Signal Generator requires a free NI-RFSG driver, which provides APIs for NI LabVIEW and text-based programming languages.


You can also purchase NI RFmx software for faster implementation of wireless tests for many popular wireless and cellular standards.

NI RFmx

RFmx provides signal generation and analysis for general-purpose, cellular, connectivity, IoT, and aerospace and defense test applications.

NI LabVIEW

LabVIEW is a graphical programming environment that provides unique productivity accelerators for test system development, such as an intuitive approach to programming, connectivity to any instrument, and fully integrated user interfaces.

NI InstrumentStudio™ Software

InstrumentStudio provides an integrated approach to interactive PXI measurements.


RF Analog Signal Generator Resources

Download NI-RFSG

Download driver for vector signal generation

Download a free trial of LabVIEW

Get started with your free trial

NI-RFSG Programming

.NET Resources for NI Hardware and Software
Python Resources for NI Hardware and Software
NI-RFSG User Manual

Maintenance and Care

RF Connector Care with NI Test Equipment
Self-Calibration for RF Hardware
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Get Help from an NI Partner

The NI Partner Program offers domain, application, and overall test development expertise to help your team get ahead and stay ahead. Connect with our global community of trusted NI Partners ready to give your business a competitive edge.
Find a partner

Frequently Asked Questions About RF Signal Generators

  • RF signal generators produce precise radio frequency signals for testing wireless devices, communication systems, and RF components. Engineers use them to simulate real-world RF conditions, validate performance, and ensure compliance with industry standards such as 3GPP. They are essential for applications like radar testing, 5G development, and satellite communication testing.

  • Key specifications include frequency range, output power, modulation capabilities, and signal purity. Engineers should also evaluate phase noise, switching speed, frequency accuracy, and support for advanced modulation formats. Integration with automated test systems and compatibility with software tools like LabVIEW are critical for efficient workflows.

  • NI RF signal generators provide high-performance signal generation with fast switching speeds and low-phase noise. Their PXI modular architecture enables scalable, multichannel configurations for complex applications like MIMO and 5G testing. Seamless integration with NI software tools allows engineers to automate signal generation, logging, and analysis, improving throughput, repeatability, and overall test efficiency.