Signal Sources

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Generate Signals With Confidence

Signal generators provide controlled RF and microwave stimulus for device characterization, design validation, and system testing. From continuous-wave and analog modulation to wideband vector and multi-channel signals, Keysight courses, bootcamps, and technical resources build practical knowledge from signal-generation fundamentals to advanced RF test techniques.

Learn the Fundamentals of Signal Generators

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Introduction to Signal Generators

Build a solid foundation in signal generation. Learn how signal generators work, understand key specifications, and discover how frequency, amplitude, modulation, spectral purity, and speed affect your measurements.

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Signal Generator Basics Bootcamp

Learn practical techniques for optimizing signal-generator performance and RF test results. Explore amplitude accuracy, flatness correction, external leveling, wideband signal performance, switching speed, phase noise, and receiver testing.

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RF Back to Basics Bootcamp

Build foundational RF knowledge across the signal chain, including spectrum and signal analysis, network analysis, signal generation, and modulation.

Featured Bootcamps

Explore Signal Generator Resources

Keysight analog signal generators

How Signal Generator Spectral Purity Affects Measurements

Discover how phase noise, harmonics, spurs, and other spectral-purity characteristics affect signal quality and measurement accuracy.

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Fast RF Device Testing With Analog Sources

Learn how analog sources support receiver testing, amplifier characterization, LO substitution, and fast RF device testing.

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Selecting a Signal Generator

Understand the frequency, modulation, performance, and form-factor considerations that determine which signal generator best fits your application.

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8 Hints for Making Better Measurements Using RF Signal Generators

Improve measurement accuracy with practical techniques for managing distortion, output level, source match, modulation quality, and phase noise.

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How to Minimize Measurement Uncertainty in RF Signal Generation

Explore how to minimize stimulus-related errors and improve signal quality when generating vector-modulated RF signals.

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Basics of Vector Signal Generators

Learn how vector signal generators create complex digitally modulated signals using real-time waveform generation.

Discover Signal Generator Applications

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Characterize Power Amplifiers

Apply digitally pre-distorted signals to evaluate power amplifier linearity, distortion, EVM, efficiency, and overall performance.

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How to Conduct MIMO and Beamforming Testing

Produce phase-coherent, time-aligned signals for MIMO, beamforming, phased-array, and multi-channel receiver testing.

Wi-Fi 7

How to Characterize 6G Sub-THz Wideband Signals

Generate and characterize wideband signals at emerging frequencies for next-generation wireless research and advanced testbeds.

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Radar Fundamentals for Electromagnetic Spectrum Operations

Explore how pulsed, chirped, and frequency-modulated RF signals support radar system design, characterization, and test.

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Test RF Receivers

Create accurate, complex signals to evaluate receiver sensitivity, phase-noise performance, RF power, and real-world operating conditions.

Additional Signal Generator Resources

Learn more about the basics, fundamentals, and essentials with resources from Keysight

Related Use Cases

Dive Into More Signal Generation Insights and Resources

Build deeper expertise in RF signal generation with application notes, white papers, technical guides, courses, bootcamps, videos, and practical measurement examples from Keysight engineers.

Signal Generator Test Solutions

Create the signals you need to characterize devices, validate receivers, stress complex RF systems, and accelerate automated testing.

Keysight signal sources span vector and analog signal generators, frequency synthesizers, agile signal generators, and modular solutions for applications ranging from general-purpose RF testing to advanced wideband and multi-channel validation.

New XG7 Pro Analog Signal Generator

Learn about the new Keysight XG7 Pro analog signal generator.

Achieve greater RF test performance with ultra-low phase noise, high output power, and two channels in a compact 2U design — combining signal purity, power, and productivity to simplify setups and accelerate testing.

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