Your Supplier Has Been Overcharging You (And It's Not Your Fault)Vector Signal Generators For Sale: Precision Signal Generation at Unbeatable Value
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Select the right Vector Signal Generator for Comprehensive Component Characterization
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Key Technical Specifications
Frequency Ranges
1 MHz to 110 GHz
Modulation Bandwidth
Up to 5 GHz
Signal Purity
Industry-leading phase noise performance
Output Power
Configurable across wide ranges
Precision
Metrology-grade signal generation
Featured Resources
Optimize your testing potential with reliable, high-performance signal generation technology at a fraction of the original cost.

The Essential Signal Generator Guide

Signal Generation Solutions Catalog

Minimizing Measurement Uncertainty in RF Signal Generation
FAQ
What are the main differences between Keysight New, Keysight Premium Used & Keysight Used equipment?
| Keysight New | Keysight Premium Used | Keysight Used | |
| Savings | None | Up to 70% | Up to 90% |
| Condition | New | Like New | Working Condition ¹ |
| Firmware | Latest | Updated | As is |
| Calibration | Full | Full | As listed |
| Accessories | New | New | As listed |
| Warranty | 1 to 5 Years ² | Like New | 90 Days Warranty |
| Customization | Possible | Possible | Limited |
Can I Customize a Unit to Meet My Needs?
Customization is possible with our Keysight Premium Used equipment. Most products can be configured to your specifications with additional options available at an extra cost.
What Are Some Key Application Areas of Vector Signal Generators?
- Wireless Receiver Testing
- 5G Technology Development
- Satellite Communications
- Aerospace and Defense Systems
- Advanced Research and Development
What specific applications benefit most from metrology-grade signal generation?
Metrology-grade signal generators are ideal for applications demanding high precision:
- 5G and satellite communication testing
- Aerospace and defense signal validation
- Advanced research in complex signal environments
These applications require stable signal generation and reliable performance. Metrology-grade devices, like X-Series signal generators, meet that standard.
Can Keysight’s used vector signal generators support 6G testing requirements?
Yes, Keysight’s vector signal generators are designed to meet the demands of future technologies like 6G:
- Operate at extremely high frequencies, with low kHz offset
- Support advanced modulation schemes, including vector modulation
- Adapt to evolving test setups with high precision and sweeping capability
Ensure compatibility with your specific 6G testing needs using Keysight's latest models.
What is the difference between the modulation bandwidths offered by the listed models?
The listed models offer varying bandwidth capabilities:
- N5186A: Optimized for mid-range testing with advanced modulation capability
- E8267D: Supports high-frequency, wide-bandwidth applications, ideal for continuous wave signals
- M9381: Tailored for ultra-wideband modulation and signal purity
Select the best generator based on the bandwidth and signal source requirements of your application
Are all certified used vector signal generators calibrated before shipping?
Yes, all certified used Keysight signal generators undergo full calibration before they are shipped.
- Verified against industry standards for performance.
- Supplied with calibration documentation, ensuring metrology-grade accuracy.
- Guaranteed stable test signals for critical applications.
Note: Calibration intervals can vary based on usage intensity
How is signal purity measured, and why does phase noise matter?
Signal purity is assessed by analyzing noise levels, with phase noise being a crucial factor. It reflects the stability of a signal's frequency over time and directly impacts performance in various applications:
- Low phase noise ensures stable, high-precision signals.
- Critical for applications such as communications and radar systems.
- Essential for achieving accurate testing in complex signal environments.
Minimize spurious characteristics by selecting generators with low phase noise
What is the purpose of a signal generator in electronics testing?
Signal generators simulate real-world conditions in testing, allowing engineers to replicate and analyze specific scenarios. This makes them essential for a variety of tasks, including:
- Validate receiver performance under varied signal conditions
- Assess circuit and device robustness with analog signal generators
- Facilitate the development of communication systems with precise modulation
They provide a cornerstone for repeatable, reliable testing with versatile signal sources
How does a vector signal generator differ from an arbitrary waveform generator?
Vector signal generators (VSGs) and arbitrary waveform generators (AWGs) serve distinct purposes.
- VSGs: Focused on modulation, including vector modulation and RF frequency agility
- AWGs: Specialized in generating custom waveforms for baseband signals
- VSGs excel at generating stable signals for RF applications, while AWGs are better for analog signal generation.
Choose based on your test signal requirements and modulation complexity
Can vector signal generators produce analog and digital signals?
Yes, Keysight vector signal generators support both analog and digital signals, making them versatile tools for a range of testing scenarios. Their capabilities include:
- Generate precise analog waveforms for testing
- Produce complex digital modulation schemes like QAM and PSK
- Seamlessly transition between signal types using advanced modulation capabilities
Adapt to your testing needs with a versatile signal source.
What key specifications define a high-performance signal generator?
High-performance signal generators excel in these critical specifications:
- Wide frequency range and high resolution for precise measurements
- Low phase noise for stable, reliable signals in demanding environments
- High output power, wide modulation bandwidth, and flexible configurations for complex test setups
These attributes ensure dependable performance for your most demanding applications
How does phase modulation work in a signal generator?
Phase modulation works by varying the phase angle of a signal to encode information. It is widely used in scenarios where precise data transmission and signal stability are essential:
- Adjusts the phase relative to a reference point to convey data
- Key for vector modulation and digital communication schemes like QPSK
- Vital for precision RF signal testing and achieving stable test signals
Explore phase modulation capabilities for advanced RF testing applications



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