Keysight Phase Noise Analyzers

Keysight Phase Noise Analyzers deliver high‑sensitivity phase noise and spurious signal measurements for precise characterization of signal sources and systems.

Noise Figure and Phase Noise Analyzers Catalog

Explore the comprehensive range of Keysight noise figure and phase noise analyzers engineered for accurate low‑noise receiver characterization and high‑sensitivity RF measurements. This catalog highlights NF7-class noise figure analyzers and PN3- and PN7-class phase noise analyzers for R&D, manufacturing, and automated test environments.

Phase Noise Measurement Fundamentals

Phase Noise, E5055A, N5511A

Methods and Instruments for Phase Noise Measurement

In this article, we delve into various methods for measuring phase noise and explore the instruments commonly used for this purpose. Will discuss the theoretical foundations, practical considerations, and advantages and disadvantages of each method. Additionally, we’ll introduce typical instruments employed in phase noise testing.

Master mmWave Phase Noise Measurements

By clearly determining the phase noise of your millimeter wave system and all of its constituent components, you can optimize all aspects of system performance.

10 Tips to Make Great Phase Noise Measurements with X-Series Signal Analyzers

The N9068EM0E Phase Noise Measurement Application for X-Series Signal Analyzers makes it simple to measure the phase noise of a Device Under Test (DUT). This application note presents a series of practical tips and techniques to help users maximize the effectiveness their X-Series Signal Analyzers for phase noise measurements.

Solutions for Using a Frequency Counter to Measure Phase Noise Close to a Carrier Signal

The combination of frequency counter and signal analyzer capabilities makes it possible to capture close-in phase noise. Learn more.

Network Analyzer Phase Noise Measurements

See how the new DDS source on the PNA/PNA-X and the phase noise measurement application can help you make faster, better measurements.

PN3 Signal Source Analyzer Additive Phase Noise

The PN3 Signal Source Analyzer is able to measure additive phase noise of amplifiers. Explore the single-channel additive phase noise measurement of an RF amplifier.

PN3 Signal Source Analyzer Pulsed Phase Noise Measurement

The PN3 Signal Source Analyzer can make fast, repeatable phase noise measurements on pulsed carriers and devices. Learn how in this application note.

Residual Phase Noise

The challenges of Residual Phase Noise measurement are addressed by the N5511A Phase Noise Test System that achieves the industry’s lowest noise floor using Cross Correlation of two RF/uW Analog Phase Detector outputs.

Noise Reduction in Jitter and Phase Noise Measurements

Keysight Technologies recently implemented a new noise reduction technique in their Infiniium real-time oscilloscope’s TIE (time-interval error) and single-sideband phase noise measurements that dramatically improves their sensitivity. This document describes how this feature works to directly measure clock jitter that was previously obscured by the oscilloscope’s noise floor. It also describes how to make the best use of this new feature, assuming the reader is already familiar with conventional TIE and phase noise measurements.

Phase Noise Measurement Solutions

This selection guide will outline common phase noise measurement solutions. Learn how to measure phase noise by using the three most widely adopted techniques.

Intro to Phase Noise Measurement with PN3 Signal Source Analyzer

In this tutorial, learn how to measure phase noise with the graphic user interface (GUI) desktop app. Change the offset, select internal supplies, compare graphed data, and rename, shift, or delete traces.

E5052B Signal Source Analyzer Advanced Phase Noise and Transient Measurement Techniques

Learn two major advanced techniques of Signal Source Analyzers for phase noise measurement and transient measurements from Keysight.

Phase Noise Theory and Measurement

The most common phase noise architectures are single-loop and double-loop and these will be explored in this webinar. We will cover the fundamental theory of phase noise and several key solutions.

Improve Your Phase Noise Measurements

One of the most challenging and time-consuming parameters design engineers need to capture during device characterization is frequency converter phase noise. Learn how you can address frequency converter phase noise measurement.

How Can Phase Noise Be Below the Noise Floor?

How can phase noise be below the noise floor? Read these helpful tips.

Overview on Phase Noise and Jitter

This Paper by Rick Poore (Keysight Technologies) focuses on the relationship between phase noise and jitter in free-running oscillators.

Pulsed Carrier Phase Noise Measurements using Phase Detectors

Learn the fundamentals of pulsed carrier phase noise and why the phase detector method is the recommended method for making measurements on pulsed carriers.