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Noise Figure Analyzer & Noise Source

Whether you are working with systems, subsystems, subassemblies, or discrete devices, each of your components add noise that affects the overall performance of your receiver. By measuring and reducing noise figure, you can give your components a competitive edge.

Keysight Technologies provide a range of noise figure measurements solutions to meet your needs, from the NFA series noise figure analyzers to the noise figure measurement personalities for our spectrum analyzers. We also have a range of noise sources to complete the measurement solution.

Keysight also offers 'cost' effective solutions for noise figure needs as options to network analyzers, spectrum analyzers or signal analyzers. Read more about noise figure measurements and solutions

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Tips for Querying CW and Average Power Without Compromising Measurement Accuracy - Application Brief
This application brief demonstrates the capabilities Keysight power meters and power sensors have for measuring CW and average power signals.

Application Note 2013-07-02

PDF PDF 562 KB
NFA Noise Figure Analyzer User's Guide
User's guide for the NFA Series noise figure analyzers: N8972A, N8973A, N8974A, N8975A.

User Manual 2013-02-01

NFA Noise Figure Analyzer Quick Reference Guide
Reference material for basic NFA features. For use with the NFA Series noise figure analyzers: N8972A, N8973A, N8974A, N8975A.

Reference Guide 2013-02-01

PDF PDF 744 KB
R347B Millimeter-Wave Noise Source, R-Band
This data sheet provides specifications for the R-band R347B millimeter-wave noise source.

Data Sheet 2012-05-10

PDF PDF 328 KB
Making Noise Figure Measurements Video Series
Hints for making noise figure measurements.

Demo 2011-12-05

NFA Noise Figure Analyzer Performance Verification and Calibration Guide
Performance verification and calibration guide for serial prefix greater than GB4446 or the Noise Figure RF board N8972-60101 fitted. For use with the N8972A, N8973A, N8974A and N8975A.

Calibration Guide 2011-01-01

PDF PDF 2.51 MB
How can the Keysight NFA Service Guide be purchased?
See details....

Service Manual 2009-02-17

Using the Keysight N8975A Noise Figure Analyzer and the N2002A Noise Source Test Set, Product Note

Application Note 2007-12-01

PDF PDF 469 KB
N2002A Noise Source Test Set Technical Overview
Technical overview for the N2002 Noise Source Test Set.

Data Sheet 2007-11-29

PDF PDF 1.02 MB
NFA Noise Figure Analyzers Data Sheet
Data sheet for the NFA Series noise figure analyzers: N8973A, N8974A, N8975A.

Data Sheet 2007-11-05

Noise Figure Measurements of Frequency Converting Devices, AN 1487
"This application note provides details and examples about how the Keysight NFA Series noise figure analyzer (NFA) performs measurements in amplifier, downconverter and upconverter measurement mode".

Application Note 2004-02-06

NFA Noise Figure Analyzers Brochure
Brochure for the N8973A, N8974A or N8975A noise figure analyzers.

Brochure 2004-02-01

PDF PDF 1.73 MB
Non-Zero Noise Figure After Calibration (AN 1484)
This Application Note attempts to explain the reasons behind the zero-error and shows with examples that it does not have a compromising effect on instrument accuracy in a measurement situation.

Application Note 2004-01-20

PDF PDF 95 KB
Noise Source 346CK01 Product Note
The 346CK01 (50GHz coaxial noise source) is shipped with a copy of the standard 346C manual, plus this product note, listing electrial specifications for the K01 version.

Operation Manual 2003-01-31

PDF PDF 90 KB
NFA Noise Figure Analyzers Demo Guide
Demo guide for the NFA Series noise figure analyzers: N8973A, N8974A, N8975A

Demo 2002-03-29

PDF PDF 347.66 MB
NFA Noise Figure Analyzer Setup Guide
This setup guide gives important safety and power-on information for the NFA Series noise figure analyzers: N8972A, N8973A, N8974A, N8975A.

Installation Manual 2001-12-01

PDF PDF 916 KB
Insights into Proper Return Path Alignment
Return path alignment, maintenance and management for Cable TV providers to deliver telephony and internet service to consumers.

Application Note 2001-12-01

85719A Noise Figure Measurement Personality User's Guide
85719A Noise Figure Measurements Personality User's Guide. Part number 85719-90007.

User Manual 2001-10-26

NFA Noise Figure Analyzer Programmer's Guide
Programmer's guide with explanations on how to program the analyzer using SCPI commands. For use with the NFA Series noise figure analyzers: N8972A, N8973A, N8974A, N8975A.

Programming and Syntax Guide 2001-05-01

PDF PDF 3.32 MB
346A/B/C Noise Sources: 10 MHz to 26.5 GHz
The attached document provides technical data for the Keysight 346A, 346B, and 346C Noise Sources ranging from 10 MHz to 26.5 GHz.

Application Note 2000-12-01

PDF PDF 500 KB
NFA Series Noise Figure Analyzer, Programming Examples
This Product Note contains programming examples of measurement scenarios written in pseudo code, to enable the automated control of the NFA Series Noise Figure Analyzers using SCPI standard commands.

Application Note 2000-11-27

PDF PDF 1.19 MB
Maximizing Accuracy in Noise Figure Measurements (PN 85719A-1)
This Product Note discusses factors that affect accuracy with the 85719A Noise Figure Measurement System. Statistically generated curves of noise figure measurements uncertainly are also included.

Application Note 2000-10-01

PDF PDF 661 KB
Practical Noise-Figure Measurement and Analysis for Low-Noise Amplifier Designs (AN 1354)
This Application Note is a timely and detailed examination of the process needed for making practical noise figure measurements of low-noise amplifiers which includes software modeling.

Application Note 2000-09-01

PDF PDF 1.65 MB
85719A Noise Figure Measurement Personality Data Sheet
85719A data sheet for use with the 8590E series.

Data Sheet 2000-07-01

PDF PDF 767 KB
NFA Installation Note for Rack Mount Kit
Installation note for the NFA Series noise figure analyzer rack mount kit, Option 1CP. For use with the N8972A, N8973A, N8974A, N8975A.

Installation Manual 2000-05-01

PDF PDF 153 KB

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