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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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Noise Figure Measurement Accuracy - The Y-Factor Method - Application Note
Specific to instruments that use the Y-factor method for noise figure measurements, this app note discusses measurement basics, avoidable errors, loss and temperature corrections, and uncertainties.

Application Note 2017-12-01

Noise Figure Selection Guide - Minimizing the Uncertainties - Selection Guide
This selection guide, which includes a brief noise figure primer and our current product lineup, is designed to help you find the best solution for your application.

Selection Guide 2017-12-01

10 Hints for Making Successful Noise Figure Measurements (AN 57-3) - Application Note
This document will help minimize the uncertainties in your noise figure measurements. Key topics include minimizing extraneous signals, mismatch uncertainties, nonlinearities, and path losses.

Application Note 2017-10-20

NFA Series Noise Figure Analyzers Service Guide
The Keysight Noise Figure Analyzers (NFA) services guide explains how to repair the N8972A, N8973A, N8974A and N8975A Nosie figure Analyzers.

Service Manual 2017-10-01

PDF PDF 5.24 MB
X-Series Multi-touch Signal Analyzer User Documentation (webhelp)
Online documentation that includes programming information, SCPI commands, and more.

Help File 2017-09-26

X-Series Multi-touch Signal Analyzer User Documentation (.zip file)
Online documentation that includes programming information, SCPI commands, and more.

Help File 2017-09-26

Fundamentals of RF and Microwave Noise Figure Measurements - Application Note
This 32-page, black-and-white application note providesinformation on RF and Microwave noise figure measurementts. Topics include noise figure and temperature, noise characteristics of two-port networks, and the measurement of noise figure.

Application Note 2017-09-06

NFA Series Noise Figure Analyzers Service Guide
Service documentation for the NFA series noise figure analyzers (N8973B, N8974B, N8975B, and N8976B)

Service Manual 2017-08-01

PDF PDF 14.55 MB
N4000A, N4001A, N4002A SNS Series Noise Sources - Technical Overview
The Keysight SNS Series of noise sources work with NFA Series noise figure analyzers and X-Series analyzers to help simplify measurement setup and improve accuracy.

Technical Overview 2017-06-19

X-Series Signal Analyzer Instrument Messages
Instrument message information for use with the X-Series signal analyzers (PXA, MXA, EXA, CXA, MXE, UXA, and NFA).

User Manual 2017-06-01

PDF PDF 1.04 MB
Noise Source Operating and Service Manual
Operating and service manual for the Noise Sources: 346A, 346B, 346C (including options 001 and 004).

Operation Manual 2017-05-26

PDF PDF 1.72 MB
SNS Noise Source Operating Service Guide
Operating service guide explains how to operate and/or service the SNS Series Noise Sources: N4000A, N4001A and N4002A.

User Manual 2017-05-26

PDF PDF 1.19 MB
Noise and Noise Figure: Improving and Simplifying Measurements - Application Brief
Noise is present in every electronic circuit. Noise disturbances can limit the overall performance of a wireless system, making noise measurements fundamental for all transmitter/receiver components.

Application Note 2017-05-16

PDF PDF 1021 KB
NFA X-Series Noise Figure Analyzers Specifications Guide
Specification information for the NFA X-Series noise figure analyzers.

Technical Overview 2017-05-01

PDF PDF 896 KB
N8975A Option K88 Blockdown Converter Operating and Service Manual
Special Supplement for the N8975A Option K88 Operating and Service Manual.

Operation Manual 2016-09-01

PDF PDF 873 KB
N8975A Option K98 Blockdown Converter Operating and Service Manual
Special Supplement for the N8975A Option K98 Operating and Service Manual.

Operation Manual 2016-09-01

PDF PDF 784 KB
N8975A Option K99 Blockdown Converter Operating and Service Manual
Special Supplement for the N8975A Option K99 Operating and Service Manual.

Operation Manual 2016-09-01

PDF PDF 828 KB
N8975A Option K67 Blockdown Converter Operating and Service Manual
Special Supplement for the N8975A Option K67 Operating and Service Manual.

Operation Manual 2016-09-01

PDF PDF 971 KB
N8975A Option K75 Blockdown Converter Operating and Service Manual
Special Supplement for the N8975A Option K75 Operating and Service Manual.

Operation Manual 2016-09-01

PDF PDF 962 KB
N8975A Option K63 Blockdown Converter Operating and Service Manual
Special Supplement for the N8975A Option K63 Operating and Service Manual.

Operation Manual 2016-09-01

PDF PDF 751 KB
N8975A Option K50 Blockdown Converter Operating and Service Manual
Special supplement for the Operating and Service Manual for the N8975A Option K50.

Operation Manual 2016-09-01

PDF PDF 831 KB
N8975A Option K40 Blockdown Converter Operating and Service Manual
Special supplement for the Operating and Service Manual for the N9075A Option K40.

Operation Manual 2016-09-01

PDF PDF 764 KB
Signal Analyzers: Keysight EXA vs. Rohde & Schwarz FSV - Competitive Comparison
This comparison demonstrates the Keysight EXA signal analyzer's superior performance in making sensitivity and noise figure measurements, as compared to the R&S FSV.

Competitive Comparison 2016-05-17

PDF PDF 768 KB
Keysight Technologies Software - Brochure
Keysight software is downloadable expertise. From first simulation through first customer shipment, we deliver the tools your team needs to accelerate from data to information to actionable insight.

Brochure 2016-05-02

PDF PDF 7.39 MB
N9069C Noise Figure Measurement Guide
Measurement information for the N9069C Noise Figure Signal Analyzer.

User Manual 2016-03-01

PDF PDF 1.55 MB

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