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Noise Figure Analyzers & Noise Sources

Find by Product Model Number: Examples: 34401A, E4440A

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Noise Figure Uncertainty Calculator
The noise figure uncertainty calculator has been created to aid your design work, from components through to systems, helping you meet the continued demand for higher system performance.

Analysis Tool 2014-05-19

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 2014-02-26

PDF PDF 1.48 MB
Spectrum Analysis Basics - Application Note
This application note (also known as AN 150) explains the fundamentals of swept-tuned, superheterodyne spectrum analyzers and discusses the latest advances in spectrum analyzer capabilities.

Application Note 2014-02-25

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
Things to Know to Achieve Optimum Power Measurement Speed and Accuracy - Application Brief
When you need to maximize power measurement speeds, knowing three key items can make a significant difference. These items include understanding your test signal, equipment, and which measurement tech

Application Note 2013-07-01

PDF PDF 219 KB
10 Hints for Making Successful Noise Figure Measurements (AN 57-3)
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 2011-12-21

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 2010-08-05

Maximizing Measurement Speed with the Keysight X-Series Signal Analyzer (AN-1583)
This 13 page application note introduces several innovations that are used to improve the measurement speeds of the X-Series signal analyzers (MXA/EXA).

Application Note 2008-01-30

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
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

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
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

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
Spectrum Analysis Basics: From 1997 Back to Basics Seminar
This paper covers everything from a definition of spectrum to the types of instruments used to make the measurements. Topics include resolution, amplitude measurements sensitivity, dynamic range, LO stability, and the use of spectrum analyzers....

Application Note 1997-04-01

PDF PDF 3.16 MB
Spectrum Analysis: Noise Figure Measurement (AN 150-9)
This Application Note is for information only. Keysight no longer sells or supports these products.

Application Note 1976-04-01

PDF PDF 263 KB
Continuous Monitoring of Radar Noise Figures (AN 43)
This Application Note is for information only. Keysight no longer sells or supports these products.

Application Note 1964-12-01

PDF PDF 900 KB