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RF & Microwave

For most of your RF & Microwave measurement needs, you can find application & solution information here.

Be sure to check the library of application notes for detailed information on using your equipment and successfully completing the measurements you need.

Keysight RF and Digital Learning Center - A commitment to learning with industry experts

1-13 of 13

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

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 2017-07-13

Signal Analysis Measurement Fundamentals, Optimize Noise Floor, Resolution Bandwidth, and More 
Learn measurement fundamentals to optimize your signal analysis for greater insights

Application Note 2017-02-13

Optimizing RF and Microwave Spectrum Analyzer Dynamic Range -- Application Note 
The dynamic range of a spectrum analyzer is traditionally defined as the ratio, in dB, of the largest to the smallest signals simultaneously present at the input of the spectrum analyzer that allows measurement of the smaller to a given degree of uncertainty. The signals of interest can either be...

Application Note 2015-07-24

Optimizing RF and Microwave Spectrum Analyzer Dynamic Range - Application Note 
This application note defines the elements of spectrum analyzer measurement speed and shows how to choose solution bandwidth and data output format for fast measurements.

Application Note 2015-07-22

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 2015-05-29

Fundamentally Changing Nonlinear Microwave Design 
Provides an overview of the invention and need for X-parameters to model the behavior of non-linear devices. This is an article was originally from Microwave Journal, Issue March 2010, Vol.53. No.3

Feature Story 2010-03-09

PNA - Pulsed-RF S-Parameter Measurements Using Wideband and Narrowband Detection (AN 1408-12) 

Application Note 2007-11-28

Performance Spectrum Analyzer Series: Swept and FFT Analysis Application Note 
This Product Note covers the measurement speed and other benefits of advanced signal processing in the new PSA Performance Spectrum Analyzer Series.

Application Note 2004-10-19

PSA Performance Spectrum Analyzer Series: Measurement Innovations and Benefits 
Performance Spectrum Analyzer Series. This Note is a general overview of all of the major new technologies used in the PSA series, with a focus on the measurement benefits they provide...

Application Note 2004-02-27

Combining Network and Spectrum Analyses and IBASIC (AN 1288-1) 
Active components (and now even some passive components like crystal filters require analysis to characterize linear parameters (gain/loss, phase and group delay or S-parameters) as well as non-linear performance. Non-linear analysis is typically related to measuring signal distortion generated...

Application Note 2001-08-30

Optimizing Spectrum Analyzer Amplitude Accuracy (AN 1316) 
This Application Note covers the factors affecting the accuracy (or uncertainty) of amplitude measurements made with spectrum analyzers, and explains how to calculate worst-case uncertainty in general situations. It will help you analyze a measurement and decide what procedure to follow to...

Application Note 2000-08-01

More on Spectrum Analysis (AN 63A) 
This Application Note is for information only. Keysight no longer sells or supports these products.

Application Note 1965-06-01