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Noise Figure Measurements & Solutions

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If you need to make noise figure measurements, you’ve come to the right place to get the tools and technical support you need. Whether it is an instrument, accessories, or literature, Agilent has the right solutions to help you make the following measurements more accurately:

  • Noise figure/factor
  • Gain
  • Effective temperature
  • Y-factor
  • Hot/cold power density

To better determine how Agilent can meet your noise figure measurement needs today, use our Noise Figure Selection Guide.

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Millimeter-Wave Noise Figure and Noise Parameter Measurements – Maury Microwave 
Millimeter-Wave Noise Figure and Noise Parameter Measurements from Maury Microwave and Agilent.

Soluzioni 2014-04-02

 
Noise Parameter Measurements - Maury Microwave 
Noise Parameter vs Noise Figure Measurement from Maury Microwave and Agilent

Soluzioni 2014-04-01

 
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
High-Accuracy Noise Figure Measurements Using the PNA-X Series Network Analyzer – App Note 1408-20 
This application note discusses the unique challenges involved in minimizing noise figure.

Application Note 2013-01-31

PDF PDF 2.54 MB
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 2012-10-18

 
Noise Figure Demo Videos on YouTube 
Explore YouTube for videos based on the 10 Hints to Make Better Noise Figure Measurements application note.

Demo 2012-10-05

 
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

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

Demo 2011-12-05

 
Fundamentals of RF and Microwave Noise Figure (AN 57-1) 
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

Preselector Tuning for Amplitude Accuracy in Microwave Spectrum Analysis 
This 8 page application note introduces the technique for broadband modulated signals employed in the new MXA signal analyzer.

Application Note 2009-08-14

89441A Vector Signal Analyzer Phase Noise Measurements 
The procedure takes you step-by-step through a phase noise measurement on the 89441A using two methods: direct spectrum and PM demodulation. No options are required to make this measurement.

Application Note 2004-07-26

PDF PDF 90 KB
Noise Figure Measurements of Frequency Converting Devices, AN 1487 
"This application note provides details and examples about how the Agilent 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
346A/B/C Noise Sources: 10 MHz to 26.5 GHz 
The attached document provides technical data for the Agilent 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
How to Measure Noise Accurately Using the Agilent Combination Analyzers (PN 4395/96-1) 
Product note comparing Agilent combination analyzers (4395A, 4396B) and conventional Agilent spectrum analyzers (4195A, 3588A, 3585A/B). Agilent no longers sells these products.

Application Note 2000-11-01

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
Noise Power Ratio Measurements Using Agilent E2507B/E2508A Communications Signal Simulator (PN E2507B & PN E2508A) 
The NPR measurement requires a stimulus source to generate conditioned noise and a measurement receiver to analyze the changes in the noise after it passes through the device under test. This Product Note shows how the Agilent E2507B or E2508A Multi-format Communications Signal Simulator...

Application Note 2000-08-01

PDF PDF 384 KB
Applications and Operations of the 8970A Noise Figure Meter (PN8970A-1) 
Part Number: 08970-99000 (Nov81). The 8970A is a discontinued product; this product note is provided for information only.

Application Note 1981-11-01

PDF PDF 7.65 MB
Spectrum Analysis... Signal Enhancement (AN 150-7) 
Part Number: 8554-8447. Application Note 150-7 (Jun75)

Application Note 1975-06-01

PDF PDF 8.84 MB
Spectrum Analysis: Noise Measurements (AN 150-4) 
Application Note 150-4

Application Note 1974-04-01

PDF PDF 10.46 MB