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高性能噪声系数测量

噪声系数分析仪是一种专门用于执行噪声系数测量的解决方案。 最基本的噪声系数分析仪由一个配有准确功率检测器的接收机和一个噪声源供电电路组成。

高性能 Keysight NFA X 系列噪声系数分析仪具有可变带宽，其测量功能可与基于频谱分析仪的测量系统相媲美，帮助您轻松测量窄带器件。

简便快捷的噪声系数测量设置

NFA 系列噪声系数分析仪提供了简单的引导式菜单，让您再也不必进行复杂的测量设置。 内置的帮助按钮介绍了关键功能和远程编程命令的用法，因此您无需随身携带使用手册，即可设置和启动测量。

低噪声系数测量仪器的不确定度

在进行噪声系数测量时，您需要注意的一个关键参数便是测量不确定度。 NFA 系列具有较低的仪器不确定度，可协助制造商对元器件进行准确且可重复的测量。

提高测量吞吐量

在制造环境中，测量速度和可重复性至关重要。 NFA 系列噪声系数分析仪现在拥有的许多功能都有助于缩短测量时间和提高吞吐量，例如频率列表和扫描平均功能。

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N8973B
N8973B 噪声系数分析仪，多点触控，10 MHz 至 3.6 GHz 
起价  
Noise Figure Uncertainty: ±0.02 dB using a 4-6 dB ENR Noise Source
Gain Uncertainty: ±0.15 dB
N8974B
N8974B 噪声系数分析仪，多点触控，10 MHz 至 7 GHz 
起价  
Noise Figure Uncertainty: ±0.02 dB using a 4-6 dB ENR Noise Source
Gain Uncertainty: ±0.15 dB
N8975B
N8975B 噪声系数分析仪，多点触控，10 MHz 至 26.5 GHz 
起价  
Noise Figure Uncertainty: ±0.02 dB using a 4-6 dB ENR Noise Source
Gain Uncertainty: ±0.15 dB
N8976B
N8976B 噪声系数分析仪，多点触控，10 MHz 至 40 GHz 
起价  
Noise Figure Uncertainty: ±0.02 dB using a 4-6 dB ENR Noise Source
Gain Uncertainty: ±0.15 dB
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特色资源

Application Notes 2019.10.01

Fundamentals of RF and Microwave Noise Figure Measurements

Fundamentals of RF and Microwave Noise Figure Measurements

Explore information on RF and Microwave noise figure measurements, starting from the concept of noise figure and noise temperature, describing the noise characteristics of two-ports networks, and highlighting the different methods used to measure noise figure, such as Y-Factor and the Direct Noise measurement method.

2019.10.01

Application Notes 2021.01.25

Noise Figure Measurement Accuracy: The Y-Factor Method

Noise Figure Measurement Accuracy: The Y-Factor Method

This app note discusses the fundamentals of noise figure measurement using Y-factor method and how to avoid noise figure mistakes.

2021.01.25

Application Notes 2019.09.25

Noise Figure Measurements: 10 Hints

Noise Figure Measurements: 10 Hints

Noise figure is often the key to characterizing a receiver and to detect weak incoming signals. Learn to minimize uncertainties in your noise figure measurements.

2019.09.25

Data Sheets 2020.11.25

NFA X-Series Noise Figure Analyzer, Multi-touch N8973B, N8974B, N8975B, N8976B

NFA X-Series Noise Figure Analyzer, Multi-touch N8973B, N8974B, N8975B, N8976B

This data sheet is a summary of the specifications and conditions for NFA X-Series Noise Figure Analyzers.

2020.11.25

Flyers 2021.10.21

5 Reasons to Buy the X-Series NFA

5 Reasons to Buy the X-Series NFA

This 2-page flyer lists 5 reasons to buy Keysight X-Series noise figure analyzers.

2021.10.21

White Papers 2022.12.27

Three Ways USB Noise Sources Help You Removing Uncertainty in Y-factor Measurements

Three Ways USB Noise Sources Help You Removing Uncertainty in Y-factor Measurements

USB noise sources are a fantastic alternative for noise figure measurements because of their ease, reliability, and versatility.

2022.12.27

Technical Overviews 2019.01.06

U1831C USB Noise Source - Technical Overview

U1831C USB Noise Source - Technical Overview

The Keysight U1831C USB noise source is designed to work with NFA-B signal analyzer, X-series signal analyzer and M9191/3A PXIe VSA for an fast and accurate noise figure measurement solution. The USB connectivity that comes with a smart feature of automatically download of electronically stored calibration data and ENR with temperature sensing capability simplify test setup and improved overall measurement accuracy.

2019.01.06

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