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高效能雜訊指數量測

雜訊指數分析儀是執行雜訊指數量測的專用解決方案。 最基本的雜訊指數分析儀包含一個具有精確功率檢測器的接收器，以及一個雜訊源供電電路。

高效能 Keysight NFA X 系列雜訊指數分析儀具有可變頻寬，提供媲美基於頻譜分析儀之量測系統的功能，讓您輕鬆量測窄頻裝置。

簡易的雜訊指數量測設定

NFA 系列雜訊指數分析儀提供簡單易懂的操作選單，讓您能輕鬆完成複雜的量測。 內建輔助說明按鈕，您無需隨身攜帶使用手冊，便可獲得關鍵功能和遠端程控指令的說明，讓您能盡快開始進行量測。

低雜訊指數量測儀器的不確定性

進行雜訊指數量測時，量測不確定性是需要特別留意的重要參數。 NFA 具有更低的儀器不確定性，可協助製造商對裝置進行準確且可重複的量測。

提高量測速率

在製造環境中，量測速度和可重測度至關重要。 NFA 系列雜訊指數分析儀現在透過許多可縮短量測時間並提高量測速率的特性，例如頻率清單和掃描平均功能。

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N8973B
N8973B 雜訊指數分析儀，10 MHz 至 3.6 GHz，多點觸控 
入門價  
Gain Uncertainty: ±0.15 dB
N8974B
N8974B 雜訊指數分析儀，多點觸控，10 MHz 至 7 GHz 
入門價  
Gain Uncertainty: ±0.15 dB
N8975B
N8975B 雜訊指數分析儀，多點觸控，10 MHz 至 26.5 GHz 
入門價  
Gain Uncertainty: ±0.15 dB
N8976B
N8976B 雜訊指數分析儀，多點觸控，10 MHz 至 40 GHz 
入門價  
Gain Uncertainty: ±0.15 dB
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精選資源

Application Notes 2019.09.30

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.

2019.09.30

Application Notes 2024.10.08

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.

2024.10.08

Application Notes 2024.07.04

10 Hints for Making Successful Noise Figure Measurements

10 Hints for Making Successful Noise Figure Measurements

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.

2024.07.04

Data Sheets 2020.11.24

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.

2020.11.24

Flyers 2024.12.02

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.

2024.12.02

White Papers 2022.12.26

Three Ways USB Noise Sources Help You Remove Uncertainty in Y-Factor Measurements

Three Ways USB Noise Sources Help You Remove Uncertainty in Y-Factor Measurements

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

2022.12.26

Technical Overviews 2019.01.05

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.

2019.01.05

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