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噪声系数测量的三种方法

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噪声系数测量的三种方法Maxim > App Notes > BASESTATIONS / WIRELESS INFRASTRUCTURE

WIRELESS, RF, AND CABLE

Keywords: rf, rfic, wireless, noisefigure measurement, gain, meter, y factor, rf ics, rfics

Nov 21, 2003

APPLICATION NOTE 2875

Three Methods of Noise Figure Measurement
Abstract: Three different methods to measure noise figure are presented: Gain method, Y-factor method, and the Noise Figure Meter method. The three approaches are compared in a table.

Introduction
In wireless communication systems, the "Noise Figure (NF)," or the related "Noise Factor (F)," defines the noise performance and contributes to the receiver sensitivity. This application note describes this important parameter and details ways to measure it.

Noise Figure and Noise Factor
Noise Figure (NF) is sometimes referred to as Noise Fac……
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噪声系数测量的三种方法
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