无线电工程

针对模拟宽带放大器本身的热噪声具有高斯白噪声的特点,提出了一种基于模拟宽带放大器的噪声源模块的设计方法。介绍了该方法的设计方案,详细论述了设计中需要解决的问题以及解决方法,分析了设计中的关键技术。对噪声模块输出的噪声进行了测试,并对测试结果进行了分析。测试结果表明该方法产生的噪声信号具有良好的高斯白噪声的特性。

The thermal noise made by analog wideband amplifier has the characteristics of Gaussian white noise.Based on analog wideband amplifier,a design method of noise source module is proposed.This paper introduces the design scheme of this method and discusses in detail the problems to be solved in the design and their solutions,and analyzes the key techniques used in the design.The noise output from the noise module is tested and the test results are analyzed.The test results show that the signal generated by this method has the characteristics of Gaussian white noise.