如何产生一个400M带宽的白噪声呢？！

12-11

不是有专门的噪声仪吗？
Noise sources can be a simple noise diode which generates a low level of noi
se, to amplified noise
sources supplied in multiple form factors to instrumentation grade noise gen
erators which amplify,
attenuate and process both the noise and a user added signal.
Noise diodes come in a variety of packages and can be surface mount or DIP f
or PCB mount or coaxial
for system integration.

白噪声二极管，www.noisewave.com,更宽的都能

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