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Single mosfet noise simulation using spectre

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hsiangleung

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I'm trying to simulate the noise psd of nmos. but when i performed the noise analysis and plotted the resulting output noise, it is zero over all the frequency range? could someone help me? thanks.
捕获.PNG捕获1.PNG捕获2.PNG
 

Hi,

Try to remove voltage source V1.
 

Hi sarge,

Thanks for your helpful suggestion! I modified it and it works. the node of which I tested the noise voltage cannot be disturbed by noise since a constant ideal voltage is connected to it, right?



sarge said:
Hi,

Try to remove voltage source V1.
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At least, i think so :)
 

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