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I meet a problem while doing Pnoise analysis of mixer.

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mzhanghong

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Hello all:

The example of mixer600p uses a port as a rf input port.
But in my design, i use a psin as the rf input.
During the anaylsis, i see that:

Port7 contains no noise, its NF and F are infinite.

What cause that problem and how to resolve this problem?

Thanks.
 

is port7 the input port?
it seems that you got no noise for the inout port..
 

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