sqx
Member level 1
Hi,
From the equation of cascade noise figure, we can see that the noise figure of the chain is determined by the first several stages of LNA. But how to physically understand it? Why is cascade noise figure set up bu the first several stages?
From the equation of cascade noise figure, we can see that the noise figure of the chain is determined by the first several stages of LNA. But how to physically understand it? Why is cascade noise figure set up bu the first several stages?