{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Lecture07_Noise_Feedback_2up

Lecture07_Noise_Feedback_2up - EECS240 Spring 2008 Lecture...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
EECS240 – Spring 2008 Lecture 7: Noise and Feedback Elad Alon Dept. of EECS EECS240 Lecture 7 2 Noise and Feedback Ideal feedback: No increase of input referred noise No decrease of SNR at output Practical feedback: increased noise Noise from feedback network Noise gain from elements outside feedback loop
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
EECS240 Lecture 7 3 Ideal Feedback and Noise Ideal (noiseless) feedback network: Noise doesn’t change Real feedback elements have noise though… EECS240 Lecture 7 4 Real Feedback Conceptually identical to standard two port calculations Use Rs = 0 to find v i,eq 2 Rs = to find i i,eq 2 Calculations get tedious…
Background image of page 2