CFB opamp

Thread Starter

xxxyyyba

Joined Aug 7, 2012
289
Hi!
Here is my task:

mijan.png
Any idea?
I have hard times figuring out how circuits with CFB OPAMPs are analysed.
 

MikeML

Joined Oct 2, 2009
5,444
1. Write an equation for V-
2.Write a different equation for V+
3. Because of the behavior of a closed loop opamp, V- = V+.
4. reduce the resulting single equation to express Viz as a function of V1 and the four resistors...
 
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