What does return rations mean here?

[betty1007]

what the mean of "return rations" in this paper:
Determination of stability using return ratios in balanced fullydifferential feedback circuits
Hurst, P.J.; Lewis, S.H.
Circuits and Systems II: Analog and Digital Signal Processing, IEEE Transactions on [see also Circuits and Systems II: Express Briefs, IEEE Transactions on]
Volume 42, Issue 12, Dec 1995 Page(s):805 - 817
Digital Object Identifier 10.1109/82.476178
does it mean loop gain? but i can not understand the express of RR(CM)(equation 7) in this paper.

 

[iamxo]

Re: return rations

you can refer to EECS berkeley EE241, one ppt talks about return ratio of feedback, it is clear.
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good luck

 

[betty1007]

Re: return rations

you can refer to EECS berkeley EE241, one ppt talks about return ratio of feedback, it is clear.

good luck

can you post it .please help me.

 

[Alan_Nesta]

return rations

hehe
I am also study it now
who can give us one light?