- #1

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## Homework Statement

I really need help with them all but I mostly have a question over the problems with noise margins or gain terminology. The problems are located here on tutorial problems under the digital abstraction it is the second one under tutorial problems. The problems can be found here http://6004.mit.edu/ To be specific To limit my needs problem 1.

## Homework Equations

## The Attempt at a Solution

I have no idea what gain means, I know that to be a combination all device it must be gain>1 but what does this mean in terms of a graph. in other words how do I read gain by looking at a chart. Also how do I find Vol, Vil, Vih, Voh just by looking at the chart? Also what does noise margins mean exactly?