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→Role in non-ideal gain: "Removed incorrect negative value in the denominator of the expression." |
→Role in non-ideal gain: Added back negative sign, as it is ambiguous. |
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However, with the use of open-loop gain, the equation becomes:
<math>G = \frac{- \frac{R_2}{R_1}}{1 + \frac{ - \frac{R_2}{R_1}}{A}}</math>
Notice that the equation becomes effectively the same for the ideal case as <math>A</math> approaches infinity.
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