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**Unformatted text preview: **3. The non inverting input is grounded. Closed Loop gain 1 v v G = The Gain depends only on external components Effect of Finite Open-Loop Gain A R R R R v v G / ) / 1 ( 1 / 1 2 1 2 1 + +-= = A R R < < + + ) / 1 ( 1 1 2 ; 1 2 R R G-= Example 2.1 Ω = k R 1 1 , Ω = k R 100 1 , V v I 1 . = Calculate the closed loop gain, the error and 1 v A 1,000 90.83-9.17-9.08mV 10,000 99.00-1.00-0.99mV 100,000 99.90-0.10-0.10mV ε G 1 v Input and output Resistances 1 1 1 / R R v v i v R I I I i = = = The Weighted Summer The Noninverting Configuration The Closed-Loop Gain Effect of Finite Open-Loop Gain A R R R R v v G I ) / ( 1 1 ) / ( 1 1 2 1 2 + + + = ≡ The Voltage Follower Example 2.2...

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