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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 OpenLoop 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 90.839.179.08mV 10,000 99.001.000.99mV 100,000 99.900.100.10mV 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 ClosedLoop Gain Effect of Finite OpenLoop 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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 Fall '09
 Amplifier, Operational Amplifier, Volt, Cybernetics, voltage follower, Finite OpenLoop Gain

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