Explanation Given: Resistors = R 1 and R 2 Tolerance = x % Nominal closed loop gain = -100V/V Tolerance value on resistance x =1 Calculation: The given op-amp is an ideal one. The closed loop gain is given by the expression G = | − R 2 R 1 | G = R 2 R 1 Let the tolerance value is small. The value of closed loop gain when tolerance is x % is G = R 2 ( 1 ± x % ) R 1 ( 1 ± x % ) The expression is also involving uncertainties. The expression for the calculations involving uncertainties will be a ± Δ a b ± Δ b = a b ± ( Δ a + Δ b ) G = R 2 R 1 ( 1 ± 2 x % ) Thus, the tolerance on closed loop gain is 2 x % . The closed loop gain is given as -100V/V. The tolerance value on resistance is x = 1. Therefore, the closed loop gain can be changed by ± 2

Microelectronic Circuits (The Oxford Series in Electrical and Computer Engineering) 7th edition

7th Edition

ISBN: 9780199339136

Author: Adel S. Sedra, Kenneth C. Smith

Publisher: Oxford University Press

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Chapter 2, Problem 2.17P

To determine

The value of the tolerance of the closed loop gain.

The range of the gain values which can be expected from such a circuit.

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Chapter 2, Problem 2.16P

Chapter 2, Problem 2.18P

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Chapter 2 Solutions

Microelectronic Circuits (The Oxford Series in Electrical and Computer Engineering) 7th edition

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The value of the tolerance of the closed loop gain. The range of the gain values which can be expected from such a circuit.

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The value of the tolerance of the closed loop gain. The range of the gain values which can be expected from such a circuit.

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Chapter 2 Solutions

The value of the tolerance of the closed loop gain.

The range of the gain values which can be expected from such a circuit.