MICROELECT. CIRCUIT ANALYSIS&DESIGN (LL)

4th Edition

ISBN: 9781266368622

Author: NEAMEN

Publisher: MCG

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Chapter 12, Problem 12.11P

(a) An inverting amplifier uses an op-amp with an open-loop 3 dB frequency of 5 Hz . The closed-loop low-frequency gain is to be | A v f | = 75 and the closed-loop bandwidth is to be 35 kHz. (i) What is the required value of the open-loop low-frequency gain? (ii) Determine the feedback transfer function β . (b) Using the results of part (a), what is the closed-loop bandwidth and closed-loop low-frequency gain if the open-loop low frequency gain decreases by 10 percent?

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Chapter 12, Problem 12.10P

Chapter 12, Problem 12.12P

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Chapter 12 Solutions

MICROELECT. CIRCUIT ANALYSIS&DESIGN (LL)

Ch. 12 - (a) The open-loop gain of an amplifier is A=5104...Ch. 12 - (a) Consider a general feedback system with...Ch. 12 - (a) A feedback amplifier has an open-loop...Ch. 12 - (a) Consider the circuit shown in Figure...Ch. 12 - (a) The closed-loop gain of a feedback amplifier...Ch. 12 - The gain factors in a feedback system are A=5105...Ch. 12 - Prob. 12.3TYU Ch. 12 - An ideal series-shunt feedback amplifier is shown...Ch. 12 - Consider the ideal shunt-series feedback amplifier...Ch. 12 - An ideal series-series feedback amplifier is shown...

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Solution Summary: The author calculates the value of open loop frequency gain and feedback transfer function ß.

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Chapter 12 Solutions