6
The Operational Amplifier as a Circuit Element
CHAPTER OBJECTIVES
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To introduce Operational Amplifier (Opamp) as a circuit element and explain its features.
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To develop and illustrate the analysis of Opamp circuits using the Ideal Operational Amplifier (IOA) model.
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To explain the principles of operation of commonly employed linear Opamp circuits.
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To extend the IOA Model to include offset and input bias current effects.
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To illustrate the effect of voltage, current and slope limits at the Opamp output on circuit performance.
The introductory part of the chapter uses a MOSFET amplifier as an example to develop various concepts like bias point, small-signal and large-signal operation, linear and non-linear distortion, role of DC power ...
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