Analysis of opamp circuits from "summary" of Electronics - Circuits and Systems by Owen Bishop
Opamp circuits are widely used in electronic systems due to their versatility and reliability. These circuits typically consist of one or more operational amplifiers, which are high-gain differential amplifiers. To analyze opamp circuits, it is important to understand the basic principles of operational amplifiers.
The analysis of opamp circuits involves applying Kirchhoff's current and voltage laws, along with the properties of ideal opamps. Ideal opamps have infinite input impedance, zero output impedance, infinite gain, and zero offset voltage. By assuming these ideal characteristics, we can simplify the analysis of opamp circuits.
When analyzing opamp circuits, it is common to use the concept of virtual short circuits at the input terminals. This means that the voltage at the inverting and non-inverting input terminals of the opamp are assu...
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