Transcription of 25 - Talking Electronics
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25 - Talking Electronics
662 Principles of ElectronicsINTRODUCTIONH istorically, an operational amplifier (OP-Amp) was designed to perform suchmathematical operations as addition,subtraction, integration and differentiation. Hence,the name operational amplifier . An operationalamplifier is a multistage amplifier and consists of adifferential amplifier stage, a high-gain CE amplifierstage and class B push-pull emitter follower. Anoperational amplifier (OP-Amp) is an *integratedcircuit and is widely used in computers, as video andaudio amplifiers in communication of their multi-purpose use, OP-Amps are*All the components of an OP-Amp ( , transistors,resistors etc.) are fabricated on a small chip calledintegrated circuit. amplifier Circuit of Differential amplifier and Differential-mode signals Gains of Analysis of DifferentialAmplifier (DA) of DA (or Op amp) dueto Mismatch of Analysis of amplifier (OP- Amp) Voltage from of an Response of an of and Output Impedance ofInverting of Negative Feedback on OP-Amp of OP-AMP of Summing CircuitsOperationalAmplifiers25 O
Operational Amplifiers 663 used in all branches of electronics, both digital and linear circuits. In this chapter, we shall discuss the various aspects of operational amplifiers.
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