basic of an op-amp
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Department: EEE
Submitted to:Nusrat Alim Lecturer, GUB Submitted by:
Mehedi KahharID # 143010001
Course Title: Electronics II
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Basic of an OP-AMP
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IntroductionWhat is OP-AMP?History of OP-AMPCharacteristics of OP-AMPTypes of OP-AMPApplications of OP-AMP
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What is an Op-Amp? (The Surface)
An Operational Amplifier (Op-Amp) is an integrated circuit that uses external voltage to amplify the input through a very high gain.
FIG-1: What an Op-Amp looks like to a lay-person
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What is an Op-Amp? (Pin Diagram)
There are 8 pins in a common Op-Amp IC, like the IC741 which is used in many instructional courses.
FIG-2: What an Op-Amp looks like to an engineer
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Op-Amp Characteristics Infinite open-loop gain G = vout / vin
Infinite input impedance
Infinite output voltage range
Zero output impedance
Zero noise
Infinite power supply rejection ratio.
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Types of Op-Amps Inverting
Non-inverting
Summing amplifier
The voltage follower
Integrator
Differentiator
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Applications of Op-Amps Comparator Integration and differentiation Charge amplifier Capacitance multiplier Oscillators Filters Audio and video preamplifiers and buffers Voltage regulator and current regulator Digital-to-analog converter
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THANKS TO ALL