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Prof. Yasser Mostafa Kadah – www.k-space.org BASIC ELECTRONICS PART 4: OPERATIONAL AMPLIFIER
Recommended Reference Medical Instrumentation Application and Design, 4 th ed., John G. Webster (ed.)
Ideal Op Amp Characteristics
Differential Amplifier Disadvantage: Low input impedance
Instrumentation Amplifier Advantage: High input impedance
Logarithmic Amplifier Output proportional to input logarithm
Active Filters Low-pass filter High-pass filter Band-pass filter Combination of the two
Practical Characteristics of Op Amps Gain-Bandwidth Product Constant for any Op Amp Slew Rate Offset voltage Drift Noise
Example: 741 Op Amp
Example: LH6702 Wideband Op Amp
Assignments Download and go through the data sheets of the practical Op Amps discussed and compare their characteristics. Implement Op Amp circuits of your choice in the lab to test their performance.
1 Electronic Circuits OP AMPs. 2 Electronic Circuits Operational amplifiers are convenient building blocks that can be used to build amplifiers and filters.
Chapter 3. Amplifiers and Signal Processing John G. Webster
ECE201 Lect-161 Operational Amplifiers ( ) Dr. Holbert April 3, 2006.
NONIDEAL OP AMP CIRCUITS. Objective of Lecture Describe the impact of real operational amplifiers on the models used in simulation and on the design approaches.
Introduction to the OP AMP
ECE 201 Circuit Theory I1 Introduction to the Operational Amplifier μA 741 OP AMP.
Operational Amplifiers (Op Amps) Discussion D3.1.
Lecture 91 Loop Analysis (3.2) Circuits with Op-Amps (3.3) Prof. Phillips February 19, 2003.
Op Amps Lecture 30.
1 More on Op Amps Discussion D Ideal Op Amp 1) The open-loop gain, A v, is infinite. 2) The current into the inputs are zero.
Announcements Tuesday’s Lecture next week is cancelled –October 18 th Assignment 4 is active, due in my mailbox by 5pm Friday (October 14 th ) Mid-term.
ECE 2006 Chapter 5: Operational Amplifiers. Differential Amplifier Not Practical Prior to IC Fabrication 2 Inputs, Output is A v *(V 1 - V 2 )
Active Filter It is phasor time again. Active Low Pass Filter Amplification: R F /R S low pass factor 1/(1+j R F C F ) Cut off frequency: R F C F.
1 ECE 3336 Introduction to Circuits & Electronics MORE on Operational Amplifiers Spring 2015, TUE&TH 5:30-7:00 pm Dr. Wanda Wosik Set #14.
Chapter 13: Operational Amplifiers
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