Nptel provides elearning through online web and video courses various streams. Feedback basic concepts, macromodeling, op amp with resistive components, measurement and simulation, high sensitivity transconductance converter, op amp static and dynamic properties, integrator modeling via simulink, op amp nonidealities, system level closed loop amplifiers, biquad. Op amp terminals and voltages feedback comparator circuits ideal op amp. Ahmad elbanna faculty of engineering department of electronics and communications 15 gee336 electronic circuits ii. Infinite input impedance n input impedance is the ratio of input voltage to.
Operational amplifier, difference amplifiers, biasing of differential amplifiers, practical operational amplifier, parameters of an opamp, open loop opamp configuration, closed loop amplifier, voltage shunt feedback, opamp applications, oscillator, harmonic oscillators, tuned oscillators, voltage regulators, design of series. Integrated circuits applications pdf notes ica notes pdf. Infinite openloop gain n openloop gain avol is the gain of the op amp without positive or negative feedback n in the ideal op amp avol is infinite g typical values range from 20,000 to 200,000 in real devices g property no. Ravel ammerman, colorado school of mines recorded february 6, 20. Pal, department of computer science engineering,iit kharagpur. Operational amplifier or opamp is a multistage amplifier that is used for general electrical signal manipulationgeneral electrical signal manipulation.
Lecture 7 operational amplifier in negative feedback. In its classic form it consists of two input terminals, one of which inverts the phase of the signal, the other preserves the phase, and an output terminal. Module 2 lecture 3 biasing the bjt lecture series on basic electronics by dr. In todays lecture we continue with the operational amplifier, op amp for short and what we are going to do is just build. Lecture 210 1 stage frequency response 11002 page 2102. Amplifiers built with opamps work with dc input voltages as well useful in.
Using r k 2n 1 r2k, we get i v r 2n 1r nx1 0 s k 2 k n 4 here. These lecture notes give mos circuit examples many from razavis textbook. Op amp operation introduction the op amp is one of the basic building blocks of linear design. Vajpeyi department of physics, indian institute of technology guwahati, india 1. Some courses might have presentations or quiz papers uploaded, but rest of them just have transcripts which is pretty useless to refer as notes. If power supply voltage v cc 15v then maximum input voltage which can be applied vd v cc a d 15 10 5 150 v i. The standard symbol for the op amp is given in figure 1. The numbers of applications possible with opamps are two numerous to list. Chitralekha mahanta, department of electronics and communication engineering,iit guwahati. Introduction summary on opamps introduction summary on. Data communication nptel online videos, courses iit video.
In todays lecture we continue with the operational amplifier, op amp for short and what we are going to do is just build up a bunch of fun building blocks using the op amp. An opamp has a very high gain typically order of 10 5. Operational amplifier, difference amplifiers, biasing of differential amplifiers, practical operational amplifier, parameters of an opamp, open loop opamp configuration, closed loop amplifier, voltage shunt feedback, opamp applications, oscillator, harmonic oscillators, tuned oscillators, voltage regulators. Infinite openloop gain n openloop gain avol is the gain of the opamp without positive or negative feedback n in the ideal opamp avol is infinite g typical values range from 20,000 to 200,000 in real devices g property no. How to download notes directly in pdf format from nptel quora. But we needed a few inventions before we had an op amp. These old publications, from 1963 and 1966, respectively, are some of the finest works on op amp theory that i have ever seen.
The operational amplifier opamp is a key building block in analog integrated circuit design. Similar equations have been developed in other books, but the presentation here emphasizes material required for speedy op amp design. Thus, the output signal exceeds the slew rate of the opampor at least, it tries too. I have written only those lectures which i found important and which are in the gate syllabus. Download analog circuits by nptel download free online book chm pdf. Chitralekha mahanta, department of electronics and communication engineering. Lecture notes ppt operational amplifiers introduction, operational amplifiers, ideal op amp, inverting amplifier, noninverting amplifier, summing amplifier, difference amplifier, cascaded op amp circuits, op amp circuit analysis. May 12, 2009 lecture series on basic electronics by dr. Lecture 29 operational amplifier frequency response. Module 2 lecture 3 biasing the bjt nptel basic electronics. The characteristics of an opamp are nearly ideal opamp circuits can be expected to perform as. The operational amplifier is a directcoupled high gain amplifier usable from 0 to over 1mh z to which feedback is added to control its overall response. These notes has been made by me after watching nptel lectures given by various professor from different iits and iisc. This is true about the inverting and noninverting amplifiers as well.
The symbol of the op amp with the associated terminals and ports is shown on figure 1a and b. Operational amplifiers introduction the operational amplifier op amp is a voltage controlled voltage source with very high gain. Two stage feed forward opamp notes, engineering, semester notes edurev is made by best teachers of. Applications on positive feedback operational amplifierspart 1. Since the inverting terminal of the op amp is at virtual ground, i k va k 0 r k s k v r r k. A voltage controlled oscillator vco is an oscillator whose frequency can be varied by a voltage or current. Traditional op amps need 12v head room dual supply vs.
This document is highly rated by students and has been viewed 219 times. Module 4 lecture 1 operational amplifier introduction. Lecture 29 operational amplifier frequency response reading. Nptel video lectures iit video lectures online nptel youtube lectures free video lectures nptel online courses youtube iit videos nptel courses.
Sep 05, 2008 lecture series on electronics for analog signal processing partii by prof. Login page of lecturenotes lecturenotes lecture notes, notes, pdf free download, engineering notes, university notes, best pdf notes, semester, sem, year, for all. Transformer dc machines induction machine power system power electronics analog electronics prof. When the op amp output is unable to rise at the rate predicted by equation 3, i. Basic opamp applications and introduction to development kit. Basic opamp op amp is a circuit that has two inputs and one output. Ideal op amps used to control frequency response high pass filter at dc s0, the gain is zero. Lecture 1 introduction and course outline data communication. Radhakrishna rao, department of electrical engineering,iit madras. Notes courtesy of professor sarah harris agenda ideal op amps characteristics examples real op amps characteristics examples ideal op amps operational amplifiers op amps amplify an input signal and produce an output signal. Modern op amps owe their existence to edisons light bulb. Integrated circuits applications notes pdf ica pdf notes book starts with the topics.
Operational amplifier, difference amplifiers, biasing of differential amplifiers, practical. Op amp and linear ics, prentice hall pearson education, 4. Opamp analysis is significantly easier than transistor analysis. For v large, the op amp output will be unable to rise at the rate predicted by equation 3. Lecture 7 operational amplifier in negative feedback youtube.
Operational amplifiers op amps harvey mudd college. Eggn 281 lecture introduction to operational amplifiers op amps taught by dr. Pdf ec6404 linear integrated circuits lic books, lecture. Chapter iiia the operational amplifier and applications. The reality is that since the opamp output cannot change at a rate greater than 4v. Lecture series on electronics for analog signal processing partii by prof. The slewrate sr is the maximum possible rate of change of the op amp output voltage. Opamp and linear ics, prentice hall pearson education, 4.
Feedback and opamps last time, we discussed using transistors in smallsignal amplifiers if we want a large signal, wed need to chain several of these small amplifiers together theres a problem, though. Handbook of operational amplifier applications rev. Download ec6404 linear integrated circuits lic books lecture notes syllabus part a 2 marks with answers ec6404 linear integrated circuits lic important part b 16 marks questions, pdf books, question bank with answers key, ec6404. Analog circuits by nptel download book free book centre.
Lecture 1 introduction to basic electronics youtube in the analog part diode circuits bjt amplifiers op amp circuits will be covered. Here you can download the free lecture notes of integrated circuits applications pdf notes ica notes pdf materials with multiple file links to download. Module 4 lecture 1 operational amplifier introduction youtube. Feedback basic concepts, macromodeling, op amp with resistive components, measurement and simulation, high sensitivity transconductance converter, op amp static and dynamic properties, integrator modeling via simulink, op amp nonidealities, system level closed loop amplifiers, biquad filters using integrators, activerc. We will return to material in chapter 8 to study stability of amplifiers, and see how compensation can be utilized. The output voltage is v o r f i v r r f 2n 1r nx 1 0 s k 2 k. Data communication lecture series on data communication by prof. At high frequency, r1c1s1, the gain returns to its full value, r2r1. The opamp is composed by several transistors and passive elements resistors and capacitors and arranged such that its low. The operational amplifier is a directcoupled high gain amplifier usable from 0 to over 1mh z to which.
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