In this video, the frequency response and the gain bandwidth product of an op-amp have been discussed.
Gain bandwidth product is a very important parameter of the op-amp. And it is quite often used for selecting specific op-amp for the particular application.
Frequency Response of the op-amp:
In open loop configuration, the gain of the op-amp is not constant and varies with the frequency. The gain of the op-amp remains constant up to the certain frequency and beyond that, it reduces at the constant rate of -20 dB/dec.
In open loop configuration, the bandwidth of the op-amp used to be very low (Few Hertz), because most of the today's op-amps are internally compensated. (By using the internal compensation capacitor)
This internal compensation ensures the stability of the op-amp output at high frequency when op-amp is used in the feedback configuration.
And second, it ensures that op-amp has a single cut-off frequency at till its gain reaches the unity gain.
Gain Bandwidth Product of Op-amp:
Because of the internal compensation, it is easy to identify the frequency of the operation if we know the gain of the op-amp. Or it is easy to understand the behavior of the op-amp with frequency.
And the product of gain and frequency remains constant till the unity gain frequency for the op-amp, which is known as the gain bandwidth product of the op-amp.
Gain bandwidth product is very useful when op-amp is used in the closed loop configuration. Using this closed loop configuration, we can find the cut-off frequency of the op-amp using this gain-bandwidth product.
For any op-amp gain bandwidth product = Unity Gain Frequency.
The timestamps for the different topics covered in the video is given below:
0:33 Frequency Response of the Op-Amp
1:25 Role of Internal Compensation Capacitor in the Frequency Response of the Op-amp
2:58 Gain Bandwidth Product of Op-Amp
5:40 Gain Bandwidth Product of Non-Inverting and Inverting Op-Amp
This video will be helpful to all students in understanding the frequency response and the gain-bandwidth product of the op-amp.
The link to the related videos on the op-amp:
Introduction to Operational Amplifier:
https://www.youtube.com/watch?v=kiiA6WTCQn0
Inverting Op-Amp:
https://www.youtube.com/watch?v=AuZ00cQ0UrE
Non-Inverting Op-Amp:
https://www.youtube.com/watch?v=uyOfonR_rEw
Op-Amp Integrator
https://www.youtube.com/watch?v=OPvs7A554Rw
This video will be helpful to all students of science and engineering in understanding the working of op-amp differentiator.
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https://www.youtube.com/allaboutelectronics
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Music Credit:
http://www.bensound.com/

Views: 47374
ALL ABOUT ELECTRONICS

Op amp gain-BW product and slew rate limiting are defined, discussed and demonstrated on the bench. This discussion applies to the majority of general purpose op amps on the market - as most op amps are internally compensated with a single dominant pole. High speed op amps, unconditionally stable op amps, non-unity gain stable op amps, high power opamps, etc. may not follow these characteristics because they are often compensated differently in their design. An LM358N is used for the example circuit. Other popular op amps like the LM741, etc. will behave in a similar way. Sometimes the slew rate limit of a device will be the dominant factor in determining the bandwidth, and other times the gain-bandwidth product will determine the resulting frequency response. The video demonstrates why this happens. Notes from the video are here:
http://www.qsl.net/w/w2aew//youtube/opamp_GBWP_SlewRate.pdf

Views: 44448
w2aew

What is Gain bandwidth product of operational amplifiers, Transistor Amplifier Circuits, Electronic Devices & Circuits.
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Views: 772
SimplyInfo

Relationship between gain and bandwidth in op-amp circuits. Definition of unity gain frequency and gain-bandwidth product.

Views: 1931
Mateo Aboy

Let's make sense of Open Loop Gain, frequency response and gain-bandwidth product

Views: 948
Mary West

A simulation in Multisim using AC analysis + some background information on things like the decibel system, cut-off frequencies etc

Views: 4709
Paul Wesley Lewis

Op-Amp Limitations: AC Effect - Gain-Bandwidth Product. This tutorial explores the linear AC non-idealities of op-amps. Specifically, we look at finite bandwidth, and the concept of gain-bandwidth product.

Views: 1005
Mateo Aboy

Op-amp AC (frequency dependent) imperfections explained and derived: Gain Bandwidth Product (GBP, or unity gain frequency, or unity gain bandwidth) and open loop frequency dependent gain, op-amp slew rate, and full power bandwidth. Through derivation and example, the impact of GBP on an inverting and non-inverting op-amp circuit is demonstrated. The relationship between GBP, DC open loop gain, and open-loop pole frequency is shown. Additionally, the relationship of GBP, closed loop DC gain, and closed loop bandwidth is explained and demonstrated.

Views: 6431
Joel Gegner

Examples of gain-bandwidth calculations for non-inverting and inverting amplifiers.

Views: 633
Mateo Aboy

Analog Circuits by Prof. A.N. Chandorkar,Department of Electronics & Communication Engineering,IIT Bombay.For more details on NPTEL visit http://nptel.ac.in

Views: 8602
nptelhrd

Eivy Arroyo Diaz and Chris Walker

Views: 46
Eivy Arroyo Diaz

In this video following Op-Amp parameters have been discussed:
Input Offset Voltage, Input Offset Current, Input Bias Current, Differential Input Resistance, Common Mode Rejection Ratio, Supply Voltage Rejection Ratio, Slew Rate and Gain-Bandwidth Product
For complete B.Tech. course on 'Linear Integrated Circuits' visit at
http://DrSatvir.in/youTubeVid.php

Views: 81
Dr Satvir Singh

gain–bandwidth product for an amplifier is the product of the amplifier's bandwidth and the gain at which the bandwidth is measured.
Operational amplifiers that are designed to have a simple one-pole frequency response, the gain–bandwidth product is nearly independent of the gain at which it is measured; in such devices the gain–bandwidth product will also be equal to the unity-gain bandwidth of the amplifier.
For an amplifier in which negative feedback reduces the gain to below the open-loop gain, the gain–bandwidth product of the closed-loop amplifier will be approximately equal to that of the open-loop amplifier.

Views: 843
Electronics Physics and Spirituality

ANALOG ELECTRONICS-
Multistage amplifier - CASCADE amplifier explained.
Concepts like gain and bandwidth are very important for GATE exams.
Frequency curve explained about lower cutoff frequency and higher cutoff frequency.
..............................................................
GATE lectures on SIGNAL AND SYSTEM - by Shrenik Jain
https://www.youtube.com/playlist?list=PLfP-D1tg0DI1qBFREKxhFbBR8veKrYj60
DIGITAL LOGIC DESIGN - by Shrenik Jain
https://www.youtube.com/playlist?list=PLfP-D1tg0DI0V04wTbaqUWvcvAE_B98Qj
DSP by Shrenik Jain
https://www.youtube.com/playlist?list=PLfP-D1tg0DI1VEDhEOVNHrTs_pzt684ou
signal and system by SHRENIK JAIN
https://www.youtube.com/playlist?list=PLfP-D1tg0DI2Fpj_oV4VvLax4JJVL_kW2
DBMS by Shrenik Jain
https://www.youtube.com/playlist?list=PLfP-D1tg0DI0D1MSTRXFr1X6bb_ZI0E7W
ANALOG ELECTRONICS by Shrenik Jain
https://www.youtube.com/playlist?list=PLfP-D1tg0DI3HaJdHpBu7XX-m9c6mANZk
OPERATING SYSTEM -by SHRENIK JAIN
https://www.youtube.com/playlist?list=PLfP-D1tg0DI1U3Xe4ynk6ocVQl2qKoDoB
CONTROL SYSTEM - by Shrenik Jain
https://www.youtube.com/playlist?list=PLfP-D1tg0DI1Cwku-ZLD-ofrsLHd5dHQy
Engineering Maths
https://www.youtube.com/playlist?list=PLfP-D1tg0DI0Kavkv81ZvQI8g7VSiVIm_
VLSI - by Shrenik Jain
https://www.youtube.com/playlist?list=PLfP-D1tg0DI2Sn1DVzGdIeGyuIUjhJ9zp
Limits and Continuity - by Siddhant Jain
https://www.youtube.com/playlist?list=PLfP-D1tg0DI3Ln9qhdNlIbRR1gAqrGXH0
INTEGRATED CIRCUIT (IC) by Shrenik Jain
https://www.youtube.com/playlist?list=PLfP-D1tg0DI1yEx1fdhqA8jR5WtCJvQN5
IMAGE PROCESSING - by Shrenik Jain
https://www.youtube.com/playlist?list=PLfP-D1tg0DI2F_PAG8Z6WxZgqBK0jG_-D
PROBABILITY by Shrenik Jain
https://www.youtube.com/playlist?list=PLfP-D1tg0DI2KD99RmEobWaLiG4bZPNPN
..............................................................
ANY DOUBT ? ASK ON FB page .
facebook link : https://www.facebook.com/studysimplified/
quora link : https://www.quora.com/profile/Shrenik-Jain-51

Views: 8911
Shrenik Jain

Fundamentals Friday.
Dave explains Gain Bandwith Product and how it's possible to increase your system bandwidth by cascading opamps in series. Also, a discussion on the associated noise issues.
A breadboard example shows how variable GBWP can be, and how it can relate to distortion.
Opamp Noise Tutorial: http://www.youtube.com/watch?v=Y0jkPLuFdnM
Forum: http://www.eevblog.com/forum/blog/eevblog-572-cascading-opamps-for-increased-bandwidth/
EEVblog Main Web Site:
http://www.eevblog.com
EEVblog Amazon Store:
http://astore.amazon.com/eevblogstore-20
Donations:
http://www.eevblog.com/donations/
Projects:
http://www.eevblog.com/projects/
Electronics Info Wiki:
http://www.eevblog.com/wiki/

Views: 75894
EEVblog

0:00 opamps
4:00 input offset voltage
9:00 gain bandwidth product
13:00 computing the opamp gain
24:30 opamp data sheet
32.25 basic differential amplifier
44:45 improved differential amplifier

Views: 4694
Bruce Land

The (http://www.linear.com/product/LTC6268) LTC6268 is a new op amp with a unique combination of bandwidth, input and output characteristics. It has a gain bandwidth of 500MHz with a typical input bias current of only 3 femptoamps. The input capacitance is 0.45pF and the output can drive a 200Ω load. This combination of features can bring new levels of performance to traditional applications as well as enable new application possibilities. It is available as a single or dual (http://www.linear.com/product/LTC6269) (LTC6269) configuration. It is also available in a decompensated version (http://www.linear.com/product/LTC6268-10) (LTC6268-10) specifically for transimpedance applications.

Views: 921
LinearTechnology

Playlist (with all related videos): https://www.youtube.com/playlist?list=PLhy2nHJciTED7xA_u5OyUj7oDEFf3BuZY
Operational amplifiers have a number of non-ideal properties, which can influence the circuit’s performance. In this video, we discuss the offset voltage, bias and offset currents, slew rate, and gain-bandwidth-product. Each of these have a different impact on our circuit. But if we are able to analyse their impact, we can either pick suitable operational amplifiers or implement counter-measures.
Tutor: Patrick Schrey
Chapters:
0:00 Intro
0:58 Data Sheets
1:21 Offset Voltage
4:30 Bias and Offset Currents
8:00 Slew Rate
9:50 Gain-Bandwidth-Product
12:12 Conclusion
Additional Links:
- Institute of Electronics / TU Graz:
https://ife.tugraz.at
https://www.tugraz.at
- Like us on Facebook:
https://www.facebook.com/ife.tugraz.at
Production: TU Graz – Educational Technology

Views: 212
iMooX at

This time around we look at the relationship between amplification and bandwidth, the amount of input and output impedance in inverting and non-inverting configurations, the special case of the voltage follower (buffer), and the phase relationship between input and output. The bandwidth and gain relationship are explored in bench test.

Views: 2056
The Offset Volt

In this video, different examples on op-amp (operational amplifier) have been solved.
The examples which are covered in the video are the examples which have been asked in the competitive exam like GATE.
The timestamps for the different examples covered in the video.
0:31 Example 1
4:06 Example 2
7:21 Example 3
9:01 Example 4
12:45 Example 5
The link to the related videos on the op-amp:
Introduction to Operational Amplifier:
https://www.youtube.com/watch?v=kiiA6WTCQn0
Inverting Op-Amp:
https://www.youtube.com/watch?v=AuZ00cQ0UrE
Non-Inverting Op-Amp:
https://www.youtube.com/watch?v=uyOfonR_rEw
Op-Amp Integrator
https://www.youtube.com/watch?v=OPvs7A554Rw
Op-Amp Gain Bandwidth Product:
https://www.youtube.com/watch?v=wfkzz1rg-xk
This video will be helpful to all student of science and engineering in understanding the different concepts of op-amp through solved examples.
Follow me on YouTube:
https://www.youtube.com/allaboutelectronics
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Music Credit:
http://www.bensound.com/

Views: 37429
ALL ABOUT ELECTRONICS

Dr.Shanthi Pavan obtained the B.Tech degree in Electronics and Communication Engg from the Indian Institute of Technology, Madras in 1995 and the M.S and Sc.D degrees from Columbia University, New York in 1997 and 1999 respectively. From 1997 to 2000, he was with Texas Instruments in Warren, New Jersey, where he worked on high speed analog filters and data converters. From 2000 to June 2002, he worked on microwave ICs for data communication at Bigbear Networks in Sunnyvale, California. Since July 2002, he has been with the Indian Institute of Technology-Madras, where he is now a Professor of Electrical Engineering. His research interests are in the areas of high speed analog circuit design and signal processing.
Dr.Pavan is the recipient of the IEEE Circuits and Systems Society Darlington Best Paper Award (2009), the Swarnajayanthi Fellowship (2010, from the Government of India) , the Young Faculty Recognition Award from IIT Madras (2009, for excellence in teaching) , the Technomentor Award from the India Semiconductor Association (2010) and the Young Engineer Award from the Indian National Academy of Engineering (2006). He is an Associate Editor of the IEEE Transactions on Circuits and Systems: Part I - Regular Papers, and earlier served on the editorial board of the IEEE Transactions on Circuits and Systems Part II - Express Briefs from 2006-2007.

Views: 5001
Satish Kashyap

The 300-MHz gain bandwidth product, OPA838 voltage feedback amp is well-suited for use as a low-power 12 to 14-bit SAR ADC driver or transimpedance amp.
http://www.ti.com/product/OPA838/description

Views: 490
Texas Instruments

Views: 71
Gavin Olson

Accidentally bumped the circuit towards the end.

Views: 243
Matthew Borba

Views: 269
Nicholas Chan

Views: 33
mywebbers1

In this lecture i tried to explain about what is bandwidth and how to design a amplifier for a given bandwidth

Views: 9260
Learning Is Everything

Non-Ideal Operation Amplifiers' Characteristics Project for Singapore Polytechnic under Aircraft Servomechanisms and Electronics module.

Views: 201
Abdul Haleem

Advanced Digital Signal Processing-Wavelets and multirate by Prof.v.M.Gadre,Department of Electrical Engineering,IIT Bombay. For more details on NPTEL visit http://nptel.iitm.ac.in

Views: 1460
nptelhrd

In this video, the slew rate of an Op-Amp has been explained with solved examples.
What is Slew Rate:
It defines the maximum rate at which the output of the op-amp can change. (How fast the op-amp is able to respond)
Unit of Slew Rate: V/us
Different Op-Amp has different slew rate and the value of slew rate varies from 0.1 V/us to 1000 V/us.
So, depending on the application the op-amp with specific slew rate needs to be selected which prevents the distortion of the output signal.
Causes of Slew Rate in Op-Amp:
The internal compensation capacitor in the Op-Amp is the main cause of slew rate in every Op-Amp.
The value of Slew rate depends on the value of this internal compensation capacitor and the charging or driving current.
Power Bandwidth of the Op-Amp:
The maximum frequency (for large signals) up to which there will not be any distortion in the output is known as the Power bandwidth of an op-amp.
This power bandwidth of the op-amp (slew rate limited maximum frequency ) is defined for the large signal (in volts), while the unity gain-bandwidth product is defined for the small signals (in mV).
If the input frequency is more than this maximum frequency, then the output signal will start getting distorted. And this kind of distortion in output is known as the slew rate induced distortion.
The timestamps for the different topics covered in the video is given below:
0:19 What is Slew Rate of an Op-Amp?
2:31 Causes of Slew Rate in Op-Amp
4:12 Effect of Slew Rate on Pulse input
7:46 Effect of Slew Rate on Sinusoidal Signal
10:21 Example 1
11:30 Example 2
The link to the related videos on the op-amp:
Introduction to Operational Amplifier:
https://www.youtube.com/watch?v=kiiA6WTCQn0
Inverting Op-Amp:
https://www.youtube.com/watch?v=AuZ00cQ0UrE
Non-Inverting Op-Amp:
https://www.youtube.com/watch?v=uyOfonR_rEw
Op-Amp Integrator
https://www.youtube.com/watch?v=OPvs7A554Rw
Op-Amp Gain Bandwidth Product:
https://www.youtube.com/watch?v=wfkzz1rg-xk
This video will be helpful to all student of science and engineering in understanding the slew rate of the op-amp.
Follow me on YouTube:
https://www.youtube.com/allaboutelectronics
Follow me on Facebook:
https://www.facebook.com/ALLABOUTELECRONICS/
Follow me on Instagram:
https://www.instagram.com/all_about.electronics/
Music Credit:
http://www.bensound.com/

Views: 46572
ALL ABOUT ELECTRONICS

Video Lecture Series by IIT Professors ( Not Available in NPTEL)
VLSI Data Conversion Circuits
By Prof. Nagendra Krishnapura and Prof.Shanthi Pavan
For more video Lectures .... www.satishkashyap.com
For free ebooks ...... www.ebook29.blogspot.com Lecture 1 - Course overview and introduction. Lecture 2 - Sampling, Spectral properties of sampled signals, Oversampling and its implications on anti-alias filter design. Lecture 3 - Time Interleaved Sampling, Analysis of a Ping-Pong Sampling system. Lecture 4 - Ping-pong Sample and Holds continued, Analysis of Offset and Gain Errors in Time-Interleaved Sample and Holds. Lecture 5 - Sampling Circuits (NMOS, PMOS and CMOS Switches), Distortion due to the Sampling Switch. Lecture 6 - Thermal Noise in Sample and Holds, Charge Injection in a Sampling Switch. Lecture 7 - Bottom Plate Sampling, The Gate Bootstrapped Switch. Lecture 8 - The Gate Bootstrapped Switch (continued), the Nakagome Charge-Pump. Lecture 9 - Characterizing a Sample-and-Hold, Correct choice of input frequency, Discrete Fourier Series Refresher. Lecture 10 - FFT Leakage and the Rectangular Window. Lecture 11 - FFT Leakage (contd), Spectral Windows, the Hann Window Lecture 12 - Spectral Windows (contd), the Blackman Window, Introduction to Switch Capacitor Amplifiers Lecture 13 - Switch Capacitor Circuits, Parasitic Insensitive SC Amplifiers Lecture 14 - Nonidealities in SC Amplifiers - Finite Opamp Gain and DC Offset., Lecture 14 - Part 2 - Finite Opamp Gain-Bandwidth Product. Lecture 15 - Introduction to Fully Differential Operation. Lecture 16 - Fully-differential operation (contd), motivation for common-mode feedback. Lecture 17 - Fully Differential SC-circuits, the "Flip-Around" Sample and Hold, DC Negative Feedback in SC Circuits. Lecture 18 - ADC Terminology, Offset and Gain Error, Differential Nonlinearity (DNL). Lecture 19 -Integral Nonlinearity (INL), Dynamic Characterization of ADCs, SQNR, Quantization Noise Spectrum. Lecture 20 - Quantization Noise Spectrum (contd), SFDR, Flash A/D Converter Basics. Lecture 21 - Flash A/D Converter Basics, the Regenerative Latch. Lecture 22 - The Regenerative Latch (contd). Lecture 23 - Motivation to use a Preamp, Preamp Offset Correction (Autozeroing). Lecture 24 - Autozeroing a Differential Preamp, Subtracting References from the Input. Lecture 25 - Coupling Capacitor Considerations in an Autozeroed Preamp. Lecture 26 - Transistor Level Preamp Design. Lecture 27 - Necessity of an up-front sample and hold for good dynamic performance. Timing issues in a flash ADC. Lecture 28 - Bubble Correction Logic in a Flash ADC, Comparator Metastability, Case Study.(VERY POOR AUDIO QUALITY !) Lecture 29 - Flash ADC Case Study (Continued). Lecture 30 - D/A Converter Basics, INL/DNL, DAC Spectra and Pulse Shapes. Lecture 31 - NRZ vs RZ DACs, DAC Architectures. Lecture 32 - Binary Weighted versus Thermometer DACs. Lecture 33 - Binary vs Thermometer DACs (Contd), Current Steering DACs. Lecture 34 - Current Steering DACs (contd) . Lecture 35 - Current Cell Design in a Current Steering DAC. Lecture 36 - Current Cell Design (contd), Layout Considerations in Current Steering DACs. Lecture 37 - Oversampled Approaches to Data Convresion, Benefits of Oversampling. Lecture 38 - Oversampling with Noise Shaping, Signal and Noise Transfer Functions, First and Second Order Delta-Sigma Converters. Lecture 39 - Signal Dependent Stability of DSMs, the Describing Function Method. Lecture 40 - Stability in DSMs (continued). Lecture 41 - Maximum Stable Amplitude of DSMs and Relation to Out of Band Gain, Systematic NTF Design. Lecture 42 - Systematic NTF Design (contd), the Bode Sensitivity Integral and its Implications on NTF Design. Lecture 43 - Estimating the Maximum Stable Amplitude from simulation, Computation of in-band SNR, Windowing revisited. Lecture 44 - Introduction to Continuous-time Delta Sigma Modulators (CTDSM). Lecture 45 - CTDSM basics (contd), time-scaling of CTDSMs. Lecture 46 - The inherent anti-aliasing property of CTDSMs. Lecture 47 - Excess Loop Delay in CTDSMs. Lecture 48 - Time-constant changes in CTDSMs, Influence of opamp nonidealities. Lecture 49 - Effect of opamp nonidealities (contd) - finite gain bandwidth, Effect of ADC and DAC nonidealities. Lecture 50 - Effect of DAC element mismatch (contd), Dynamic Element Matching (Randomization). Lecture 51 - Dynamic Element Matching by Data Weighted Averaging. Lecture 52 - Effect of Clock jitter in CTDSMs. Lecture 53 - Finding Loopfilter Coefficients in Higher Order CTDSMs. Lecture 54 - Dynamic Range Scaling of the Loop Filter.

Views: 1857
Satish Kashyap

Visit http://ilectureonline.com for more math and science lectures!
In this video I will calculate the voltages of an open-loop gain vs a closed-loop gain.
Next video in this series can be seen at:
https://youtu.be/Gmy1ciTiEbs

Views: 35618
Michel van Biezen

Non-Ideal Operation Amplifiers' Characteristics Project for Singapore Polytechnic under Aircraft Servomechanisms and Electronics module.

Views: 61
Abdul Haleem

LTSpice: AC Analysis, Finite Bandwith , Low-Pass Filters. This video shows a tutorial of LTSpice in Mac OS X. It covers how to conduct transient (time-domain) and AC (frequency-domain) analysis. It also illustrates the concepts of op-amp limitations (finite output current, finite bandwidth) and first order active-filters.

Views: 4548
Mateo Aboy

Views: 42
Josh Frisby

This video is about cadence simulation of single stage telescopic folded cascode amplifier. In this video, I have shown steps to simulate and measurement of DC gain, phase margin and gain bandwidth product. For more info and detailed steps visit http://www.easyvlsi.com/design-simulation-of-an-apmlifier/

Views: 14633
Virbhadra Rathod

as the amount of negative feedback increases, gain decreases, bandwidth increases and input impedance increases for voltage amplifier and trans conductance amplifiers

Views: 3270
GATE paper

Views: 219
Kurt Schluchter

Internal compensation or frequency compensation of operational amplifiers give low pass filter or single time constant characteristic to open loop frequency response of Operational Amplifiers

Views: 1270
Lee Brinton

Analog Integrated Circuit Design, Professor Ali Hajimiri
California Institute of Technology (Caltech)
http://chic.caltech.edu/hajimiri/
© Copyright, Ali Hajimiri

Views: 2329
Ali Hajimiri