Amplitude Modulation (Definition, Basics, Derivation, Frequency Response & Waveforms) Explained
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- Опубліковано 7 лют 2025
- Amplitude Modulation is explained by the following outlines:
1. Amplitude Modulation
2. Definition of Amplitude Modulation
3. Basics Amplitude Modulation
4. Derivation of Amplitude Modulation
5. Frequency response of Amplitude Modulation
6. Calculation of Amplitude Modulation
7. Waveforms of Amplitude Modulation
Chapter-wise detailed Syllabus of the Analog Communication Course is as follows:
Chapter-1 Introduction to Analog Communication system: • Introduction to Analog...
Communication System block diagram, Classification of Communication system, Advantages of Frequency domain analysis over time domain analysis, Necessity of Modulation, Baseband signals and Passband signals, Classification of modulation techniques.
Chapter-2 Amplitude Modulation: • Amplitude Modulation, ...
Amplitude Modulation, Parameters of Amplitude Modulation, AM Modulator, AM Demodulator, AM Examples, Multitone Amplitude Modulation, DSBSC - Double Side Band Suppressed carrier, DSBSC Modulator, DSBSC Demodulator, Examples on DSBSC, SSBSC - Single Side Band Suppressed Carrier, SSBSC Modulator, SSBSC Demodulator, Examples on SSBSC, VSB - Vestigial Sideband, VSB Modulator, VSB Demodulation, VSB Filter Design, Comparison of DSBFC, DSBSC, SSBSC, and VSB.
Chapter-3 Angle Modulation: • Angle Modulation, Freq...
Basics of Angle Modulation, Frequency Modulation, Phase Modulation, Frequency deviation & Modulation Index in FM, Spectral components of Angle Modulation, Bandwidth requirements in angle modulation, Average Power requirement for angle modulation, NBFM - Narrow Band Frequency Modulation, FM Generation, FM Demodulation, Examples on Angle modulation, Examples on Frequency modulation, Examples on phase modulation, Phase Lock Loop.
Chapter-4 Noise: • Noise in Analog commun...
Sources of noise in communication systems, Classifications of Noise in communication systems, SNR - Signal to Noise Ratio, Noise Figure, Noise Temperature in communication system, Equivalent Noise figure and noise temperature, Examples of thermal noise, Examples of SNR & Noise Figure & Noise Temperature.
Chapter-5 Receiver: • Receiver in Analog Com...
Parameters of Receiver, Tuned Radio frequency receiver, Super Heterodyne receiver, Parameters of superheterodyne receiver, Selection of local oscillator frequency, Comparison of AM receiver and FM receiver, Examples on superheterodyne receiver.
Chapter-6 SNR of Analog Modulation: • SNR of Analog Modulati...
SNR of Baseband system, SNR of AM system, SNR of DSBSC system, SNR of SSBSC system.
Engineering Funda channel is all about Engineering, Technology, and Science. This video is a part of Analog Communication and Communication Engineering.
#AmplitudeModulation #AnalogCommunication #CommunicationEngineering @EngineeringFunda
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@@EngineeringFunda Sure Sir and Thank you so much
Me also bro
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Are bhaiya ek baata do aap am modulation m power or time nhiii nikalna unka relation
Kya Bhai job mili? 4 saal ho gaye comment kiye.
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Sir, I have doubt. Why is the bandwidth increased a drawback?
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Thankyou Sir 🙂 .
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Tq u so much for this vedio sir .....very useful and helpful..... 🥰
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Very Nice Explanation with Good Reasons for every question….Thank You Sir
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Thank you sir , your lecture is really helpful.
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thank u so much sir, u explain quite well
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00:02 Explanation of Amplitude Modulation
02:29 Amplitude modulation involves changing the amplitude of the carrier signal with respect to a modulating signal.
04:39 Amplitude Modulation involves changing carrier signal amplitude with message signal.
06:52 Amplitude modulation is represented by the equation AC(1 + mu*sin(OmegaMT)*sin(OmegaCT)).
09:58 Amplitude modulated signal has three frequency components.
12:40 Amplitude modulation involves carrier signal, side bands, and waste of power.
14:52 AM has drawbacks like higher bandwidth and power requirement
16:42 Amplitude modulation involves sending carrier signal and sideband signals.
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Wish you will grow to best of your capabilities.
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This is in MSc also?
The best way of learning than anyone else
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GOOD AND SUFFICIENT EXPLANATION SIR
Teaching is a art n u proved it.. It's not only about having knowledge but u should be able to teach others. 🙏🙏🔥
Thanks and welcome
Clear and concise!!
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THANKS A LOT 🎉
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Best explanation 👍🏼
Thanks Sir
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Explained very well. 👏🏼👏🏼👏🏼👏🏼👏🏼👏🏼👌🏼💯
Glad it was helpful!
Thanks for the video!
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Amazing explanation
Your positive comments motivates me.
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Thank you alot ❤
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Your positive comments motivates me, Thanks and welcome 🙏
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Your positive comments motivates me, Thanks and welcome 🙏
very very good lecture. thank you
Your positive comments motivates me.
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Love from you guys means a lot to me.
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I will
@@EngineeringFunda yes I shared the video. You are an awesome teacher
Quite helpful, keep uploading such lucid videos and stay blessed
Love and happiness of students is my ultimate goal, God bless you 🙏, keep learning and keep progressing.
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Your positive comments motivates me.
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Superb explanation sir 😍
Your positive comments motivates me.
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So Helpful. .....Thanks a lot 😊
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wonderful teaching
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Very spr teaching.. I m class 12
Your welcome dear
13:44
You represent the y(t) in three discrete cosine wave. By fouier transform it transfers to delta function with amp= pi*mu*Ac/2 , rather than just mu*Ac/2?
and also there are -Wc-Wm, -Wc, -Wc+Wm in negative side rather just positive side ?
By the way thanks for lecture you are 200% better than my lecturer in my university.
😍thank u sir .u explained it very simply
Thanks and welcome
Great lecture sir
Your positive comments motivates me.
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Sir it aswm best teaching
Love and happiness of students is my ultimate goal, God bless you 🙏, keep learning and keep progressing.
Thanks Sirji
Your positive comments motivates me.
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Thankyou sir ❤️
Your positive comments motivates me.
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Thank you so much for this video :) !
This is great! Learned the concept better than in lecture. I just wish you derive dthe Frequency Domain representation using the Fourier Transformation. Other than that, super helpful!
Your welcome 🙏
Thanks Bro Keep up the good work
Tqew sir best explanation
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Your class is soo good. I need linear control system
I have made complete control engineering
@@EngineeringFunda ok thank-you that will save me.
Sir, here upper side band amplitude is " -Ac/2",,, in frequency response plot at 13:29
You saved my exam🥹🤝
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great teacher 🔥
All the subjects playlist of Engineering Funda is available in comment section. Share it with your friends to support us.
Your positive comments motivates me and person like me get boosted by my students feedback. Thanks and welcome 🙏
thank you soo much !!!
Your positive comments motivates me.
Teachers like me just wants positive comment from student.
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Thanks alot sir
Your positive comments motivates me.
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😯Awesome
Your positive comments motivates me.
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thank u for your efforts
one thing you can highlight is that the Carrier wave is sampling the signal m(t) so AM is by its very natue lossy/interpolated-between the peaks of the carrier
Thanks
@@EngineeringFunda really like your videos - I feel like crying now because I wish I had you as my teacher in school/college. I love electronics and did not understand many things and you are a very good teacher
You did really well.but please arrange all the videos serially.
Great video ❤️
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you are just great!!!
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Thanks
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sir the signal to be transmitted in comms is known as modulating signal or carrier signal ?
And thank u sir for this boom playlist 🔥
Transmitted signal is Modulated Signal
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Sketch the specturm of modulating signal m (+) given by a.m (+)= cos 2pi ×3×10^3t+ cos 8pi ×10^3t
B.cos2pi×10^3t x cos2pi ×4×10^3t
Plot the two sided amplitude spectrum in both cases
it's looks cumbersome if you look those components in sinusoids. Better convert cos components into exponentials
using Euler's theorem and then use time shifting property of fourier transform to convert those into frequency domain
Then you can have frequency response in 3 steps
Harsh gupta wow you really know your stuff can you please help me with some questions please about RF
Thank You very Much
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Nice explanation
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👍
amazing
Thanks for watching! I hope you found it helpful.
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But the teaching style is osm👌
thank you sir..good teacher
Great explanation, thank you
Glad it was helpful!
very helpful. thank you Prof.
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Thanks 😊
Love and happiness of students is my ultimate goal, God bless you 🙏, keep learning and keep progressing.
Superb sir....
Love and happiness of students is my ultimate goal, God bless you 🙏, keep learning and keep progressing.
thankyou for making me understand this !
Hi sir ! i really admire your work, what you are doing is great !!
i would like to suggest you that, it will be better for us(student) if you stop tempering with the standard term...
for example here you have taken sinwct as a carrier signal though the standard books consider coswct as the carrier signal, i suppose that, to add your touch you have consider sinwct as carrier signal, so far nothing wrong. Thinks goes wrong when you add up with the standard notation, and yes you did add up here and hence commiting a mistake here at 13:30 you are plotting the ampiltude plot over but what i feel is its a Magnitude plot, i hope you definately know the difference between Ampiltude and Magnitude but still i would like to take the honours to recall the difference between amplitude and magnitude. Amplitude can be Greater, Lessor or Equal to Zero and Magnitude is always Greater or Equal To Zero that means it is always positive (expext exactly equal to zero). Here in the amplitude plot at 13:30 you have plotted (wc+wc) amplitude as positive but clearly in the equation it has a negative sign hence the strength of the signal should be Negative. But that is what we don't see in this video lecture, Sir there are 150,114 views on this video but i wander how many of us have catch this crucial point here in this video.
similary i have also seen some of your add up touches in standard signal in EMF in cordinate system and in the next lecture of in going playlist, you have mentioned MODULATING INDEX again and again, If you google Modulating Index what you will know is its MODULATION INDEX not Modulating Index.
please sir i humbly request you to use the standard notation and definition as they are..........................................
1. You can take sine or cosine as carrier signal.
2. In plot of Amplitude vs frequency, you can never plot negative Amplitude, I don't know what you talk about differences in between Amplitude and magnitude.
3. Modulation index and Modulating index are same, it could be easily understood. But as you said we should mention it like Modulation index.
@@EngineeringFunda amplitude vs frequency as in the video you have plotted you did'nt mentioned that in amplitude and frequency plot we only consider the the magnitude value of the amplitude.
And Sir, as you are telling "Amplitude vs frequency, you can never plot negative Amplitude" . Sir what i know is that one can definately plot Negative amplitude in amplitude vs frequency plot, what you just have to do is to take the Amplitude in dBm by doing that, we can plot the negative amplitude as well.....
we should mention it like Modulation index.
yes sir we should mention it as Modulation index. Because if we go by the deep meaning of the word they are found to be different.
In dB if it is Negative means it is less then 1, it doesn't mean it is negative, it means it is in between 0 to 1.
You can see, I have mentioned that it is a plot of Amplitude vs frequency
Thanks Sir!
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Sir please upload a video of "amplitude modulation generation using amplifier circuits".
Asif Ahmad sir please can you help me with some questions? About radio frequency’s
Thank you
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Thanku Sir 🙏
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Thanks you sir.
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Very useful explanation (y)
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Thank you so much sir
Sir, here upper side band amplitude is " -Ac/2",,, in frequency response plot.
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In 6:33 ,why it is only Ac ,but not AcsinWct ,like that of m(t)
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