Switching Modulator (Basics, Working, Derivation, Block Diagram & Circuit) Explained | AM Generator

Switching Modulator - AM Generator (AM Modulation) is explained by the following outlines:
1. Switching Modulator, AM Generator
2. Basics Switching Modulator, AM Generator
3. Derivation of Switching Modulator, AM Generator
4. Working of Switching Modulator, AM Generator
5. Block Diagram of Switching Modulator, AM Generator
6. Circuit of Switching Modulator, AM Generator
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.
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Sir thank you so much ur lecturing helped a lot....and u really made this chapter easier to understand

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Your welcome dear

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Hey

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[@shivaa9901]

15:16 4/πAc is not modulating index, it is amplitude sensitive i.e. Ka that is Ka = 1/Ac 👍🏻

[@shivjyotigarai2141]

Yes. Had a lot of confusion about this .

[@durgaprasaddurgaprasad4920]

Correct

[@AbhishekKumar-yv7ty]

admirable teaching quality.

[@RishwithaDharavath]

Your explanation is very straight and understandable sir.

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Amazing explanation 👏 sir... it was so clear ..thank you

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Thanku so much sir your explanation is very clearly 🙏

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Sir please share the practical applications of all the modulators. Thank for so much amazing content.

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Sir...plz de-monitize ads in between video..!its quite annoying...by the way,awesome teaching...thank u soo much..

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Thanks alot sir

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[@harshan7885]

Good quality teaching

[@srialekhya7248]

Sir but the waveform is a half wave symmetry so we shouldn't consider the dc value right??? Plz respond me fastly

[@EngineeringFunda]

Yeah, you don't deal with DC components

[@srialekhya7248]

@@EngineeringFunda then why u consider the dc value (1/2) in Gp(t)???

[@janithavidunath]

@@srialekhya7248 the periodic pulse train is an even signal. So there can be a constant value(ao/2 in fourier series).

[@ruman2200]

Superb sir. ....

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الف رحمة على والديك

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Nice informatiin

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may allah bless you

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tq sir

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Thank you sir ji

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Nice sir

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well explained..

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thank you sir

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sir please make some videos on analog electronics

[@chandanavaddi4325]

Tq for ur response

[@adityarathi3420]

Thanks Sir :-)

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[@adityarathi3420]

@@EngineeringFunda Sure sir ! 😊

[@shivnandankumar3294]

Sir please explain advantage and disadvange of square law modulator

[@panavsethi3014]

is 4/pi*Ac modulation index or amplitude sensitivity?

[@shivaa9901]

Amplitude sensitive

[@ozonewagle]

sir I don't understand how the periodic variation is a pulse train. wouldn't it be a half wave rectified signal?

[@ankurmazumder5590]

What if c(t) and m(t) were connected parallelly? What would V1(t) be?

[@gudimetlakowshik3617]

Then, as amplitude of carrier signal is far more higher than the message signal the V1(t) = Vc(t). Simple as that..!!

[@smek1913]

Sir good evening.... Why green colour mentioned term is unuseful ....

[@pegasusdiaries-journeyofab2378]

Is is Fourier series or ft??? Gp(t) not clear at all

[@motjones2341]

It is not clear because he does not understand the physical reason the sidebands are generated, so like all professor just rely on some math to explain the result, but not understanding the how and why it happens. sorry, all professor do not understand this on all Indian videos and all others on internet too.

[@devibaby6004]

Sir...how u are saying periodic signal...message signal is non periodic only

[@prapti.borthakur]

Sir can we write gp(t) directly without showing the Fourier transform steps?

[@justadreamerforgood69]

It's Fourier series not Fourier transform

[@saiprakashputrevu7512]

How the odd harmonics in gp(t) all get eleminated without passing through any filter...

[@bhootbangla5404]

Saiprakash Putrevu yes..Same question from my side too..

[@mayanknarang6788]

Oho Yeh BPF se pas krne ke bad hi eliminate honge bola to sir NE

[@justadreamerforgood69]

Do the Fourier series of the wave and you'll see the odd harmonics are eliminated. It's related to something of half wave symmetry or quarter wave symmetry. I can't remember rn but if I solve it I'll remember

[@AsfiaMirza]

Why do we always pass through BPF and not any other filter? Even in case of Square Law Modulator, BPF is used.

[@janithavidunath]

Because we have to avoid law frequency components which are use less. If we use law pass filter then there will be a DC component

[@tanusingh6414]

It is enough for college exam 23 Aug it is sufficient exam

[@EngineeringFunda]

Yes

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Best wishes 🙏

[@anilnaik97]

Sir how u got gp(t)?

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[@omnarayantiwari3076]

Sir railway is conducting exam for junior engineer.

[@tharanianand6183]

Sir its not audiable... please take in high volume.

[@bhootbangla5404]

Can anyone pls explain me how gp(t) came in this output signal representation..?

[@pranavc4397]

Hello Goku ;P gp(t) is a way of representing the output signal. It doesn't exist in the circuit. We know that due to diode negative peaks of the input signal are vanished at the output section. If the time period of input signal is T, then on period of positive peak will be T/2 i.e time period of positive peak. So output will have postive peaks at every T/2 spacing. To be more clear just draw the sine signal and shade the positive peaks and erase negative peaks then you can clearly see positive peaks of period T/2. This is the output signal, now to represent the entire signal it requires complex math terms. To make it simple we can view the output signal as on period multiplied by original signal. This on period is gp(t), and that's the reason it has the width of T/2

[@venkateshmandavilli2074]

Sir how are you saying that the diode will on without mentioning voltages at anode and cathode ?

[@mayanknarang6788]

Anode pe to c(t) + m(t) hoga but cathode pe Kya hoga vo Carrier ke nature pe depend krega

[@vikingak4799]

Sir can you help me with this? Design and implement a switching modulator in MATLAB for Modulating a composite audio tone signal to the medium wave (MW) AM band which is used for radio broadcasting. The information signal is supposed to be a dual tone having two sinusoids X+1 kHz and Y+2 kHz, where X and Y are the first and second digit of your Roll no. respectively use the other best suited parameters of your choice for the camer frequency, filter types and their bandwidth. Analyze the time signals and their spectra at different stages of the implementation.

[@husainmurabbi1606]

can anyone tell me how does modulation index comes out to be 4/pi*Ac?

[@shivaa9901]

It is amplitude sensitivity.

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Poor sound quality

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