Lecture - 35 Oscillatiors

  Рет қаралды 133,030

nptelhrd

nptelhrd

Күн бұрын

Пікірлер: 48
@karishmavashishtha9891
@karishmavashishtha9891 9 жыл бұрын
with the deteriorating quality of education in India, Nptel is a saviour....extremely helpful. Thank you proffesor Natrajan. :-) all lectures are awesome .
@Aemilindore
@Aemilindore 5 жыл бұрын
Thank you professor. Your videos helped me graduate from a little known(rather in top 3000) university with a first class in EE. Now I work at the worlds top 11th university. You have blessed the world with your videos. Thanks India!
@Aemilindore
@Aemilindore 5 жыл бұрын
I am still watching your videos, just to learn how I now teach these topics as a TA to new undergraduates.
@edwardkumarkenway1875
@edwardkumarkenway1875 4 жыл бұрын
@@Aemilindore You can learn about more courses by visiting their official website which is absolutely free f cost.
@Aemilindore
@Aemilindore 4 жыл бұрын
@@edwardkumarkenway1875 yep. I found it sometime back. THe thing that happens when you graduate & start working is that you dont have enough time to follow those. I was a boy when I found these videos. Now i'm married :-P
@edwardkumarkenway1875
@edwardkumarkenway1875 4 жыл бұрын
@@Aemilindore Damn. May I know which institution you are employed at ?
@akankshabhardwaj9325
@akankshabhardwaj9325 7 жыл бұрын
only due to these nptel lectures..i can reflect my study to others😊thanxx alot
@santom13
@santom13 12 жыл бұрын
GREAT Explanation..!!! Detailed Explanations like these are missing in mostly all of the famous Electronic books by just mentioning the Barkhausen conditions in two lines, which leave us forever to have the idea that Oscillators are just confusing..
@thepeppertech
@thepeppertech Жыл бұрын
15 years back, his CRO was not able to measure frequency directly. :o He had to use function generator and find it by overlapping. i have gained respect for this little feature in my DSO now.
@roytan7962
@roytan7962 8 жыл бұрын
yes, oscillator is the most important part in the rf circuit. add in phase lock loop and varicap can form a "Voltage Control Cscillator" circuit
@bineetbisu
@bineetbisu 14 жыл бұрын
thanks a lot sir for such a good explanation of thing....
@jesusmic
@jesusmic 13 жыл бұрын
ManyThanks toProf Natarajan and IIT Madras
@brijeshvora9386
@brijeshvora9386 6 жыл бұрын
your video lectures are more helpful (because I can pause you whenever I want)than your class as I am sleeping in your class.
@KnowledgeAmplifier1
@KnowledgeAmplifier1 5 жыл бұрын
At least you are fortunate that you can attend these golden lectures 😊
@vvlalithagurujyothinandira858
@vvlalithagurujyothinandira858 9 жыл бұрын
thank u so much sir. your lectures are of great help.
@harshitsoni2022
@harshitsoni2022 8 жыл бұрын
If i am not wrong , in the twin t oscillator network , the feedback through the bridge should be into the non inverting terminal because the twin t circuit provides zero phase shift.
@vishnuZhere
@vishnuZhere 12 жыл бұрын
Thank you sir this helped me a lot in incresing my understanding abt oscillators!... thank u wish too be ur student!..
@Ashwiniashu1
@Ashwiniashu1 14 жыл бұрын
thank u sir, for ur wonderful lecture on oscillators
@kumarprasant7
@kumarprasant7 12 жыл бұрын
May GOD bless u sir..very good effort...thnx IIT madras and nptel
@AlberTesla1024
@AlberTesla1024 7 жыл бұрын
thank you so much for this great tutorial
@samalrai3980
@samalrai3980 11 жыл бұрын
thank u sir.......u are a real teacher.....
@farahuzma3920
@farahuzma3920 9 жыл бұрын
thank you so much.! thanx nptel
@Aadhyacedt
@Aadhyacedt 9 жыл бұрын
@ Rajendra Roul: You can't have any high gain amplifier in the open loop, should be in -ve feedback except comparator. Strictly speaking there is no small signal gain definition for open loop and +ve feedback systems.
@pratswagh2559
@pratswagh2559 8 жыл бұрын
Its the awsum lecture just should have provided notes in wich whole answer could be seen but hats off ...such big derivation taught damn easily....even i derived the same for BJT as well as FET the answer comes out to be same
@nirmalkumarsingh1092
@nirmalkumarsingh1092 6 жыл бұрын
Thank You Sir you are much better than my professor
@rajendraroul199
@rajendraroul199 11 жыл бұрын
here the feedback gain is infinite..so for even zero or no input signal(ac),there is also some finite output..but my question is that without applying any feedback,if the open loop gain will be infinite,then there should be some output signal(may not oscillating)..?????,but its not occurig..wh its so,,sir!!!!!!!
@rayhan8701
@rayhan8701 5 жыл бұрын
Please correct me if I am wrong Well I think that capacitors don't conduct for DC
@bambinodeskaralhes
@bambinodeskaralhes 8 жыл бұрын
I didn't understand the effect of making A*b greater than 1. As I can see, it seems the oscilation keeps stable even for A*b greater than 1. Is it true ? The wave don't saturate the amp op ???
@KnowledgeAmplifier1
@KnowledgeAmplifier1 6 жыл бұрын
Deep Questions for your doubt , you can refer this video kzbin.info/www/bejne/lZivqqSGeaeUnMU
@syedmuhammadmusab554
@syedmuhammadmusab554 8 жыл бұрын
for oscillator u said u need a positive feedback but in phase shift oscillator non inverting input is ground.so i am little bit confuse in it.. reply anyone!! thanks in advance :)
@soumiksen5811
@soumiksen5811 9 жыл бұрын
I think the equation Vo=R/(R+jXc) is wrong. Shouldn't it be Vo=R/(R-jXc)?
@DivyanshuPantluvuall
@DivyanshuPantluvuall 9 жыл бұрын
sir your v3 = v4 as both have same value of v2 + v2/jwcR this is really very confusing to me...... please help
@hayleslaseguesh7990
@hayleslaseguesh7990 7 жыл бұрын
it is not clear
@sumankumar-qu6qp
@sumankumar-qu6qp 7 жыл бұрын
you can use mesh analysis there to find the required result
@ronijun888
@ronijun888 13 жыл бұрын
great!!! it helped me a lot!!! Thank you very much!!!
@sureshmaruveni7854
@sureshmaruveni7854 9 жыл бұрын
super...lectures
@video-ll3dy
@video-ll3dy 6 жыл бұрын
how jw come from in voltage value if it is imaginary number
@ekowarsono3264
@ekowarsono3264 7 жыл бұрын
basically I would like under standing for wide electro engineering for the receiver , for the transmiter and the mo dification diagram circuitry.
@siddharthsvideo
@siddharthsvideo 13 жыл бұрын
nicely explained, i have request,plz add tutorial video on CHROMA CIRCUIT OF TELEVISION
@dhammikaperera4059
@dhammikaperera4059 7 жыл бұрын
Can anybody explain me the meaning of that theme song , Ohmmm ! My yoga instructor yeld something similar to this when she start the class.
@abhisekdimri5405
@abhisekdimri5405 7 жыл бұрын
this is bojan manta before to take food this song..is announces
@abhisekdimri5405
@abhisekdimri5405 7 жыл бұрын
Dhammika Perera ....
@prathimadesu6534
@prathimadesu6534 8 жыл бұрын
Great
@ekowarsono3264
@ekowarsono3264 7 жыл бұрын
saya sangat mendukung ada nya proses oscilasi secara gamblang dengan basic circuitry yg sangat jelas.saya nantikan basic kerja buffer driver ,modulator,rf power amplifier ,antena matching , sanding wave radio ,antena transmiter.saya tunggu ya.tks
@video-ll3dy
@video-ll3dy 6 жыл бұрын
how w and w3 was imaginary?
@elizabethmstudios8692
@elizabethmstudios8692 11 жыл бұрын
RC secute are nice :D
@rajjaiswal53
@rajjaiswal53 6 жыл бұрын
it would be more helpful, if the professor used pen and paper to explain, nevertheless, it was a good lecture.
@KnowledgeAmplifier1
@KnowledgeAmplifier1 6 жыл бұрын
Raj Jaiswal Yes
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