Travelling Wave Tube basics, working and applications (TWT) by Engineering Funda, Microwave Devices
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- Опубліковано 3 жов 2017
- In this video, i have explained Travelling wave tube with following topics:
1. Basics of Travelling Wave Tube
2. Operational parameters of Travelling Wave Tube
3. Structure of Travelling Wave Tube
4. Working of Travelling Wave Tube
5. Applications of Travelling Wave Tube
Engineering Funda channel is all about Engineering and Technology. Here this video is a part of Microwave Engineering.
#TravellingWaveTubebasics, #WorkingofTravellingWaveTube, #StructureofTravellingWaveTube, #ApplicationsofTravellingWaveTube, #MicrowaveEngineering - Наука та технологія
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I have worked with the TWT for 22 years , and built the cathodes which goes in the Electron gun for 14 years. The cathodes are impregnated with Barium & Strontium within a furnace at 1700 degrees. Then the Cathode is sputtered with Tungsten & Osmium. The cathode is brazed at 1980 degrees. The electrons are generated and omitted by the heater inside the cathode when powered . The electron beam is focused by the magnets on both sides. I worked in the UK.
can i get core ece job as a fresher
@@thedankboys8529 🤣
Uttarakhand ?
Series test 2
Well done✨️
Explained so nicely sir,thank u.
Really helpful video brother. Thanks a lot
You are amazing I use your video for my exam papers study and solve paper great😂😎
Hey, wanted to say you thanks. You are very good at explaining.
Awesome explanation sir
Excellent explaination!!
During positive half cycle when electron get accelerated, then how bunching will take place bcoz when the first electron get accelerated then it will move away from adjacent one so how bunch will form at the end. please make it clear..
thanx for your effort..
Very well explained...thanks...
Thanks for uploading :)
you r the best.....sir....
Your welcome
Easy to understand and started with basics and explained to the deep of the concept..Very useful !! Thank you for your efforts.😊
+joshna joe : your welcome
Good explanation, however, the bunching effect would be better explained using a reference electron out of the 3 electrons. Bunching is one of the most difficult concept to grasp in these tubes and oscillators.
thanks for explanation sir
Nice explanation
Very easy to understand
The use of Helix is not explained properly and also the movement of electrons in magnetic field is not explained properly ... Kindly add that in the explanation
Tnq sir
Very nice
Great job sir..
+shailesh patil : your welcome
Please upload video of slow wave structures
Keep it up
Every time you start getting things from the explanation...there's an advertisement to break the whole link...super irritated..we understand ads but these many...pls do something, sir. PLEASE!
get youtube premium, an ads free experience
Use youtube via PC or laptop and add youtube adblocker on chrome.i watch his all videos ad free
Thank you sir .
+Yukta Patel : your welcome and Backward wave oscillator is even added
This is a great presentation just a suggestion pls don't use a yellow marker
+Vedant Khare : I will take care next time. But I am not artist so even I am learning ;)
Backchodi karega 😡😡padhna h padho nahi to niklo😡
Helped a lot ❤️
Tonyram🤣🤣🤣tu bhi yahi se padha kya....🤣🤣🤣
Thank you so much
Sir can u explain about coupled cavity and Helix Twt in detail..
thank you very much
If a same magnetic field is applying to ever three electrons than how will one is getting accelerated and one is getting retrated
Magnetic Field is applied across helix to narrow the beam such that electron beam travel through the centre of helix where magnetic field is maximum such that interaction between electron beam and RF siganl increases
How we extract RF output from bunched electrons?
thx
I think there's a slight mistake as You mentioned that in +ve Half Cycle there will be Accelerating Force and in -ve Half Cycle there will be Resistive Force, but this point is contradicting the one you mentioned in your other video of Two Cavity Klystron Amplifier, also with the above point mentioned it is not possible for the electrons to form a bunch at the output of the slow wave structure as the gap between early and late electrons will increase more instead of decreasing. Please reply if I am right and make the pinned comment suggesting the changes as it is creating a bit of confusion.
In two cavity klystron he marked early elctron in +ve half cycle ....
what happens is " we are getting some words to write in the exam".
This is not an explanation.
True
Super sir.
Your positive comments motivates me.
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Love from you guys means a lot to me.
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Explanation good and helpful but one thing some noise present in this video apart from that it's good
Speed of electron field in axial direction in helix , created by applied signal at helix is ???
Can v make vedio the mathematical analysis of twt
thankuu so much sir🙏🙏😇
Your positive comments motivates me, Thanks and welcome 🙏
Nice explanation sir
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Your positive comments motivates me and person like me get boosted by my students feedback. Thanks and welcome 🙏
Make videos for helix twt and cross field amplifier
explain the working of multi cavity klystron amplifier
Negative half cycle me bhi distance jo hai woh same positive waali cycle ki trah close ho jyega ...kya horha hai????
@Engineering Funda
nice explain
+Harpreet Singh : your welcome
One video. thousand ads really
Rf is ac signal and helix is a single conductor. So how the rf wave travels through the helix?
Because of magnetic force, it happens
@@EngineeringFunda other wire is connected with antenna so the circuit is completed?
During positive half cycle when electron get accelerated, then how bunching will take place bcoz when the first electron get accelerated then it will move away from adjacent one so how bunch will form at the end
vishal poosarla same dought to me also
Helix is used to reduce the velocity of an electron so no electrons further move forward
this is because the RF signal gets amplified gradually along the coil. Therefore, as the amplitude increases, the distance between consecutive electrons decreases even more.
You are not giving reason for bunching..as when accelerative force will occur..it will affect all three electrons then how the space in between them is reducing??
Make video on op amp plz
Sir is that helix twt and this explanation is the same......if not plz present a video...regarding that....and u did not explain about the two types helix twt and couple cavity twt..
Cylindrical travelling wave lecture....
Very good explanation, but about grid and collector 1 and 2 not explained. Please cover it in next video.
We will be updating this playlist in next 50days.
Sir will you add the tutorial of some control system syllabus that im going to add...
Complete control system is added in my channel
despite of resistive force in the negative half cycle why the electrons are getting bunched? Kindly resolve the confusion
thanks
Your welcome
Thank you
Your welcome 🙏
Is there exist a accelerative force or retarding force in +ve half cycle
Will you explain slow wave structure in detail???
in this session are not explain the functioning of magnates
+ram raj : it is there to give magnetic force to electrons passing through coil
Sir please explain the topic in a clear step or points format so that students can write the points in their notes to read it easily for exams
The magnetic field is supposed to be axial(not off axis), so your diagram is a little off. I knew what you meant though.
sir plz make a video for circular wave guide
Good
+chetak pal : your welcome
👍
Your welcome
Hi
TWT is all times preferred to magnetron for use in radar transmitter ..y?
This all is taken from Wikipedia.. See there first.. Same topic same lines.. I learned there first then came here... By the way TWT is multipurpose but specially for radar transmitter
Twt are generally at an advantage when low noise output and frequency variability are useful
What camera do u use...bro?
+Baggaraju Gnanaprakash : DSLR
Sir plz make a video of barit diode with deeply. Basic to high
+vivek madan : oh well I forget this diode. Thanks to remind me. I will make it by this week.
+vivek madan : now you can see that video in my playlist
What is helix twt ? plz explain it
This is helix twt
what is the use of magnets that you have used ?
+KAUSHIK KUMAR DHANG : it is to give magnetic force
Sir what is the use of helix in it
+Vedant Khare : it is to generate magnetic field which will inserts magnetic force
Thank you sir
What is the differentiation for negative half cycle and positive half cycle ...they are doing same job
polarity
@@anmolmadan24 thank you for your quick response bro
@@_A-jl6uv lol it ok
Sir please ugc net electronic science ke liye bhi video uplaod kr dijiye . microwave se related topic and antenna theory seebhi related. Thank u
+SHEFALI JAISWAL : I will be explaining antenna next year
Respected Sir/madam ,there is some mistake in your explanation. 1)The velocity of early electron is higher than velocity of late electron. But you said inverse of it.
2) in applegate diagrams seq of electron is should be early, reference, late. But you take inverse of it.
Its perfectly correct here
Outstanding sir
But sir their are some noise in background
+Sunny Sharma : thanks and your welcome and I will take care in next subjects
plz make videos in silent place there is a lot of background noises in your vdos
Noted dear
Magnetic field kya kar rhi hai???
Sir what is attenuator use?
+Vishnu Priya : it is to calibrate input so that signal doesn't exceeds threshold
Engineering Funda
Thank you sir
I want to advance communication notes
"slow-wheel structure"? "slow-wee-oo structure"? What?
At 8:37
Positive half m e- retard krga na k accelerate
Helix twt vedio
Sir can you please explain what did u mean by "wire range of frequencies" ? You are a great teacher u cant be wrong so this has to mean something.
Helix twt video
Explain panna sonna padichitu irukan 😆
Y we r using attunator
jv ramana bcoz helix travels high RF signal gain so attenuator will attenuate or loss the resestive Ness and produces constant gain ..... without an attenuator the device goes to damage
too many disturbing ads !!😓
"maaaagnetic field" nice pronunciation
Sir
U r not explaining working of magnetron lecture properly ,kindly
Improve
I will definitely change it
Yep..electron isn't travelling through slow wave structure..RF signal do. There is some sort of confusion while explaining.
Those are 14 electrons not 16
Sir you're not writing correct spelling of sentences
Yellow se mat app likha kro sir
a bit confused
Concept thoda achee se smjhaya kijiye
Noted ✅
Lots of ads
Watch the video in 1.25X playback speed....thank me later 😅
thnx 1.5x is sufficient
Half information
So much noise
+parasa praveena : kids were playing but still one can understands. :)
he repeats the same thing 1000 times