Your positive comments motivates me, my goal is to create largest community of engineers in entire globe, so please help me for that by sharing this lecture series(playlist) with your friends in social media (watsapp, telegram etc). Thanks and welcome 🙏
Your positive comments motivates me. Teachers like me just wants positive comment from student. Love from you guys means a lot to me. My goal is to create largest community of engineers in entire globe. Please help me by sharing this playlist with your friends.
I have a question. At 7.0 MHz Dipole length nominal 68 feet but with a distance between elements of 4 feet . run the antenna main element at 1 foot off the ground, this places the feed point at a nominal 5 foot elevation in the middle of the folded dipole. Running at the lower elevation to reduce urban RF noise level. Please comment (dave)
sir , in antenna mode there is current i which flow in dipoles is Ia/2 so why Ia/2 not used in impedance derivation here ia=V/2ZD kindly explain this point
How come in antenna mode, currents in the two dipoles are in the same direction. Direction of currents in transmission mode is straight forward but in antenna mode, the direction is very confusing can you expand it further.
The thing I don't understand is the spacing between the two dipoles. When looking at the equation Ratio formula in terms of D1, D2 and S, where D1 is the diameter of one dipole, D2 the diameter of the second dipole and S the spacing between the dipoles), spacing has zero effect on the impedance transformer ratio. But the spacing must do something, for example, one cannot have the two dipoles 1km apart. There must be another formulae or something that determines optimum spacing? Can you explain that? Thanks!!
Your positive comments motivates me, my goal is to create largest community of engineers in entire globe, so please help me for that by sharing this lecture series(playlist) with your friends in social media (watsapp, telegram etc). Thanks and welcome 🙏
What is optimum value of "d" separation and how do you calculate it ? At what value of "d" does antenna switch from transmission line mode (non-radiating) to antenna mode (radiating) ? 73 - K0DPW
Your Appreciations, care and share matters a lot to me. #EnginneringLove. 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 🙏
In typical parallel circuit, voltage is same in each leg, but total amperage (current) is split between legs depending on load per leg, why should antenna be different ? Actually, loading and final leg are in series, and internal legs are in parallel relative thereto and each other. 73 - K0DPW
because it's given in a book and everybody is blindly copying it. I have seen even IIT professor go like this: "It will be V, no sorry V/2, no sorry let me see, yes, V/2. And current in this branch is I, no I/2....". Folded dipole is a mystery.
Plz don't add advertisement in videos It is hard to concentrate in video again and again due to so many ads As these videos are study related so we don't want any disturbances...
Horrible video on Yagi's without any mention of how they are driven or feed point etc. If you search you tube, you see a lot of Indian video's in terrible english that provide useless levels of info.
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If I passed my awp subject then the credit goes to you only sir.... Thank you so much
Your positive comments motivates me, my goal is to create largest community of engineers in entire globe, so please help me for that by sharing this lecture series(playlist) with your friends in social media (watsapp, telegram etc). Thanks and welcome 🙏
😅😅yes
U guys passed
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Your lectures gives best explanation
U r teaching is super sir 👏👏
Your positive comments motivates me.
Teachers like me just wants positive comment from student.
Love from you guys means a lot to me.
My goal is to create largest community of engineers in entire globe. Please help me by sharing this playlist with your friends.
Under what condition folded dipole acts as transmission line mode
I have a question. At 7.0 MHz Dipole length nominal 68 feet but with a distance between elements of 4 feet . run the antenna main element at 1 foot off the ground, this places the feed point at a nominal 5 foot elevation in the middle of the folded dipole. Running at the lower elevation to reduce urban RF noise level. Please comment (dave)
sir , in antenna mode there is current i which flow in dipoles is Ia/2 so why Ia/2 not used in impedance derivation here ia=V/2ZD kindly explain this point
Excellent. Thanks friend! I loved it.
How come in antenna mode, currents in the two dipoles are in the same direction. Direction of currents in transmission mode is straight forward but in antenna mode, the direction is very confusing can you expand it further.
pata chala tha kya kyu hota hai?
Very well addressed. Thanks Bhai...
Nice lecture
👌👌👌👌👌👌👌👌👌👌
Thanks Sir
The thing I don't understand is the spacing between the two dipoles. When looking at the equation Ratio formula in terms of D1, D2 and S, where D1 is the diameter of one dipole, D2 the diameter of the second dipole and S the spacing between the dipoles), spacing has zero effect on the impedance transformer ratio.
But the spacing must do something, for example, one cannot have the two dipoles 1km apart. There must be another formulae or something that determines optimum spacing? Can you explain that? Thanks!!
Perfect 👍👍
Your positive comments motivates me, my goal is to create largest community of engineers in entire globe, so please help me for that by sharing this lecture series(playlist) with your friends in social media (watsapp, telegram etc). Thanks and welcome 🙏
In antenna mode, why the current is in the same direction? It is against the circuit analysis theory.
Need further explanation.
do you know why?
What is optimum value of "d" separation and how do you calculate it ? At what value of "d" does antenna switch from transmission line mode (non-radiating) to antenna mode (radiating) ? 73 - K0DPW
Sir plz upload point sources -method of excitation and impedance matching techniques
is a loop antenna a folded dipole?
While both look the same how to differentiate between transmission line mode and antenna mode?
Sir I think the division did u mistake sir 4 common means 2 comes on 2zt
Sir I want objective questions ...where I will get ...
which means the two modes always exist together?
Yeah
cool...but
please professor, talk about Finite length dipole antenna. thank u
Upload video for parabolic reflector antenna
in antenna mode why current is in same direction sir
👍👍👍
Your positive comments motivates me, Thanks and welcome 🙏
Sir it's perfect but too many ads are coming 😡😡😡
🎉
Your Appreciations, care and share matters a lot to me. #EnginneringLove.
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 🙏
is it also called meander line antenna?
Could you please explain about current element in antenna wave propagation..
Please use tags for your videos to upload
Thanks for guiding me about this
@@EngineeringFunda like using #antennaEp1 etc
Thx Sir ji
why v/2?
I could be wrong, but I think it's because each individual dipole takes half of the voltage, essencially Vd = V/2.
Later with the N-element, I believe each Vd would be equal to V/N
In typical parallel circuit, voltage is same in each leg, but total amperage (current) is split between legs depending on load per leg, why should antenna be different ? Actually, loading and final leg are in series, and internal legs are in parallel relative thereto and each other. 73 - K0DPW
because it's given in a book and everybody is blindly copying it. I have seen even IIT professor go like this: "It will be V, no sorry V/2, no sorry let me see, yes, V/2. And current in this branch is I, no I/2....". Folded dipole is a mystery.
watching in 2x
Thank you
I Don't like ....more explain...
🥰😘😎
There is an a mistake in zn
When we take the LCM then the numerator will be 2zt+zd not zt+2zd
Why you keep on repeating one sentence so many times
go away idiot
Plz don't add advertisement in videos
It is hard to concentrate in video again and again due to so many ads
As these videos are study related so we don't want any disturbances...
IA/2
confused!!!!! not clear explanation......
Tip : Read it from a reference book and then watch this videk
Horrible video on Yagi's without any mention of how they are driven or feed point etc. If you search you tube, you see a lot of Indian video's in terrible english that provide useless levels of info.