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Folded Dipole Antenna (Basics, Structure, Working, Radiation, Applications, Pros & Cons) Explained
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- čas přidán 15. 08. 2024
- Folded Dipole Antenna is explained by the following outlines in a unit of Dipole Antenna:
1. Folded Dipole Antenna
2. Basics of Folded Dipole Antenna
3. Structure of Folded Dipole Antenna
4. Operation of Folded Dipole Antenna
5. Input Impedance of Folded Dipole Antenna
6. Multi Element Folded Dipole Antenna
7. Radiation of Folded Dipole Antenna
8. Advantages of Folded Dipole Antenna
9. Disadvantages of Folded Dipole Antenna
10. Applications of Folded Dipole Antenna
Chapter-wise detailed Syllabus of the Antennas and Wave Propagation Course is as follows:
Chapter-1 Antenna Parameters: • Antenna Parameters
Radiation Pattern, Antenna Radiation Density and Radiated Power, Antenna Radiation Intensity, Antenna Beam Efficiency, Beam Angle & Beam Solid Angle, Antenna Radiation Efficiency, Antenna Directivity, Antenna Gain, Antenna Apertures, Polarization, Friis Transmission formula, Antenna Field Zone, Radiation Resistance, Retarded Potential, Reflection Coefficient and VSWR, Antenna Temperature, Effective height of Antenna, Reciprocity theorem of Antenna.
Chapter-2 Dipole Antenna: • Dipole Antenna
Types of Dipole Antenna, How Dipole Antenna Radiates in space, E field and H field in dipole antenna, Radiation resistance and radiated power of Hertzian dipole antenna, Radiation resistance and radiated power of halfwave dipole antenna, Dipole Antenna feeding techniques, Monopole antenna and imaginary ground concept of monopole antenna, Folded Dipole Antenna.
Chapter-3 Antenna Array: • Antenna Array
Basics of Antenna Array, Two Isotropic source array, Two point array separated by half wavelength, Two point array separated by wavelength, Radiation pattern of two point antenna array, Pattern Multiplication, Pattern Multiplication of four point sources, Pattern Multiplication of eight point sources, Binomial Array, Schelkunoff Polynomial array, Dolph Tchebyschedd array, Tchebyshev Polynomial, Phased Array, Frequency scanning array, Hansen woodyard end fire array, Smart Antenna.
Chapter-4 Loop Antenna, Helical Antenna & Yagi Uda Antenna: • Loop Antenna, Helical ...
Basics of Loop Antenna, Radiated Power and Radiation resistance of loop antenna, Details of Helical antenna, Designing of helical antenna, Problems on helical antenna, Yagi Uda antenna, Designing of Yagi Uda Antenna, Problems on Yagi Uda Antenna.
Chapter-5 Turnstile Antenna, Long wire Antenna, Travelling wave Antenna, V Antenna & Rhombic Antenna: • Turnstile Antenna, Lon...
Details of Turnstile antenna, Long wire resonant antenna, Travelling wave antenna, Details and working of V antenna, Rhombic antenna, Designing of Rhombic antenna, Problems on Rhombic antenna, Antenna impedance matching.
Chapter-6 Horn Antenna, Reflector Antenna & Lens Antenna: • Horn Antenna, Reflecto...
Horn Antenna and it's radiation, Reflector Antenna, Feeding methods of reflector antenna, Aperture efficiency of reflector antenna, Problems on reflector antenna, Lens antenna and working principle of lens antenna, Comparison of reflector antenna & Lens antenna.
Chapter-7 Slot Antenna: • Slot Antenna
Babinet's principle, Slot antenna and radiation mechanism in slot antenna.
Chapter-8 Microstrip Antenna: • Microstrip Antenna
Microstrip Antenna basics, Feeding methods of Microstrip Antenna, Fringing effect of Microstrip Antenna, Designing of Microstrip Antenna, Example of Microstrip Antenna, PIFA antenna.
Chapter-9 Broad Band Antenna, Log Periodic Antenna & Spiral Antenna: • Broad Band Antenna, Lo...
Broad Band Antenna, Frequency Independent Antenna, Log Periodic Antenna, Structure of Log periodic antenna, Spiral Antenna, Radiation and Designing of Spiral antenna.
Chapter-10 Antenna Measurement: • Antenna Measurement
Radiation pattern measurement, Gain measurement, Source of error in gain measurement, Impedance measurement, Phase measurement, Polarization measurement, Spectrum Analyzer, Network Analyzer, VNA Calibration, Anechoic chamber.
Chapter-11 Wave Propagation: • Wave Propagation
Radio wave propagation, Ground wave propagation, Sky wave propagation, Space wave propagation, Duct propagation, Critical frequency, Maximum Usable frequency, Virtual height, Skip distance.
Engineering Funda channel is all about Engineering and Technology. Here this video is a part of Antenna and Wave Propagation.
#FoldedDipoleAntenna #DipoleAntenna #Antenna #EngineeringFunda
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If I passed my awp subject then the credit goes to you only sir.... Thank you so much
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😅😅yes
U guys passed
Under what condition folded dipole acts as transmission line mode
Your lectures gives best explanation
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?
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.
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!!
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is a loop antenna a folded dipole?
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
Excellent. Thanks friend! I loved it.
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?
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 🙏
Sir plz upload point sources -method of excitation and impedance matching techniques
Sir I want objective questions ...where I will get ...
👍👍👍
Your positive comments motivates me, Thanks and welcome 🙏
While both look the same how to differentiate between transmission line mode and antenna mode?
Very well addressed. Thanks Bhai...
in antenna mode why current is in same direction sir
cool...but
please professor, talk about Finite length dipole antenna. thank u
Nice lecture
👌👌👌👌👌👌👌👌👌👌
Thanks Sir
which means the two modes always exist together?
Yeah
Upload video for parabolic reflector antenna
is it also called meander line antenna?
Sir it's perfect but too many ads are coming 😡😡😡
Thx Sir ji
watching in 2x
Please use tags for your videos to upload
Thanks for guiding me about this
@@EngineeringFunda like using #antennaEp1 etc
Thank you
🥰😘😎
I Don't like ....more explain...
Could you please explain about current element in antenna wave propagation..
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.
There is an a mistake in zn
IA/2
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...
confused!!!!! not clear explanation......
Tip : Read it from a reference book and then watch this videk
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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.