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2.4 GHz Dipole Antenna Design in CST

  Рет қаралды 14,664

Simulation Master

Simulation Master

Күн бұрын

Пікірлер: 31
@thall9245
@thall9245 3 жыл бұрын
Hi! Thank you, I had the same issue at 8:35 where my s-parameter results isn't correct. Do you know why you got those results instead of the actual desired s-curve plots?
@ashwithashetty5136
@ashwithashetty5136 2 жыл бұрын
This may be because of the impedance. For Half wave dipole it is 73ohms. If I am not wrong
@maryamdarabi4300
@maryamdarabi4300 8 ай бұрын
the solver should be time domain not integral.
@wisdomwisdom2546
@wisdomwisdom2546 4 жыл бұрын
Thank you for this video ,I have a question I will be glad for your reply . In your video around 2.20s, you commented about CST using 0.003669 as the coefficient for defining the dipole antenna . You also used 0.025 to evaluate the distance between the dipole . I have been unsuccessful in getting your reference manual . Could you share your CST reference where you obtained it? Thanks
@SimulationMaster
@SimulationMaster 4 жыл бұрын
Dear Wisdom, That is actually a very good question. I took this value from the Component Library. You can give any value that you want to. This will change the bandwidth of the antenna. The thicker the antenna the wider the bandwidth it will have.
@wisdomwisdom2546
@wisdomwisdom2546 4 жыл бұрын
@@SimulationMaster I have checked the component library but its confusing your statement.Please kindly share a screen shot of where you obtain it it will be very useful ....Thank you
@sciencelearning2326
@sciencelearning2326 5 жыл бұрын
Thank you very much for your explanation
@mrittikarahman0111
@mrittikarahman0111 7 ай бұрын
Please also design a helical antenna Plzzzzzzz
@simi7701
@simi7701 4 жыл бұрын
Thankyou, it helps me alot
@SimulationMaster
@SimulationMaster 4 жыл бұрын
Your welcome.
@cihankovanc5981
@cihankovanc5981 4 жыл бұрын
Videolar için Teşekkür ederim. C şeklinde ve benzeri şekillerde anten tasarlamak istiyorum . Dipol anten ile yapmak istediğimde Antenimi bükemiyorum. Silindirik şekili bükmenin bir yolu var mı. Ve şekil değiştiği için hesaplamalarını nasıl yapabilirim.
@SimulationMaster
@SimulationMaster 4 жыл бұрын
Merhaba Cihan, Bunu yapmanın birçok yolu vardır. 1. Bir 'Curve' tanımlarsın ve istediğin kesit alanını curve boyunca sweep yapabilirsin. 2. iki yüzey tanımlarsın ve Loft fonksiyonu ile C şeklini oluşturabilirsin. 3. Bend Tool ile verilmiş bir parçayı bükebilrisin. Daha detaylı çizim verebilrisen yardımcı olabilirim.
@revytanovacn
@revytanovacn 4 жыл бұрын
Hello sir im from Indonesia, nice video.. may i ask you, do you know how to parsweep in antena helix? Which parameter that i have to changes? Thank you..
@SimulationMaster
@SimulationMaster 4 жыл бұрын
Dear Candra, Can you please explain in detail your question. If you want to parameter sweep you must first define the parameter in your design.
@revytanovacn
@revytanovacn 4 жыл бұрын
@@SimulationMaster Okay sir. I have some parameters to design my helix antenna. *Center frequency = 2.45 GHZ *fh = 2.6 GHz , fL = 2.3 GHz *bandwidth > 3% *Input impedance 50 ohm *Return loss < -10 dB *VSWR < 2 *Polarization RHCP *Using FR-4 material for substrate (dielectric constant 4.3) *Substrate thickness 1.6mm I have already designed with N (number of turns) = 5. Used this formula, Wavelength = 122.4mm D = diameter of helix = 38.9mm S = spacing between turns = 30.55mm C = circumference of helix =π D = 122.2mm A = total axial length = NS = 152.75mm (same as height of substrate) α= pitch angle = 14 degrees diameter of gnd plane > 1/2 lambda The problems are the return loss at center frequency 2.45Ghz, its result is beyond my expectation. Also happens for VSWR. :( I changed the number of turns become 7, and increasing the height of substrate (same as axial length), and the result for RL and VSWR are good (-30dB and 1.05), but that values at frequency 2.52 GHz. What should i do to make result be in 2.45Ghz and not 2.52 GHz like the way i got? Thank you..
@SimulationMaster
@SimulationMaster 4 жыл бұрын
@@revytanovacn Dear Candra, Did you change the radius? I think you must slightly increase the radius.
@revytanovacn
@revytanovacn 4 жыл бұрын
@@SimulationMaster radius is diameter/2, right?
@SimulationMaster
@SimulationMaster 4 жыл бұрын
@@revytanovacn YES
@harshaaharshu2001
@harshaaharshu2001 10 ай бұрын
How do calculate the radius value sir?
@younesszaarour284
@younesszaarour284 4 жыл бұрын
a question please! how can we figure out a S12 parametre in cst thank you
@SimulationMaster
@SimulationMaster 4 жыл бұрын
In CST if you have two port you can calculate S12 parameters. In our project, we have only one port so we can only calculate S11 parameters.
@刘泽宇-c7h
@刘泽宇-c7h 3 жыл бұрын
hello sir do you know how to design Dipole in 5 mm ear
@SimulationMaster
@SimulationMaster 3 жыл бұрын
Can you be more specific? If you want to design dipole, just design it in CST. Then save as near field source and place it near the ear. I believe there are models for human parts.
@chakirakalay9123
@chakirakalay9123 4 жыл бұрын
thank you
@amirbit2086
@amirbit2086 Жыл бұрын
I practiced this with taking help using this tutorial but guess what? efficiency is ZERO😬
@user-zs3ui9ny4r
@user-zs3ui9ny4r 2 жыл бұрын
pdf please
@SimulationMaster
@SimulationMaster 2 жыл бұрын
what do you mean by pdf?
@avikdas2666
@avikdas2666 4 жыл бұрын
you should improve the voice
@SimulationMaster
@SimulationMaster 4 жыл бұрын
I totally agree with you :)
@anonymouswanted3686
@anonymouswanted3686 4 жыл бұрын
dude , just work with your voice . Lots of fillers
@SimulationMaster
@SimulationMaster 4 жыл бұрын
I will try.
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