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Antenna with wire elements

81 posts in this topic

,,,this is the last simulation of the zig-zag antenna...!!!

 

screenshot_175.jpg

 

screenshot_176.jpg

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Thanks

So it is not 19 dB than maximum is 12 dB 

let say little bit less than double - biquad which is 14 ,,, i think ..right?

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I just cut the Cu wire but i use 2.5mm2 - ordinary electric cu wire which is 

wider so maybe i get better results..who knows.

anyway antenna is easy to build...

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Do you can simulate ...design i show in the image above?

if is not problem ..i don't have that CST program.

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9 minutes ago, aurel said:

Do you can simulate ...design i show in the image above?

if is not problem ..i don't have that CST program.

,,,okay ,I will try...!!!

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1 hour ago, aurel said:

Thanks

So it is not 19 dB than maximum is 12 dB 

let say little bit less than double - biquad which is 14 ,,, i think ..right?

20dBi, got with four such antennas...!!!

with the dipole side = 57mm

 

screenshot_178.jpg

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6 hours ago, aurel said:

What you think about this shape?

zigShape.png

 

,,,why this antenna does not work ... ???

 

screenshot_179.jpg

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,,,why this antenna does not work ... ???

Yes why...bad design probably...:o

I don't understand this diagrams very well but i see f= 2.2  not 2.4ghz 

is that mean something?

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Is there any other freeware program which can replace CST maybe ?

i mean for wire antennas?

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7 minutes ago, aurel said:

Is there any other freeware program which can replace CST maybe ?

i mean for wire antennas?

https://qsl.net/4nec2/

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Auuu

that one was lame...

I found on source forge program called VEMSA3D but i don't know how to work with it?

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,,, this is not an antenna simulation program ... !!!

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ahhh

it is attempt to create something useful

In fact - we can create wire antenna adding nodes but is tooo slow. 

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I found this image ..about printed wire 

sierpinski fractal

sierpin.png

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Yes, as far as I remember, I have done this fractal antenna on a forum...!!!

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I found this antenna on some radio amateur site YU ..i think

and i don't get it why is connection point here where IS NOT maximum of current density?

 

feedPoint.png

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