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Admin

Horn Antenna

Started by Admin,

26 posts in this topic

Posted

Hello everyone.Here are proven horns for offsets at 5.4 Ghz offset 60cm .

 

screenshot_176.png

 

screenshot_177.png

 

horn5,4ghz.cst

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Posted

On 11/10/2023 at 9:21 AM, Admin said:

Hello everyone.Here are proven horns for offsets at 5.4 Ghz offset 60cm .

 

screenshot_176.png

 

Monopoles are highly CAPACITIVE (too short) with the cone shape maybe gets closer to 0...reactance ?

 

horn5,4ghz.cst

 

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Posted (edited)

Hi guys,

Here is one of my favorite antenna type. I'm sharing a Tem Horn Antenna design. I did my simulation only up to 3GHz, but it's  possible that this design goes up to 6GHz or more. But need to check it's radiation pattern also because it sometimes can be degradable at high frequencies. 

Because of it's exponential shape, I put my design as sheet in simulation so it would be faster. Also in real life manufacturing you can actually use copper tape on your 3D printed model or thin copper plates like 0.1 to 0.5mm thickness. Just be careful at soldering the feed. Because of the thin copper layer your 3D printed model can melt easily.

This antenna is one of the best way to get wide bandwidth and high gain. I didn't spend much time on this design. Feel free to optimize it and share results with me. 

 

 

Tem Horn photo1.png

Tem Horn photo2.png

Tem Horn photo3.png

S11.png

Realized Gain.png

Realized Gain 2GHz.png

Edited by Docgi
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Posted

There is one mistake in dimensions. You can see the rigth one below

Tem Horn photo2.png

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Posted (edited)

Nice project (for UWB)...could you post the 3d (.stl .hfss or .aedt) to run it through cst up to 6ghz , and gain seems to go all the WAY to the problematic zone (under 500mhz) nice for an SDR PS: I went with LPDA , cone elemwents...but NOT happy with the results...

 

Edited by clanon
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Posted

19 hours ago, Docgi said:

There is one mistake in dimensions. You can see the rigth one below

Tem Horn photo2.png

is that a BALUN...? looks like it...

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Posted

I see it done with Brass sheet (rigid no need for dielectric support)  OR copper Tape (0,0254 mm) over Polystyrene foam...

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Posted

,,,another version with different dimensions...

screenshot_21.png

screenshot_25.png

screenshot_24.png

screenshot_23.png

screenshot_22.png

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Posted

Jomy did you try a conical (cilinder) Horn ?...(should be smoother all around)

PS: the TEM UWB should have a new post...imho

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Posted

Okay Clanon, I'll try to do this too...!!!

Yes, that's it....

screenshot_28.png

 

 

RondCone.cst

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Posted

The Meroka antenna's design is superior here only at 2.4 GHz. It features a resonant cavity with a monopole and director perfectly tuned to the resonant cavity, rejecting all noise signals. This makes it ideal for working in saturated environments.

M1.jpg

M2.jpg

M3.jpg

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Posted

,,Heinkel,you are from Spain...???
,,,it means you met zero13 wireless.net...!!!

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Posted

On 09.08.2025 at 5:30 PM, clanon said:

Nice project (for UWB)...could you post the 3d (.stl .hfss or .aedt) to run it through cst up to 6ghz , and gain seems to go all the WAY to the problematic zone (under 500mhz) nice for an SDR PS: I went with LPDA , cone elemwents...but NOT happy with the results...

 

You may find step file atteched, for the Tem Horn Antenna. I hope this helps

TEM_Horn_StepFile.step

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Posted

On 09.08.2025 at 5:33 PM, clanon said:

is that a BALUN...? looks like it...

That is exactly a kind of BALUN. I saw these types BALUN in some articles about Tem Horn Antenna 

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Posted

5 hours ago, clanon said:

Jomy did you try a conical (cilinder) Horn ?...(should be smoother all around)

PS: the TEM UWB should have a new post...imho

Well, I shared TEM Horn antenna in this post because it's in Horn Antenna Familia. But we can take this to a new post if necesarry

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Posted

I'm not from Spain, but I did meet Zero13 Wireless.

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Posted

8 hours ago, heinkel said:

I was born in Argentina lives in Spain .I think you can improve the model's performance with CST.

MerokaV1S11.cst

,,,okay,thank you...!!!

,,,but you see, I addressed this topic a few years ago...!!!

 

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Posted

Anyway, I like pyramidal horns, better, because they are easier to build....!!!

2025-08-13_15-09-13.png

,,,and some constructive details...

screenshot_183.png

screenshot_184.png

 

screenshot_185.png

,,, if the dimensions of the pyramidal cone are reduced by half(240/2x175/2x290/2), these results are obtained...

2025-08-13_16-16-09.png

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Posted

On 8/12/2025 at 9:59 AM, Admin said:

Okay Clanon, I'll try to do this too...!!!

Yes, that's it....

screenshot_28.png

 

 

RondCone.cst

WAY MORE REACTIVE than square...o.O

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Posted

+3db You've doubled the profit, good design, Clanon. I can't open it because my CST is from 2012. Is there any possibility of backwards compatibility with the new CSTs?

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Posted (edited)

33 minutes ago, heinkel said:

+3db You've doubled the profit, good design, Clanon. I can't open it because my CST is from 2012. Is there any possibility of backwards compatibility with the new CSTs?

Me ganaste loco , el mio es de 2020...LMAO!

WHICH ONE you need...? The LPDA you open the 2D DXF (just one) make it double Asign thickness of the material you want (one over the other) and then add a BRIDGE  (rectangle sheet at the END , Wide part)

You need an STL from CST and it would open as ALL SOLIDS not materials (dielectric , pec ,etc) designated...and then TWEAK IT...

Edited by clanon
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