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clanon

Stella Doradus 2020

"Yes, I know this antenna, but it also puts the image whith  sizes..!!!

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1.524, 1.575, мм.jpg

PS: Some doubt about PTFE thickness...I used 1.575mm...

Edited by clanon
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Jomy...impedance is close to 76ohms...what you think...reflector distance wrong ...? (i guess) (i used 5.5mm from backplane to PTFE)

 

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,,,try 4,5mm  PCB-reflector distance and 0,8mm PCB-thickness....!!!!

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Getting 20.9dbi ALL wideband...BUT...Efficiency i low...

with waveguide port...

gonna try next with DISCRETE Port...

PS:the HOLES make a lot of difference in the PTFE!

Sin título.jpg

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,,,for this antenna I think there are too many patches  to such gain in directivity ... ???

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Modified for COPPER TAPE over PES (styrofoam)

 

gain.JPG

S11.JPG

im re.JPG

VSWR.JPG

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