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Probe design help pls! - return loss is not convincing

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lovhana

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Probe design help pls!

someone pls help me..whats wrong with my design..i use L-probe to simulate my design..unfortunately the return loss is not convincing..i attached the .geo and .spt below....thanx
 

L-probe design confusion

erm..i jus wondering if i design using L-probe..the dielectric should be Air?can i put another value other than 1 (air) between ground plane and patch in ie3d..hope someone will help..thx..
 

Re: L-probe design confusion

lovhana said:
erm..i jus wondering if i design using L-probe..the dielectric should be Air?
Click to expand...

It depends on your design. Can be air or any other dielectric material.

can i put another value other than 1 (air) between ground plane and patch in ie3d.
Click to expand...

yes you can. in the Basic parameters define the Finite dielectic types (E_r). Then select the plane (in your case the gnd plane) and from adv edit go to "define dielectic calls". Give the z values of the dielectric and select "keep original polygons after ....". That's all. Now from 3D view, you can see the dielectric. However, bear in mind that it takes much time to simulate when using dielectric.

regards,
shameem
 

Re: Probe design help pls!

thanx shameem!
 

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