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Effect of feed location using Zeland IE3D

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Mohammed EL_Kenawy

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Hey

Could you help me please ,

I want to see the effect of feed location on freq, Return loss & Bandwidth
by varying the feed location along the length
of the patch from the origin (center of patch) to its right most edge. The coaxial probe feed used is designed to have a radius of 0.5mm.

the length and the width of the patch L = 22 mm, W = 31 mm

for example for different feed locations (3,0) , (4,0) , ....

• f = 1.9 GHz
• ε r = 11.9
• h = 1.5 mm

using zeland , I want to know which tools used to determine feed location and how to feed it by coaxial probe and how to see the effect of Return Loss & Bandwidth ...

please help me ,
 

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