Feed-line width and length- microstrip patch

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Vagish Rajan

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Hi,
Could anyone give the formula to calculate the feed width and length of an inset fed microstrip patch antenna?
The design is being done using HFSS software.
Solution freq. is 2.4GHz
Substrate- FR4 Epoxy
With reference to the fig, I need the value of W and the feed length
 
For ur antenna, I calculated the parameters with Ansoft designer. Hope the figure helps..
Secondly u can download alot of IEEE papers for formulas and google Microwave books on this subject.

 
Thank you.
If it's not too much trouble for you, can u send me a few links to IEEE papers as I could not find any.
And u have directly given the values as calculated by Ansoft HFSS ADK.
But I need the formulae/rule to theoretically calculate it.
 

Thanks a lot.
It was very helpful.
But I find that there is no solid formula for the feed line width.
Even in the documents u provided links for.
Thank you again! :smile:
 

I got the formula for calculating the width of printed transmission line when I stumbled upon a book called "Antenna Engineering Handbook" by Volakis
Thank you again.:smile:
 

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