how to Create spiral antenna?

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chaplajay

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hello

can u help me to design circular spiral in CST 2011 & HFSS 11.11?
i can not design in this kind of software...
plz help me out...
 

To create a spiral in CST try the analytical curve function.
Set x: R*cos(t)+t*cos(t) y: R*sin(t)+t*sin(t) z: 0 or t (if you want it to be a helix)
Then set t to go from 0 to x*2*pi, where x is the number of times it will spiral around.

Hope this helps!
 

There is a macros for doing this, Home>Macro's>Construct>Coils
 

what sort of spiral are you trying to create is it logarithmic spiral,archimedean etc ??
 

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