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www.changpuak.ch\ electronics\ calc_12a.php - December 09 2011 21:20:22

Sophisticated Helix Antenna Design



Helix schematics

Freq. [MHz]

n

   number of turns

λ [mm]

   wavelength

Gain [dB]

   approx.

l1 [mm]

   Length of matching Coax (λ/4)

d1 [mm]

   Diameter of matching Coax

d4 [mm]

   Diameter of Conductor

l2 [mm]

   Length of Helix

d2 [mm]

   Helix Diameter

d3 [mm]

   Disc Diameter
   

 
niet



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