Question

4. Design a wave guide fed-pyramidal horn antenna working at an operating frequency of 9.5 GHz for the following slant lengths: $ ho_E = 6.7cm$; $ ho_H = 8.23 cm$. Assume the Waveguide parameters as width: $W_g = 22.53mm$; Height: $H_g = 12.67mm$ a) Calculate the aperture height ($H_a$) and aperture width ($W_a$) (8 marks) b) Calculate the gain ($G$) of the antenna. (5 marks) c) Calculate the Flare length ($L_f$) in E plane. (6 marks) d) Increase the aperture height by 25% and analyze the effect on the gain obtained for the given operating frequency. (6 marks)

          4. Design a wave guide fed-pyramidal horn antenna working at an operating frequency of
9.5 GHz for the following slant lengths: $
ho_E = 6.7cm$; $
ho_H = 8.23 cm$. Assume the Waveguide
parameters as width: $W_g = 22.53mm$; Height: $H_g = 12.67mm$
a) Calculate the aperture height ($H_a$) and aperture width ($W_a$) (8 marks)
b) Calculate the gain ($G$) of the antenna.  (5 marks)
c) Calculate the Flare length ($L_f$) in E plane. (6 marks)
d) Increase the aperture height by 25% and analyze the effect on the gain obtained
for the given operating frequency. (6 marks)

4. Design a wave guide fed-pyramidal horn antenna working at an operating frequency of
9.5 GHz for the following slant lengths: hoE = 6.7cm; hoH = 8.23 cm. Assume the Waveguide
parameters as width: Wg = 22.53mm; Height: Hg = 12.67mm
a) Calculate the aperture height (Ha) and aperture width (Wa) (8 marks)
b) Calculate the gain (G) of the antenna. (5 marks)
c) Calculate the Flare length (Lf) in E plane. (6 marks)
d) Increase the aperture height by 25% and analyze the effect on the gain obtained
for the given operating frequency. (6 marks)

Added by Rodrigo H.

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