(Q). A parabolic dish provides a gain of 75dB at a frequency of 150GHz. Calculate the area of the antenna and its 3dB beamwidth.
GdB =75dB , f = 15GHz λ = 3*10^8/(15*10^9) = 0.02 m 75= 10logG G = 31622776.6 Now, Capture Area = Directivity(G)* λ^2/4π Ae = …