D

A.-3.9 dB

1.5

1.4

1.3

1.2

1.1

1

C.-8.7 dB

0.9

0.8

0.7

0.6

0.4

0.3

0.2

0.1

Figure 1. An antenna's directivity when = 60° is shown. The antenna's radiation efficiency is 30%. The antenna's

magnitude of voltage reflection coefficient is 0.3. The maximum directivity for the entire antenna pattern is 1.5. The

frequency of operation is 20 GHz.

0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180

9 [deg]

1. (25 points). Using Figure 1, select using Canvas the answer (i.e. A, B, C, or D) below that best represents the antenna

realized gain, Grealized, in the direction 0 = 35° and = 60°?

B. 1.5 dB

D. 0.5 dB