Question
Asked Dec 19, 2019
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A pyramidal horn antenna operating at 4 GHz has a power gain of 25 dB a d width of 10 cm. Calculate aperture height.

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Expert Answer

Step 1

Power gain of a pyramidal horn antenna can be expressed as

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4.5hW Ap >(1) h= Aperture height W = Aperture width 2= Wavelength of radiation

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Step 2

Given the frequency of operation f Hz, the corresponding wavelength of operation becomes

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3×10$ 2= m

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Step 3

In this case, since the value of the operating frequency is 4 GHz, the value of the operating wavelength will b...

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3x10 = 0.075 m 4x10°

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