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PEMBUATAN ANTENA WAJANBOLIC

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74<br />

Sehingga nilai directivity dicari dengan perhitungan :<br />

Atau jika dalam satuan decibel (dB) :<br />

D( dB)<br />

10log<br />

D<br />

Tabel 4.3 Directivity pada antena wajanbolic<br />

No<br />

Diameter<br />

Antena Wajanbolic Directivity<br />

1 40 cm 21,4 dB<br />

2 60 cm 30,2 dB<br />

Gambar 4.21 Pengukuran directivity<br />

(4-2)<br />

(4-3)

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