DESAIN ANTENA MIKROSTRIP SLOT U UNTUK WLAN FREKUENSI KERJA 2.4 GHz
Keywords:
Antena mikrostrip, WLAN, Slot U, CST Studio Suite.Abstract
Dalam karya ini telah dirancang antena mikrostrip menggunakan slot U dengan frekuensi tunggal 2,441 GHz untuk aplikasi WLAN. Antena dirancang menggunakan coplanar ground, feedline dan slot pada patch. Dengan memperpanjang dan memperlebar slot dapat mengubah nilai frekuensi resonansi sesuai dengan yang diharapkan, sedangkan memvariasikan ukuran ground plane dapat mengubah nilai bandwidth dan nilai return loss. Antena dirancang pada Substrate FR-4, berukuran 25 mm x 30 mm, yang memiliki konstantan dielektrik (er ) 4,7, Dielectric Loss Tangent ( tan 8) 0,02 dan ketebalan substrate 1,6 mm. antena yang dirancang disimulasikan menggunakan software CST Studio Suite . Hasil simulasi didapatkan pita frekuensi kerja 2,3436 GHz – 2,5278 GHz, return loss -32, 27 dB dengan frekuensi resonansi 2,441 GHz, bandwidth 184,2 MHz, VSWR 1,049, gain 1,66 (dBi), impedansi 51,91 (ohm), dan polaradiasi omnidirectional.
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Indonesian Society of Applied Science (ISAS)
