Antena Mikrostrip Array 8x2 Elemen untuk Aplikasi Radio Gelombang Mikro

SYAH ALAM, INDRA SURJATI, LYDIA SARI, JUSTIN TANUWIJAYA

Sari


ABSTRAK

Peningkatan gain pada antena mikrostrip polarisasi melingkar menggunakan metode array 8x2 element diusulkan dalam penelitian ini. Antena yang diusulkan dirancang untuk bekerja pada rentang frekuensi 10700 – 11700 MHz untuk sistem komunikasi radio gelombang mikro. Untuk meningkatkan gain, antena yang diusulkan di optimasi menggunakan array dengan 8x2 elemen. Dari hasil pengukuran diperoleh nilai return loss -22.77 dB dan VSWR sebesar 1.156. Bandwidth yang dihasilkan dari antena array 8x2 elemen adalah 900 MHz dengan rentang frekuensi kerja 10700 MHz -11600 MHz serta impedansi sebesar 55.87 + j 4.97 Ω pada frekuensi kerja 10925 GHz. Gain dari antena array 8x2 elemen adalah 15.6 dB pada frekuensi kerja 10925 MHz. Optimasi dengan metode array 8x2 elemen berhasil meningkatkan Gain sampai dengan 47.76 % dibandingkan dengan desain array 4x2 element. Antena yang diusulkan cocok dijadikan kandidat untuk digunakan pada sistem komunikasi radio gelombang mikro.

Kata kunci: antena, mikrostrip, gain, array, radio gelombang mikro

 

ABSTRACT

Gain optimization on a circular polarization microstrip antenna using the 8x2 element array method is proposed in this study. The proposed antenna is designed to work in the frequency range 10700 - 11700 MHz for microwave radio communication systems. To increase the gain, the proposed antenna is optimized using an array with 8x2 elements. From the measurement results obtained return value of -22.77 dB and VSWR of 1,156. The Bandwidth produced from the 8x2 element antenna array is 900 MHz with a working frequency range of 10700 MHz - 11600 MHz and an impedance of 55.87 + j 4.97 Ω at a working frequency of 10925 MHz. The gain of the 8x2 element array antenna is 15.6 dB at a working frequency of 10925 MHz. Optimization with the 8x2 element array method succeeded in increasing Gain by up to 47.76% compared to the 4x2 element array design. The proposed antenna is suitable as a candidate for use in microwave radio communication systems.

Keywords: microstrip, antenna, gain, array, microwave radio


Kata Kunci


antena; mikrostrip; gain; array; radio gelombang mikro

Teks Lengkap:

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Referensi


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DOI: https://doi.org/10.26760/elkomika.v9i2.293

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