RANCANG BANGUN ANTIPODAL VIVALDI ANTENNA DENGAN LENSA HALF-SPHERICAL

PUTRA, DODDY CAHYO (2019) RANCANG BANGUN ANTIPODAL VIVALDI ANTENNA DENGAN LENSA HALF-SPHERICAL. S1 thesis, Universitas Mercu Buana Jakarta.

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Abstract

Telecommunication move forward into the newest era of its this 2019, human needs of telecommunication lately growing fast more than just Short Message Service and phone call. Internet usability also integrated with almost every aspects of human life, telecommunication, information, medical, politic, military and also entertainment. Due to that facts the next generation of telecommunication need to provide a big and high-end link to cover that issues up. 5G will be presented officially this year in several countries, which that system requires a support from another telecommunication aspect, either software / logical and hardware / physical needs to work in harmony and integrated. One of fundamental item shall be Antenna. Antenna is a hardware which transmit and also receive electromagnetic pulse, also it has several characteristics and type. 5G’s frequency considered work in higher frequency (due to lack of bandwidth space in existing band), hence the desain and type of the antenna need to be exact as it said before. Millimetre-wave antenna is one of several option that many countries researched and developed, low-profile, easy to build and also has a lower cost production. Related to main topic, in this thesis will be explained more about design and measurement of Antipodal Vivaldi Antenna, its dimension will be 20x20 mm caused by the requirement of its frequency (26.5 – 40 GHz), substrate FR4-Epoxy will be deployed as its based and combined with Half-Spherical Lens. The Results of this research elaborating that this antenna is good and ready enough to works in 5G system. Antenna itself (without lens) produced an optimize return loss -37.54 dB. The combination with Lens 1 (L1) unpredictably reaches higher value in -38.57 dB. Last session is the combination V1 with L2 which also deliver a quite good result as it stands in -34.82 dB. Lenses has a main role to optimize return loss, increase antenna gain and also focusing its polarization. Keywords: Antena Vivaldi, Antipodal, Half-Spherical Lens Telekomunikasi bergerak sudah akan memasuki era barunya pada tahun 2019 ini, kebutuhan manusia akan telekomunikasi dewasa ini tidak hanya sebatas Short Messasge Service (SMS) dan telepon. Penggunaan Internet-pun semakin bervariatif dalam segala aspek kehidupan mulai dari komunikasi, informasi, kesehatan, politik, militer hingga hiburan. Berdasarkan fakta tersebut generasi telekomunikasi yang selalu berkembang harus mampu mewadahi kebutuhan tersebut. Maka 5G atau generasi terbaru dari sistem telekomunikasi bergerak hadir dan akan dikomersilkan pada tahun ini, sistem 5G membutuhkan bantuan dari perangkat telekomunikasi lainya, salah satunya adalah antena. Antena merupakan piranti untuk mengirim dan menerima sinyal, memiliki berbagai macam tipe dan karakteristik. 5G diproyeksikan akan menggunakan rentan frekunesi yang lebih tinggi (dikarenakan keterbatasan bandwidth yang ada saat ini), karena itu diperlukan antena yang memiliki desain sesuai dengan hal tersebut. Antena millimetrewave adalah salah satu pilihan yang ada, mudah, murah serta telah diteliti dibeberapa negara. Berkaitan dengan penjelasan di atas maka pada tugas akhir ini akan dirancang suatu antenna yang memiliki karakteristik sesuai. Penulis memilih untuk merancang sebuah Antipodal Vivaldi Antenna yang berdimensikan 20x20 mm terkait kebutuhan frekuensi yang sangat tinggi pada rentan frekuensi 26.5 – 40 GHz, memiliki susbstrate FR4-Epoxy dan akan dikombinasikan dengan penggunaan lensa berbentuk Half-Spherical. Hasil dari penelitian ini antenna yang dirancang dan diuji memiliki karakteristik sebagai berikut, antena tanpa lensa memiliki nilai s11 yang optimal pada nilai -37.54 dB, disaat ditambahkan lensa dalam pengukuran (L1 dan L2), nilai antenna dengan L1 memiliki keungguan lebih baik dalam s11 yaitu -38.57 dB. Pengujian pada antenna dengan L2 juga memiliki hasil yang bagus -34.82 dB. Peran lensa sangat membantu terkait nilai return loss, Antenna gain & pola radiasinya. Kata kunci: Antena Vivaldi, Antipodal, Half-Spherical Lens

Item Type: Thesis (S1)
Call Number: ST/14/19/032
NIM: 41414120019
Uncontrolled Keywords: Antena Vivaldi, Antipodal, Half-Spherical Lens
Subjects: 600 Technology/Teknologi > 620 Engineering and Applied Operations/Ilmu Teknik dan operasi Terapan
600 Technology/Teknologi > 620 Engineering and Applied Operations/Ilmu Teknik dan operasi Terapan > 621 Applied Physics/Fisika terapan
600 Technology/Teknologi > 620 Engineering and Applied Operations/Ilmu Teknik dan operasi Terapan > 621 Applied Physics/Fisika terapan > 621.3 Electrical Engineering, Lighting, Superconductivity, Magnetic Engineering, Applied Optics, Paraphotic Technology, Electronics Communications Engineering, Computers/Teknik Elektro, Pencahayaan, Superkonduktivitas, Teknik Magnetik, Optik Terapan, Tekn
Divisions: Fakultas Teknik > Teknik Elektro
Depositing User: Dede Muksin Lubis
Date Deposited: 26 Jun 2019 04:16
Last Modified: 26 Jun 2019 04:16
URI: http://repository.mercubuana.ac.id/id/eprint/49133

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