scholarly journals Antena Mikrostrip Array 8x2 Elemen untuk Aplikasi Radio Gelombang Mikro

2021 ◽  
Vol 9 (2) ◽  
pp. 293
Author(s):  
SYAH ALAM ◽  
INDRA SURJATI ◽  
LYDIA SARI ◽  
JUSTIN TANUWIJAYA
Keyword(s):  
Microstrip Antenna ◽  
Communication Systems ◽  
Return Loss ◽  
Frequency Range ◽  
Radio Communication ◽  
Measurement Results ◽  
Microwave Radio ◽  
Working Frequency ◽  
Element Array ◽  
Return Value

ABSTRAKPeningkatan 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 ABSTRACTGain 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

scholarly journals Perancangan dan Realisasi Antena Mikrostrip Log Periodik dengan Elemen Parasitik Air Gap untuk Aplikasi TV Digital DVB-T2

2019 ◽  
Vol 7 (2) ◽  
pp. 324
Author(s):  
INDRA SURJATI ◽  
SYAH ALAM ◽  
YULI KURNIA NINGSIH
Keyword(s):  
Microstrip Antenna ◽  
Return Loss ◽  
Digital Tv ◽  
Air Gap ◽  
Frequency Range ◽  
Parasitic Element ◽  
Measurement Results ◽  
Working Frequency

ABSTRAKPenelitian ini mengusulkan desain dan prototipe antena mikrostrip log periodik yang dikembangkan dengan metode parasitik air gap (celah udara) untuk aplikasi TV digital pada rentang frekuensi 478-694 MHz. Penggunaan elemen parasitik dengan celah udara bertujuan untuk meningkatkan nilai gain pada antena. Dari hasil pengukuran diperoleh nilai return loss sebesar -20.27 dB dan VSWR sebesar 1.31 pada frekuensi kerja 600 MHz. Bandwidth yang dihasilkan dari antena yang telah dipabrikasi adalah 273 MHz dengan rentang frekuensi kerja 461 MHz – 734 MHz. Gain yang dihasilkan dari antena mikrostrip log periodik dengan elemen parasitik adalah 16.67 dB pada frekuensi kerja 600 MHz atau meningkat 40.02 % dibandingkan dengan log periodik konvensional yang telah didesain sebelumnya. Dari keseluruhan hasil yang diperoleh maka dapat disimpulkan bahwa antena yang diusulkan dapat digunanakan sebagai antena penerima untuk aplikasi TV Digital di Indonesia.Kata kunci: antena, mikrostrip, log periodik, parasitik, celah udara ABSTRACTThis study proposes the design and prototype of log periodic microstrip antenna which was developed using the parasitic air gap for digital TV applications with a frequency range of 478-694 MHz. The use of parasitic elements with air gap aims to increase the gain of the antenna. From the measurement results, proposed antenna obtained return loss of -20.27 dB and VSWR of 1.31 at the working frequency of 600 MHz. The bandwidth produced from proposed antenna is 273 MHz with a working frequency range of 461 MHz - 734 MHz. The gain generated from log periodic microstrip antenna with parasitic element is 16.67 dB at the working frequency of 600 MHz or increased 40.02 % compared with conventional log periodic that have been designed before. From the overall results obtained, it can be concluded that the proposed antenna can be used as receiver antenna for Digital TV applications in Indonesia.Keywords: antenna, microstrip, log periodic, parasitic, air gap

scholarly journals Bi-Ellipse Microstripline Antenna Array Varians

2021 ◽  
Author(s):  
Putu Artawan
Keyword(s):  
Reflection Coefficient ◽  
Antenna Array ◽  
Standing Wave ◽  
Microstrip Antenna ◽  
Communication Systems ◽  
Return Loss ◽  
Voltage Standing Wave Ratio ◽  
Frequency Range ◽  
X Band ◽  
Working Frequency

The objectives of this research include obtaining and verifying the impedance formula of the designed bi-ellipse microstrip antenna and correlating the results obtained through simulation and experimentation. The research also aims to obtain the structure and dimensions that provide optimal characteristics of the designed bi-ellipse microstrip antenna and produce a prototype at S, C and X-Band frequencies. This research produced the structure and dimensions of a bi-ellipse microstrip antenna that provide optimal characteristics of antenna. The characteristics results of the antenna parameters in this research include a 8x2 array, with a bandwidth value of around 100.0 MHz obtained at a working frequency of 7.09GHz (7.04 GHz - 7.14 GHz), with a reflection coefficient value of 0.02, Voltage Standing Wave Ratio (VSWR) of 1.06, return loss of −30.00 dB and a gain of 7.30 dB. For the 8x4 array, a bandwidth value of approximately 210.0 MHz is obtained at a working frequency range of 2.85GHz, which ranges from 2.74GHz - 2.95GHz, with a reflection coefficient value of 0.04, Voltage Standing Wave Ratio (VSWR) of 1.09, return loss of −27.06 dB and a gain of 8.19 dB. The results presented above fulfill the indicators of good antenna characteristics parameters applicable to radar communication systems.

scholarly journals Wide Band Parasitic Microstrip Antenna using Multiple Feedline for Mobile Communication

2019 ◽  
Vol 9 (1) ◽  
pp. 1887-1891
Keyword(s):  
Mobile Communication ◽  
Communication System ◽  
Microstrip Antenna ◽  
Return Loss ◽  
Wide Band ◽  
Frequency Range ◽  
Optimal Bandwidth ◽  
Feed Line ◽  
Measurement Results ◽  
Working Frequency

his paper proposes design of parasitic microstrip antenna with multiple feed line for mobile communication applications at range frequency of 1800 – 2100 MHz. The purpose of adding multiple feed line is to enhanced the bandwidth of the proposed antenna. The multiple feed line used has an impedance of 100 Ohm and is placed on the edge of the patch parasitic microstrip antenna. The optimal bandwidth of the microstrip antenna is obtained by adjusting the dimensions and position of the multiple feed line. From the measurement results obtained return loss of -14.91 dB, VSWR of 1.44 at working frequency of 1800 MHz and bandwidth of 427 MHz with a frequency range 1715 MHz - 2142 MHz. . From these results it can be concluded that the banwidth of proposed antenna has met the criteria to be used in a mobile communication system.

scholarly journals Design and Implementation of Planar Fourtear Microstrip Antenna for WLAN and WiMAX Applications

2016 ◽  
Vol 16 (1) ◽  
pp. 20
Author(s):  
Ken Paramayudha ◽  
Yuyu Wahyu ◽  
Aprilia Pustpita Sari ◽  
Heroe Wijanto
Keyword(s):  
Finite Element ◽  
Radiation Pattern ◽  
Microstrip Antenna ◽  
Return Loss ◽  
Radiation Patterns ◽  
Frequency Range ◽  
Design And Implementation ◽  
Working Frequency

In this paper, the microstrip planar fourtear antenna that operate at frequency range 2300 – 2500 MHz was investigated, Some applications suitable to operate in this frequency are WiMAX at 2.3 and 2.5 GHz and WLAN at 2.4 GHz. Simulations performed with the aid of Finite Element Emthod (FEM) based software which can calculte and comply the appropriate design to be able to operate at the desired working frequency. The analyzed parameters include : SWR, impedance, return loss, radiation patterns, gain, and polarization. From the measurement, bandwidth obtained is equal to 7.69% in the frequency range of 2318,250-2500 MHz in VSWR < 2. Radiation pattern measurement was unidirectional and the polarization was elliptical.

scholarly journals Circle Microstrip Antenna Simulation for Frequency 3.5 GHz

2021 ◽  
Vol 1 (1) ◽  
pp. 1-4
Author(s):  
Wildan Wildan ◽  
Dwi Astuti Cahyasiwi ◽  
Syah Alam ◽  
Mohd Azman Zakariya ◽  
Harry Ramza
Keyword(s):  
Dielectric Constant ◽  
Patch Antenna ◽  
Microstrip Antenna ◽  
Microstrip Line ◽  
Return Loss ◽  
Tangent Loss ◽  
Substrate Thickness ◽  
Total Radiation ◽  
Circular Patch Antenna ◽  
Working Frequency

This research proposed microstrip circular patch antenna simulation at a working frequency 3500 MHz. The antenna has been designed using a Duroid RT5880 substrate with dielectric constant (εr) = 2.2, substrate thickness (h) = 1.575 mm, and tangent loss = 0.0009 with microstrip line feeding. The simulation result, return loss value obtained -26.385, VSWR value 1.09, gain value 7.64 dBi, total radiation efficiency value -0.6489 dB, and bandwidth value 72 MHz (3468.8 MHz – 3541.9 MHz).

Design of an Ultra-Wideband Wilkinson Power Divider in Modern Electronic Engineering

2015 ◽  
Vol 713-715 ◽  
pp. 1048-1051
Author(s):  
Xin Cao ◽  
Zong Xi Tang
Keyword(s):  
Communication Systems ◽  
Ultra Wideband ◽  
Power Divider ◽  
Frequency Range ◽  
Resonance Property ◽  
Electronic Engineering ◽  
Quarter Wavelength ◽  
Working Frequency ◽  
Wilkinson Power Divider ◽  
Good Agreement

In this paper, an ultra-wideband Wilkinson power divider based on the quarter wavelength transformation is proposed. The proposed power divider utilizes the resonance property of the four stage quarter wavelength microstrip stubs to increase the isolation between the to output ports. As the measured results show that, the power divider has the insertion loss less than 1.3dB with the minimum isolation 15.4dB in the working frequency range from 1GHz to 5GHz. The simulated results and measured results are in good agreement and the proposed power divider can be applied in the communication systems in modern electronic engineering.

scholarly journals Fabrication of Hybrid Fractal Microstrip Antenna for Mobile and Wi-Max Applications

2019 ◽  
Vol 8 (11) ◽  
pp. 3373-3377
Keyword(s):  
Mobile Applications ◽  
Microstrip Antenna ◽  
Return Loss ◽  
Test Bench ◽  
Ground Plane ◽  
Low Frequency ◽  
Frequency Range ◽  
Radiation Characteristics ◽  
Directional Radiation ◽  
Feeding Technique

This paper presents the fabrication of an octagonal fractal hybrid micro strip radiator patch antenna that operates over a frequency range of 1.5 GHz to 2GHz suitable for low frequency wireless and mobile applications. The radiator has a dimension of 85x85mm2 on the radiating side and 100x86mm2 ground plane. The model is fabricated on Fire Redundant4 substrate with thickness of 1.6mm over a 10x10mm2 dimension and uses coaxial feeding technique. The model is tested for its performance in the range of 1.5 to 2 GHz on the radiator test bench consists of MIC10 antenna trainer kit with an allowable frequency of up to 2GHz. The radiation characteristics shown are having good return loss and average gain of 39dB with omni directional radiation pattern. The size is to be optimized as the dimensions are very large compared to the usual requirements.

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