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Jurnal Elektronika dan Telekomunikasi

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Published by Lembaga Ilmu Pengetahuan Indonesia

ISSN : 14118289 EISSN : 25279955 DOI : -

Core Subject : Engineering,

Electrical & Electronics Engineering Engineering

Jurnal Elektronika dan Telekomunikasi (JET) is an open access, a peer-reviewed journal published by Research Center for Electronics and Telecommunication - Indonesian Institute of Sciences. We publish original research papers, review articles and case studies on the latest research and developments in the field of electronics, telecommunications, and microelectronics engineering. JET is published twice a year and uses double-blind peer review. It was first published in 2001.

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Articles 470 Documents

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Antena Array Mikrostrip Dual Beam Untuk Aplikasi Sensor Radar Doppler Daud, Pamungkas; Andayani, Niluh Sri
Jurnal Elektronika dan Telekomunikasi Vol 13, No 1 (2013)
Publisher : Indonesian Institute of Sciences

Sekarang ini jumlah kendaraan meningkat dengan pesatnya, sementara sarana jalan masih tertinggal baik pertambahannya maupun kualitas jalan serta pemeliharaan, menyebabkan kemacetan lalu lintas sering terjadi dan jumlah kecelakaan kendaraan meningkat pula. Pengontrolan lalu lintas yang baik sangat dibutuhkan untuk efisiensi dan meningkatkan keselamatan pengguna jalan. Sebuah sensor radar doppler dapat digunakan untuk mendeteksi laju kecepatan relatif kendaraan, yakni antara mobil dan obstacle sehingga dapat digunakan untuk menghindari terjadinya kecelakaan dan dapat memantau kepadatan lalu lintas yang terjadi. Radar dirancang untuk kemudahan navigasi dan bisa digunakan untuk mendeteksi kecepatan suatu benda yang bergerak dengan cara mendeteksi energi dari suatu benda yang bergerak tersebut sekaligus menentukan posisinya. Dalam tulisan ini dibahas mengenai desain dan implementasi antena yang mampu mendukung aplikasi sensor radar doppler. Antena ini dirancang menggunakan antena mikrostrip dual beam yang bekerja pada frekuensi 10 GHz. Software yang digunakan untuk perancangan dan simulasi antena ini adalah Ansoft HFSS 10. Penelitian ini dimulai dengan menghitung dimensi antena sesuai rumus yang ada. Dimensi hasil perhitungan akan digunakan pada proses simulasi. Modifikasi dimensi antena digunakan sebagai cara untuk mendapatkan hasil yang optimum dalam simulasi, kemudian dimensi optimum tersebut digunakan dalam proses pabrikasi. Spesifikasi antena yang dibuat memiliki karakteristik bekerja pada frekuensi 10 GHz dengan bandwidth 60 MHz pada VSWR ≤ 1,5, serta memiliki gain sebesar 12,42 dBi.

Front Cover Vol. 17 No. 1 Hermida, I Dewa Putu
Jurnal Elektronika dan Telekomunikasi Vol 17, No 1 (2017)
Publisher : Indonesian Institute of Sciences

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Design and Implementation of Planar Fourtear Microstrip Antenna for WLAN and WiMAX Applications Paramayudha, Ken; Wahyu, Yuyu; Sari, Aprilia Pustpita; Wijanto, Heroe
Jurnal Elektronika dan Telekomunikasi Vol 16, No 1 (2016)
Publisher : Indonesian Institute of Sciences

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.

Preface Vol 14 No 2 Wael, Chaeriah Bin Ali
Jurnal Elektronika dan Telekomunikasi Vol 14, No 2 (2014)
Publisher : Indonesian Institute of Sciences

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Preface Vol 15 No 2 Miftahushudur, Tajul
Jurnal Elektronika dan Telekomunikasi Vol 15, No 2 (2015)
Publisher : Indonesian Institute of Sciences

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Front Cover Vol 13 No 2 Wael, Chaeriah Bin Ali
Jurnal Elektronika dan Telekomunikasi Vol 13, No 2 (2013)
Publisher : Indonesian Institute of Sciences

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Design of 3-stages Parallel Cascade Micro-ring Resonator Type of Interleave Filter for Optical Communication Application Maulana, Yudi Yuliyus; Mahmudin, Dadin
Jurnal Elektronika dan Telekomunikasi Vol 15, No 2 (2015)
Publisher : Indonesian Institute of Sciences

Filter will be one of the most important components of the next generation of optical communications. Micro-ring resonators have been widely studied as a potential device for dense wavelength filter due to its advantages. In this paper, a waveguide-based microring-resonator type of interleave filter is investigated. The cascade structure is applied to obtain better characteristics of filter spectra. Our calculation shows that, compared with 2-stage or 4-stage cascade, 3-stage cascaded microring resonator has better performance with pass-band width of 22 GHz, ripple ratio < 1 dB, crosstalk of -33 dB for 1×2 interleaver and -24 dB for 1×4 interleaver. Numerical calculation also clearly shows that general optical waveguide types is reasonable as microring resonator with insertion loss < 2 dB

Microstructures, Magnetic Properties and Microwave Absorption Characteristics of Ti2+ -Mn4+Substituted Barium Hexaferrite Manawan, Maykel; Manaf, Azwar; Soegijono, Bambang; Hercuadi, Asep Yudi
Jurnal Elektronika dan Telekomunikasi Vol 14, No 1 (2014)
Publisher : Indonesian Institute of Sciences

The effect of Ti2+-Mn4+substitution on microwave absorption has been studied for BaFe12-2xTixMnxO19 ferrite, where x varies from 0.2, 0.4, 0.6 and 0.8.Ti2+-Mn4+ ions were obtained from TiO and MnO2 precursors which were mechanically alloyed together with BaCO3 and Fe2O3 precursors. X-ray diffraction (XRD) patterns for sintered samples confirmed that the materials are consisted with single phase BHF structure. Unit cell volume and crystallite size was found increase with increasing x. Crystallite size for all samples below 70 nm, but the grain morphology shown that the grains is in range of 200 - 400 nm, which concluded that each grain are polycrystalline. The saturation magnetization is increases up to x = 0.4 and decrease for higher x values, while the coercivity remains decreases monotonically. These results were interpreted in terms of the site preferential occupation of Ti2+ and Mn4+ at low level substitution.These substitution revealed of enhanced reflection loss (RL) up to 25 dB forx=0.6.It suggested that the synthesized can be employed as effective microwave absorbers in various devices.

Polyaniline as Novel Polymer Materials for Dry Electrode- Based Electrocardiography (ECG) Prima, Jeffry Omega; Pamungkas, Bayu; -, Nugraha; -, Suprijanto
Jurnal Elektronika dan Telekomunikasi Vol 18, No 1 (2018)
Publisher : Indonesian Institute of Sciences

Electrocardiography (ECG) has been instrumental for early detection of cardiovascular anomalies. In this research, we successfully prototyped and evaluated the performance of a novel dry electrode as ECG sensor. Copper was selected as dry electrode material due to its good balance between conductivity and affordability. Polyaniline was used as a conductive coating to facilitate the conversion of ionic currents from the human body into electrical currents in electronic circuits. The coating was carried out via electrodeposition technique. Optimal electrodeposition time of 20 min using acetic acid as a dopant was established. This yields in the dry electrode with comparable performance to the certified wet electrode currently available in the market, shown by PQRST signal correlation between dry electrodes (this study) and the wet electrode (benchmark) which is close to zero. The dry electrode prototyped in this study is characterized to have a conductivity of 7 x 10 -4 S/mm, a resistance of 10 Ω, capacitive reactance of 140 Ω, and excellent signal stability showing a value of 256.5 μV consistently for 2 hours.

Desain Antena Hexagonal Patch Array Berbasis Sistem Transfer Daya Wireless pada Frekuensi 2,4 GHz R. A. K., Herma Nugroho; P., Sholeh Hadi; Yudaningtyas, Erni
Jurnal Elektronika dan Telekomunikasi Vol 15, No 2 (2015)
Publisher : Indonesian Institute of Sciences

Pada penelitian ini telah didesain antena hexagonal patch array yang dapat digunakan sebagai perangkat catu daya wireless. Antena hexagonal patch array ini didesain untuk menangkap gelombang radio (RF) pada frekuensi 2,4 GHz yang dapat diaplikasikan sebagai antena pada Wireless Local Area Network (WLAN). Desain antena dilakukan menggunakan software CST Microwave studio, kemudian dilakukan pabrikasi dan pengukuran secara riil. Parameter pengujian antena hexagonal patch array meliputi return loss, Voltage Standing Wave Ratio (VSWR), gain, bandwidth, dan daya. Metode yang digunakan adalah pemodelan transmission line dan corporate feed line untuk pengaturan perubahan jarak antar patch antena. Perubahan variabel juga diteliti pengaruhnya terhadap parameter antena khususnya daya terima antena yang kemudian ditransmisikan ke rangkaian power harvester. Nilai parameter antena hasil simulasi menunjukkan nilai return loss adalah -33,38 dB, VSWR sebesar 1,041, gain sebesar 8,81 dBi, bandwidth adalah 0,084 GHz, daya sebesar 0,499 W (-3 dBm). Sedangkan parameter hasil pengukuran dari antena yang telah dipabrikasi adalah nilai return loss sebesar -33,21 dB, VSWR sebesar 1,048, gain sebesar 5 dBi, bandwidth adalah 0,145 GHz, daya sebesar -33 dBm.

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Home Page

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Contact Name
Dayat Kurniawan

Contact Email
Dayat Kurniawan

Phone
-

Journal Mail Official
redaksi@jurnalet.com

Editorial Address
-

Location
Kota adm. jakarta selatan,

Dki jakarta

INDONESIA