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Jurnal Elektronika dan Telekomunikasi
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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Front Cover Vol. 21 No. 2 Yahya Syukri Amrullah
Jurnal Elektronika dan Telekomunikasi Vol 21, No 2 (2021)
Publisher : LIPI Press

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Abstract

Efek Kopling pada Filter Metamaterial Coplanar Waveguide Menggunakan SRRs Persegi Panjang Horizontal A. A. Fathnan; Taufiqqurrachman .; Y. N. Wijayanto; D. Mahmudin; P. Daud
Jurnal Elektronika dan Telekomunikasi Vol 15, No 1 (2015)
Publisher : LIPI Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jet.v15.18-22

Abstract

Dalam penelitian ini telah dilakukan pembuatan filter gelombang mikro menggunakan teknologi coplanar waveguide (CPW) yang dibebani dengan struktur metamaterial. Struktur metamaterial tersebut terdiri dari sepasang resonator cincin terbelah (split ring resonators/SRRs) berbentuk persegi panjang yang dicetak di belakang substrat dielektrik. Sementara itu, CPW dicetak dengan tambahan konektor kecil tepat di atas SRRs tersebut. Variasi panjang dan lebar dari SRRs persegi panjang (horizontal dan vertikal) telah dilakukan untuk melihat efek dari kopling antara saluran transmisi CPW ke SRRs. Variasi jarak antara sel-sel resonator (SRRs) juga telah disimulasikan untuk melihat efek dari kopling antara sel-sel yang berdekatan. Analisis dengan simulasi elektromagnetik dan data dari eksperimen telah menunjukkan bahwa kinerja bandwidth filter yang berbeda telah ditemukan dengan merubah struktur SRRs maupun dengan merubah jarak antara sel-sel resonator (SRRs). Telah ditemukan pula bahwa kontribusi yang signifikan dari kopling antara CPW ke SRRs menunjukkan bahwa SRRs persegi panjang horizontal dapat dimanfaatkan untuk meningkatkan performa filter. Hasil penelitian ini dapat digunakan untuk menganalisis konfigurasi geometris SRRs yang memberikan optimalisasi praktis paling baik untuk pembuatan filter metamaterial CPW.
Analysis of Thermal Treatment Zirconia as Spacer Layer on Dye-Sensitized Solar Cell (DSSC) Performance with Monolithic Structure Chairil Anwar; Erlyta Septa Rosa; Shobih Shobih; Jojo Hidayat; Dahlang Tahir
Jurnal Elektronika dan Telekomunikasi Vol 18, No 1 (2018)
Publisher : LIPI Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jet.v18.21-26

Abstract

Monolithic dye-sensitized solar cells (DSSC) offer the prospect of lower material cost and require a simpler manufacturing process compared with conventional DSSC. Fabricated on a single fluorine tin oxide (FTO) glass substrate consists of a nanoporous TiO2 photoanode layer, a ZrO2 spacer layer, a carbon counter electrode layer, a dye, and an electrolyte. The spacer layer on the monolithic DSSC serves as electrolyte storage and insulating layer to separate between photoanode and counter electrode. Zirconia is often used as a spacer because it has high temperature resistant properties, high dielectric constant and adhesive as an insulator that has band gap between 5-6 eV. The effects of the thermal treatment of zirconia layer as a spacer electrolyte on the performance of monolithic DSSC have been investigated. The cell’s performance increases with the sintering temperature as well as indicated by the decreased in particle size and increased in quantum efficiency in the absorption region of the titania layer. Co-sintering treatment tends to drastically reduce cell’s performance. The highest performance was obtained at a temperature sintering of 500o C with an PCE of 0.22%, Isc = 0.16 mA and Voc = 0.71 V.
Back Cover Vol. 16 No. 1 Chaeriah Bin Ali Wael
Jurnal Elektronika dan Telekomunikasi Vol 16, No 1 (2016)
Publisher : LIPI Press

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Abstract

Optimization of Low Site Density Area for 4G Network in Urban City Hajiar Yuliana; Sofyan Basuki; Salita Ulitia Prini
Jurnal Elektronika dan Telekomunikasi Vol 21, No 2 (2021)
Publisher : LIPI Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jet.v21.98-103

Abstract

The development of telecommunications is currently growing rapidly, especially in urban areas. To obtain optimal data services for users, the performances of 4G network services must continue to be optimized. It is known that many users are scattered in urban areas, but sometimes it is not balanced with an even distribution of the site in this area. This condition occurs because the distribution of the site is not evenly optimal distributed, either due to licensing constraints, limited land access for site development, or in terms of plans that have not been made. Balanced with the requirement of a 4G network, which is required, this "empty space" condition or low site density condition must find a solution or optimize it. Many optimization methods can optimize the area with low site density possibility. This study will optimize the area by adding a new site proposal based on coverage planning. We need to analyze Reference Signal Received Power (RSRP) coverage signal distribution using Atoll Planning Software. After optimization, the RSRP level below or equal -80 dBm increased from 75.195% to 94.08%. Furthermore, the percentage calculation for inadequate coverage (below -80 dBm) decreased from 24.816% to 5.931%. This RSRP signal level also shows that the condition after optimization with a new site can improve the signal level condition from areas with low site density possibility.
Back Cover Vol 14 No 2 Chaeriah Bin Ali Wael
Jurnal Elektronika dan Telekomunikasi Vol 14, No 2 (2014)
Publisher : LIPI Press

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Abstract

Antena Patch Array untuk Portable Coastal Radar pada Frekuensi S-Band Folin Oktafiani; Yussi Perdana Saputera
Jurnal Elektronika dan Telekomunikasi Vol 13, No 1 (2013)
Publisher : LIPI Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jet.v13.18-22

Abstract

Penelitian ini bertujuan untuk mendesain antena Portabel Coastal Radar yang bekerja pada frekuensi S-band dengan frekuensi tengah 3 GHz. Jenis antena yang digunakan adalah antena patch mikrostrip. Satu modul antena terdiri dari 4 patch yang di-array secara horisontal dan dicatu dengan menggunakan konektor SMA. Bahan yang digunakan untuk mendesain antena adalah FR4 dengan ketebalan substrat 3,2 mm serta memiliki nilai r= 4,3. Bandwidth yang diperoleh dari hasil simulasi satu modul antena sebesar 80,1 MHz untuk nilai VSWR ≤ 1,5 di mana sudah memenuhi spesifikasi antena yang diinginkan. Hasil simulasi beamwidth horisontal dan gain satu modul antena secara berturut-turut yaitu 37° dan 8,049 dB. Untuk mendapatkan beamwidth horisontal <1° maka satu modul antena di-array secara horisontal sebanyak 30 buah sehingga panjang keseluruhan antena menjadi 3600 mm. Beamwidth horisontal antena array hasil simulasi diperoleh sebesar 0,9° sedangkan gain antena meningkat menjadi 21,11 dB.
A Simple Real-Time Energy Analytics Model for Smart Building Using Open IoT Platforms Muhammad Nasar; Novendra Setyawan; Amrul Faruq; Indah Sulistiyowati
Jurnal Elektronika dan Telekomunikasi Vol 19, No 2 (2019)
Publisher : LIPI Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jet.v19.83-90

Abstract

Monitoring energy in buildings can ease us to have a better understanding of electricity consumption patterns to support efficiency and avoid potential damages. However, indoor installations are mostly unmonitored because their panel meters are usually difficult to access. Yet, indoor maintenance tends to be more difficult since the cables are inside the wall, ceiling, or concrete. Internet of Things and big data analytics can be used to track electricity usage either in residential, commercial, or industrial buildings. This paper presents how a simple real-time energy data analytics was built at a low cost and high accuracy to inspect energy fluctuations, anomaly, and its significant pattern. We proposed 3 layers of architecture namely acquisition, transportation, and application management. An electronic module named PZEM004T was used to sense voltage, current, and other electrical parameters. Through a microcontroller ESP8266, the data was processed and sent it to an application layer via an existing wireless network. The actual and historical data of electricity were visualized on high-resolution graphs. The experiment was conducted at our office building. The experimental results showed that data of electrical energy usage can be captured close to realtime and power anomaly and pattern can be figured. Performance and functionality testing showed acceptable use of this system with more than 99% accuracy. This system is intended to empower building managers in evaluating the electrical network balance as well as anticipating damage due to overload, overvoltage, and voltage drop. If this model is widely implemented it will produce big data that is useful for advanced analysis.
Back Cover Vol 15 No 2 Tajul Miftahushudur
Jurnal Elektronika dan Telekomunikasi Vol 15, No 2 (2015)
Publisher : LIPI Press

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Abstract

Back Cover Vol 13 No 2 Chaeriah Bin Ali Wael
Jurnal Elektronika dan Telekomunikasi Vol 13, No 2 (2013)
Publisher : LIPI Press

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Page 21 of 47 | Total Record : 470

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