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Jurnal Elektronika dan Telekomunikasi
Published by BRIN Publishing
ISSN : 14118289     EISSN : 25279955     DOI : https://doi.org/10.55981/jet.717
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Jurnal Elektronika dan Telekomunikasi (JET) aims to publish high-quality articles with a specific focus on the latest research and developments in the field of electronics, telecommunications, and microelectronics engineering. It will provide a platform for academicians, researchers and engineers to share their experience and solution to problems in different areas of electronics and telecommunication engineering.
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Articles 309 Documents
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Appendix Vol 15 No 2 Tajul Miftahushudur
Jurnal Elektronika dan Telekomunikasi Vol. 15 No. 2 (2015)
Publisher : National Research and Innovation Agency

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Abstract

Back Cover Vol 15 No 2 Tajul Miftahushudur
Jurnal Elektronika dan Telekomunikasi Vol. 15 No. 2 (2015)
Publisher : National Research and Innovation Agency

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Abstract

Microwave and Optical Electric Field Interaction in Microwave Polarization Detector Based on Photonic Technology for EMC Measurement Yusuf Nur Wijayanto; Hiroshi Murata; I Dewa Putu Hermida
Jurnal Elektronika dan Telekomunikasi Vol. 16 No. 1 (2016)
Publisher : National Research and Innovation Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jet.v16.7-10

Abstract

We analyze the interaction of microwave and optical electric field in a microwave polarization detector based on photonic technology for Electromagnetic Compatibility (EMC) measurement. The detector consists of two orthogonal optical waveguides and patch antennas embedded with two orthogonal gaps fabricated on an Electro-Optic (EO) crystal. Wireless microwave signals can be received, separated and converted directly to lightwave signals through optical modulation using the proposed detector. This detector operates with no external power supply and with low microwave distortion. Microwave polarization can be identified using the proposed interface. In addition, it enables us to measure the magnitude and phase of the wireless signal simultaneously. The analysis of the device was done and presented at the operation frequency of 26 GHz. The proposed interface can be applied for EMC measurement through the radio-over-fiber link.
Uji Performansi Algoritma Floyd-Warshall Pada Jaringan Software Defined Network (SDN) Ihsan Aris Saputra; R. Rumani M.; Sofia Naning Hertiana
Jurnal Elektronika dan Telekomunikasi Vol. 16 No. 2 (2016)
Publisher : National Research and Innovation Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jet.v16.52-58

Abstract

Penentuan rute pada sebuah jaringan software defined network (SDN) merupakan salah satu contoh topik yang menarik untuk diteliti. Algoritma penentuan rute terpendek pada jaringan SDN sangatlah menentukan apakah jaringan SDN yang dibangun dengan algoritma tersebut sudah optimal. Salah satu algoritma penentuan rute terpendek yaitu algoritma FloydWarshall, yang akan diuji coba dan dianalisis apakah sudah termasuk algoritma yang optimal pada jaringan SDN dengan membandingkan dengan standarisasi yang ada. Pengujian akan dilakukan dengan mengirimkan paket data, VoIP dan video dengan melihat overhead traffic dan QoS (delay dan packet loss). Algoritma Floyd-Warshall akan digunakan pada pengontrol Ryu dan menggunakan Mininet sebagai emulator jaringan dengan topologi berbasis Abiline. Hasil simulasi dan pengujian algoritma Floyd-Warshall sebagai penentuan jalur terbaik dalam jaringan SDN, mendapatkan hasil yang memenuhi standarisasi. Nilai dari QoS yang didapat untuk delay masih berada pada nilai yang menjadi standar ITU-T G.1010. Packet loss yang dihasilkan semua jenis layanan sudah memenuhi standar ITU-T G.1010 yaitu 0% hingga saat pada jaringan diberikan background traffic melebihi kapasitas link yaitu pemberian sebesar 75 Mbps. Dalam pengujian waktu konvergensi didapatkan waktu dengan rata-rata nilai 17.71446 detik. Kemudian untuk overhead traffic menunjukan bahwa perubahan overhead dipengaruhi oleh controller update dan juga flow update, dimana ketika sering terjadinya controller update dan flow update maka semakin besar juga overhead yang didapat.
Design of Automated PC Shutdown Control System in Coastal/LPI Radar System Based on Microcontroller ATMega8L Fadil Habibi Danufane; Arief Nur Rahman; Eko Joni Pristianto
Jurnal Elektronika dan Telekomunikasi Vol. 16 No. 2 (2016)
Publisher : National Research and Innovation Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jet.v16.59-64

Abstract

One consideration during the design of long range controlled electrical system is the sudden outage of a Personal Computer (PC) caused by power failure. Frequent outage can damage the components inside the PC such that the whole system could be malfunction. This can affect the cost, time, and effort required to fix the system. Usually such system is equipped with a temporary power storage or UPS (uninterruptible power supply) with a small capacity, so the PC in the system can immediately be turned off before the UPS runs out. Therefore it is necessary to design a control system that can shutdown the PC automatically within a certain range of time after the outage. The implementation of designed system has used an ATmega8L microcontroller as a controller, an optoisolator PS2505-1 as isolator for electric components from AC signal, and Visual Basic as the programming language. The system has been tested with an input voltage of 220Vrms AC signal. The test result has shown that the PC was successfully shut down within a certain time range after the input was terminated.
Design and Implementation of Planar Fourtear Microstrip Antenna for WLAN and WiMAX Applications Ken Paramayudha; Yuyu Wahyu; Aprilia Pustpita Sari; Heroe Wijanto
Jurnal Elektronika dan Telekomunikasi Vol. 16 No. 1 (2016)
Publisher : National Research and Innovation Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jet.v16.20-24

Abstract

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.
Design and Realization of FIR Filter for Inter Satellite Link at 50-90 MHZ Frequency using FPGA Yuyu Wahyu; Ken Paramayudha; Lutfi Jamil Setiawan; Heroe Wijanto; M. Shiddiq S.H
Jurnal Elektronika dan Telekomunikasi Vol. 16 No. 1 (2016)
Publisher : National Research and Innovation Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jet.v16.15-19

Abstract

In this paper, design and realization of FIR filter with a bandwidth of 40 MHz at 50-90 MHz frequency has been proposed. The design was destined to be implemented on the Inter Satellite Links (ISL). This kind of filter had been selected due to a need in linear phase responseon the ISL data communication. Equiripple method was used to design the filter becauseof its reliability in minimizing the magnitude errors. The design of this FIR filter was conducted with theoretical calculation and simulation using the R2012b Matlab. For the implementation, FPGA was used with a VHDL as the programming language with a help of Xilinx ISE Design Suite 14.5. Simulation results in Matlab and Simulink indicated that the filter design could be well implemented on ISL at frequency of 50 MHz - 90 MHz with stopband of 60 db. The phase responseresult of the realized design is quite linear so that the filter is suitable for data communication on the ISL.
High Power Amplifier (HPA) pada Frekuensi 437,430 MHz untuk Aplikasi TTC Downlink Nano Satelit TEL-U SAT Y. Taryana; T. Praludi; Y. Sulaeman; Y. Wahyu; W. I. Prayogo; B. S. Nugroho
Jurnal Elektronika dan Telekomunikasi Vol. 16 No. 2 (2016)
Publisher : National Research and Innovation Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jet.v16.40-45

Abstract

Sistem Telemetry, Tracking, and Command (TTC) berfungsi sebagai interface komunikasi antara nano satelit dengan stasiun bumi. Salah satu perangkat yang penting dalam TTC adalah transmitter yang bekerja pada frekuensi downlink 437,430 MHz. Dari perhitungan link budget diperlukan sebuah high power amplifier (HPA) yang memiliki daya output 30 dBm agar data yang dikirimkan dapat diterima dengan baik oleh stasiun bumi. Pada tulisan ini dirancang dan direalisasikan HPA dua tingkat dengan frekuensi kerja 435 - 438 MHz. Penguat daya tingkat pertama menggunakan komponen aktif transistor BFR96S dan penguat daya tingkat kedua menggunakan komponen aktif transistor MRF555. Penyepadanan impedansi input menggunakan metode impedance matching Pi-network, sedangkan untuk penyepadanan impedansi interstage dan output menggunakan metode impedance matching T-network. Simulasi penguat daya menggunakan software Advance Design System (ADS 2011). Hasil perancangan HPA pada frekuensi 437,430 MHz menghasilkan gain sebesar 28,400 dB, VSWRin sebesar 1,291, dan VSWRout sebesar 1,295. Dari hasil pengukuran prototipe HPA, pada frekuensi 437,430 MHz menghasilkan gain sebesar 23,01 dB, VSWRin sebesar 2,126, VSWRout sebesar 1,695 pada bandwidth 50 MHz.
Desain dan Realisasi Antena Mikrostrip Patch Persegi Susunan Linier dengan Teknik Pencatuan Proximity Coupled pada Frekuensi 4 ,3 GHz untuk Radio Altimeter Pesawat Yahya Syukri Amrullah; Arief Budi Santiko; Bayu Heri Prabowo; Yuyu Wahyu
Jurnal Elektronika dan Telekomunikasi Vol. 16 No. 2 (2016)
Publisher : National Research and Innovation Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jet.v16.33-39

Abstract

Pada penelitian ini telah dilakukan perancangan, simulasi, dan realisasi antena mikrostrip array dengan catuan proximity coupling untuk aplikasi radio altimeter. Penentuan nilai dimensi antena dilakukan dengan menggunakan rumus-rumus antena mikrostrip. Nilai-nilai dimensi yang telah diperoleh kemudian disimulasikan dengan simulator elektromagnetik untuk memperoleh performansi yang dihasilkan. Selain itu, proses simulasi juga digunakan untuk mengoptimasi desain antena. Antena yang dirancang mampu bekerja pada frekuensi 4,3 GHz, dengan return loss< -10 dB, VSWR < 2, bandwidth 100 MHz, gain ≥ 9,25 dBi, pola radiasi unidirectional, dan polarisasi linier. Substrat yang digunakan adalah Rogers RT5880 yang memiliki permitivitas relatif sebesar 2,2 dan ketebalan sebesar 1.57 mm. Antena yang terealisasi bekerja pada frekuensi tengah 4,3 GHz yang menghasilkan VSWR 1,005, polarisasi elips, gain 13,46 dB, pola radiasi unidirectional, impedansi 50,113 - j228,123 mOhm, return loss -51,890 dB, dan effective bandwidth 286 MHz (4,175-4,461 MHz).
Design and Realization of Coupled Line Bandpass Filter Using Compact Structure at Frequencies of 3300 MHz – 3400 MHz for WiMAX Application Arief Budi Santiko; Yahya Syukri Amrullah; Yuyu Wahyu; Muhammad Ilham Maulana; Bambang Setia
Jurnal Elektronika dan Telekomunikasi Vol. 16 No. 1 (2016)
Publisher : National Research and Innovation Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jet.v16.11-14

Abstract

In this paper, the design of microstrip BPF (Bandpass Filter) for WiMAX (Worldwide Interoperability for Microwave Access) application has been presented. The frequency band allocations for BWA (Broadband Wireless Access) in Indonesia are 2.3; 3.3 and 5.8 GHz. This microtrip BPF is designed using parallel coupled line in compact form and it has spesific parameter, i.e. 3.35 GHz center frequency, 400 MHz bandwidth, VSWR ≤ 2, -3 dB insertion loss and matching impedance between two port is 50 Ω. The Advanced Design System (ADS) software has been used during simulation and optimization. The simulation results show that return loss S11 and insertion loss S21 are -15.31 dB and -2.2 dB at 3.35 GHz respectively. For the design verification, the prototype of the proposed design wasfabricated and measured.The results of the fabrication approach of simulation results, which have return loss value S11and insertion loss S21 of the proposed microstrip filter are -18.20 dB and -2.91 dB at 3.35 GHz respectively. The result shows that the proposed design can be implemented forWiMAX communication system applications

Page 7 of 31 | Total Record : 309

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