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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.
Arjuna Subject : -
Articles 403 Documents
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Appendix Vol. 17 No. 2 Tajul Miftahushudur
Jurnal Elektronika dan Telekomunikasi Vol 17, No 2 (2017)
Publisher : LIPI Press

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Abstract

Sistem Monitoring Online Kualitas Air Akuakultur untuk Tambak Udang Menggunakan Aplikasi Berbasis Android Priyani Kusrini; Goib Wiranto; Iqbal Syamsu; Lilik Hasanah
Jurnal Elektronika dan Telekomunikasi Vol 16, No 2 (2016)
Publisher : LIPI Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jet.v16.25-32

Abstract

Pemantauan kualitas air di tambak udang yang efektif sangat dibutuhkan agar produksi udang meningkat. Oleh karena itu, pada penelitian ini telah dibuat aplikasi sistem online monitoring kualitas air tambak udang berbasis android. Pengambilan data parameter sensor dilakukan di kampus LIPI menggunakan stasiun sensor yang datanya ditransmisikan ke data logger untuk selanjutnya dikirimkan ke website. Data yang diperoleh dari website berupa data php (Hyper Text Preprocessor) dan kemudian diubah menjadi data JSON (Java Script Object Notation). Parsing data dilakukan dengan menggunakan fungsi json_encode untuk membuat string JSON dari objek dan array sehingga data dapat dibaca di Android Studio. Aplikasi ini sangat mudah dioperasikan dan sangat efisien.
Appendix Vol 14 No 1 Tajul Miftahushudur
Jurnal Elektronika dan Telekomunikasi Vol 14, No 1 (2014)
Publisher : LIPI Press

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Perancangan Quadband BPF dengan Komponen Lumpeduntuk Sistem m-BWA Gunawan Wibisono; Daniel Simanjuntak; Taufiq Alif Kurniawan
Jurnal Elektronika dan Telekomunikasi Vol 13, No 2 (2013)
Publisher : LIPI Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jet.v13.47-54

Abstract

Ada banyak teknologi mobile broadband wireless access (m-BWA) yang saat ini digunakan, agar bisa mencakup seluruh teknologi m-BWA yang ada dalam sebuah perangkat maka diperlukan teknologi multiband . Salah satu komponen penting yang mendukung perkembangan teknologi m-BWA adalah bandpass filter (BPF), yang berfungsi untuk memilah-milah dan mengisolasi band yang spesifik dari interferensi pada transceiver radio frequency (RF). Pada penelitian ini akan dirancang quadband BPF yang beroperasi pada frekuensi tengah 950 MHz dan 1,85 GHz untuk aplikasi GSM, 2,35 GHz untuk aplikasi WiMAX, dan 2,65 GHz untuk aplikasi LTE secara simultan. Rangkaian quadband BPF dibangun dan dikembangkan dari konsep dualband BPF dengan menambahkan sejumlah cross coupling pada inductive coupling BPF tersebut untuk menghasilkan zero pada frekuensi tertentu yang diharapkan menggunakan komponen lumped. BPF yang dirancang memiliki spesifikasi, input return loss (S11) < -10 dB, insertion loss (S21) > -3 dB, dan voltage standing wave ratio (VSWR) antara 1 – 2, dan group delay kurang dari 10 ns. Perancangan dilakukan menggunakan perangkat lunak Advance Design System (ADS) dan kemudian difabrikasi berbasis printed circuit board (PCB). Hasil simulasi BPF menunjukkan kinerja quadband BPF memenuhi kriteria perancangan sedangkan hasil fabrikasi mengalami pergeseran.
Active Filter Analysis on Designing Electronic Stethoscope Prihatin Oktivasari; Riandini Riandini; Rahmah A. Fitri; Sungguh I. Malaon
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.v19.51-56

Abstract

Early heart disease detection could be vital and some other diagnostic ways are being developed. In this paper, a lowcost tool for a diagnostic that analyzes the digitized heartbeat sound is given. This can be used to detect heart anomalies. The instrument shows the heart sound and also keeps a patient's long-term record for future use. The signal from the heart provides a lot of knowledge about the heart and offers an initial diagnosis recommendation. The electronic stethoscope uses the condenser microphone, preamplifier circuit, and filter circuit. The optimum filter is Butterworth with a fourth-order Sallen key low pass filter topology with a gain of 0.707 volts, -3.01 dB, and a fourth-order high pass filter with a gain of 0.782 volts, -2.137 dB. The frequency of the heart sound is about 20 Hz – 120 Hz in general. Therefore, the lower cutoff frequency of the filter is set to 20 Hz, while the higher cutoff frequency set to 120 Hz. The evaluation used to measure the performance of an electronic stethoscope is to compare with a conventional stethoscope, the recorded sound is the same.
Appendix Vol 15 No 1 Chaeriah Bin Ali Wael
Jurnal Elektronika dan Telekomunikasi Vol 15, No 1 (2015)
Publisher : LIPI Press

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Preface Vol 13 No 1 Tajul Miftahushudur
Jurnal Elektronika dan Telekomunikasi Vol 13, No 1 (2013)
Publisher : LIPI Press

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Abstract

Vol. 04 No. 1-2 Jurnal Elektronika dan Telekomunikasi
Jurnal Elektronika dan Telekomunikasi Vol 01-12 (Printed Issues)
Publisher : LIPI Press

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Abstract

Table of Content: Evaluation of Detection Schemes for Multicarrier CDMA [1 - 6] ↠ Mashury Wahab, Yuyu WahyuThe Design of The Miniature Injector for The Microengineere GC System [7 - 14] ↠ Totok M. S. Soegandi, Goib WirantoDown Converter Sub Sistem RF/IF pada Penerima GPS (Globe Positioning System) [15 - 19] ↠ Nasrullah Armi, Dadan MuliawandanaPemilih Antena Dipole dengan Sistem Catu di Tengah (Center Feed) untuk Bidang Frekuensi Lebar [20 - 27] ↠ Rustini S. Kayatmo, Soemaryato KayatmoArah Pengembangan Teknologi Sistem Penyiaran Digital [28 - 34] ↠ Rustini S. KayatmoKonverter AC/DC DC Non Linier untuk Sistem Radar [35 - 40] ↠ Syamsu Ismail, Deni Permana KPenggunaan Regulator Switching pada Rangkaian Catu Daya Arus Searah [41 - 46] ↠ Asep Yudi Hercuadi, Yaya Sulaeman
Design Analysis of Microstrip Rectangular Patch Array Antenna 16×1 on X-band Radar Soni Aulia Rahayu; Joko Suryana; Laras Tursilowati; Halimurrahman -; Ginaldi Ari Nugroho
Jurnal Elektronika dan Telekomunikasi Vol 19, No 1 (2019)
Publisher : LIPI Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jet.v19.7-12

Abstract

Radar has been widely used for various purposes such as monitoring atmospheric precipitation. For that purpose, it gives more accurate results than satellites do. Previous research has developed navigation radar that alters its functions into an atmospheric precipitation monitoring radar. To improve the development of the radar, an antenna system will be developed in this research. The purpose of developing this antenna is to obtain better data reception results. This antenna is a microstrip rectangular array antenna that works on X-band with a frequency of 9.41 GHz. Microstrip antenna is chosen since it has several advantages such as small dimensions and relatively low costs. The designed antenna gain ≥ 12 dB, bandwidth of 60 MHz, and horizontal polarization. Antenna fabrication produces a microstrip rectangular 16 x 1 array antenna using the mitered bend method at a frequency of 9.4 GHz with a reflection coefficient of -22.8 dB, VSWR of 1.2, gain of 13.21 dB, unidirectional radiation patterns and horizontal polarization.
Appendix Vol. 17 No. 1 I Dewa Putu Hermida
Jurnal Elektronika dan Telekomunikasi Vol 17, No 1 (2017)
Publisher : LIPI Press

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