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INDONESIA
Jurnal Sains Dan Teknologi (SAINTEKBU)
Published by Universitas KH. A. Wahab Hasbullah
ISSN : 19797141     EISSN : 25411942     DOI : https://doi.org/10.32764/saintekbu.v10i1.157
Core Subject : Science, Engineering,
Computer Science & IT Control & Systems Engineering Library & Information Science
JURNAL SAINTEKBU adalah Jurnal ilmiah yang mewadahi hasil penelitian bidang informatika, ilmu komputer, teknologi komputer yang diterbitkan oleh Universitas KH. A. Wahab Hasbullah (UNWAHA)
Arjuna Subject : Ilmu Komputer (semua kategori) - Aplikasi Ilmu Komputer
Articles 7 Documents
 1 
Search results for , issue "Vol 1 No 2 (2008)" : 7 Documents clear
RANCANG BANGUN TELEPON TESTER VERSI 2.0 Indra Kumala Sari; Maya Pitaloka; Nonot Harsono
SAINTEKBU Vol 1 No 2 (2008)
Publisher : KH. A. Wahab Hasbullah University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (424.386 KB) | DOI: 10.32764/saintekbu.v1i2.77

Abstract

The telephone set which is daily used , could get a failure  any time. So it’s introduced a peripheral that could determine which parts of telephone gets malfunction. It is called a telephone tester which checks four parts of telephone circuit, they are ringer circuit, microphone and speaker of  handset, and DTMF ( Dual Tone Multi Frequency ) keypad. In this final project we made  a Telephone Tester Version 2.0 with the same function of telephone tester before ( Version 1.0). The design of this telephone is basically different from first telephone tester with a better performance.In manufacturing the peripheral,  four separated circuits are used to determine the failure of a telephone set. On the circuit of ringer tester, IC 555 is used to generate ring tone with time period is 1s ‘on’ and 2s ‘off’; on the handset’s microphone tester circuit, OP-AMP 741 is used; on circuit of handset’s speaker tester, Wien oscillator ( f = 400 Hz) is used as tone generator; and on the DTMF keypad tester circuit, MT 8870 IC DTMF Receiver and DT-51 microcontroller are used with LCD ( Liquid Crystal Display ).With this peripheral, we could certainly know the malfunction parts of telephone set, so the repairement could be done immediately.Keywords: ring tone, microphone, speaker, DTMF keypad, IC 555, IC 741, MT 8870, microcontroller DT51, oscillator Wien, LCD ( Liquid Crystal Display ).
RANCANG BANGUN PESAWAT TELEPON KHUSUS UNTUK SLI HOME COUNTRY DIRECT MENGGUNAKAN MIKROKONTROLER DT-51 Kurniawan Djoko P; Aries Satriana; Nonot Harsono; Anang BK
SAINTEKBU Vol 1 No 2 (2008)
Publisher : KH. A. Wahab Hasbullah University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (355.543 KB) | DOI: 10.32764/saintekbu.v1i2.78

Abstract

Makalah ini menyajikan suatu rancang bangun pesawat telepon khusus untuk SLI Home country direct dengan fasilitas collect-call.  Saat ini perangkat untuk HCD yang dimiliki penyedia layanan SLI memiliki kelemahan, terutama pada cost product dan ukurannya yang besar.  Perangkat ini terdiri atas perangkat keras microcontroller DT-51 ditambah perangkat keras sebagai interface serta perangkat lunak untuk mikrokontroller DT-51. Pada pesawat telepon ini digunakan keypad untuk memasukkan kode akses. Pengguna hanya memasukkan 3 digit kode negara yang akan dituju, kemudian oleh mikrokontroller kode tersebut akan dicocokkan dengan tabel nomor telepon operator  yang telah  tersimpan pada mikrokontroller. Data keluaran dari mikrokontroller yang berupa nomor telepon operator negara tujuan diteruskan ke dialer . Setelah itu percakapan dapat dilakukan dengan operator luar negeri tersebut untuk disambungkan ke pelanggan yang akan dituju. Kata Kunci : microcontroller DT-51, collect call, dialer
DESIGN SPREAD SPECTRUM COMMUNICATION SYSTEM SIMULATION (Software) Andy Soeseno; Yoedy Moegiharto; Arna Fariza
SAINTEKBU Vol 1 No 2 (2008)
Publisher : KH. A. Wahab Hasbullah University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (310.391 KB) | DOI: 10.32764/saintekbu.v1i2.79

Abstract

            In this paper was design direct sequence spread spectrum simulation program consist of include the program of pseudo noise code generator by using gold codes method, spreading and despreading program. The sequence of pseudo noise code generated in 7 chips for 5 bits binary data information and 15 chips for 4 bit binary data information. The program of spreading simulation can provides sequence of spread spectrum signal and the program of despreading can recovery the original information signal. Keyword : spreading , desprading, pseudo noise code, chip, gold codes.
DESIGN AND IMPLEMENT ADAPTIVE NEURAL NETWORK SOFTWARE FOR ROUTING DATA PROCESS IN COMPUTER NETWORK Dadio Nugroho; Risa Ekowati; Prima Kristalina; Mauridhi Hery P
SAINTEKBU Vol 1 No 2 (2008)
Publisher : KH. A. Wahab Hasbullah University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (120.19 KB) | DOI: 10.32764/saintekbu.v1i2.81

Abstract

The data transmission in computer network is very important. Therefore, this issue always need a serious attention, especially in the middle and wide area networking which consist of many routers. This Adaptive Neural Network's software  for routing data in computer network (which is called JST Router later) is designed to solve a routing problem for choosing the best data routing path using Backpropagation Algorithm of Neural NetworkKeywords : routing table , routing algorithms, routing protocols , Artificial Neural Networks .
PERENCANAAN DAN PEMBUATAN PROGRAM ADMINISTRASI JURUSAN TELEKOMUNIKASI BERBASIS JARINGAN KOMPUTER Ahmad Mujib; Anas Farobi; Ahmad Basuki; Nanang Syahroni
SAINTEKBU Vol 1 No 2 (2008)
Publisher : KH. A. Wahab Hasbullah University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (308.472 KB) | DOI: 10.32764/saintekbu.v1i2.82

Abstract

Pengelolaan administrasi yang ada di sebuah pendidikan meliputi banyak hal. Salah satunya adalah pengelolaan administrasi jurusan, meliputi; absensi mahasiswa, absensi dosen, judul proyek akhir dan lain-lain yang akan membutuhkan tenaga, waktu dan tempat yang banyak bila dikerjakan secara konvensional. Permasalahan semacam itu harus diatasi dengan adanya suatu sistem terpadu yang mampu menangani data dalam jumlah besar dan dapat diolah kapan dan dimana saja oleh seorang administrator.
KOREKSI BIAS ESTIMATOR KERNEL DENGAN BOOTSTRAP - Zulfikar
SAINTEKBU Vol 1 No 2 (2008)
Publisher : KH. A. Wahab Hasbullah University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (354.192 KB) | DOI: 10.32764/saintekbu.v1i2.83

Abstract

Algoritma resampling merupakan metode praktis dan simpel untuk mengatasi bias pada regresi kernel seperti pada kernel Nadaraya-Watson dan Locally Linear order dua.  Penelitian ini berfokus untuk mendapatkan estimator kernel dengan menetapkan polinomial lokal  dan estimasi  digunakan least square terbobot. Pada metode yang sama juga akan didapatkan persamaan bias, variansi dan Mean Square Error (MSE). Aplikasi kernel pada data penelitian Canadian Males oleh Murphy dan Welch (1990) menunjukkan bahwa dengan estimasi bootstrap akan menurunkan nilai bias, variansi dan MSE serta dengan improved bootstrap akan lebih memperkecil nilai–nilai tersebut.  Kurva regresi yang dibentuk dari estimasi bootstrap akan membentuk permukaan yang smooth. Kata Kunci dan Phrasa: Estimasi Nonparametrik, Improved Bootstrap dan Polinomial Lokal.
DESIGNING AND MANUFACTURING THE CORRELATOR AND DECORRELATOR SIMULATIONS Ani Sulistyowati; Raida Tri W; Yoedy Moegiharto
SAINTEKBU Vol 1 No 2 (2008)
Publisher : KH. A. Wahab Hasbullah University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (182.103 KB) | DOI: 10.32764/saintekbu.v1i2.80

Abstract

Recently the CDMA communication system has been developed with an ability to keep the secret of the transmitted information and also immune to  interferences.            In a CDMA system every user has an identification code which are mutually independent (orthogonal). To prove the orthogonality of the codes the  correlation process is used.            In this final project, we simulate the correlation process by using the Hadamard-Walsh matrix codes. The correlation process that is used to prove the orthogonality will apply the XNOR calculation. The correlation processes consist of two i.e. autocorrelation and crosscorrelation in which autocorrelation process will always result in correlation coefficient that is larger than the crosscorrelation process.

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