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Jurnal Teknik Elektro
Published by Universitas Trisakti
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Core Subject : Engineering,
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Articles 7 Documents
Search results for , issue " Vol 1, No 1 (2001)" : 7 Documents clear
ESTIMASI SISTEM ORDE DUA DENGAN MENGGUNAKAN PERANGKAT LUNAK MATLAB Wahjudi, Rudy S
Jurnal Teknik Elektro Vol 1, No 1 (2001)
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Abstract

Generally, the design of control system begins with plant modeling. The analytical systemmodeling through physical observation is usually dificult to be obtained.Therefore, theexperimental system model become main stay alternative. This paper presents the process ofsystem parameters estimation. The methode of parameters estimation are use“PROGRESIVE ITEGRATION METHODE”. The resulted of parameters estimation thenbe simulated to computer with used MATLAB software version 5.3. From the result ofsimulation can be showed that the change of system parameters only influencial systemresponnse if the happen of parametera change on the moment transient state systemKeywords: parameter estimation, progressive integration and simulation
MULTI MEDIA AKSES (MMA) Agoes, Suhartati; Ningsih, Yuli Kurnia
Jurnal Teknik Elektro Vol 1, No 1 (2001)
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The very high necessity of information force the development of information technologyespecially internet. Nevertheless, POTS still cannot satisfy their customers. The main factorwhich cause this problem is the internet access speed limitedness. Besides the telephone calland internet access must be used by turns. MMA offers high speed internet access by usingADSL lite technology and ATM to support various of multimedia applications. MMA alsoenable to use internet access and telephone simultaneously without need new customers’line.As a service which offers high speed internet access, so in this paper some experimentsof MMA access speed have been done. The conclusion of the experiment are internet accessspeed is not influences neither by the file size nor by using internet access and telephone callsimultaneously.Keywords: Data off loading, Asynchronous Transfer Mode (ATM), Asymmetric DigitalSubscriber Line (ADSL)
PROGRAM PEMBENTUKAN MATRIX ADMITANSI PADA SISTEM TENAGA LISTRIK MENGGUNAKAN MATLAB Widjaja, Maula Sukma
Jurnal Teknik Elektro Vol 1, No 1 (2001)
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The study aims to point out appluation of Matlab in analyzing admittance of electrical powersystem. Furthemore, its correlation with other pachage program such as MS Word or evenExcel, makes the analysis sampler and more flexible. Eventually the analysis made in Matlabformat, can be obtained or exported other related pachage program such as Excel and MSWord according to the fowsing NeedsKeywords: admittance, simulation, manipulation, arrays
PENGARUH KONSENTRASI DOPING DAN FRAKSI MOL GERMANIUM PADA BASIS TRANSISTOR BIPOLAR HETEROJUNCTION SILIKON-GERMANIUM Tjahjadi, Gunawan
Jurnal Teknik Elektro Vol 1, No 1 (2001)
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We present an analytical model of base and collector current distribution for SiGe HBT.This model covers some important factors to be well considered in the process of devicestructure fabrication: bandgap narrowing due to heavy doping and/or the addition ofgermanium fraction to silicon substrate, effective density of states at conduction and valenceband, and diffusion constant. Results have been made indicating the slightly different effectsbetween theoretical and experimental current distribution.Keywords: Heterojunction Bipolar Transistor /HBT, bandgap narrowing, effective densityof states
RANGKAIAN CASCADE PADA RANGKAIAN SEQUENTIAL ASINKRON T.S., Kuat Rahardjo
Jurnal Teknik Elektro Vol 1, No 1 (2001)
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Cascade circuit is once of methode to simplify digital circuit design, because its reducing thenumber of input in every part of cascade circuit. Usually, the design methode is apllied incombinational circuit design. This design methode can be implement too in synchronoussequential circuit, usually for counter circuit design. But in the asynchronous sequential, thisdesign methode is very rare to applied. This article is discussing only for cascade circuitdesign methode in asynchronous sequential mode, using “Master Quiz” case study todescribe thisKeyword: Rangkaian CASCADE pada SEQUENTIAL ASINKRON, untuk merancangrangkaian cepat tepat dengan jumlah regu banyak.
CARA MEMPERKECIL BIAYA LANGGANAN DAYA KE PLN DAN MENGEFISIENKAN PEMAKAIAN DAYA LISTRIK KEBUTUHAN RUMAH TANGGA Lugito, Dharmananda
Jurnal Teknik Elektro Vol 1, No 1 (2001)
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Nowadays the electric energy cost is always increasing every year. So we need to save inusing electric energy. To increase electric efficiency some efforts can be done, for exampleby reducing the load harmonic, increasing power factor (cos ) and minimizing the startingcurrent of electrical machine; so we only buy electric energy that we need really to be used,or for only active load that we need in our home. For this occasion we discuss only forsmall load as many usages in living home, but it indeed can be continued for larger load ashigh rise buildings, industries, factories, etc.Keywords: Power factor, harmonic distortion, electrical machine
ANTENA MIKROSTRIP BENTUK SEGIEMPAT Surjati, Indra
Jurnal Teknik Elektro Vol 1, No 1 (2001)
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Patch antenna are popular for their well known attractive features, such as low profile,light weight and compatibility with monolithic microwave integrated circuits (MMIC) andmicrowave integrated circuits ( MIC ). There are many various shapes of patch antennas,such as rectangular, circular, square, triangular and ring. The simple shape isrectangular patch antenna and this paper will discuss about the rectangular patchantennaKeywords: feeding, coupling.

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