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Makara Journal of Technology最新文献

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A 2.3/3.3-GHz Dual Band Low Noise Amplifier Using Switchable Load Inductor in 0.18-um CMOS Technology 采用0.18 um CMOS技术的可切换负载电感的2.3/3.3 ghz双频低噪声放大器
IF 0.2
Makara Journal of Technology Pub Date : 2019-01-06 DOI: 10.7454/MST.V22I3.3666
T. Kurniawan, Hsiao-Chin Chen
{"title":"A 2.3/3.3-GHz Dual Band Low Noise Amplifier Using Switchable Load Inductor in 0.18-um CMOS Technology","authors":"T. Kurniawan, Hsiao-Chin Chen","doi":"10.7454/MST.V22I3.3666","DOIUrl":"https://doi.org/10.7454/MST.V22I3.3666","url":null,"abstract":"In this paper, the dual band low noise amplifier is designed in 0.18-μm CMOS technology. By combining the proposed switchable load inductor for gain controlling and the conventional inductive source degeneration topology, narrow band gain and good impedance matching are achieved at 2.3/3.3-GHz frequency bands. The new mathematical analysis of low noise amplifier design is derived to define the component parameters of the proposed circuits. The proposed low noise amplifier exhibits gain of 17.18 dB and 15.5 dB, and noise figure of 2.67 dB and 2.52 dB at the two frequency bands, respectively.","PeriodicalId":42980,"journal":{"name":"Makara Journal of Technology","volume":" ","pages":""},"PeriodicalIF":0.2,"publicationDate":"2019-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48724399","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Transition Metal Dichalcogenide for High-Performance Electrode of Supercapacitor 用于超级电容器高性能电极的过渡金属二硫族化合物
IF 0.2
Makara Journal of Technology Pub Date : 2019-01-06 DOI: 10.7454/MST.V22I3.3645
Saifful K Muzakir, A. S. Samsudin, B. Sahraoui
{"title":"Transition Metal Dichalcogenide for High-Performance Electrode of Supercapacitor","authors":"Saifful K Muzakir, A. S. Samsudin, B. Sahraoui","doi":"10.7454/MST.V22I3.3645","DOIUrl":"https://doi.org/10.7454/MST.V22I3.3645","url":null,"abstract":"Molybdenum dichalcogenides have been reviewed from the perspectives of bandgap, conductivity, and oxidation states of transition metal. Researchers have concluded that a narrow-bandgap transition metal dichalcogenide with high conductivity could be achieved for the high-performance electrode of a supercapacitor.","PeriodicalId":42980,"journal":{"name":"Makara Journal of Technology","volume":" ","pages":""},"PeriodicalIF":0.2,"publicationDate":"2019-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49291804","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Immittance Response on Carboxymethyl Cellulose Blend with Polyvinyl Alcohol- Doped Ammonium Bromide-Based Biopolymer Electrolyte 羧甲基纤维素掺杂聚乙烯醇基生物聚合物电解质的阻抗响应
IF 0.2
Makara Journal of Technology Pub Date : 2019-01-06 DOI: 10.7454/MST.V22I3.3638
N. Mazuki, Y. Nagao, A. S. Samsudin
{"title":"Immittance Response on Carboxymethyl Cellulose Blend with Polyvinyl Alcohol- Doped Ammonium Bromide-Based Biopolymer Electrolyte","authors":"N. Mazuki, Y. Nagao, A. S. Samsudin","doi":"10.7454/MST.V22I3.3638","DOIUrl":"https://doi.org/10.7454/MST.V22I3.3638","url":null,"abstract":"The blended carboxymethyl cellulose (CMC) and polyvinyl alcohol (PVA) doped with various compositions of ammonium bromide (NH4Br)-based solid biopolymer electrolytes (SBEs) were prepared by using the casting method. In this present work, CMC/PVA–NH4Br SBE thin film was used to investigate the electrical conductivity via electrical impedance spectroscopy. The maximum conductivity obtained was 3.21 X 10 S cm for sample AB20 at ambient temperature (303 K), and this result might be due to the increased number of charge carrier. A dielectric study was conducted to understand the conductivity behavior. The electrical properties have been measured as a function of frequency of ɛr, ɛi, Mr, and Mi, indicating a non-Debye type behavior.","PeriodicalId":42980,"journal":{"name":"Makara Journal of Technology","volume":" ","pages":""},"PeriodicalIF":0.2,"publicationDate":"2019-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49017840","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Automated Compilation Test System for Embedded System 嵌入式系统自动编译测试系统
IF 0.2
Makara Journal of Technology Pub Date : 2019-01-06 DOI: 10.7454/MST.V22I3.3515
M. Ishak, Ooi Jun Hwan, Teh Jiashen, N. Isa
{"title":"Automated Compilation Test System for Embedded System","authors":"M. Ishak, Ooi Jun Hwan, Teh Jiashen, N. Isa","doi":"10.7454/MST.V22I3.3515","DOIUrl":"https://doi.org/10.7454/MST.V22I3.3515","url":null,"abstract":"Embedded system testing involves testing an integration of software and hardware. It is increasingly difficult to evaluate the functionality of each module within a short time because of the increasing number of tests required. In this paper, a novel stepwise methodology involving the use of an automated compilation test system (ACTS) is proposed, to improve the quality of testing and optimize the testing time using automation. Using the proposed method, the testing coverage can be maximized, while minimizing the manual work and testing time required. This ACTS was used to automate the test code compilation and execution for different hardware modules. The proposed method significantly saved the testing time by approximately 56.42%, compared to the existing method, while ensuring quality testing performance.","PeriodicalId":42980,"journal":{"name":"Makara Journal of Technology","volume":" ","pages":""},"PeriodicalIF":0.2,"publicationDate":"2019-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48235426","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Importance of Usability Aspect in M-Commerce Application for Satisfaction and Continuance Intention M-商务应用中可用性方面对满意度和持续性意图的重要性
IF 0.2
Makara Journal of Technology Pub Date : 2019-01-06 DOI: 10.7454/MST.V22I3.3655
Y. Yassierli, Vinsensius Vinsensius, M. S. Syed Mohamed
{"title":"The Importance of Usability Aspect in M-Commerce Application for Satisfaction and Continuance Intention","authors":"Y. Yassierli, Vinsensius Vinsensius, M. S. Syed Mohamed","doi":"10.7454/MST.V22I3.3655","DOIUrl":"https://doi.org/10.7454/MST.V22I3.3655","url":null,"abstract":"There has been a rapid growing of m-commerce application in recent years due to the development of mobile communication technology and e-commerce business. However, only about 30% of online users, who conduct online searching, make online purchases. The low conversion rate seems to be correlated with poor usability aspect of most mcommerce applications and poor satisfaction reported by users. Research has reported that satisfaction and continuance intention in using m-commerce applications have relationships with service quality and information quality. In this study, a new model of user satisfaction and continuance intention in the context of mobile application was proposed by incorporating usability aspect. The study involved 230 respondents. To develop a new reliable and valid model, this study used Structural Equation Modelling (SEM) that include two stage evaluation, namely measurement model evaluation and structural model evaluation. Results demonstrated 34 valid and reliable indicators which can be used to measure service quality, information quality, usability, user satisfaction and continuance intention in M-commerce application. There were positive and significant relationships among service quality, information quality, usability, user satisfaction, and continuance intention. This study provide evidence on the importance of usability aspect in Mcommerce application for user satisfaction and continuance intention.","PeriodicalId":42980,"journal":{"name":"Makara Journal of Technology","volume":" ","pages":""},"PeriodicalIF":0.2,"publicationDate":"2019-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46993874","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
MAPPING OF OIL PALM FRESH FRUIT BUNCH BRUISE IN LOADING AND FIELD TO MILL TRANSPORTATION 油棕鲜果串在装载和田磨运输过程中的损伤制图
IF 0.2
Makara Journal of Technology Pub Date : 2018-10-08 DOI: 10.7454/mst.v22i2.3392
A. Krisdiarto
{"title":"MAPPING OF OIL PALM FRESH FRUIT BUNCH BRUISE IN LOADING AND FIELD TO MILL TRANSPORTATION","authors":"A. Krisdiarto","doi":"10.7454/mst.v22i2.3392","DOIUrl":"https://doi.org/10.7454/mst.v22i2.3392","url":null,"abstract":"","PeriodicalId":42980,"journal":{"name":"Makara Journal of Technology","volume":"50 1","pages":""},"PeriodicalIF":0.2,"publicationDate":"2018-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84642334","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
PREHEATING TEMPERATURE EFFECT ON CRYSTAL STRUCTURE AND TEXTURE OF MARTENSITIC STAINLESS STEEL 预热温度对马氏体不锈钢晶体结构和织构的影响
IF 0.2
Makara Journal of Technology Pub Date : 2018-10-08 DOI: 10.7454/mst.v22i2.3537
T. Priyanto, M. Muslih, H. Mugirahardjo, Bharoto Bharoto, A. Insani, Muzzakiy Muzzakiy
{"title":"PREHEATING TEMPERATURE EFFECT ON CRYSTAL STRUCTURE AND TEXTURE OF MARTENSITIC STAINLESS STEEL","authors":"T. Priyanto, M. Muslih, H. Mugirahardjo, Bharoto Bharoto, A. Insani, Muzzakiy Muzzakiy","doi":"10.7454/mst.v22i2.3537","DOIUrl":"https://doi.org/10.7454/mst.v22i2.3537","url":null,"abstract":"","PeriodicalId":42980,"journal":{"name":"Makara Journal of Technology","volume":" ","pages":""},"PeriodicalIF":0.2,"publicationDate":"2018-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45732018","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Satellite Based Monitoring of Spatiotemporal Changes in Batudulang Forest, Sumbawa Indonesia 基于卫星的印尼松巴哇巴杜都朗森林时空变化监测
IF 0.2
Makara Journal of Technology Pub Date : 2018-10-08 DOI: 10.7454/MST.V22I2.3522
M. Muslim, Arief Budhi Witarto, Wahyu Indrajaya
{"title":"A Satellite Based Monitoring of Spatiotemporal Changes in Batudulang Forest, Sumbawa Indonesia","authors":"M. Muslim, Arief Budhi Witarto, Wahyu Indrajaya","doi":"10.7454/MST.V22I2.3522","DOIUrl":"https://doi.org/10.7454/MST.V22I2.3522","url":null,"abstract":"Space-based earth observation technology applicable to forest inventory and monitoring is well known in the scientific community. High-resolution satellite images form an important data source for forest mapping and change detection at regional and national scales. The value of forest change information derived from remote sensing data is significantly enhanced if this information is integrated into a spatially explicit geographic information system. Satellite-based rapid assessment was conducted to measure spatiotemporal changes in Batudulang forest over the years. The general approach to quantify change in the spatial aspect of the forest involved change detection using moderate-resolution imaging spectroradiometer satellite-based normalized difference vegetation index. A further top–down approach using high-resolution data from Google Earth was used to complement the mapping and specifically identify areas of spatial, temporal, and thematic change on a grid basis (1×1 sq. km.). Results from change detection studies revealed that the forest area changed from 287 sq. km. in 2008 to 189 sq. km. in 2016. Visual image interpretation of high-resolution Google Earth images (2001–2013) analyzed 63 grids, of which 30 showed significant change and 33 exhibited no change.","PeriodicalId":42980,"journal":{"name":"Makara Journal of Technology","volume":" ","pages":""},"PeriodicalIF":0.2,"publicationDate":"2018-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47821312","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Microstructures and Hardness of the Experimental 57Fe15Cr25Ni Steel Around TIG Weld-Joints for Reactor Structure Materials 实验用57Fe15Cr25Ni钢反应器结构材料TIG焊头周围组织与硬度
IF 0.2
Makara Journal of Technology Pub Date : 2018-10-08 DOI: 10.7454/mst.v22i2.3430
Iing Farihin (Parikin) Yunasz (Parikin)
{"title":"Microstructures and Hardness of the Experimental 57Fe15Cr25Ni Steel Around TIG Weld-Joints for Reactor Structure Materials","authors":"Iing Farihin (Parikin) Yunasz (Parikin)","doi":"10.7454/mst.v22i2.3430","DOIUrl":"https://doi.org/10.7454/mst.v22i2.3430","url":null,"abstract":"","PeriodicalId":42980,"journal":{"name":"Makara Journal of Technology","volume":"29 1","pages":""},"PeriodicalIF":0.2,"publicationDate":"2018-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73705732","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
BENCHMARKING PRODUCT SERVICE SYSTEM OF GENERATOR SET DISTRIBUTORS 标杆式发电机组分销商产品服务体系
IF 0.2
Makara Journal of Technology Pub Date : 2018-10-08 DOI: 10.7454/MST.V22I2.3305
T. D. Sofianti, Venny Violetta Tiurindah
{"title":"BENCHMARKING PRODUCT SERVICE SYSTEM OF GENERATOR SET DISTRIBUTORS","authors":"T. D. Sofianti, Venny Violetta Tiurindah","doi":"10.7454/MST.V22I2.3305","DOIUrl":"https://doi.org/10.7454/MST.V22I2.3305","url":null,"abstract":"Power generation is an industry that is essential to sustain daily life and competes with generator set distributors. The product service system of distributors must be improved to survive the competition. This research aims to develop tools for benchmarking the product service system of generator set distributors. Benchmarking identifies gaps between a product and other competitors’ products. In this work, a product service system board is used to visualize the current product service system of a generator set distributor. A PPIAF framework and a SERVQUAL framework are adapted to assess product performance and service quality, respectively. AHP is used as weighting method. The survey results provide ideas for improving the current product service system of generator set distributors. Further studies must use detailed measure weighting methods and implement the product service system board to assess service quality.","PeriodicalId":42980,"journal":{"name":"Makara Journal of Technology","volume":"1 1","pages":""},"PeriodicalIF":0.2,"publicationDate":"2018-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44748614","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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