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Supplier Performance Analysis Using The Analytical Hierarchy Process (Ahp) Method
Author

Gabriel Sianturi, M.T, S.T Assoc. Prof. Dr Agus Riyanto, S.T.,M.T., CSBA.

Abstrak
This research aims to determine priorities in supplier selection. The determination of this supplier uses the Analytical Hierarchy Process (AHP) method by determining the criteria and sub-criteria of the supplier selec-tion objectives. Each criterion and sub-criteria are arranged in a hierarchical structure and compared by determin-ing the priority scale. The selection of suppliers is based on the largest global weight values. The selected supplier is PT. MMII with a global weight value of 0.280. The global weighted assessment has considered consistency in decision-making based on a consistency index, which must be below 10%. It shows that PT. MMII is selected based on existing criteria and sub-criteria compared to other suppliers. This study contributes to group decision-making involving experts to choose the most appropriate supplier.
Nama Jurnal

Jurnal Manajemen Teknologi dan Informatika
Volume 12 Nomor 1

URL

https://ojs2.pnb.ac.id/index.php/MATRIX/article/view/320

DOI

https://doi.org/10.31940/matrix.v12i1.1-6

Comparative Analysis Of Multi-Substrate Materials In Microstrip Antenna Models For Broadband Wireless Communications
Author

Budi Herdiana, S.T., M.T.

Abstrak
Multi-substrate antenna material is a combination of more than one primary antenna base material where this substrate material can determine the quality of antenna performance. A quantitative empirical approach is carried out to achieve maximum performance by processing the dielectric constant of the substrate to obtain other antenna parameters. This aims to increase the stability of the antenna gain and produce a large bandwidth. The results show that diamond has a bandwidth of 75 MHz with a maximum gain of 4.228 dBi and a VSWR of 18.017. While epoxy FR-4 produces a bandwidth of 57 MHz with a maximum gain of 3.444 dBi and a VSWR of 2.011, the quartz material produces a bandwidth of 80 MHz with a maximum gain of 4.426 dBi and a VSWR of 10.884. The conclusion is that FR-4 epoxy substrate performs better than diamond and quartz. It is hoped that the results of this research will impact the development of a smart antenna system.
Nama Jurnal

International Journal of Electronics and Communications System
Volume 2 Nomor 1

URL

http://ejournal.radenintan.ac.id/index.php/IJECS/article/view/11979

DOI

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