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All Journal International Journal of Electrical and Computer Engineering Perfecting a Video Game with Game Metrics Indonesian Journal of Electrical Engineering and Informatics (IJEEI) Jurnal Ilmiah Setrum ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika JURNAL NASIONAL TEKNIK ELEKTRO JURNAL KAJIAN TEKNIK ELEKTRO Jurnal Rekayasa elektrika
Syah Alam
Universitas 17 Agustus 1945 Jakarta
Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering

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Journal : Perfecting a Video Game with Game Metrics

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Miniaturized Minkowski-Island Fractal Microstrip Antenna Fed by Proximity Coupling for Wireless Fidelity Application I Putu Elba Duta Nugraha; Indra Surjati; Syah Alam
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 15, No 3: September 2017
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v15i3.6826

Abstract

This paper proposed a new design of Minkowski Island microstrip antenna fed by proximity coupling with partial ground plane. The design was consisted of two layers of substrate, on the top substrate was the antenna patch and on the bottom substrate was the proximity feed line and the partial ground. At the first stage, the normal square patch antenna was mainly designed. Then, the Minkowski patch antenna was designed using 1st iteration technique and 2nd iteration technique. The Minkowski fractal shape slot was embedded in the center of the patch to form a Minkowski Island patch antenna. Using the Minkowski Island fractal technique, the dimension of the patch can be reduced up to 58.7%. The proximity feed line in this design was used to increase the impedance bandwidth, and from the measurement the impedance bandwidth of the proposed antenna was 240 MHz with return loss of -24.54 dB and VSWR of 1.126.
Peripheral Slits Microstrip Antenna Using Log Periodic Technique for Digital Television Broadcasting Indra Surjati; Yuli Kurnia Ningsih; Syah Alam
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 15, No 2: June 2017
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v15i2.6246

Abstract

This paper proposed a new design of log periodic microstrip antenna using peripheral slits for Digital Video Broadcasting applications in DKI Jakarta. Applying peripheral slits can be reduced the dimension of antenna up to 62.6% with its dimension 400 mm x 150 mm using 4 patches in different frequencies. The patches are one another connected using log periodic technique. The measurement results showed that the antenna was operating at frequency ranges of 450 MHz to800 MHz with impedance bandwidth of 350 MHz,VSWR ≤ 2 and return loss ≤ -10dB. The proposed antenna could receive 11 DVB stations with high definition quality pictureand only channel number 24, such as RCTI, Global TV and MNC TV can not reveive signals as expected.
Co-Authors Arfan Akbar Arief Karyadi Prasojo Awang Ferawan BUDI HARSONO Dian Widi Astuti Didik Aribowo EDDY WIYANTO ERWIN SURYA Gusti Alga Maulana Herudin Herudin Herwan Tony I Gede Agus Darmawan I Gusti Nyoman Yogi Wibisana I Putu Elba Duta Nugraha Indra Surjati Indra Surjati Irtanto Wijaya Kukuh Aris Santoso Lydia Sari Muchamad Yunus Newton Onasie Putu Elba Rico Bernando Putra Supriyanto Praptodiyono Teguh Firmansyah Yosef Cafasso Yuwono Yuli Kurnia Ningsih