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All Journal Bulletin of Electrical Engineering and Informatics
Zakaria, Zahriladha
Universiti Teknikal Malaysia Melaka (UTeM)
Electrical & Electronics Engineering

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Wideband power amplifier based on Wilkinson power divider for s-band satellite communications Mabrok, Mussa; Zakaria, Zahriladha; Sutikno, Tole; Alhegazi, Ammar
Bulletin of Electrical Engineering and Informatics Vol 8, No 4: December 2019
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (631.684 KB) | DOI: 10.11591/eei.v8i4.1552

Abstract

This paper presents design and simulation of wideband power amplifier based on multi-section Wilkinson power divider. Class-A topology and ATF-511P8 transistor have been used. Advanced Design System (ADS) software used to simulate the designed power amplifier. The simulation results show an input return loss (S11)<-10dB, gain (S21)>10 dB over the entire bandwidth, and an output power around 28dBm at the Centre frequency of 3GHz. The designed amplifier is stable over the entire bandwidth (K>1). Inter-modulation distortion is -65.187dBc which is less than -50dBc. The designed amplifier can be used for the microwave applications which include weather radar, satellite communication, wireless networking, mobile, and TV.
Co-Authors Alhegazi, Ammar Mabrok, Mussa Tole Sutikno