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Hamidon A.H
Universiti Teknikal Malaysia Melaka line 1 College
Computer Science & IT Electrical & Electronics Engineering

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Design High Gain PHEMT LNA for Wireless Application at 5.8 GHz Pongot K; Ahmad A; Othman A.R; Zakaria Z; Suaidi M.K; Hamidon A.H; Hamidon J.S
Proceeding of the Electrical Engineering Computer Science and Informatics Vol 1: EECSI 2014
Publisher : IAES Indonesia Section

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (862.076 KB) | DOI: 10.11591/eecsi.v1.383

Abstract

This research present a design of a higher gain (68.94dB) for PHEMT LNA using an inductive drain feedback technique for wireless application at 5.8GHz. The amplifier it is implemented using PHEMT FHX76LP transistor devices. The designed circuit is simulated with Ansoft Designer SV. The LNA was designed using inductive drain feedback, inductive generation to the source, and the T-network as a matching technique was used at the input and output terminal. The low noise amplifier (LNA) provides a noise figure 0.64 dB and gain (S21) of 68.94 dB. The output reflection (S22), input reflection (s11) and return loss (s12) are -17.37 dB, -15.77 dB and -88.39 dB respectively. The measurement shows the stability were at 4.54 and 3-dB bandwidth of 1.72 GHz. The input sensitivity is -92 dBm exceeded the standards required by IEEE 802.16.
Co-Authors Ahmad A Hamidon J.S Othman A.R Pongot K Suaidi M.K Zakaria Z