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All Journal Indonesian Journal of Electrical Engineering and Informatics (IJEEI)
Toulali Islam
Equipe de Recherche en Smart Communications (ERSC), E3S Research Center, Mohammadia School of Engineers (EMI), Mohammed Vth University, Rabat, Morocco
Computer Science & IT Electrical & Electronics Engineering

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Performance Analysis of Low noise amplifier using Combline Bandpass Filter for X Band Applications Lahsaini Mohammed; Toulali Islam; Zenkouar Lahbib
Indonesian Journal of Electrical Engineering and Informatics (IJEEI) Vol 7, No 3: September 2019
Publisher : IAES Indonesian Section

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (623.491 KB) | DOI: 10.52549/ijeei.v7i3.1012

Abstract

This paper describes a procedure for designing broadband low noise amplifier for X-Band applications. The design and implementation is based on HEMT transistors AFP02N2-00 of Alpha Industries®. The matching circuit used for modeling the microwave amplifier is the quarter-wave transformers impedance matching technique associated to combline bandpass filter.  The proposed amplifier is implemented on a substrate of epoxy FR4 with a central frequency of 11GHz and a fractional bandwidth of 0.18% and is designed to be used in radar reception systems. The results show that the proposed LNA is unconditionally stable with a simulated gain of 20dB over the working frequency range of [9.5−12.5] GHz.
Co-Authors Lahsaini Mohammed Zenkouar Lahbib