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Low Noise, High Gain RF Front End Receiver at 5.8GHz for WiMAX Application

Othman A.R., and Hamidon A.H., and Abdul Wasli. C., and Mustaffa M.F., and Ibrahim A.B., (2010) Low Noise, High Gain RF Front End Receiver at 5.8GHz for WiMAX Application. Journal of Telecommunication, Electronics and Computer Engineering, 2 (2). pp. 43-54. ISSN 2180 - 1843

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Official URL: http://www.utem.edu.my

Affiliations

Universiti Teknikal Malaysia Melaka. Faculty of Electronic & Computer Engineering
Universiti Teknikal Malaysia Melaka. Faculty of Electronic & Computer Engineering
Universiti Teknikal Malaysia Melaka. Faculty of Electronic & Computer Engineering
Universiti Teknikal Malaysia Melaka. Faculty of Electronic & Computer Engineering
Universiti Teknikal Malaysia Melaka. Faculty of Electronic & Computer Engineering

Abstract

This paper presents the design of a high gain, low noise direct conversion Radio frequency(RF) front-end receiver system. The Front end receiver is designed to operate at 5.8
GHz in compliant with IEEE 802.16 WIiMAX standard. The system consists of a low noise amplifier (LNA), a radio frequency amplifier (RFA), a power divider and two band pass filters. The design process involved the use of software such as ADS 2000A, Ansoft Designer and MathCad. FET FHX76 LP is used in the design of the LNA due to its low noise figure and high impedance input. As for the RFA design, FET EPA018A was used. The LNA and the RFA used T lumped reactive element network and microstrip line matching network. Two 3 dBπ -attenuators were inserted at the input and output of the RFA to isolate the system from the reflected load power. A Wilkinson power divider is developed for two equal power structures using impedance microstrip line technique. Microstrip technology was used for designing the Chebyshev filter. The result of each module for the front end is presented.

Item Type:Journal
Keywords:communication protocol, Controller Area Front-end receiver, Low Noise Amplifier, Radio Frequency Amplifier, Filter, Power divider, WiMAX.
Subjects:T Technology, Engineering
ID Code:11537

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[3] IEEE Computer Society and IEEE Microwave Theory Technique and Society (2004) Part 16 Air Interface For Fix Broadband Wireless System, IEEE Standard 802.16 -2004.

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Proceedings of the ISSCC, pp. 224-225,Feb 1999.

[6] Garuda, C. & Mohamed, I. (2006). “A Multi Band CMOS RF Front End For 4G WiMAX & WLAN Application”, ICAS2006, IEEE Transaction on Microwave Theory & Techniques, pp 3049-3052.

[7] David M. Pozar (2005). “Microwave Engineering”. John Wiley & Sons, Inc. 2005.

[8] Bahl, I. & Bhartia, P. (2003). “Microwave Solid State Circuit Design”, 2nd Edition, J Wiley, pp. 133-180.

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