Design Of A Stable High Gain Power Amplifier For WiMAX Application

Mohamad Harris, Misran (2011) Design Of A Stable High Gain Power Amplifier For WiMAX Application. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Broadband technology has rapidly become an established, global commodity required by high percentage of the population. Worldwide Interoperability for Microwave Access (WiMAX), one of the new broadband wireless access technology which use the Orthogonal Frequency Division Multiple Access (OFDMA) modulation to suit multi-path environments that gives network operators higher throughput and capacity. Although this technology much benefits to its users and applications, it is a real challenge of hardware circuit design especially on power amplifier (PA) circuits. This project is basically is to design PA that will operate in the frequency range of 3.3 GHz to 3.8 GHz which is IEEE licenses frequency allocation for IEEE 802.16 or WiMAX. The aim for this project is to get gain, S21 more than 12 dB by comparing several design technique of the PA such as balanced amplifier and feedback amplifier in order to get the best performance of PA after the analysis between the designs. The implementation of the design is based on the AWR Microwave Office software used to perform simulation of the power amplifier design. In the simulation, the analyses of scattering parameters are concerned which presents the gain, S21 of the PA. At the end of the design, analysis will be done by comparing the results of calculations and simulations.

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