Design Of RF Power Amplifier With Different Biasing Based On Green Design Technique

Sabri, Muhammad Ashraf (2016) Design Of RF Power Amplifier With Different Biasing Based On Green Design Technique. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Nowadays, the development of low-cost, low-power radio frequency (RF) for a base station application grows rapidly. The high power consumption of a base station is caused by poor efficiency in RF power amplifier design. The project is based on RF power amplifiers and green design technique that have been used in a variety of applications for example are the wireless communication. Green design technique is used to improve the performance of power amplifier and thus lower the power consumption. The main purpose of an RF power amplifier is to boost radio signal to a sufficient power level for transmission through the air interface from transmitter to receiver. The most important parameter is the gain, return loss, efficiency, output power and power consumption of the amplifier. This parameter is to ensure the design amplifier can work at the desired frequency. The aim of this project is to design and compare a power amplifier for base station application at 5.8 GHz operating frequency that using two different biasing network, with a power amplifier gain above I 0 dB and required to achieve low power consumption. Advance Design System (ADS) software is used in power amplifier design simulation. At the end of the project, it shows that between two biasing, the passive biasing is better compared to active biasing since it produce gain of 10.857 dB and low power consumption which is 0.986 W. The output power and return loss achieved are 20.858 dBm and -44.099 dB while the Power Added Efficiency (PAE) is 24.54 %.

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