Abstract
Modern communication systems demand high efficiency RF Power amplifiers (PA) forcing them to be operated close to their nonlinear region resulting in the generation of harmonics and intermodulation products. To reject these harmonics and to reduce the electromagnetic interference, a harmonic suppression antenna is integrated directly with the power amplifier using the concept of Active Integrated Antenna. This method results in improved power output and hence yields high efficiency RF power amplifiers with reduced electromagnetic interference. This paper deals with the design and simulation of a class AB RF power ampifier integrated with a harmonic suppression antenna intended for WiMax applications. The harmonic suppression antenna design, the power amplifier design, the design of the active integrated antenna with the amplifier and the simulation results are presented.
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