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Michael won the 2007 IEEE Microwave Theory & Techniques Symposium (MTT-S) Student Design Competition in June. The competition required the design of a power amplifier (PA) with the highest possible efficiency at an output power above 5W and at a frequency above 1GHz. To meet these criteria Michael designed his amplifier for an output frequency of 1.2GHz, an output power of >38dBm, and an efficiency above 80% (prior year winner). AWR®’s Microwave Office software was used for the design of the amplifier. The unique, integrated environment enables the concurrent design and simulation of PCB or IC RF circuits through the unified data model, as well as providing seamless connection to EM simulators such as Sonnet through the EM Socket interface. Instead of using multi-match software to synthesize the input and output matching networks, an input and load termination optimization method was used to obtain the maximum power-added-efficiency and matching networks were designed around these components.
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