AIGaN/GaN HEMTs Power Amplifier MIC with Power Combining at C-Band

A power amplifier MIC with power combining based on AlGaN/GaN HEMTs was fabricated and measured. The amplifier consists of four 10×120μm transistors. A Wilkinson splitters and combining were used to divide and combine the power. By biasing the amplifier at V_(DS) =40V, I(DS)= 0. 9A, a maximum CW output power of 41. 4dBm with a maximum power added efficiency (PAE) of 32. 54% and a power combine efficiency of 69% was achieved at 5. 4GHz.

A power amplifier MIC with power combining based on AlGaN/GaN HEMTs was fabricated and measured. The amplifier consists of four 10×120μm transistors. A Wilkinson splitters and combining were used to divide and combine the power. By biasing the amplifier at V_(DS) =40V, I(DS)= 0. 9A, a maximum CW output power of 41. 4dBm with a maximum power added efficiency (PAE) of 32. 54% and a power combine efficiency of 69% was achieved at 5. 4GHz.

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国家重点基础研究发展计划,中国科学院重点创新工程资助项目

Institute of Microelectronics, Chinese Academy of Sciences;Longrui Microelectronic Corporation;Institute of Semiconductors, Chinese Academy of Sciences

国家重点基础研究发展计划,中国科学院重点创新工程资助项目