Y. Ando, Y. Okamoto, T. Nakayama, T. Inoue, K. Hataya, H. Miyamoto, M. Senda, K. Hirata, M. Kosaki, N. Shibata, M. Kuzuhara
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High power AlGaN/GaN heterojunction FETs for base station applications
This work describes high power AlGaN/GaN heterojunction FETs on SiC substrates which we have developed. To our knowledge, Psat values of 203 W and 4 W are the highest ever achieved at 2 GHz and 30 GHz, respectively, for GaN FETs. We believe that GaN FET technology will play a dominant role in future base station systems.