Kim, Geun Tae, Kyu Taek Oh, Hyun Jin Ahn, and Ock Goo Lee. 2022. “Fully Integrated Triple-Mode Ka-Band Power Amplifier With Vertical-Horizontal Combined Transformer for 5G NR Applications”. Journal of Integrated Circuits and Systems 8 (4). https://doi.org/10.23075/jicas.2022.8.4.007.