Kim, Myeongjae, Minseok Choi, Giyeong Nam, Wooyong Keum, and Jae-Sung Rieh. 2025. “Design of a 520-624-GHz Amplifier-Frequency-Doubler Chain in 250-Nm InP HBT Technology”. Journal of Integrated Circuits and Systems 11 (1). https://doi.org/10.23075/jicas.2025.11.1.007.