Youngchang Yoon, K. An, D. Kang, Kihyun Kim, Sangho Lee, Jae Sik Jang, D. Minn, B. Suh, Jooseok Lee, Jihoon Kim, Mee-Ran Kim, Jeong Ho Lee, Sung Tae Choi, J. Son, Sung-Gi Yang
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引用次数: 23
Abstract
This paper presents a 28GHz 16-element phased-array receiver in a 28nm bulk RF CMOS process targeting 5G NR application. The receiver implements a high-gain low-NF LNA, a linearity enhanced RF amplifier with post-distortion, and RF/IF step attenuators for a wide gain range and fine gain step control. Thereby, the presented receiver demonstrated a system NF of 3.5dB, a gain control range of 50dB (1dB step), and an EVM of - 37.7/-43.1dB with 5G NR 800/100MHz signals while consuming a low power of 0.54W (equivalent to 33.5mW per channel).
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