A 220-GHz LNA With 9.7-dB Noise Figure and 24.6-dB Gain in 40-nm Bulk CMOS

IF 4 2区 工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC IEEE Transactions on Circuits and Systems II: Express Briefs Pub Date : 2024-11-21 DOI:10.1109/TCSII.2024.3503659
Lijuan Wang;Yizhu Shen;Yun Qian;Yifan Ding;Sanming Hu
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引用次数: 0

Abstract

This brief proposes a low noise amplifier (LNA) with high gain at 220 GHz in bulk CMOS process. A $G_{\max }$ -core is employed to simultaneously realize noise and power matching as well as provide high gain. A segmented design methodology for LNAs in terahertz band is employed to trade-off gain and noise. Incorporating the $G_{\max }$ -core with design methodology, a 220 GHz LNA is designed with balanced noise and gain performance. Fabricated using 40nm bulk CMOS process, measurement results reveal a minimum noise figure of 9.7 dB, a maximum gain of 24.8 dB between 214-225 GHz, and a saturated output power of −0.58 dBm at 220 GHz, while consuming only 36.9 mW. The LNA occupies a compact total area of 0.2 mm2, with a core area of 0.047 mm2. To the best of the authors’ knowledge, this represents the lowest noise figure achieved by LNA above 200 GHz using bulk CMOS technology.
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来源期刊
IEEE Transactions on Circuits and Systems II: Express Briefs
IEEE Transactions on Circuits and Systems II: Express Briefs 工程技术-工程:电子与电气
CiteScore
7.90
自引率
20.50%
发文量
883
审稿时长
3.0 months
期刊介绍: TCAS II publishes brief papers in the field specified by the theory, analysis, design, and practical implementations of circuits, and the application of circuit techniques to systems and to signal processing. Included is the whole spectrum from basic scientific theory to industrial applications. The field of interest covered includes: Circuits: Analog, Digital and Mixed Signal Circuits and Systems Nonlinear Circuits and Systems, Integrated Sensors, MEMS and Systems on Chip, Nanoscale Circuits and Systems, Optoelectronic Circuits and Systems, Power Electronics and Systems Software for Analog-and-Logic Circuits and Systems Control aspects of Circuits and Systems.
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