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A Compact 6–24-GHz Current-Reuse LNA With Bandwidth and Noise Enhancement | IEEE Journals & Magazine | IEEE Xplore
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A Compact 6–24-GHz Current-Reuse LNA With Bandwidth and Noise Enhancement


Abstract:

This letter presents a three-stage current-reuse (CR) low-noise amplifier (LNA) monolithic microwave-integrated circuit (MMIC) design for broadband applications. The prop...Show More

Abstract:

This letter presents a three-stage current-reuse (CR) low-noise amplifier (LNA) monolithic microwave-integrated circuit (MMIC) design for broadband applications. The proposed LNA employs virtual ground and resistive feedback to achieve bandwidth extension and low noise. With the proposed techniques, the LNA is fabricated using a 0.15- \mu \text{m} E-mode GaAs pseudomorphic high-electron-mobility transistor (pHEMT) process. The measurement results show a peak gain of 27.1 dB with a 3-dB bandwidth of 6–24 GHz and a dc power consumption of 130 mW. The noise figure (NF) of 0.71–1.9 dB, 9.2–12.6 dBm OP1dB, and 20–23.5 dBm OIP3 are achieved. The fabricated LNA, including the testing pads, has a chip size of 1.3\times0.8 mm.
Published in: IEEE Microwave and Wireless Technology Letters ( Volume: 34, Issue: 2, February 2024)
Page(s): 203 - 206
Date of Publication: 19 December 2023

ISSN Information:

Institute of Microelectronics, Chinese Academy of Sciences, Beijing, China
School of Integrated Circuits, University of Chinese Academy of Sciences, Beijing, China
Institute of Microelectronics, Chinese Academy of Sciences, Beijing, China
Beijing Key Laboratory of New Generation Communication RF Chip Technology, Beijing, China
Institute of Microelectronics, Chinese Academy of Sciences, Beijing, China
Beijing Key Laboratory of New Generation Communication RF Chip Technology, Beijing, China
Institute of Microelectronics, Chinese Academy of Sciences, Beijing, China
Beijing Key Laboratory of New Generation Communication RF Chip Technology, Beijing, China

Institute of Microelectronics, Chinese Academy of Sciences, Beijing, China
School of Integrated Circuits, University of Chinese Academy of Sciences, Beijing, China
Institute of Microelectronics, Chinese Academy of Sciences, Beijing, China
Beijing Key Laboratory of New Generation Communication RF Chip Technology, Beijing, China
Institute of Microelectronics, Chinese Academy of Sciences, Beijing, China
Beijing Key Laboratory of New Generation Communication RF Chip Technology, Beijing, China
Institute of Microelectronics, Chinese Academy of Sciences, Beijing, China
Beijing Key Laboratory of New Generation Communication RF Chip Technology, Beijing, China

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