120-GHz Wideband I/Q Receiver Based on Baseband Equalizing Technique

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In this study, we examined a 120-GHz wideband I/Q receiver based on a baseband equalizing amplifier using 40-nm complementary metal oxide semiconductor (CMOS) technology. For low-power operation, the receiver chipset is integrated based on the direct conversion structure. To achieve high data-rate wireless communication, the receiver utilizes a frequency equalizing technique between the low noise amplifier (LNA)-mixer and baseband amplifier. With the proposed technique, the estimated overall bandwidth is increased as wider as 5 GHz. The 3-dB conversion gain bandwidth is 26 GHz, noise figure (NF) is 10.8 dB, and dc power consumption is 153.4 mW. For the dual-mode operation, the variable gain of the baseband amplifier is applied, and the conversion gain of the proposed receiver is 28.2 dB for the high gain mode and 14.8 dB for the low gain mode. The chip area of the receiver is 1.5 mm². The proposed receiver exhibits a maximum data-rate of 12.5, 16, and 16 Gb/s for binary phase shift keying (BPSK), quadrature phase shift keying (QPSK), and 16-quadrature amplitude modulation (16-QAM), respectively.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2021-06
Language
English
Article Type
Article
Citation

IEEE JOURNAL OF SOLID-STATE CIRCUITS, v.56, no.6, pp.1697 - 1710

ISSN
0018-9200
DOI
10.1109/JSSC.2020.3032022
URI
http://hdl.handle.net/10203/285793
Appears in Collection
EE-Journal Papers(저널논문)
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