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A 77/79-GHz Frequency Generator in 16-nm CMOS for FMCW Radar Applications Based on a 26-GHz Oscillator with Co-Generated Third Harmonic

Authors :
Kuo, Feng-Wei
Zong, Zhirui
Chen, Huan-Neng Ron
Cho, Lan-Chou
Jou, Chewn-Pu
Chen, Mark
Staszewski, Robert Bogdan
Kuo, Feng-Wei
Zong, Zhirui
Chen, Huan-Neng Ron
Cho, Lan-Chou
Jou, Chewn-Pu
Chen, Mark
Staszewski, Robert Bogdan
Publication Year :
2019

Abstract

This paper presents a digitally controlled frequency generator for dual frequency-band radar system that is optimized for 16 nm FinFET CMOS. It is based on a 21% wide tuning range, fine-resolution DCO with only switchable metal capacitors. A third-harmonic boosting DCO simultaneously generates 22.5–28 GHz and sufficiently strong 68–84 GHz signals to satisfy short-range radar (SRR) and medium/long range radar (M/LRR) requirements. The 20.2 mW DCO emits -97 dBc/Hz at 1 MHz offset from 77 GHz, while fully satisfying metal density rules. It occupies 0.07 mm 2 , thus demonstrating both 43% power and 47% area reductions. The phase noise and FoM T (figure-of-merit with tuning range) are improved by 1.8 dB and 0.2 dB, respectively, compared to state-of-the-art.

Details

Database :
OAIster
Notes :
English
Publication Type :
Electronic Resource
Accession number :
edsoai.on1363080615
Document Type :
Electronic Resource