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

Feng Wei Kuo, Zhirui Zong, Huan Neng Ron Chen, Lan Chou Cho, Chewn Pu Jou, Mark Chen, Robert Bogdan Staszewski

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

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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 mm2,thus demonstrating both 43% power and 47% area reductions. The phase noise and FoMT (figure-of-merit with tuning range) are improved by 1.8 dB and 0.2 dB,respectively,compared to state-of-the-art.

Original languageEnglish
Title of host publicationESSCIRC 2019 - IEEE 45th European Solid State Circuits Conference
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages53-56
Number of pages4
ISBN (Electronic)9781728115504
DOIs
Publication statusPublished - 1 Sep 2019
Event45th IEEE European Solid State Circuits Conference, ESSCIRC 2019 - Cracow, Poland
Duration: 23 Sep 201926 Sep 2019

Conference

Conference45th IEEE European Solid State Circuits Conference, ESSCIRC 2019
CountryPoland
CityCracow
Period23/09/1926/09/19

Keywords

  • 77 GHz
  • automotive radar
  • common mode
  • DCO
  • FMCW
  • harmonic boost
  • oscillator
  • Phase noise
  • tuning range

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  • Cite this

    Kuo, F. W., Zong, Z., Chen, H. N. R., Cho, L. C., Jou, C. P., Chen, M., & Staszewski, R. B. (2019). 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. In ESSCIRC 2019 - IEEE 45th European Solid State Circuits Conference (pp. 53-56). [8902490] Institute of Electrical and Electronics Engineers (IEEE). https://doi.org/10.1109/ESSCIRC.2019.8902490