A Ka-band Dual Co-tuning Frequency Synthesizer with 21.9% Locking Range and Sub-200 fs RMS Jitter in CMOS for 5G mm-Wave Applications

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Abstract

This paper presents a Ka-band integer-N quadrature frequency synthesizer for 5G mm-wave communication applications. It utilizes a dual co-tuning in-phase injection-coupled quadrature voltage-controlled oscillator (IPIC-QVCO) including differential coplanar waveguide (DCPW), digitally-controlled coarse co-tuning varactor array (DCCVA), and analog-controlled fine co-tuning varactors (AFCV) and a matched injection-locked frequency divider (ILFD) to achieve wide locking range (LR), low phase noise, and small phase error. Even fabricated in low cost and large parasitic 0.13 μm CMOS, it still achieves 21.9% LR from 26.7 to 33.27 GHz, the phase noise is -114.06 dBc/Hz at 10 MHz offset from 29.832 GHz carrier, the RMS jitter is 198.8 fs, and the reference spurs are less than -51.3 dBc.

Original languageEnglish
Title of host publication2018 IEEE International Symposium on Circuits and Systems, ISCAS 2018 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781538648810
DOIs
StatePublished - 26 Apr 2018
Event2018 IEEE International Symposium on Circuits and Systems, ISCAS 2018 - Florence, Italy
Duration: 27 May 201830 May 2018

Publication series

NameProceedings - IEEE International Symposium on Circuits and Systems
Volume2018-May
ISSN (Print)0271-4310

Conference

Conference2018 IEEE International Symposium on Circuits and Systems, ISCAS 2018
Country/TerritoryItaly
CityFlorence
Period27/05/1830/05/18

Keywords

  • Dual co-tuning
  • PLL
  • low RMS jitter
  • wide LR

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