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A Dual VCO Based L5/S Band PLL with Extended Range Divider for IRNSS Application

  • Indian Institute of Technology Hyderabad

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

6 Scopus citations

Abstract

This paper presents a dual voltage controlled oscillator (VCO) based integer-N phase locked loop (PLL) for navigation receiver operating at L 5-band and S-band. The PLL incorporates a multiplexer based extended range multi modulus divider (MMD) in the feedback path to cater to both L 5 and S band. Fabricated in UMC 65-nm CMOS, the PLL consumes 7.9 mW power from 1.0 V supply. The PLL achieves a phase-noise (PN) of-121 dBc/Hz and-120 dBc/Hz at 1 MHz offset for L 5 band and S-band, respectively achieving a best figure-of-merit (FoM) of 179.9 dBc/Hz.

Original languageEnglish
Title of host publicationIEEE International Symposium on Circuits and Systems, ISCAS 2022
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1699-1703
Number of pages5
ISBN (Electronic)9781665484855
DOIs
StatePublished - 2022
Event2022 IEEE International Symposium on Circuits and Systems, ISCAS 2022 - Austin, United States
Duration: May 27 2022 → Jun 1 2022

Publication series

NameProceedings - IEEE International Symposium on Circuits and Systems
Volume2022-May
ISSN (Print)0271-4310

Conference

Conference2022 IEEE International Symposium on Circuits and Systems, ISCAS 2022
Country/TerritoryUnited States
CityAustin
Period05/27/22 → 06/1/22

Keywords

  • Phase Locked Loop
  • Voltage Controlled Oscillator
  • extended range multi modulus divider
  • phase noise
  • switched capacitor

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