A MEMS-Based GPS-Disciplined Oscillator for Mobile RF Measurement Applications

Stefan Punzet, Thomas F. Eibert

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

Many spatially distributed radio frequency (RF) measurement setups require coherence, i.e., synchronization of their local oscillators (LOs). In static setups, this can be achieved by distributing a common reference clock signal over a wired cable infrastructure. In mobile setups without wired infrastructure, synchronization can be achieved using global positioning system (GPS)-disciplined oscillators (GPSDOs). However, those typically incorporate rather bulky crystal oscillators, which are inherently sensitive to mechanical stress, i.e., vibration and temperature fluctuation. In contrast, micro-electromechanical system (MEMS) oscillators are less sensitive to environmental influences, while maintaining a small footprint. This paper presents a compact MEMS-based GPSDO concept with real-time kinematic (RTK) support for mobile applications. Measurements for short-and long-term frequency stability of the fabricated design are shown.

Original languageEnglish
Title of host publication2024 Kleinheubach Conference, KHB 2024
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9783948571122
DOIs
StatePublished - 2024
Event2024 Kleinheubach Conference, KHB 2024 - Miltenberg, Germany
Duration: 24 Sep 202426 Sep 2024

Publication series

Name2024 Kleinheubach Conference, KHB 2024

Conference

Conference2024 Kleinheubach Conference, KHB 2024
Country/TerritoryGermany
CityMiltenberg
Period24/09/2426/09/24

Keywords

  • GPSDO
  • LO
  • MEMS
  • oscillator
  • RTK
  • synchronization

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