A 5 GHz double-sideband radar sensor chip in 0.18 μm CMOS for non-contact vital sign detection

Changzhi Li, Yanming Xiao, Jenshan Lin

Research output: Contribution to journalArticle

46 Scopus citations

Abstract

A 5 GHz double-sideband radar sensor chip for non-contact vital sign detection was designed and fabricated in UMC 0.18 μm mixed-mode/radio frequency CMOS process. The transceiver was designed with a differential architecture. Measurements show that it has over 1 GHz tuning range, and can successfully detect both the respiration and the heartbeat signals of a human subject. It is also shown that the differential architecture has the advantage of reducing local oscillation leakage. The 5 GHz double-sideband system can avoid null detection point by frequency tuning.

Original languageEnglish
Article number4538242
Pages (from-to)494-496
Number of pages3
JournalIEEE Microwave and Wireless Components Letters
Volume18
Issue number7
DOIs
StatePublished - Jul 2008

Keywords

  • CMOS
  • Cardiopulmonary
  • Double-sideband
  • Heartbeat
  • Low-power
  • Microwave
  • Non-contact
  • Radar
  • Respiration
  • Sensor
  • Vital sign

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