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A dual-mode wavelet based R-wave detector using single-Vt for leakage reduction [cardiac pacemaker applications]

Publiceringsår: 2005
Språk: Engelska
Sidor: 1330-1333
Publikation/Tidskrift/Serie: IEEE International Symposium on Circuits and Systems (ISCAS)
Dokumenttyp: Konferensbidrag
Förlag: IEEE--Institute of Electrical and Electronics Engineers Inc.


This paper presents the implementation of a dual mode wavelet based R-wave detector for cardiac pacemakers. A previously published R-wave detector was developed for a noisy environment. This detector has been supplemented with a noise detector that operates in supervision mode, and automatically activates/deactivates 2/3 of the detector hardware without performance degradation. The noise detection is based on zero-crossing rate computation. A low clock frequency results in leakage power being the main power source. Power estimation shows that the power consumption in an ASIC is reduced by 67% when using gate-transistors in the power supply rails. The detector has been synthesized in 0.13 μm low-leakage CMOS technology


  • Electrical Engineering, Electronic Engineering, Information Engineering
  • electrogram
  • dual-mode wavelet based R-wave detector
  • leakage power reduction
  • cardiac pacemakers
  • supervision mode noise detector
  • noise detection
  • ASIC
  • power supply rail gate-transistors
  • zero-crossing rate computation
  • low-leakage CMOS
  • 0.13 micron
  • EGM detection
  • wavelet filterbank
  • threshold function
  • generalized likelihood ratio test
  • GLRT


IEEE International Symposium on Circuits and Systems (ISCAS), 2005
  • ISBN: 0-7803-8834-8

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