Referenced Items are not available for this document.
A system is proposed to convert ambient mechanical vibration into electrical energy for use in powering autonomous low power electronic systems. The energy is transduced through the use of a variable capacitor. Using microelectromechanical systems (MEMS) technology, such a device has been designed for the system. A low-power controller IC has been fabricated in a 0.6-/spl mu/m CMOS process and has been tested and measured for losses. Based on the tests, the system is expected to produce 8 /spl mu/W of usable power. In addition to the fabricated programmable controller, an ultra low-power delay locked loop (DLL)-based system capable of autonomously achieving a steady-state lock to the vibration frequency is described.
Published in:
Very Large Scale Integration (VLSI) Systems, IEEE Transactions on
(Volume:9
,
Issue:
1
)
Date of Publication: Feb. 2001
- Page(s):
- 64 - 76
- ISSN :
- 1063-8210
- INSPEC Accession Number:
- 6938211
- Digital Object Identifier :
- 10.1109/92.920820
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 07 August 2002
- Issue Date :
- Feb. 2001
- Sponsored by :
- IEEE Circuits and Systems Society
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