Referenced Items are not available for this document.
A digital pressure sensor using a double-gate MOSFET mixer is presented. The sensitive unit of this pressure sensor is comprised of MOS ring oscillators. The syntonic frequency of the ring oscillators will change according to the stress caused by pressure due to the MOSFET piezoresistive effect. The double-gate MOSFET mixer is used as an internal signal processor in order to improve the characteristics of the output signal. The pressure sensor has many good characteristics such as high sensitivity, low temperature coefficient and simple fabrication process. The device was fabricated by a standard IC process mixed with a MEMS process. The sensitivity of fabricated devices is 1.52 kHz/kPa. The temperature shift of zero output is -0.5% FS.
Published in:
Solid-State and Integrated Circuits Technology, 2004. Proceedings. 7th International Conference on
(Volume:3
)
Date of Conference: 18-21 Oct. 2004
- Page(s):
- 1796 - 1799 vol.3
- Print ISBN:
- 0-7803-8511-X
- INSPEC Accession Number:
- 8412149
- Digital Object Identifier :
- 10.1109/ICSICT.2004.1435182
- Product Type:
- Conference Publications
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