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Browse Conference Publications > Sensors, 2007 IEEE ... Help

A Novel Micro Rate Sensor using a Surface-Acoustic-Wave (SAW) Delay-line Oscillator

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4 Author(s)
Sang Woo Lee ; Agency for Defense Dev., Daejeon ; Jae Wook Rhim ; Sin Wook Park ; Sang Sik Yang

A micro rate sensor (MRS) using a SAW oscillator is proposed for extremely high shock military applications. It is based on the SAW gyroscopic effect and consists of a pair of delay-line oscillators for a differential operating scheme. The SAW gyroscopic gain factor in ST-cut quartz not only is derived theoretically but also is verified by experiment. The 9times9 mm2 SAWMRS was fabricated and loaded into a specially designed LTCC (Low Temperature Co-fired Ceramic) package. We evaluated the performance of the SAWMRS, using a rate table, revealing a sensitivity of 0.431 Hz/deg/s in the angular rates up to 2,000 deg/s and a white noise of 0.55 deg/s/VHz, respectively. Consequently, the feasibility of the proposed SAWMRS was verified, through a set of performance evaluations, confirming the theoretical predictions.

Published in:
Sensors, 2007 IEEE

Date of Conference: 28-31 Oct. 2007

Page(s):
1156 - 1159
ISSN :
1930-0395
E-ISBN :
978-1-4244-1262-4
Print ISBN:
978-1-4244-1262-4
INSPEC Accession Number:
9799129
Conference Location :
Atlanta, GA
Digital Object Identifier :
10.1109/ICSENS.2007.4388612
Product Type:
Conference Publications

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