Determining equivalent circuit parameters for low figure of merit transducers

Acoustic Research Letters Online

Volumn 5, Issue , 2004, Pages 106-110

  Marshall, William J ^a   Brigham, Gerald A ^b  

^a Raytheon Integrated Defense Systems   (United States)

^b NONE   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CAPACITANCE CURVES; DISSIPATION CURVES; MERIT TRANSDUCERS;

CAPACITANCE; DATA REDUCTION; DEGREES OF FREEDOM (MECHANICS); ELECTRIC FREQUENCY CONTROL; EQUIVALENT CIRCUITS; NATURAL FREQUENCIES; PIEZOELECTRIC DEVICES; RESONATORS;

TRANSDUCERS;

EID: 2942718745     PISSN: 15297853     EISSN: None     Source Type: Journal    
DOI: 10.1121/1.1756031     Document Type: Article

References (7)

1. IRE Standards on Piezoelectric Crystals, Proc. IRE, (July 1961), pp.1162-1169.
2. R.S. Woollett, "Effective coupling factor of single-degree-of- freedom transducers," J. Acoust. Soc. Am. 40, 1112-1123 (1966).
3. I.E. Fair, "Piezoelectric crystals in oscillator circuits," Bell Syst. Tech. J., 24, 161-216 (1945).
4. D. Stansfield, Underwater Electroacoustic Transducers (Bath U. P., Bath, UK, 1991), p. 89.
5. G.E. Martin, "Determination of equivalent circuit constants of piezoelectric resonators of moderately low Q by absolute admittance measurements," J. Acoust. Soc. Am. 26, 413-420 (1954).
6. K. Shibayama, "Measurement of small values of electromechanical coupling coefficient in piezoelectric transducers," J. Acoust. Soc. Am. 34, 1883-1886 (1962).
7. D.H. Turnbull, M.D. Sherar, and F.S. Foster, "Determination of electromechanical coupling coefficients in transducer materials with high mechanical losses," 1988 IEEE Ultrasonics Symposium, pp. 631-634.