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Application of synchronous two-port resonators for measurement of SAW parameters in piezoelectric crystals

By: Soluch, W.;

1998 / IEEE

Description

This item was taken from the IEEE Periodical ' Application of synchronous two-port resonators for measurement of SAW parameters in piezoelectric crystals ' The synchronous two-port resonator can be used for the determination of SAW parameters, including velocity, electromechanical coupling coefficient, and reflection coefficient of one strip. These parameters can be determined from a comparison between the measured and calculated transfer functions of the resonator. Using this technique, the SAW free surface velocity of the 45/spl deg/XZ-cut of lithium tetraborate (Li/sub 2/B/sub 4/O/sub 7/) crystal was found to be equal to 3436 m/s. The other measured parameters agree well with the values found in the literature.