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Simple technique for the accurate determination of delay-time variations in acoustic-surface-wave structures

Simple technique for the accurate determination of delay-time variations in acoustic-surface-wave structures

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A method of determining small variations in delay time of acoustic surface waves is described which is both simple and accurate. As an example, the technique is applied to determining the temperature vanation of delay time of surface waves propagating in the z direction on a y face of lithium niobate.

References

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      • H.E. Kallman . Transversal filters. Proc. Inst. Radio Engrs.
    2. 2)
      • R.H. Tancrell , M.B. Schulz , H.H. Barrett , L. Davis , M.G. Holland . Dispersive delay lines using ultrasonic surface waves. Proc. Inst. Elect. Electron. Engrs.
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      • W.R. Smith . Design of surface wave delay lines with interdigital transducers. IEEE Trans.
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      • E. Bernal , G.D. Chen , T.C. Lee . Low frequency electro-optic and dielectric constants of lithium niobate. Phys. Lett.
    5. 5)
      • A. Fukomoto , A. Watanabe . Temperature dependence of resonant frequencies of LiNbO3 plate resonators. Proc. Inst. Elect. Electron. Engrs.
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