NDLI: Scattering analysis of SAW asymmetrical resonators and delay lines

Content Provider	IET Digital Library
Author	Soluch, W.
Abstract	Analytical expressions for the transfer function and reflection coefficients of the surface acoustic wave (SAW) two-port asymmetrical resonator were obtained using the scattering matrix method. This resonator consists of two different interdigital transducers (IDTs) and reflectors located asymmetrically with respect to the centre of the resonator structure. Equations for the normalised amplitudes for forward and backward travelling SAWs in areas between the IDTs and reflectors have been written and solved. Numerical calculations of the above functions are possible by using the analytical expressions for the admittances and the scattering coefficients of the IDTs and the reflection coefficients of the reflectors. The analytical expressions obtained for the two-port asymmetrical resonator can also be used for the analysis and design of asymmetrical one-port resonators and delay lines.
Starting Page	1623
Ending Page	1624
Page Count	2
ISSN	00135194
Volume Number	51
e-ISSN	1350911X
Issue Number	Issue 21, Oct (2015)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/51/21
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2015.2555
Journal	Electronics Letters
Publisher Date	2015-10-01
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Acoustic Wave Device Algebra Asymmetrical One-port Resonator Backward Travelling SAW Delay Line Forward Travelling SAW IDT Interdigital Transducers Reflection Coefficient S Matrix Theory SAW Two-port Asymmetrical Resonator Scattering Coefficient Scattering Matrix Method Sonic And Ultrasonic Transducers Surface Acoustic Wave Surface Acoustic Wave Parametric Amplifier Transfer Function
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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