Open AccessBook
Surface Acoustic Wave Devices for Mobile and Wireless Communications
TLDR
In this paper, the authors present a comparison of SAW filter design for Arbitrary Amplitude/Phase Response (AQR) and second-order effects in SAW filters.Abstract:
Fundamentals of Surface Acoustic Waves and Devices: Introduction. Basics of Piezoelectricity and Acoustic Waves. Principles of Linear Phase SAW Filter Design. Equivalent Circuit and Analytic Models for a SAW Filter. SomeMatching and Trade-Off Concepts for SAW Filter Design. Compensation for Second-Order Effects in SAW Filters. Designing SAW Filters for Arbitrary Amplitude/Phase Response. Interdigital Transducers with Chirped or Slanted Fingers. IDT Finger Reflections andRadiation Conductance. Techniques, Devices and Mobile/Wireless Applications: Overview of Systems and Devices. SAW Reflection Gratings and Resonators. Single-Phase Unidirectional Transducers for Low-Loss Filters. RF and Antenna-Duplexer Filters forMobile/Wireless Transceivers. Other RF Front-end and Inter-stage Filters for Mobile/Wireless Transceivers. SAW IF Filters for Mobile Phones and Pagers. Fixed-Code SAW IDTs for Spread-Spectrum Communications. Real-Time SAW Convolvers for Voice and Data Spread-Spectrum Communications. Surface Wave Oscillators and Frequency Synthesizers. SAW Filters for Digital Microwave Radio, Fiber Optic, and Satellite Systems. Postscript. Subject Index.read more
Citations
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Interaction of surface acoustic waves with electronic excitations in graphene
TL;DR: In this paper, the main theoretical and experimental advances regarding the interaction between surface acoustic waves (SAWs) and electronic excitations in graphene are reviewed. And the recent observation of acousto-electric currents in epitaxial graphene on SiC opens the way to the large-scale fabrication of graphene-based acoustoelectric devices patterned directly on a semi-insulating wafer.
Proceedings ArticleDOI
Design and simulation of SAW sensors for wireless sensing
TL;DR: In this article, the design and frequency response simulation of surface acoustic wave (SAW) devices using MATLAB/spl trade/ used for passive wireless sensing of various measurands was presented.
Journal ArticleDOI
Multi-Channel Real-Time Condition Monitoring System Based on Wideband Vibration Analysis of Motor Shafts Using SAW RFID Tags Coupled with Sensors.
TL;DR: In this paper, an augmented transponder solution, combined with low-latency interrogation and signal processing, enables real-time identification and wideband vibration sensing of rotating components.
Journal ArticleDOI
Design of Two-Track Surface Acoustic Wave Filters with Width-Controlled Reflectors
TL;DR: In this paper, the frequency response of two-track surface acoustic wave (SAW) filters with width-controlled reflectors is investigated, and the results obtained in this study can be employed to design IF filters applicable to the code division multiple access (CDMA) system.