scispace - formally typeset
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
More filters
Journal ArticleDOI

Insulin Surface Acoustic Wave Immunosensor Based on Immobilized C60/Anti-insulin Antibody

TL;DR: Within the range of normal human insulin concentration, the SH-SAW immunosensors immobilized with C 60 /anti-insulin exhibited linear frequency responses to the concentration of insulin with a sensitivity of 130 Hz/pM.

Investigation of nanostructured conducting polymers and graphene/polyaniline nanocomposite based thin films for hydrogen gas sensing

TL;DR: In this article, a novel conductometric and layered surface acoustic wave (SAW) hydrogen gas sensors based on nanostructured conducting polymers and graphene/polyaniline nanocomposite are reported.

H 2 and NO 2 Gas Sensors with ZnO Nanobelt Layer on 36° LiTaO 3 and 64° LiNbO 3 SAW Transducers

TL;DR: In this paper, single crystal nanobelts of ZnO were synthesized and deposited onto 36° YX LiTaO3 and 64° LiNbO3 Surface Acoustic Wave (SAW) devices for gas sensing applications.
Journal ArticleDOI

Modeling a longitudinally coupled dual-mode leaky-SAW resonator filter with enhanced upper-sideband suppression

TL;DR: Coupling-of-modes (COM) and bandstop-filter modeling is applied to realize enhanced upper-sideband suppression of a longitudinally coupled (first/third) dual-mode leaky SAW (LSAW) resonator filter by incorporation of a selectively valued capacitor between input and output terminals.
Proceedings ArticleDOI

SAW chemical sensors based on AlGaN/GaN piezoelectric material system: acoustic design and packaging considerations

TL;DR: In this article, the authors present the modeling of the mechanical part of a MEMS (microelectromechanical systems)-based sensor for identifying environmental contaminants and chemical or biological agents in large applications scale.