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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.

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Citations
More filters
Journal ArticleDOI

Design considerations on surface acoustic wave resonators with significant internal reflection in interdigital transducers

TL;DR: This paper discusses the operation and the design principle of current surface acoustic wave (SAW) resonators in which the internal reflection within interdigital transducers (IDTs) is not negligible and lower capacitance ratio is necessary.
Journal ArticleDOI

2-Dimentional photoconductive MoS2 nanosheets using in surface acoustic wave resonators for ultraviolet light sensing

TL;DR: In this article, a 2D wide band-gap semiconductor molybdenum disulfide (MoS2) nanosheets as an ultraviolet (UV) photo-conductive material were used in surface acoustic wave (SAW) resonators for UV light sensing.
Journal ArticleDOI

Inverse Determination of Coupling of Modes Parameters of Surface Acoustic Wave Resonators

TL;DR: In this paper, the authors employed an inverse algorithm to recover the coupling of modes (COM) parameters from the measured admittance of a one-port SAW resonator based on the P-matrix representation.
Journal ArticleDOI

An Energy Autonomous 400 MHz Active Wireless SAW Temperature Sensor Powered by Vibration Energy Harvesting

TL;DR: An energy autonomous active wireless surface acoustic wave (SAW) temperature sensor system that adopts direct temperature to frequency conversion using a lithium niobate SAW resonator for both temperature sensing and high-Q resonator core in a cross-coupled RF oscillator to reduce the overall system power consumption.
Journal ArticleDOI

Damage detection testing on a helicopter flexbeam

TL;DR: In this paper, an integrated sensor system that continuously monitors the structural integrity of the rotor system is needed to assure the safety of flight and reduce the cost of maintenance of the helicopter.