SURFACE ACOUSTIC WAVE (SAW) STRUCTURES WITH TRANSVERSE MODE SUPPRESSION

SURFACE ACOUSTIC WAVE (SAW) STRUCTURES WITH TRANSVERSE MODE SUPPRESSION

Surface acoustic wave (SAW) structures with transverse mode suppression are disclosed. In one aspect, the SAW structure provides digits or fingers with broad interior terminal end shapes. By providing such shapes spurious modes above the resonance frequency of the SAW are suppressed thereby providin...

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Hauptverfasser: Chun, Jun Sung, Yokoyama, Tsuyoshi, Tanaka, Tabito
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
RESONATORS
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creator Chun, Jun Sung
Yokoyama, Tsuyoshi
Tanaka, Tabito
description Surface acoustic wave (SAW) structures with transverse mode suppression are disclosed. In one aspect, the SAW structure provides digits or fingers with broad interior terminal end shapes. By providing such shapes spurious modes above the resonance frequency of the SAW are suppressed thereby providing desired out of band rejection that helps satisfy design criteria such as keeping a higher Q value, a higher K2 value and better Temperature Coefficient of Frequency (TCF).
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subjects BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
RESONATORS
title SURFACE ACOUSTIC WAVE (SAW) STRUCTURES WITH TRANSVERSE MODE SUPPRESSION
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