SURFACE ACOUSTIC WAVE DEVICE AND APPARATUS INCLUDING THE SAME

SURFACE ACOUSTIC WAVE DEVICE AND APPARATUS INCLUDING THE SAME

A surface acoustic wave device includes: a piezoelectric substrate; an interdigital transducer disposed on the piezoelectric substrate, the interdigital transducer being configured to transduce a driving signal into a surface acoustic wave, and transduce a reflected surface acoustic wave into a resp...

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Hauptverfasser: LEE JAE CHAN, MIN HYE GEUN, KIM KWANG MYUNG, KANG YOUNG GU, KIM DOO HEA, OH JAE GEUN, JEONG JAE YOUN
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
RESONATORS
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creator LEE JAE CHAN
MIN HYE GEUN
KIM KWANG MYUNG
KANG YOUNG GU
KIM DOO HEA
OH JAE GEUN
JEONG JAE YOUN
description A surface acoustic wave device includes: a piezoelectric substrate; an interdigital transducer disposed on the piezoelectric substrate, the interdigital transducer being configured to transduce a driving signal into a surface acoustic wave, and transduce a reflected surface acoustic wave into a response signal; a reflector arranged on the piezoelectric substrate and configured to reflect the surface acoustic wave input from the interdigital transducer; a first antenna disposed on the piezoelectric substrate, the first antenna extending radially from the interdigital transducer, and the first antenna being configured to receive the driving signal and transmit the response signal; and a second antenna disposed on the piezoelectric substrate, the second antenna extending radially from the interdigital transducer to be asymmetrical with respect to the first antenna, and the second antenna being configured to receive the driving signal and transmit the response signal.
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subjects BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
RESONATORS
title SURFACE ACOUSTIC WAVE DEVICE AND APPARATUS INCLUDING THE SAME
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