CROSS-COUPLING FILTER ELEMENTS IN RESONANT STRUCTURES WITH BULK WAVES HAVING MULTIPLE HARMONIC RESONANCES

CROSS-COUPLING FILTER ELEMENTS IN RESONANT STRUCTURES WITH BULK WAVES HAVING MULTIPLE HARMONIC RESONANCES

The elementary filter of the HBAR type includes two resonators (20, 22) of the HBAR type which are each formed by a transducer (8) and a substrate (12) which are coupled in a suitable manner by electroacoustic waves. The first resonator (20), the second resonator (22) and the coupling element (28) b...

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Hauptverfasser: BALLANDRAS SYLVAIN, GACHON DORIAN
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
WAVEGUIDES
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creator BALLANDRAS SYLVAIN
GACHON DORIAN
description The elementary filter of the HBAR type includes two resonators (20, 22) of the HBAR type which are each formed by a transducer (8) and a substrate (12) which are coupled in a suitable manner by electroacoustic waves. The first resonator (20), the second resonator (22) and the coupling element (28) by way of evanescent waves include the same monobloc acoustic substrate (12) which is arranged facing and coupled to the piezoelectric transducer (8) by waves having the same longitudinal or transverse vibration mode through the same reference electrode (10).
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
WAVEGUIDES
title CROSS-COUPLING FILTER ELEMENTS IN RESONANT STRUCTURES WITH BULK WAVES HAVING MULTIPLE HARMONIC RESONANCES
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