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Radio frequency amplifier circuit |
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Radio frequency amplifier circuit |
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Film bulk acoustic wave resonator and method for manufacturing the same |
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Dual mode piezoelectric filter, method of manufacturing the same, high frequency circuit component and communication device using the same |
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Piezoelectric filter, antenna duplexer, and communications apparatus employing piezoelectric resonator |
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Piezoelectric resonator and method for producing the same |
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