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US 2001/0043024 A1Published application
Surface acoustic wave device
AssigneeMurata Manufacturing Co., Ltd.
InventorsYuichi Takamine, Kazunobu Shimoe, Shigeto Taga
Life of this patent
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Abstract
A surface acoustic wave device includes a piezoelectric substrate, at least one IDT disposed on the piezoelectric substrate, and an input end and an output end connected to the IDT. At least one of the input end and the output end includes a pair of balanced signal terminals, and a delay line or a reactance component connected to one of the pair of balanced signal terminals.
Claims24
A surface acoustic wave device comprising:
- a piezoelectric substrate;
- at least one IDT disposed on the piezoelectric substrate;
- an input end and an output end connected to the IDT, at least one of the input end and the output end including a pair of balanced signal terminals;
- and
- at least one of a delay line and a reactance component connected to one of the pair of balanced signal terminals.
2 more elements
A surface acoustic wave device comprising:
- a piezoelectric substrate;
- at least one IDT disposed on the piezoelectric substrate;
- an input end and an output end connected to the IDT, at least one of the input end and the output end including a pair of balanced signal terminals;
- and
- at least one of a plurality of delay lines and a plurality of reactance components connected to the pair of balanced signal terminals, respectively, and being different from each other.
2 more elements
A surface acoustic wave device comprising:
- a piezoelectric substrate;
- at least one IDT disposed on the piezoelectric substrate;
- an input end and an output end connected to the IDT, at least one of the input end and the output end including a pair of balanced signal terminals;
- and
- a capacitance component connected between the pair of balanced signal terminals.
2 more elements
Dependencies are inferred from the claim text.