Dual-mode surface acousticwave resonator
AssigneeWisol Co., Ltd.
InventorJin Hong JEONG
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Abstract
A dual-mode SAW resonator constituting a receiver filter according to the present invention includes a first resonator and a second resonator, each being comprised of a plurality of interdigital transducer (IDT) elements; a signal metal pattern connecting signal terminals formed on the plurality of IDT elements; a ground metal pattern connecting ground terminals formed on the above plurality of IDT elements; and a single insulating film configured to insulate the signal metal pattern from the ground metal pattern, wherein the first resonator and the second resonator are connected in series.
Claims5
A dual-mode surface acoustic wave (SAW) resonator constituting a receiver filter, the dual-mode saw resonator comprising:
- a first resonator and a second resonator, each being comprised of a plurality of interdigital transducer (IDT) elements;
- a signal metal pattern connecting signal terminals formed on the plurality of IDT elements;
- a ground metal pattern connecting ground terminals formed on the above plurality of IDT elements;
- and
- a single insulating film configured to insulate the signal metal pattern from the ground metal pattern,
- wherein the first resonator and the second resonator are connected in series.
Dependencies are inferred from the claim text.