Surface acoustic wave apparatus having an interdigital transduce

Details Surface acoustic wave apparatus having an interdigital transduce Surface acoustic wave apparatus having an interdigital transduce

1997-09-16

1999-10-12

Lee, Benny T.

Wave transmission lines and networks

Coupling networks

Electromechanical filter

333194, 310313D, 310313B, H03H 964

Patent

active

059660600

ABSTRACT:
A surface acoustic wave apparatus includes first and second longitudinally-coupled resonator filters disposed on a surface-wave board. In each longitudinally-coupled resonator filter, the ground electrodes of IDTs disposed at opposite sides of the center IDT and adjacent to reflectors are connected to different ground electrodes located on the same layer in the package, with at least two bonding wires.

REFERENCES:
patent: 5561406 (1996-10-01), Ikata et al.
patent: 5585684 (1996-12-01), Abe

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