Duplexer with an impedance matching circuit and an...

Details Duplexer with an impedance matching circuit and an... Duplexer with an impedance matching circuit and an...

2005-07-19

2005-07-19

Summons, Barbara (Department: 2817)

Wave transmission lines and networks

Plural channel systems

Having branched circuits

C333S193000

Reexamination Certificate

active

06919778

ABSTRACT:
A duplexer includes a multilayer package, SAW filters that have different band center frequencies and are provided in the multilayer package, and a phase matching line that matches phases of the SAW filters and are provided in the multilayer package. A ground pattern with respect to the phase matching line is provided on a mount surface of the multilayer package.

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