Ceramic RF triplexer

Details Ceramic RF triplexer Ceramic RF triplexer

2006-07-11

2006-07-11

Ho, Tan (Department: 2821)

Wave transmission lines and networks

Plural channel systems

Having branched circuits

C333S202000, C333S207000, C333S222000, C333S206000, C343S909000

Reexamination Certificate

active

07075388

ABSTRACT:
A monoblock ceramic triplexer for connection to an antenna, a transmitter, a receiver and a GPS receiver is described. The triplexer includes a solid, monolithic core of dielectric material defining a plurality of through-holes extending between top and bottom surfaces. The surfaces of the core present a pattern of metallized and unmetallized areas including a relatively expansive metallized area, a transmitter coupling area, first and second receiver coupling areas spaced, an antenna coupling metallized area and an unmetallized area circumscribing at least one of the openings on the top surface. The antenna coupling metallized area includes a top surface extension towards the first receiver coupling area, and the expanded metallized area includes a top surface extension between adjacent resonator through-holes.

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