Stacked resonator and filter

Details Stacked resonator and filter Stacked resonator and filter

2007-03-01

2009-06-02

Lee, Benny (Department: 2817)

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

C333S206000, C333S219000

Reexamination Certificate

active

07541896

ABSTRACT:
A stacked resonator and a filter are provided which are capable of achieving miniaturization and minimum loss, and also capable of transmitting a balanced signal with superior balance characteristics. There are provided a pair of quarter-wave resonators which are interdigital-coupled to each other. One quarter-wave resonator is constructed of a plurality of conductor lines which are stacked and arranged so as to establish a comb-line coupling. By the stacked arrangement so as to establish a comb-line coupling of the plurality of conductor lines, the conductor thickness of this quarter-wave resonator can be increased virtually thereby reducing the conductor loss. Similarly, the other quarter-wave resonator is constructed of a plurality of conductor lines stacked and arranged so as to establish a comb-line coupling, and hence the conductor thickness of this quarter-wave resonator can be increased virtually thereby reducing the conductor loss.

REFERENCES:
patent: 5892415 (1999-04-01), Okamura
patent: A-2002-190413 (2002-07-01), None
patent: A-2003-007537 (2003-01-01), None
patent: A-2005-045447 (2005-02-01), None
patent: A-2005-080248 (2005-03-01), None

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