Power divider and dual-output radio transmitter

Details Power divider and dual-output radio transmitter Power divider and dual-output radio transmitter

2009-12-10

2011-11-29

Trinh, Sonny (Department: 2618)

Telecommunications

Transmitter

Plural separate transmitters or channels

C455S333000, C333S128000

Reexamination Certificate

active

08068796

ABSTRACT:
A power divider includes a substrate, a signal reception terminal formed in a first layer of the substrate for receiving signals, a first output terminal formed in the first layer for outputting radio-frequency (RF) signals, a matching terminal formed in a third layer of the substrate, a second output terminal formed in the third layer for outputting RF signals, a grounding plate formed in a second layer of the substrate, surrounding a hole and forming a circular shape, a first block transmission line formed at a position corresponding to the hole in the first layer and coupled to the signal reception terminal and the first output terminal, and a second block transmission line formed at a position corresponding to the hole in the third layer, coupled to the matching terminal and the second output terminal, and having a shape identical to a shape of the first block transmission line.

REFERENCES:
patent: 4644302 (1987-02-01), Harris et al.
patent: 6906373 (2005-06-01), Lee
patent: 7324060 (2008-01-01), Quan et al.
patent: 2007/0046393 (2007-03-01), Quan et al.
patent: 2009/0273413 (2009-11-01), Zhang et al.
patent: 2010/0210208 (2010-08-01), Gorbachov
patent: 2010/0321131 (2010-12-01), Tsai et al.
patent: 2011/0032049 (2011-02-01), Tahara et al.
Wu, Title of Invention: Broadband Coupling Filter, U.S. Appl. No. 12/911,738, filed Oct. 26, 2010.

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