Satellite amplifier system

Details Satellite amplifier system Satellite amplifier system

2007-08-14

2007-08-14

Phan, Dao L. (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Directive

Including a steerable array

C342S374000, C455S013300

Reexamination Certificate

active

10886611

ABSTRACT:
A satellite amplifier system100adapted to amplify and distribute flexibly P input transmission channels to N outputs each corresponding to one beam includes a switch102having at least P inputs for routing the plurality P of transmission channels to a plurality of outputs, at least one Butler matrix103each input of which is connected to an output of the switch, and at least one inverse Butler matrix104, each output of the Butler matrix being connected to a corresponding input of the inverse Butler matrix by an amplifier105. The system100further includes a plurality of output demultiplexers109for separating a plurality of transmission channels by frequency, the input of each of the output demultiplexers being connected to an output of the inverse Butler matrix.

REFERENCES:
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patent: 5638024 (1997-06-01), Dent et al.
patent: 5917371 (1999-06-01), Chesarek et al.
patent: 5955920 (1999-09-01), Reudink et al.
patent: 6340948 (2002-01-01), Munoz-Garcia et al.
patent: 2004/0259497 (2004-12-01), Dent
patent: 195 49 356 (1996-10-01), None

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