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US 10,320,064 B2Granted
Multiport amplifiers (MPAs) using output filtering to improve performance over life
AssigneeSpace Systems/Loral, Inc.
InventorsSubrahmanyam V. Vaddiparty, Zheng Tu, Vijaya Korwar Gallagher
Life of this patent
Estimating the term…
Abstract
A payload subsystem of a satellite includes a plurality of transmit antenna feeds, a plurality of frequency filters, and a power amplification arrangement including a plurality of power amplifiers. The power amplification arrangement has at least one multiport amplifier, the multiport amplifier including a plurality of output ports, each output port coupled with a respective one of the plurality of transmit antenna feeds by way of a respective one of the plurality of frequency filters.
Claims20
A payload subsystem of a satellite, comprising:
- a plurality of transmit antenna feeds, a plurality of frequency filters, and a power amplification arrangement including a plurality of power amplifiers, the power amplification arrangement having at least one multiport amplifier, the multiport amplifier including a plurality of output ports, wherein:
- each output port is coupled with a respective one of the plurality of transmit antenna feeds;
- and
- each antenna feed is coupled with a single respective output port by way of a respective one of the plurality of frequency filters.
1 more element
A satellite, comprising:
- a payload subsystem including a plurality of transmit antenna feeds, a plurality of frequency filters, and a power amplification arrangement including a plurality of power amplifiers, the power amplification arrangement having at least one multiport amplifier, the multiport amplifier including a plurality of output ports, wherein:
- each output port coupled with a respective one of the plurality of transmit antenna feeds;
- each antenna feed is coupled with a single respective output port by way of a respective one of the plurality of frequency filters;
- and
- the payload subsystem is configured to operate at a frequency band of Ku band or higher.
2 more elements
Dependencies are inferred from the claim text.