Multiport amplifiers (MPAs) using output filtering to improve performance over life
First Claim
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1. 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.
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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.
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20 Claims
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1. 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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A satellite, comprising:
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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. - View Dependent Claims (17, 18, 19, 20)
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Specification