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US 9,425,832 B2Granted
Inter carrier-aggregation isolation in a receiver
AssigneeQUALCOMM Incorporated
InventorsAhmed Abdel Monem Youssef, Mehmet Uzunkol, Rui Xu, Ehab Ahmed Sobhy Abdel Ghany, Wingching Vincent Leung, Sang Hyun Woo, Allen He, Li-Chung Chang
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Abstract
A device includes a first amplifier circuit coupled to a first transformer and a second transformer, the first transformer selectively coupled to a first shared power distribution network through a first switch, the second transformer selectively coupled to a second shared power distribution network through a second switch.
Claims13
A device, comprising:
- a first amplifier circuit having outputs coupled to inputs of a first transformer and a second transformer, the first transformer selectively coupled to a first shared power distribution network through a first switch configured to selectively couple the first shared power distribution network to the first transformer, the second transformer selectively coupled to a second shared power distribution network through a second switch configured to selectively couple the second shared power distribution network to the second transformer, each of the first and second shared power distribution networks shared with one or more other transformers.
A method comprising:
- selectively coupling a first transformer to a first shared power distribution network through a first switch and a second transformer to a second shared power distribution network through a second switch based on a carrier-aggregation mode, each of the first and second shared power distribution networks shared with one or more other transformers;
- and
- amplifying a first carrier-aggregation (CA) signal and a second carrier-aggregation (CA) signal by a first amplifier circuit having outputs coupled to inputs of the first transformer and the second transformer, the selective coupling isolating the first CA signal from the second CA signal.
Dependencies are inferred from the claim text.