INTEGROUS SIGNAL COMBINER
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Abstract
A front-end module (FEM) is disclosed that includes an integrous signal combiner. The integrous signal combiner can process received signals and use a set of resonant circuits to filter signal noise prior to recombination of a plurality of signal bands that form an aggregate carrier signal. These resonant circuits may be placed after a set of low noise amplifiers and can be used to more efficiently reduce noise and parasitic loading within each of a set of signal paths. Each resonant circuit may be configured to filter noise relating to a bandwidth for a signal that is to be combined with the signal of the signal path that includes the resonant circuit. In some implementations, the integrous signal combiner can be a tunable integrous signal combiner with resonant circuits that may be reconfigurable or dynamically configurable.
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Citations
21 Claims
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1. (canceled)
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2. A tunable integrous signal combiner comprising:
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a first dynamically configurable amplification circuit configured to amplify signals of a first frequency band while filtering noise associated with at least one alternative frequency band; a second dynamically configurable amplification circuit configured to amplify signals of a second frequency band while filtering noise associated with at least one alternative frequency band; and a controller configured to determine a frequency of a first signal in a multiband signal and configure the first dynamically configurable amplification circuit to filter out noise associated with the second frequency band upon a determination that the frequency of the first signal is within the second frequency band. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A front-end module comprising:
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a multiplexer configured to receive a multiband signal from an antenna and provide the multiband signal to an integrous signal combiner; and the integrous signal combiner including a first dynamically configurable amplification circuit configured to amplify signals of a first frequency band while filtering noise associated with at least one alternative frequency band, a second dynamically configurable amplification circuit configured to amplify signals of a second frequency band while filtering noise associated with at least one alternative frequency band, and a controller configured to determine a frequency of a first signal in the multiband signal and to configure the first dynamically configurable amplification circuit to filter out noise associated with the second frequency band upon a determination that the frequency of the first signal is within the second frequency band. - View Dependent Claims (15, 16, 17, 18, 19)
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20. A wireless device comprising:
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an antenna configured to receive a multiband signal from a signal source; and a front-end module including a multiplexer and a signal combiner, the multiplexer configured to split the multiband signal into a first signal and a second signal, and to provide the first signal and the second signal to the signal combiner, the signal combiner including a first dynamically configurable amplification circuit configured to amplify signals of a first frequency band while filtering noise associated with at least one alternative frequency band, a second dynamically configurable amplification circuit configured to amplify signals of a second frequency band while filtering noise associated with at least one alternative frequency band, and a controller configured to determine a frequency of the first signal and to configure the first dynamically configurable amplification circuit to filter out noise associated with the second frequency band upon a determination that the frequency of the first signal is within the second frequency band. - View Dependent Claims (21)
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Specification