Metamaterial power amplifier systems
First Claim
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1. A power amplifying system configured to operate for a plurality of frequency bands, comprising:
- one or more transistors configured to receive input signals in the plurality of frequency bands and configured to amplify the input signals to generate output signals in the plurality of frequency bands;
an output matching network, located downstream from the one or more transistors along a data pathway, configured to perform output impedance matching for the output signals in the plurality of frequency bands; and
a frequency selecting module, located downstream from the output matching network along the data pathway, that is coupled to the output matching network and configured to direct the output signal in each of the plurality of frequency bands to an output signal path associated with the frequency band;
wherein the frequency selecting module includes at least one filtering element configured to direct signals by filtering signals based on their frequency, wherein certain signals are allowed to pass and other signals are removed via filtration.
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Abstract
Power amplifying systems and modules and components therein are designed based on CRLH structures, providing high efficiency and linearity.
14 Citations
11 Claims
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1. A power amplifying system configured to operate for a plurality of frequency bands, comprising:
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one or more transistors configured to receive input signals in the plurality of frequency bands and configured to amplify the input signals to generate output signals in the plurality of frequency bands; an output matching network, located downstream from the one or more transistors along a data pathway, configured to perform output impedance matching for the output signals in the plurality of frequency bands; and a frequency selecting module, located downstream from the output matching network along the data pathway, that is coupled to the output matching network and configured to direct the output signal in each of the plurality of frequency bands to an output signal path associated with the frequency band; wherein the frequency selecting module includes at least one filtering element configured to direct signals by filtering signals based on their frequency, wherein certain signals are allowed to pass and other signals are removed via filtration. - View Dependent Claims (2, 3, 4)
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5. A power amplifying system configured to operate for a plurality of frequency bands, comprising:
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an input matching network configured to perform input impedance matching for input signals in the plurality of frequency bands; a frequency selecting module that is coupled to the input matching network and configured to direct the input signal in each of the plurality of frequency bands to an input signal path associated with the corresponding frequency band; and one or more transistors configured to receive the input signals in the plurality of frequency bands and configured to amplify the input signals to generate output signals in the plurality of frequency bands; wherein the frequency selecting modules includes at least one filtering element configured to direct signals by filtering signals based on their frequency, wherein certain signals are allowed to pass and other signals are removed via filtration wherein, along a data pathway, the frequency selection module is upstream from the input matching network, and the one or more transistors is located downstream from the input matching network. - View Dependent Claims (6, 7, 8)
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9. A method of making a power amplifying system operable for a plurality of frequency bands, the method comprising:
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receiving input signals in the plurality of frequency bands; amplifying the input signals to generate output signals in the plurality of frequency bands; matching an output impedance for the output signals in the plurality of frequency bands; directing, after the matching, the output signal in each of the plurality of frequency bands to an output signal path associated with the frequency band; wherein said directing comprises filtering the output signal, wherein certain signals are allowed to pass and other signals are removed via filtration. - View Dependent Claims (10)
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11. A method of making a power amplifying system operable for a plurality of frequency bands, the method comprising:
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receiving input signals in the plurality of frequency bands; directing the received input signals in each of the plurality of frequency bands to an input signal path associated with the plurality of frequency bands; matching, after the directing, an input impedance of the received and directed input signals; and amplifying the directed input signals to generate output signals in the plurality of frequency bands; wherein said directing comprises filtering the received input signals, wherein certain signals are allowed to pass and other signals are removed via filtration.
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Specification