ASYMMETRIC MULTILEVEL OUTPHASING ARCHITECTURE FOR RF AMPLIFIERS
First Claim
1. A radio frequency (RF) circuit comprising:
- a plurality of RF amplifiers, each of the plurality of RF amplifiers having an RF output and a power supply input;
voltage providing means for providing a plurality of voltages;
means for coupling selected ones of the plurality of voltages provided by said voltage providing means to respective ones of the power supply inputs of the plurality of RF amplifiers, at least two of the outputted voltages capable of being different ones of the plurality of voltages; and
means for combining, having a plurality of input ports with each of the plurality of input ports coupled to a respective one of the output ports of said plurality of RF amplifiers, said means for combining configured to receive RF input signals from each of the plurality of RF amplifiers and for combining RF input signals provided thereto and for providing an RF output signal at an output thereof.
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Accused Products
Abstract
A radio frequency (RF) circuit includes a power supply configured to generate a plurality of voltages, a plurality of power amplifiers, each having an RF output port and a power supply input port, a switch network having a plurality of input ports coupled to the power supply and a plurality of switch network output ports coupled to the power supply input ports of the plurality of power amplifiers, wherein the switch network is configured to output selected ones of the plurality of voltages from the plurality of switch network output ports, at least two of the switch network output port voltages capable of being different ones of the plurality of voltages, and an RF power combiner circuit having a plurality of input ports coupled to RF output ports of the plurality of power amplifiers and an output port at which is provided an output signal of the RF circuit.
42 Citations
16 Claims
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1. A radio frequency (RF) circuit comprising:
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a plurality of RF amplifiers, each of the plurality of RF amplifiers having an RF output and a power supply input; voltage providing means for providing a plurality of voltages; means for coupling selected ones of the plurality of voltages provided by said voltage providing means to respective ones of the power supply inputs of the plurality of RF amplifiers, at least two of the outputted voltages capable of being different ones of the plurality of voltages; and means for combining, having a plurality of input ports with each of the plurality of input ports coupled to a respective one of the output ports of said plurality of RF amplifiers, said means for combining configured to receive RF input signals from each of the plurality of RF amplifiers and for combining RF input signals provided thereto and for providing an RF output signal at an output thereof. - View Dependent Claims (2, 3, 4, 5, 6, 15, 16)
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7. A radio frequency (RF) circuit comprising:
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a plurality of RF amplifiers, each having an RF output port; and an RF combiner circuit having a plurality of input ports coupled to respective ones of the RF output ports of the plurality of RF amplifiers, the RF combiner circuit comprising; a resistance compression network; a rectification circuit coupled to the resistance compression network; and an output port at which is provided an output signal of the RF circuit. - View Dependent Claims (8, 9, 10)
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11. A radio frequency (RF) circuit comprising:
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a power supply configured to generate a plurality of voltages; a switch network having a plurality of input ports coupled to the power supply and a plurality of switch network output ports; a plurality of RF amplifiers, each having an RF output port and a power supply input port coupled to a corresponding one of the plurality of switch network output ports, wherein each of the RF amplifiers has an RF input port configured to receive a phase adjusted signal and the switching circuit is configured to receive at least one control signal, wherein the phase adjusted signals and the at least one switching circuit control signal are used to control the output signal of the RF circuit. - View Dependent Claims (12, 13, 14)
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Specification