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US Patent 12028029 Radio-frequency power generator and control method

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Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent
1

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
120280291
Patent Inventor Names
David J. Perreault1
Haoquan Zhang1
Anas Al Bastami1
Date of Patent
July 2, 2024
1
Patent Application Number
182998081
Date Filed
April 13, 2023
1
Patent Citations
‌
US Patent 8824978 RF amplifier architecture and related techniques
1
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US Patent 8957727 Asymmetric multilevel outphasing architecture for RF amplifiers
1
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US Patent 9020453 RF amplifier architecture and related techniques
1
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US Patent 9923518 Phase-switched impedance modulation amplifier
1
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US Patent 9166536 Transmitter architecture and related methods
1
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US Patent 10790784 Generation and synchronization of pulse-width modulated (PWM) waveforms for radio-frequency (RF) applications
1
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US Patent 7719377 Alternating digital RF modulation
1
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US Patent 8164384 Asymmetric multilevel outphasing architecture for RF amplifiers
1
Patent Primary Examiner
‌
William Hernandez
1
CPC Code
‌
H03F 2200/451
1
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H03F 3/2178
1
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H03F 3/211
1
Patent abstract

A power generator includes a plurality of amplifier blocks and a combiner. Each of the amplifier blocks include one or more amplifiers, and the combiner combines modulated power signals output from the amplifier blocks to generate an RF power signal of a load. The amplifier blocks are controlled to outphase the modulated power signals based on a phase angle. Ones of the amplifier blocks may perform discrete modulation to generate a respective one of the modulated power signals. The discrete modulation includes selecting different combinations of the amplifiers in one or more of the amplifier blocks to change the RF power signal in discrete steps. In embodiments, the amplifiers may be radio frequency power amplifiers.

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