The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 04, 2026
Filed:
Oct. 27, 2023
Huawei Technologies Co., Ltd., Shenzhen, CN;
Huawei Technologies Co., Ltd., Shenzhen, CN;
Abstract
In accordance with an embodiment, a power supply circuit configured to be coupled to a power amplifier that includes a driving-stage power amplifier and an output-stage power amplifier. The power amplifier is configured to amplify a power of a radio frequency signal, the driving-stage power amplifier is configured to receive the radio frequency signal, and the output-stage power amplifier is configured to receive a radio frequency signal amplified by the driving-stage power amplifier. The power supply circuit includes: a charge pump configured to supply power to the driving-stage power amplifier; and an envelope tracker configured to supply power to the output-stage power amplifier, wherein the charge pump and the envelope tracker are configured to supply power to the power amplifier.