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:
Jan. 18, 2022
Filed:
Feb. 05, 2018
Applicant:
Telefonaktiebolaget Lm Ericsson (Publ), Stockholm, SE;
Inventor:
Zhancang Wang, Beijing, CN;
Assignee:
Telefonaktiebolaget LM Ericsson (publ), Stockholm, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/217 (2006.01); H03F 1/02 (2006.01); H03F 3/195 (2006.01); H03F 3/24 (2006.01);
U.S. Cl.
CPC ...
H03F 1/0227 (2013.01); H03F 3/195 (2013.01); H03F 3/245 (2013.01); H03F 2200/102 (2013.01); H03F 2200/33 (2013.01); H03F 2200/451 (2013.01);
Abstract
An H-bridge power amplifier arrangement with envelope tracking is disclosed. The power amplifier arrangement comprises four elements form the four corner bars of a first H-bridge structure with a load formed as the cross bar of the first H-bridge structure. The power amplifier arrangement further comprises a rectifier circuit coupled between the first positive power supply and the third positive power supply configured to recycle the sinking envelope current.