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:
May. 03, 2016
Filed:
Oct. 26, 2011
Huazhang Chen, Shenzhen, CN;
Jianli Liu, Shenzhen, CN;
Jinyuan an, Shenzhen, CN;
Xiaojun Cui, Shenzhen, CN;
Huazhang Chen, Shenzhen, CN;
Jianli Liu, Shenzhen, CN;
Jinyuan An, Shenzhen, CN;
Xiaojun Cui, Shenzhen, CN;
ZTE Corproation, Shenzhen, Guangdong, CN;
Abstract
Disclosed is a Doherty power amplifier apparatus, including: a drive amplifier circuit, a power splitter circuit and a power combiner circuit, wherein the power splittercircuit is connected to the drive amplifier circuit, the apparatus further comprising: a carrier amplifier circuit and a peak amplifier circuit connected in parallel between the power splitter circuit and the power combiner circuit, wherein the carrier amplifier circuit comprises one or more parallel carrier amplification branches, wherein each carrier amplification branch comprises a multi-stage carrier amplifier apparatus, the multi-stage carrier amplifier apparatus is used for achieving multi-stage carrier amplification; and the peak amplifier circuit comprises one or more parallel peak amplification branches, wherein each peak amplification branch comprises a multi-stage peak amplifier apparatus, the multi-stage peak amplifier apparatus is used for achieving multi-stage peak amplification.