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:
Dec. 27, 2016
Filed:
Sep. 18, 2013
Applicant:
Zte Corporation, Shenzhen, Guangdong, CN;
Inventors:
Assignee:
ZTE Corporation, Shenzhen, Guangdong, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03F 3/68 (2006.01); H03F 1/02 (2006.01); H03F 3/24 (2006.01); H03F 3/60 (2006.01); H03F 3/20 (2006.01);
U.S. Cl.
CPC ...
H03F 1/02 (2013.01); H03F 1/0288 (2013.01); H03F 3/20 (2013.01); H03F 3/245 (2013.01); H03F 3/602 (2013.01); H03F 2200/171 (2013.01); H03F 2200/204 (2013.01); H03F 2200/207 (2013.01);
Abstract
A Doherty power amplifier circuit is provided, which includes a power divider circuit, and a power amplifier circuit connected with the power divider circuit; this Doherty power amplifier circuit further includes a combination output circuit connected with the power amplifier circuit, wherein the combination output circuit is a rheostat filter coupler, or a rheostat filter, or a rheostat coupler. By adopting the circuit, the size of a power amplifier circuit can be reduced, the cost of the power amplifier circuit can be lowered, and the efficiency of a power amplifier can be improved.