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.

Date of Patent:
Apr. 10, 2018

Filed:

Mar. 19, 2014
Applicant:

Telefonaktiebolaget Lm Ericsson (Publ), Stockholm, SE;

Inventor:

Richard Hellberg, Huddinge, SE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/68 (2006.01); H03F 3/60 (2006.01); H03F 1/02 (2006.01); H03F 3/19 (2006.01);
U.S. Cl.
CPC ...
H03F 3/602 (2013.01); H03F 1/0288 (2013.01); H03F 3/19 (2013.01); H03F 2200/255 (2013.01); H03F 2200/405 (2013.01); H03F 2200/451 (2013.01);
Abstract

An amplifier arrangement comprises N amplifier stagesto, wherein N is an integer equal or greater than five. The amplifier arrangement comprises a cascade of quarter wavelength transmission line segmentstocoupled between an output of an amplifier of a first amplifier stage and an output nodeof the amplifier arrangement. At least one intermediate junctionin the cascade of quarter wavelength transmission line segments comprises: a first amplifier coupled directly to the intermediate junctionand a second amplifier coupled to the same intermediate junctionvia a connecting quarter wavelength trans mission line.


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