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:
Apr. 17, 2018
Filed:
Aug. 27, 2014
Deltanode Solutions Ab, Stockholm, SE;
Daniel Kerek, Danderyd, SE;
Peter Lidberg, Strängnäs, SE;
DELTANODE SOLUTIONS AKTIEBOLAG, Stockholm, SE;
Abstract
An amplifier circuit including an amplifying stage and a predistortion stage is disclosed. The amplifier circuit outputs an output signal X. The predistortion stage is arranged for providing a predistortion signal Xto be added to an input signal Xof the amplifier circuit in order to compensate for non-linearites of said amplifying stage. According to the present invention, the amplifier circuit includes a working point unit arranged for determining a suitable working point WPto be used for said amplifying stage based on said predistortion signal X, and for adjusting an actual working point WPbeing used by said amplifying stage towards said suitable working point WP.