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.:

US 8253494 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 28, 2012

Filed:

Dec. 14, 2010
Applicant:

Igor Blednov, Nijmegen, NL;

Inventor:

Igor Blednov, Nijmegen, NL;

Assignee:

NXP B.V., Eindhoven, NL;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/68 (2006.01);
U.S. Cl.
CPC ...
Abstract

A combination amplifier () is provided which comprises a carrier amplifier () and a series connection of a first peak amplifier () and a second peak amplifier () which are provided with a phase-shifted input signal relative to the input signal supplied to the carrier amplifier, wherein a transfer characteristics of the combination amplifier may be optimized by independently adjusting transfer characteristics of the carrier amplifier, the first peak amplifier and the second peak amplifier. Thereby, a linearity and/or an efficiency of the combination amplifier may be improved compared to a conventional Doherty amplifier.


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Blednov, Igor. (2012). Doherty amplifier with composed transfer characteristic having multiple peak amplifiers (U.S. Patent No. 8253494). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8253494

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