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 6646505 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 11, 2003

Filed:

Mar. 26, 2002
Applicant:
Inventors:

Dale Anderson, Colleyville, TX (US);

Michael Shaw, El Dorado Hills, CA (US);

Assignee:

Motorola, Inc., Schaumburg, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/45 ;
U.S. Cl.
CPC ...
H03F 3/45 ;
Abstract

A power amplifier circuit ( ) improves the linearity of an amplified output signal. The power amplifier circuit ( ) includes an input ( ) for receiving a carrier signal ( ) and an array of combined amplifiers ( ) of a predetermined type for amplifying the carrier signal ( ). At least one amplifier ( ) of the predetermined type is located between the input ( ) and the array of combined amplifiers ( ) for amplifying the carrier signal ( ) to produce a predistorted carrier signal ( 1) with a carrier signal component and a distortion component to condition the carrier signal ( ) for input into the array of combined amplifiers ( ), and specifically to compensate for nonlinearities produced by the array of combined amplifiers ( ).


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Anderson, Dale. (2003). Power amplifier array with same type predistortion amplifier (U.S. Patent No. 6646505). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6646505

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