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1. (WO2007001720) APPARATUS FOR REMOVING DISTORTIONS CREATED BY AN AMPLIFIER
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2007/001720 International Application No.: PCT/US2006/020838
Publication Date: 04.01.2007 International Filing Date: 26.05.2006
IPC:
H03F 1/30 (2006.01)
H ELECTRICITY
03
BASIC ELECTRONIC CIRCUITRY
F
AMPLIFIERS
1
Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
30
Modifications of amplifiers to reduce influence of variations of temperature or supply voltage
Applicants:
MOTOROLA, INC. [US/US]; 1303 East Algonquin Road Schaumburg, Illinois 60196, US (AllExceptUS)
PORCO, Ronald L., [US/US]; US (UsOnly)
ANDERSON, Dale R., [US/US]; US (UsOnly)
Inventors:
PORCO, Ronald L.,; US
ANDERSON, Dale R.,; US
Agent:
ANOLICK, Simon B., ; 1303 East Algonquin Road Schaumburg, Illinois 60196, US
Priority Data:
11/157,76621.06.2005US
Title (EN) APPARATUS FOR REMOVING DISTORTIONS CREATED BY AN AMPLIFIER
(FR) ELIMINATION DES DISTORSIONS PROVOQUEES PAR UN AMPLIFICATEUR
Abstract:
(EN) A power amplifier has a non-linear low power pre-distortion amplifier (112) for transforming a carrier signal (111) to a pre-distorted signal (113) having a carrier component with out-of-phase non-linear distortions, and a non-linear power amplifier (114) having non-linear characteristics similar to a portion of the non-linear low power pre-distortion amplifier for generating from the pre-distorted signal a transmission signal (115) having an amplified carrier component with substantially diminished non-linear distortions.
(FR) Cette invention concerne un amplificateur de puissance à pré-distorsion, basse puissance, non linéaire (112) permettant de transformer un signal porteur (111) en un signal à pré-distorsion (113) dont la composante porteuse présente des distorsions non linéaires déphasées, et un amplificateur de puissance non linéaire présentant des caractéristiques de non linéarité analogues à une partie de l'amplificateur à pré-distorsion, basse puissance, non linéaire, capable de générer à partir du signal à pré-distorsion un signal de transmission (115) assorti d'une composante porteuse amplifiée présentant des distorsions non linéaires sensiblement réduites.
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Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, LY, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RU, SC, SD, SE, SG, SK, SL, SM, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, YU, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LT, LU, LV, MC, NL, PL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)
Also published as:
CN101204007