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. 01, 2008
Filed:
Mar. 11, 2004
Moshe Ben-ayun, Shoham, IL;
Gabriela Nocham, Tel-Aviv, IL;
Mark Rozental, Gedera, IL;
Motorola, Inc., Schaumburg, IL (US);
Abstract
A wireless communication unit () comprises a linearised transmitter () having a forward path, a power amplifier () and a feedback loop, operably coupled to the power amplifier () and the forward path. The feedback loop comprises a loop adjustment function (), and the forward path and feedback loop comprise quadrature circuits. A processor () applies a first training signal to a first quadrature circuit loop for routing through the forward path, power amplifier and feedback path to determine at least one first parameter setting of the loop adjustment function (). The processor () also applies a second training signal to a second quadrature circuit loop to determine at least a second parameter setting of the loop adjustment function ().