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:
May. 10, 2011
Filed:
May. 21, 2010
Woonyun Kim, Johns Creek, GA (US);
Jihwan Kim, Atlanta, GA (US);
Chang-ho Lee, Marietta, GA (US);
Joy Laskar, Marietta, GA (US);
Woonyun Kim, Johns Creek, GA (US);
Jihwan Kim, Atlanta, GA (US);
Chang-Ho Lee, Marietta, GA (US);
Joy Laskar, Marietta, GA (US);
Samsung Electro-Mechanics Company, Ltd., , KR;
Georgia Tech Research Corporation, Atlanta, GA (US);
Abstract
A multi-primary and distributed transformer is provided for one or more sets of parallel-connected or series-connected power amplifiers. The transformer may include a plurality of primary windings, including a first primary winding, a second primary winding, a third primary winding, and a fourth primary winding, where each of the plurality of primary windings is not directly connected to any other of the plurality of primary windings, where each primary winding includes a respective positive port and a negative port for receiving respective differential signals, where each primary winding include a respective first number of turns; and a single secondary winding having a plurality of segments, including a first segment and a second segment, where each segment includes a second number of turns, the second number of turns greater than or equal to the respective first number of turns, where the single secondary winding includes at least one output port.