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:
Nov. 13, 2007
Filed:
Nov. 18, 2004
Tushar Ramanlal Shah, Milpitas, CA (US);
Gerald K. Wong, Cupertino, CA (US);
Korhan Titizer, Saratoga, CA (US);
Tushar Ramanlal Shah, Milpitas, CA (US);
Gerald K. Wong, Cupertino, CA (US);
Korhan Titizer, Saratoga, CA (US);
Beecem Communications Inc., Santa Clara, CA (US);
Abstract
A Doherty amplifier that includes a main amplifier device and an auxiliary amplifier device. The main amplifier device includes a plurality of independently controllable amplifier segments. The system further includes a coupler for coupling an input signal to each of the main amplifier device and the auxiliary amplifier device. The system further includes an impedance inverter for power combining an output signal of the main amplifier device with an output signal of the auxiliary amplifier device.