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:
Dec. 31, 2013
Filed:
Jun. 01, 2012
Jie-wei Lai, Taipei, TW;
Meng-hsiung Hung, Hsinchu, TW;
Robert Bogdan Staszewski, Delft, NL;
Mediatek Inc., Science-Based Industrial Park, Hsin-Chu, TW;
Abstract
A multi-stage digitally-controlled power amplifier (DPA) includes a radio-frequency (RF) clock input, an amplitude control word (ACW) input, a plurality of drivers, and an output stage. The RF clock input is arranged for receiving an RF clock. The ACW input is arranged for receiving a digital ACW signal. The drivers are coupled to the RF clock, and arranged for producing a plurality of intermediate signals, wherein at least one driver of the drivers is responsive to at least one bit of the digital ACW signal. The output stage is coupled to the intermediate signals, and arranged for producing an output signal.