Abstract
The full text and images
can be obtained from the U.S. Patent Of fice at http://www.uspto.gov.
8,072,261 December 6, 2011
Power Ampli fier
Inventors: Shingo Y amanouchi (Tokyo, JP) and Kazuaki Kunihiro
(Tokyo, JP)
Assignee: NEC Corporation (Tokyo, JP)
Filed: December 13, 2007.
Appl. No.: 12/520,276
Abstract—A power amplifier based on EER technology or ET technology ex-
tracts an amplitude-modulated component from a modulated signal as an input
signal which includes the amplitude-modulated component