Title:
DOHERTY AMPLIFIER
Document Type and Number:
Japanese Patent JP2014175824
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a Doherty amplifier that implements optimum efficiency independently of a modulation signal and a frequency.SOLUTION: The Doherty amplifier includes: a carrier amplifier; a peak amplifier; a Doherty output combiner; a baseband signal distribution section for dividing a baseband signal in two; an RF signal generation section A for outputting an RF modulation signal to be input into the carrier amplifier; a baseband signal generation section A for generating a baseband signal to be input into RF signal generation section A; an RF signal generation section B for outputting an RF modulation signal to be input into the peak amplifier; and a baseband signal generation section B for generating a baseband signal to be input into the RF signal generation section B. The baseband signal generation section B corrects an amplitude characteristic and a phase characteristic of the baseband signal.
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Inventors:
UCHIYAMA KAZUHIRO
Application Number:
JP2013046310A
Publication Date:
September 22, 2014
Filing Date:
March 08, 2013
Export Citation:
Assignee:
PANASONIC CORP
International Classes:
H03F1/07; H03F1/02; H03F3/24
Attorney, Agent or Firm:
Hiroki Naito
Fujii Kentaro
Terauchi Italian 久郎
Fujii Kentaro
Terauchi Italian 久郎