Title:
AMPLIFYING DEVICE
Document Type and Number:
WIPO Patent Application WO/2012/014395
Kind Code:
A1
Abstract:
An efficient amplifying device is attained. An amplifying device for amplifying a signal to be amplified was made to have the following configuration. The amplifying device is provided with an amplifier (PA) (5) for amplifying a signal. A level controlling means (1) converts the level of the signal to be amplified, according to the level of the signal. Power supply controlling means (6, 8) supply a power supply voltage to be determined according to the level of the signal to be amplified, to the amplifier (PA) (5). The amplifier (PA) (5) amplifies the signal the level of which was converted by the level controlling means (1), using the power supply voltage supplied thereto by the power supply controlling means (6, 8).
Inventors:
HONGO NAOKI (JP)
Application Number:
PCT/JP2011/003988
Publication Date:
February 02, 2012
Filing Date:
July 12, 2011
Export Citation:
Assignee:
HITACHI INT ELECTRIC INC (JP)
HONGO NAOKI (JP)
HONGO NAOKI (JP)
International Classes:
H03F1/02; H03F3/24
Domestic Patent References:
| WO2008090721A1 | 2008-07-31 | |||
| WO2009038975A1 | 2009-03-26 |
Foreign References:
| JP2008271172A | 2008-11-06 |
Attorney, Agent or Firm:
MORIYAMA, TATSUO (JP)
Tatsuo Moriyama (JP)
Tatsuo Moriyama (JP)
Download PDF:
Claims: