公开(公告)号：DE60328190D1

公开(公告)日：2009-08-13

申请号：DE60328190

申请日：2003-05-05

Applicant: MOTOROLA INC

Inventor： ANDERSON DALE ,  MITZLAFF JAMES E

IPC: H04B7/00 ,  H03F1/02 ,  H03G3/00 ,  H03G3/30

Abstract: An optimal operating point of an envelope tracking amplification system that includes a radio frequency (RF) power amplifier having an RF amplifying element is determined based on an application to the RF power amplifier of a supply voltage that is less than the rated voltage of the RF amplifying element.

公开(公告)号：AT435532T

公开(公告)日：2009-07-15

申请号：AT03761021

申请日：2003-05-05

Applicant: MOTOROLA INC

Inventor： ANDERSON DALE ,  MITZLAFF JAMES

IPC: H04B7/00 ,  H03F1/02 ,  H03G3/00 ,  H03G3/30

Abstract: An optimal operating point of an envelope tracking amplification system that includes a radio frequency (RF) power amplifier having an RF amplifying element is determined based on an application to the RF power amplifier of a supply voltage that is less than the rated voltage of the RF amplifying element.

公开(公告)号：AU2003243194A1

公开(公告)日：2004-01-06

申请号：AU2003243194

申请日：2003-05-05

Applicant: MOTOROLA INC

Inventor： MITZLAFF JAMES E ,  ANDERSON DALE

IPC: H03F1/02 ,  H03G3/00 ,  H03G3/30 ,  H04B7/00

Abstract: An optimal operating point of an envelope tracking amplification system that includes a radio frequency (RF) power amplifier having an RF amplifying element is determined based on an application to the RF power amplifier of a supply voltage that is less than the rated voltage of the RF amplifying element.

公开(公告)号：CA2489796A1

公开(公告)日：2003-12-31

申请号：CA2489796

申请日：2003-05-05

Applicant: MOTOROLA INC

Inventor： ANDERSON DALE ,  MITZLAFF JAMES E

IPC: H03F1/02 ,  H03G3/00 ,  H03G3/30 ,  H04B7/00

Abstract: An optimal operating point of an envelope tracking amplification system (100 ) that includes a radio frequency (RF) power amplifier (110) having an RF amplifying element (114) is determined based on an application to the RF pow er amplifier of a supply voltage (211) that is less than the rated voltage of t he RF amplifying element.

公开(公告)号：EP1518335A4

公开(公告)日：2005-08-17

申请号：EP03761021

申请日：2003-05-05

Applicant: MOTOROLA INC

Inventor： ANDERSON DALE ,  MITZLAFF JAMES E

IPC: H03F1/02 ,  H03G3/00 ,  H03G3/30 ,  H04B7/00

CPC classification number: H03G3/004 ,  H03F1/0222 ,  H03F2200/102 ,  H03G3/007 ,  H03G3/3042

Abstract: An optimal operating point of an envelope tracking amplification system (100) that includes a radio frequency (RF) power amplifier (110) having an RF amplifying element (114) is determined based on an application to the RF power amplifier of a supply voltage (211) that is less than the rated voltage of the RF amplifying element.

Abstract translation: 包括具有RF放大元件（114）的射频（RF）功率放大器（110）的包络跟踪放大系统（100）的最佳操作点基于对RF功率放大器施加的电源电压 211）小于RF放大元件的额定电压。