公开(公告)号：US07786805B2

公开(公告)日：2010-08-31

申请号：US10596366

申请日：2004-12-13

申请人： Gerhard Trauth ,  Ludovic Oddoart ,  Jacques Trichet ,  Vincent Vanhuffel

发明人： Gerhard Trauth ,  Ludovic Oddoart ,  Jacques Trichet ,  Vincent Vanhuffel

IPC分类号： H03G3/10

CPC分类号： H03G3/3047 ,  H03F1/02 ,  H03F1/0211 ,  H03F3/45183 ,  H03F3/45192 ,  H03F2200/504 ,  H03F2200/78 ,  H03G3/004

摘要： A power amplifier module comprises a power amplifier circuit having an output power level controlled by a power supply voltage. A power supply transistor controls the power supply to the power amplifier circuit from a drive signal which is received from a drive circuit. The drive circuit generates the drive signal in response to a power level input signal, which specifically may correspond to a power ramping for a GSM cellular communication system. The power amplifier module furthermore comprises a detection circuit which determines an operating characteristic of the power supply transistor. The operating characteristic is preferably a saturation characteristic. A control circuit controls the drive signal in response to the operating characteristic. The control circuit preferably controls the drive signal such that the power supply transistor does not enter the linear region for a Field Effect Transistor and the saturated region for a bipolar transistor.

摘要翻译： 功率放大器模块包括具有由电源电压控制的输出功率电平的功率放大器电路。 电源晶体管根据从驱动电路接收的驱动信号控制功率放大器电路的电源。 驱动电路响应于功率电平输入信号产生驱动信号，该功率电平输入信号具体可以对应于GSM蜂窝通信系统的功率斜坡。 功率放大器模块还包括确定电源晶体管的工作特性的检测电路。 工作特性优选为饱和特性。 控制电路响应于操作特性来控制驱动信号。 控制电路优选地控制驱动信号，使得电源晶体管不会进入用于场效应晶体管的线性区域和用于双极晶体管的饱和区域。

公开(公告)号：US20090015333A1

公开(公告)日：2009-01-15

申请号：US10596366

申请日：2004-12-13

申请人： Gerhard Trauth ,  Ludovic Oddoart ,  Jacques Trichet ,  Vincent Vanhuffel

发明人： Gerhard Trauth ,  Ludovic Oddoart ,  Jacques Trichet ,  Vincent Vanhuffel

IPC分类号： H03F3/16

CPC分类号： H03G3/3047 ,  H03F1/02 ,  H03F1/0211 ,  H03F3/45183 ,  H03F3/45192 ,  H03F2200/504 ,  H03F2200/78 ,  H03G3/004

摘要： A power amplifier module comprises a power amplifier circuit having an output power level controlled by a power supply voltage. A power supply transistor controls the power supply to the power amplifier circuit from a drive signal which is received from a drive circuit. The drive circuit generates the drive signal in response to a power level input signal, which specifically may correspond to a power ramping for a GSM cellular communication system. The power amplifier module furthermore comprises a detection circuit which determines an operating characteristic of the power supply transistor. The operating characteristic is preferably a saturation characteristic. A control circuit controls the drive signal in response to the operating characteristic. The control circuit preferably controls the drive signal such that the power supply transistor does not enter the linear region for a Field Effect Transistor and the saturated region for a bipolar transistor.

摘要翻译： 功率放大器模块包括具有由电源电压控制的输出功率电平的功率放大器电路。 电源晶体管根据从驱动电路接收的驱动信号控制功率放大器电路的电源。 驱动电路响应于功率电平输入信号产生驱动信号，该功率电平输入信号具体可以对应于GSM蜂窝通信系统的功率斜坡。 功率放大器模块还包括确定电源晶体管的工作特性的检测电路。 工作特性优选为饱和特性。 控制电路响应于操作特性来控制驱动信号。 控制电路优选地控制驱动信号，使得电源晶体管不会进入用于场效应晶体管的线性区域和用于双极晶体管的饱和区域。