公开(公告)号：US20130093247A1

公开(公告)日：2013-04-18

申请号：US13651948

申请日：2012-10-15

Applicant: Samsung Electronics Co. Ltd.

Inventor： Bok-Ju PARK ,  Dong-Ki KIM ,  Ji-Seon PAEK

IPC: H02J1/00

CPC classification number: H03F1/0227 ,  H03F3/217 ,  H03F2200/432 ,  Y10T307/675

Abstract: An apparatus and method for improving the efficiency of a power supply modulator for modulating a supply voltage of a power amplifier are provided. The apparatus for generating a supply voltage includes a Switching Mode Power Supplier (SMPS) module for generating a current of a power supply signal, and a linear regulator for generating a source current for supplementing an insufficient amount of the current generated by the SMPS module and a sink current for eliminating an excessive amount of the current generated by the SMPS module. The SMPS module generates the current of the power supply signal by selecting at least one of a plurality of power supplies that have different voltages according to a voltage level of an input signal of the SMPS module.

Abstract translation: 提供了一种用于提高用于调制功率放大器的电源电压的电源调制器的效率的装置和方法。 用于产生电源电压的装置包括用于产生电源信号的电流的开关电源供应器（SMPS）模块和用于产生源电流的线性调节器，用于补充由SMPS模块产生的电流不足量， 用于消除由SMPS模块产生的过量电流的吸收电流。 SMPS模块通过根据SMPS模块的输入信号的电压电平选择具有不同电压的多个电源中的至少一个来产生电源信号的电流。

公开(公告)号：US20130093513A1

公开(公告)日：2013-04-18

申请号：US13651723

申请日：2012-10-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyung-Sun LIM ,  Hee-Sang NOH ,  Young-Eil KIM ,  Bok-Ju PARK ,  Sang-Hyun BAEK ,  Ji-Seon PAEK ,  Jun-Seok YANG

IPC: H03G3/20

CPC classification number: H03F3/211 ,  H03F1/0227 ,  H03F1/0255 ,  H03F1/0277 ,  H03F3/217

Abstract: An apparatus and a method for expanding an operation region in an envelope tracking power amplifier are provided. The apparatus for amplifying power of a transmission signal includes an amplitude component determination unit, a supply modulator, and a power amplify module. The amplitude component determination unit determines an amplitude component of a transmission signal. The supply modulator generates a supply voltage to be provided to the power amplify module depending on the amplitude component of the transmission signal determined by the amplitude component determination unit. The power amplify module amplifies power of the transmission signal depending on the supply voltage generated by the supply modulator.

Abstract translation: 提供一种用于扩展包络跟踪功率放大器中的操作区域的装置和方法。 用于放大发送信号的功率的装置包括振幅分量确定单元，电源调制器和功率放大模块。 振幅分量确定单元确定发送信号的振幅分量。 供电调制器根据由幅度分量确定单元确定的发送信号的振幅分量，产生要提供给功率放大模块的电源电压。 功率放大模块根据供电调制器产生的电源电压来放大发送信号的功率。

公开(公告)号：US20140111277A1

公开(公告)日：2014-04-24

申请号：US14142052

申请日：2013-12-27

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyung-Sun LIM ,  Hee-Sang NOH ,  Young-Eil KIM ,  Bok-Ju PARK ,  Sang-Hyun BAEK ,  Ji-Seon PAEK ,  Jun-Seok YANG

IPC: H03F3/21 ,  H03F3/217

CPC classification number: H03F3/211 ,  H03F1/0227 ,  H03F1/0255 ,  H03F1/0277 ,  H03F3/217

Abstract: An apparatus for amplifying power is provided. The apparatus includes a supply modulator for generating a supply voltage based on an amplitude component of a transmission signal, and a power amplify module for amplifying power of the transmission signal using the supply voltage, wherein the power amplify module includes a first power amplifier and a second power amplifier, and when an output power of the transmission signal is greater than a reference power, the first power amplifier amplifies the power of the transmission signal using the supply voltage, and when the output power of the transmission signal is equal to or less than the reference power, the second power amplifier amplifies the power of the transmission signal using the supply voltage.

Abstract translation: 提供一种用于放大功率的装置。 该装置包括用于基于发送信号的幅度分量产生电源电压的电源调制器和用于使用电源电压放大发送信号的功率的功率放大模块，其中功率放大模块包括第一功率放大器和 第二功率放大器，并且当发送信号的输出功率大于参考功率时，第一功率放大器使用电源电压放大发送信号的功率，并且当发送信号的输出功率等于或等于 第二功率放大器使用电源电压来放大发送信号的功率。

公开(公告)号：US20130093404A1

公开(公告)日：2013-04-18

申请号：US13651725

申请日：2012-10-15

Applicant: SAMSUNG ELECTRONICS CO. LTD.

Inventor： Bok-Ju PARK ,  Hee-Sang NOH ,  Hyung-Sun LIM

IPC: G05F1/46

CPC classification number: H02M3/158 ,  H02M1/32 ,  H02M2001/0045 ,  H02M2003/1566

Abstract: An apparatus and a method for recognizing an electric over-stress of a hybrid supply modulator including a linear regulator and an Switching Mode Power Supplier (SMPS), and protecting a network from the electric over-stress are provided. The hybrid supply modulator includes at least one sensing unit and at least one actuator unit. The at least one sensing unit senses at least one of a current and a voltage at one or more points defined in advance within a supply modulator network. The at least one actuator unit performs a protection action corresponding to at least one electric over-stress situation represented by the sensing result.

Abstract translation: 提供了一种用于识别包括线性调节器和开关模式电源供应商（SMPS）的混合电源调制器的电应力的装置和方法，并且保护网络免受电过压。 混合供电调制器包括至少一个感测单元和至少一个致动器单元。 所述至少一个感测单元在供应调制器网络内预先定义的一个或多个点处感测电流和电压中的至少一个。 所述至少一个致动器单元执行与由感测结果表示的至少一个电过度应力状况相对应的保护动作。