Invention Grant
US08604881B2 Efficiency improvement of doherty power amplifier using supply switching and digitally controlled gate bias modulation of peaking amplifier
有权
使用供电开关和峰值放大器的数字控制栅极偏置调制的多路功率放大器的效率改进
- Patent Title: Efficiency improvement of doherty power amplifier using supply switching and digitally controlled gate bias modulation of peaking amplifier
- Patent Title (中): 使用供电开关和峰值放大器的数字控制栅极偏置调制的多路功率放大器的效率改进
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Application No.: US13299983Application Date: 2011-11-18
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Publication No.: US08604881B2Publication Date: 2013-12-10
- Inventor: Sandeep Modi Sankalp , Naveen Yanduru
- Applicant: Sandeep Modi Sankalp , Naveen Yanduru
- Applicant Address: KR Suwon-si
- Assignee: Samsung Electronics Co., Ltd.
- Current Assignee: Samsung Electronics Co., Ltd.
- Current Assignee Address: KR Suwon-si
- Agency: Jefferson IP Law, LLP
- Main IPC: H03F3/68
- IPC: H03F3/68
Abstract:
An apparatus for amplifying a signal is provided. The apparatus includes a carrier transistor, a peaking transistor, a controller, and a power supply switching unit, wherein the controller controls the power supply switching unit to switch between two or more power supplies and wherein the power supply switching unit provides power from one of the two or more power supplies to the peaking transistor.
Public/Granted literature
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