| 发明名称 |
Supply modulator |
| 摘要 |
There is disclosed an envelope tracking supply modulator comprising a switch mode path and a linear amplifier path, wherein the linear amplifier path includes a plurality of amplifiers, each amplifier having an output stage of a different size, wherein at least one of the plurality of amplifiers is enabled in dependence on an output power. |
| 申请公布号 |
US9385662(B2) |
申请公布日期 |
2016.07.05 |
| 申请号 |
US201414466173 |
申请日期 |
2014.08.22 |
| 申请人 |
SNAPTRACK, INC. |
发明人 |
Wimpenny Gerard |
| 分类号 |
H03G3/20;H03F1/02;H03F3/19;H03F3/21;H03F3/217 |
主分类号 |
H03G3/20 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. An envelope tracking supply modulator, comprising:
a switch mode path; and a linear amplifier path, wherein the linear amplifier path includes a plurality of linear amplifiers, each linear amplifier having an output stage of a different size, wherein at least one of the plurality of linear amplifiers is enabled in dependence on an output power, and wherein each of the plurality of linear amplifiers is configured to be enabled based on a separate control signal. |
| 地址 |
San Diego CA US |
