基本信息:
- 专利标题: 사후-왜곡 모드 및 고이득 모드를 갖는 LNA
- 专利标题(英):Lna having a post-distortion mode and a high-gain mode
- 专利标题(中):LNA具有后失真模式和高增益模式
- 申请号:KR1020107019770 申请日:2009-02-06
- 公开(公告)号:KR101125500B1 公开(公告)日:2012-03-22
- 发明人: 홀렌슈타인크리슈티안 , 뎅준시옹 , 김남수
- 申请人: 퀄컴 인코포레이티드
- 申请人地址: **** Morehouse Drive, San Diego, CA *****-****, USA
- 专利权人: 퀄컴 인코포레이티드
- 当前专利权人: 퀄컴 인코포레이티드
- 当前专利权人地址: **** Morehouse Drive, San Diego, CA *****-****, USA
- 代理人: 특허법인코리아나
- 优先权: US12/027,107 2008-02-06
- 国际申请: PCT/US2009/033474 2009-02-06
- 国际公布: WO2009100387 2009-08-13
- 主分类号: H03F1/32
- IPC分类号: H03F1/32 ; H03F3/193
Differential low-noise amplifier (LNA) that can be operated in a selectable mode of the two modes. The LNA is the first transistor 204, second transistor 205, the third transistor 206 and a fourth transistor. In the first mode (PDC mode), the four transistors are post-distortion is configured to offset (PDC) operating as LNA. Third (206) and fourth (207) transistors are improved, but the linearity LNA gain is offset transistor that operates as a slightly reduced. A second mode (high gain mode), by the third 206 and fourth (207) transistors, the transistors outputs the amplified version of the LNA input signal first and second main transistors (204, 205) It is configured to add to the amplified version of the output of the LNA input signal, thereby increasing the gain. A multiplexing circuit is provided to the LNA, LNA may be configured in two modes of selectable modes by controlling a digital mode control signal supplied to the LNA.
公开/授权文献:
- KR1020100116653A 사후-왜곡 모드 및 고이득 모드를 갖는 LNA 公开/授权日:2010-11-01
信息查询:
EspacenetIPC结构图谱:
H | 电学 |
--H03 | 基本电子电路 |
----H03F | 放大器 |
------H03F1/00 | 只用电子管,只用半导体器件或只用未特别指明的器件作为放大元件的放大器的零部件 |
--------H03F1/32 | .为减少非线性失真对放大器的改进 |