发明授权
- 专利标题： Differential charge pump with common mode control
- 专利标题（中）： 差动电荷泵，带共模控制
-
申请号： US10569124申请日： 2004-08-06
-
公开(公告)号： US07952424B2公开(公告)日： 2011-05-31
- 发明人: Mihai Adrian Tiberiu Sanduleanu , Dave Willem Van Goor
- 申请人： Mihai Adrian Tiberiu Sanduleanu , Dave Willem Van Goor
- 申请人地址： CH Geneva
- 专利权人： ST-Ericsson SA
- 当前专利权人： ST-Ericsson SA
- 当前专利权人地址： CH Geneva
- 优先权： EP03103252 20030829
- 国际申请： PCT/IB2004/051412 WO 20040806
- 国际公布： WO2005/022752 WO 20050310
- 主分类号： G05F1/10
- IPC分类号： G05F1/10 ; G05F3/02
摘要：
Charge pump for providing an output current for charging and discharging a filter in accordance with an input signal, said charge pump comprising a first current source connectable with the input signal for driving the current source and adapted to providing a first current equal to a constant current Io plus a variable current Δx, said variable current Δx being directly proportional to the input signal, a second current source connectable with the input signal for driving the current source and adapted to providing a second current equal to the constant current Io minus said variable current Δx, and an output for providing the output current, wherein said output is connected to both the first and second current source in such a way, that the output current is equal to a difference between the first and second current.
公开/授权文献
- US20060220711A1 Differentuial charge pump with common mode control 公开/授权日：2006-10-05
信息查询
IPC分类:
