发明申请
- 专利标题: PA BIAS POWER SUPPLY EFFICIENCY OPTIMIZATION
- 专利标题(中): PA偏置电源效率优化
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申请号: US13288478申请日: 2011-11-03
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公开(公告)号: US20120161877A1公开(公告)日: 2012-06-28
- 发明人: William David Southcombe , Chris Levesque , Jean-Christophe Berchtold , Wonseok Oh , David E. Jones , Scott Yoder , Terry J. Stockert
- 申请人: William David Southcombe , Chris Levesque , Jean-Christophe Berchtold , Wonseok Oh , David E. Jones , Scott Yoder , Terry J. Stockert
- 申请人地址: US NC Greensboro
- 专利权人: RF MICRO DEVICES, INC.
- 当前专利权人: RF MICRO DEVICES, INC.
- 当前专利权人地址: US NC Greensboro
- 主分类号: H03F3/20
- IPC分类号: H03F3/20
摘要:
A charge pump of a PA bias power supply, PA bias circuitry, and a process to optimize efficiency of the PA bias power supply are disclosed. The charge pump operates in one of multiple bias supply pump operating modes, which include at least a bias supply pump-up operating mode and a bias supply bypass operating mode. The process prevents selection of the bias supply bypass operating mode unless a DC power supply voltage is adequate to allow the PA bias circuitry to provide minimum output regulation voltage at a specified current. Otherwise, the bias supply pump-up operating mode is selected. The charge pump operates more efficiently in the bias supply bypass operating mode than in the bias supply pump-up operating mode; therefore, selection of the bias supply bypass operating mode, when possible, increases efficiency.
公开/授权文献
- US08699973B2 PA bias power supply efficiency optimization 公开/授权日:2014-04-15