发明授权
US09362879B2 Power amplifier (PA) system with electrothermal feedback circuitry for PA gain correction
有权
功率放大器（PA）系统，具有用于PA增益校正的电热反馈电路
- 专利标题： Power amplifier (PA) system with electrothermal feedback circuitry for PA gain correction
- 专利标题（中）： 功率放大器（PA）系统，具有用于PA增益校正的电热反馈电路
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申请号： US14484377申请日： 2014-09-12
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公开(公告)号： US09362879B2公开(公告)日： 2016-06-07
- 发明人: Miaofu Ding , Robert J. Baeten
- 申请人： RF Micro Devices, Inc.
- 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
- 代理机构： Withrow & Terranova, P.L.L.C.
- 主分类号： H03F3/04
- IPC分类号： H03F3/04 ; H03G3/30 ; H03F1/30 ; H03F3/195 ; H03F3/24
摘要：
A power amplifier (PA) system with PA gain correction is disclosed. The PA system includes a PA having a bias voltage input; and electrothermal feedback circuitry coupled to the bias voltage input. The electrothermal feedback circuitry is configured to receive thermal feedback generated by the PA and maintain a substantially constant PA gain by automatically changing a bias voltage level at the bias voltage input based upon the thermal feedback.
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