Invention Grant
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
- Patent Title: Power amplifier (PA) system with electrothermal feedback circuitry for PA gain correction
- Patent Title (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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Application No.: US14484377Application Date: 2014-09-12
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Publication No.: US09362879B2Publication Date: 2016-06-07
- Inventor: Miaofu Ding , Robert J. Baeten
- Applicant: RF Micro Devices, Inc.
- Applicant Address: US NC Greensboro
- Assignee: RF Micro Devices, Inc.
- Current Assignee: RF Micro Devices, Inc.
- Current Assignee Address: US NC Greensboro
- Agency: Withrow & Terranova, P.L.L.C.
- Main IPC: H03F3/04
- IPC: H03F3/04 ; H03G3/30 ; H03F1/30 ; H03F3/195 ; H03F3/24
Abstract:
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.
Public/Granted literature
- US20150077185A1 POWER AMPLIFIER (PA) SYSTEM WITH ELECTROTHERMAL FEEDBACK CIRCUITRY FOR PA GAIN CORRECTION Public/Granted day:2015-03-19
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