Invention Grant
- Patent Title: Linear amplifier power supply modulation for envelope tracking
- Patent Title (中): 线性放大器电源调制用于包络跟踪
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Application No.: US13692084Application Date: 2012-12-03
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Publication No.: US08947161B2Publication Date: 2015-02-03
- Inventor: Nadim Khlat , Philippe Gorisse
- 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: H03G3/20
- IPC: H03G3/20 ; H03F1/02 ; H03F3/24
Abstract:
Circuitry, which includes a linear amplifier and a linear amplifier power supply, is disclosed. The linear amplifier at least partially provides an envelope power supply signal to a radio frequency (RF) power amplifier (PA) using a selected one of a group of linear amplifier supply voltages. The linear amplifier power supply provides at least one of the group of linear amplifier supply voltages. Selection of the selected one of the group of linear amplifier supply voltages is based on a desired voltage of the envelope power supply signal.
Public/Granted literature
- US20130141169A1 LINEAR AMPLIFIER POWER SUPPLY MODULATION FOR ENVELOPE TRACKING Public/Granted day:2013-06-06
Information query
