Invention Grant
- Patent Title: Apparatus and method for high-efficiency envelope amplifier using adjustment of switch current
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Application No.: US14895672Application Date: 2014-05-26
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Publication No.: US09685912B2Publication Date: 2017-06-20
- Inventor: Bum Man Kim , Dong Su Kim , Joo Seung Kim
- Applicant: POSTECH ACADEMY-INDUSTRY FOUNDATION
- Applicant Address: KR Pohang-si, Gyeonsangbuk-Do
- Assignee: POSTECH ACADEMY-INDUSTRY FOUNDATION
- Current Assignee: POSTECH ACADEMY-INDUSTRY FOUNDATION
- Current Assignee Address: KR Pohang-si, Gyeonsangbuk-Do
- Agency: Kile Park Reed & Houtteman PLLC
- Priority: KR10-2013-0063842 20130604
- International Application: PCT/KR2014/004655 WO 20140526
- International Announcement: WO2014/196756 WO 20141211
- Main IPC: H03F3/217
- IPC: H03F3/217 ; H03F1/02 ; H03F3/21 ; H03F3/16
Abstract:
The present invention provides an apparatus and method for an envelope amplifier using adjustment of a switch current, in order to maximize the efficiency of the envelope amplifier at the entire sections of envelope output power. The apparatus and method can extend the battery lifetime of portable wireless devices such as smart phones or mobile phones or application devices such as notebook computers, which use a battery as a power supply.
Public/Granted literature
- US20160134246A1 APPARATUS AND METHOD FOR HIGH-EFFICIENCY ENVELOPE AMPLIFIER USING ADJUSTMENT OF SWITCH CURRENT Public/Granted day:2016-05-12
Information query
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