Title:
METHOD AND DEVICE FOR SELECTIVELY SUPPLYING VOLTAGE TO MULTIPLE AMPLIFIERS USING SWITCHING REGULATOR
Document Type and Number:
WIPO Patent Application WO/2020/085887
Kind Code:
A1
Abstract:
Various embodiments disclose a method and a device including: an antenna, a switching regulator, communication chip including an amplifier and a linear regulator operably connected to the amplifier and the switching regulator, the communication chip configured to transmit a radio-frequency signal from the electronic device through the antenna, and control circuitry configured to control the communication chip such that the linear regulator provides the amplifier with a voltage corresponding to an envelope of an input signal input to the amplifier, the input signal corresponding to the radio-frequency signal.
Inventors:
KIM JOOSEUNG (KR)
YANG DONGIL (KR)
LEE YOUNGMIN (KR)
YANG DONGIL (KR)
LEE YOUNGMIN (KR)
Application Number:
PCT/KR2019/014309
Publication Date:
April 30, 2020
Filing Date:
October 28, 2019
Export Citation:
Assignee:
SAMSUNG ELECTRONICS CO LTD (KR)
International Classes:
H03F1/02; H03F3/24
Foreign References:
| US20180152144A1 | 2018-05-31 | |||
| US20150098523A1 | 2015-04-09 | |||
| US9614477B1 | 2017-04-04 | |||
| KR20160028943A | 2016-03-14 | |||
| US20130135043A1 | 2013-05-30 |
Attorney, Agent or Firm:
YOON & LEE INTERNATIONAL PATENT & LAW FIRM (KR)
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