The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 13, 2025

Filed:

Jul. 06, 2022
Applicant:

Samsung Electro-mechanics Co., Ltd., Suwon-si, KR;

Inventors:

Youngwong Jang, Suwon-si, KR;

Jeonghoon Kim, Suwon-si, KR;

Jongok Ha, Suwon-si, KR;

Shinichi Iizuka, Suwon-si, KR;

Hyejin Lee, Suwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K 17/687 (2006.01); H03K 17/16 (2006.01); H03K 19/00 (2006.01); H03K 19/20 (2006.01);
U.S. Cl.
CPC ...
H03K 17/6871 (2013.01); H03K 17/162 (2013.01); H03K 19/0016 (2013.01); H03K 19/20 (2013.01);
Abstract

A power source switch circuit and an operation method thereof are provided. The power source switch circuit may include a switch circuit that includes a first switch configured switch a supply of a voltage from a first power supply circuit to a power supply terminal of a power amplifier, and a second switch configured to switch a supply of a voltage from a second power supply circuit to the power supply terminal of the power amplifier; and a switch controller configured to control the switch circuit to set the first switch and the second switch in a turned-on state during a first period when the first switch is turned off and the second switch is turned on.


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