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. 17, 2022

Filed:

Apr. 23, 2020
Applicant:

Samsung Electronics Co., Ltd., Suwon-si, KR;

Inventors:

Dongsu Kim, Hwaseong-si, KR;

Junsuk Bang, Hwaseong-si, KR;

Jiseon Paek, Suwon-si, KR;

Youngho Jung, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/24 (2006.01); H03F 3/195 (2006.01); H03F 3/21 (2006.01); H04B 1/16 (2006.01); H04B 1/04 (2006.01);
U.S. Cl.
CPC ...
H03F 3/245 (2013.01); H03F 3/195 (2013.01); H03F 3/211 (2013.01); H04B 1/04 (2013.01); H04B 1/1607 (2013.01); H03F 2200/102 (2013.01); H03F 2200/324 (2013.01); H03F 2200/451 (2013.01); H03F 2200/504 (2013.01); H03F 2200/507 (2013.01);
Abstract

A communication circuit, including a first supply modulator configured to provide a first supply voltage; a first power amplifier configured to generate a first output signal by amplifying a first input signal corresponding to a first operation frequency band; a second power amplifier configured to generate a second output signal by amplifying a second input signal corresponding to a second operation frequency band; and a switching circuit configured to selectively provide the first supply voltage from the first supply modulator to the second power amplifier based on a first switching signal according to an operation mode.


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