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:
Jan. 05, 2016

Filed:

Aug. 18, 2014
Applicant:

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

Inventors:

Hyun Jin Yoo, Suwon-si, KR;

Hyun Hwan Yoo, Suwon-si, KR;

Yoo Hwan Kim, Suwon-si, KR;

Jong Myeong Kim, Suwon-si, KR;

Dae Seok Jang, Suwon-si, KR;

Yoo Sam Na, Suwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/44 (2006.01); H04L 12/50 (2006.01); H03K 17/10 (2006.01); H03K 17/693 (2006.01); H04L 12/10 (2006.01); H03K 17/06 (2006.01);
U.S. Cl.
CPC ...
H04L 12/50 (2013.01); H03K 17/102 (2013.01); H03K 17/693 (2013.01); H04L 12/10 (2013.01); H03K 2017/066 (2013.01);
Abstract

A radio frequency (RF) switching circuit may include: a first switching circuit unit connected between a first signal port for signal transmission and reception and a common connection node connected to an antenna port and operated according to a first gate signal; a second switching circuit unit connected between a second signal port for signal transmission and reception and the common connection node and operated according to a second gate signal; a negative voltage generating unit generating a negative voltage using a voltage of an RF signal from the common connection node; and a gate signal generating unit generating the first and second gate signals using the negative voltage from the negative voltage generating unit and an operating voltage.


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