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:
Sep. 27, 2016

Filed:

May. 31, 2013
Applicant:

Stmicroelectronics S.r.l., Agrate Brianza, IT;

Inventors:

Davide Ugo Ghisu, Milan, IT;

Antonio Ricciardo, Vigevano, IT;

Sandro Rossi, Pavia, IT;

Assignee:

STMicroelectronics S.r.l., Agrate Brianza, IT;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 17/00 (2006.01); H04B 11/00 (2006.01); H03K 5/08 (2006.01); H03K 17/10 (2006.01); H03K 17/687 (2006.01); H03K 17/693 (2006.01);
U.S. Cl.
CPC ...
H03K 5/084 (2013.01); H03K 17/102 (2013.01); H03K 17/6872 (2013.01); H03K 17/6874 (2013.01); H03K 17/693 (2013.01); H04B 11/00 (2013.01); H03K 2217/0054 (2013.01);
Abstract

A switching circuit for transmission channel for ultrasound applications is electrically coupled between a connection terminal and a low voltage output terminal. The switching circuit includes a receiving switch, a high voltage clamp circuit electrically coupled between the connection terminal and a central node, and a low voltage clamping switch electrically coupled between said central node and a reference voltage. The receiving switch is a low voltage switch and is electrically coupled between the central node and the low voltage output terminal. The clamping switch and the receiving switch are controlled in a complementary way with respect to each other. A transmission channel for ultrasound applications includes the switching circuit.


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