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.
Patent No.:
Date of Patent:
Jan. 29, 2019
Filed:
Mar. 24, 2017
Stmicroelectronics S.r.l., Agrate Brianza, IT;
Egidio Ragonese, Aci Catena, IT;
Nunzio Spina, Catania, IT;
Alessandro Parisi, Mascalucia, IT;
Pierpaolo Lombardo, Calascibetta, IT;
Nunzio Greco, Bronte, IT;
Giuseppe Palmisano, S. Giovanni La Punta, IT;
STMicroelectronics S.r.l., Agrate Brianza, IT;
Abstract
A galvanic isolation circuit is formed by a differential transformer having primary and secondary windings for transmission of signals over a carrier between the primary and the secondary windings of the transformer. A galvanic isolation oxide layer is provide between the primary and secondary windings. Each winding includes include a center tap providing a low-impedance paths for dc and low frequency components of common-mode currents through the differential transformer. A pass-band stage is coupled to the secondary winding of the transformer and configured to permit propagation of signals over said carrier through the pass-band amplifier stage while providing for a rejection of common-mode noise.