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:
Feb. 12, 2008

Filed:

Sep. 08, 2004
Applicant:

Alfred Mangino, Lambertville, NJ (US);

Inventor:

Alfred Mangino, Lambertville, NJ (US);

Assignee:

Analog Devices Inc., Norwood, MA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04M 1/00 (2006.01); H04M 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A hybrid matching system is disclosed for use with a transmitter and receiver. The hybrid matching system includes a pair of transmitter output nodes for providing a differential transmitter signal for transmission, a pair of receiver input nodes for receiving a differential received signal, a pair of line terminals to interface with a transmission line. The system also includes a first transformer having a first set of windings and a second set of windings, and a second transformer having a first set of windings and a second set of windings. The first set of windings of the first transformer is coupled to the transmitter output nodes. The second set of windings of the first transformer is coupled to the first set of windings of the second transformer. The second set of windings of the second transformer is coupled to the pair of line terminals.


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