Patents by Inventor Hilal Ezzeddine
Hilal Ezzeddine has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 7864014Abstract: A mode-switching transformer comprising a first line in common mode and a second line in differential mode, each line comprising two sections in series respectively coupled with one of the two sections of the other line and all sections having the same lengths, the common mode line being connected in series with a capacitor, to lower the central frequency of the transformer passband, the ?/4 lengths of the sections being chosen to correspond to a central frequency greater than the central frequency desired for the transformer.Type: GrantFiled: October 30, 2003Date of Patent: January 4, 2011Assignee: STMicroelectronics, SAInventor: Hilal Ezzeddine
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Publication number: 20100328011Abstract: A mode-switching transformer comprising a first line in common mode and a second line in differential mode, each line comprising two sections in series respectively coupled with one of the two sections of the other line and all sections having the same lengths, the common mode line being connected in series with a capacitor, to lower the central frequency of the transformer passband, the ?/4 lengths of the sections being chosen to correspond to a central frequency greater than the central frequency desired for the transformer.Type: ApplicationFiled: September 2, 2010Publication date: December 30, 2010Applicant: STMicroelectronics, SAInventor: Hilal Ezzeddine
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Publication number: 20100167667Abstract: A balun including on the common-mode side, an inductive element in series with a first capacitive element between a first common-mode access terminal and the ground; and on the differential-mode side, two inductive windings in series having first respective ends defining differential access terminals and having second common ends connected to ground, second capacitive elements being respectively connected in parallel on the differential-mode windings.Type: ApplicationFiled: December 28, 2009Publication date: July 1, 2010Applicant: STMicroelectronics (Tours) SASInventors: Claire Laporte, Hilal Ezzeddine
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Patent number: 7671698Abstract: A directional coupler having a first structure with distributed lines having a first conductive line intended to convey a main signal between two end terminals and having a second conductive line, coupled to the first one, intended to convey a secondary signal proportional to the main signal; and a second structure with local elements including, between a first terminal of the coupler intended to extract the secondary signal and a first end of the second line, two attenuators in series between which is interposed a low-pass filter and, between a second terminal of the coupler and the second end of the second line, at least one attenuator.Type: GrantFiled: May 29, 2007Date of Patent: March 2, 2010Assignee: STMicroelectronics S.A.Inventors: Francois Dupont, Hilal Ezzeddine
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Patent number: 7667556Abstract: A combiner/splitter with distributed lines including a first line formed of a first planar winding in a first conductive level and of a second planar winding in a second conductive level; a second line formed of a third planar winding interdigited with the first winding in the first level, and of a fourth planar winding interdigited with the second winding in the second level; a first capacitive element connecting the external ends of the first and third windings; and a second capacitive element connecting the external ends of the second and fourth windings.Type: GrantFiled: November 29, 2006Date of Patent: February 23, 2010Assignee: STMicroelectronics S.A.Inventor: Hilal Ezzeddine
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Publication number: 20100001810Abstract: A coupler including: a first conductive line intended to convey a signal to be transmitted between first and second terminals; a second conductive line, coupled to the first one and having one end intended to provide, on a third terminal, data relative to a signal reflected on the second terminal; and an inductive and/or capacitive impedance matching circuit, interposed between the other end of the second line and a fourth terminal of the coupler.Type: ApplicationFiled: June 29, 2009Publication date: January 7, 2010Applicant: STMicroelectronics (Tours) SASInventors: Sylvain Charley, Francois Dupont, Hilal Ezzeddine
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Patent number: 7623006Abstract: A distributed combiner/splitter having a first line formed of a first planar winding in a first conductive level and of a second planar winding in a second conductive level, and a second line formed of a third planar winding interdigited with the first winding in the first level, and of a fourth planar winding interdigited with the second winding in the second level, the windings having an increasing width from the outside to the inside.Type: GrantFiled: June 8, 2007Date of Patent: November 24, 2009Assignee: STMicroelectronics S.A.Inventors: Hilal Ezzeddine, Philippe Leduc, François Dupont
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Publication number: 20090128255Abstract: A distributed-line directional coupler including: a first conductive line between first and second ports intended to convey a signal to be transmitted; and a second conductive line, coupled to the first one, between third and fourth ports, the second line being interrupted approximately at its middle, the two intermediary ends being connected to attenuators.Type: ApplicationFiled: November 18, 2008Publication date: May 21, 2009Applicant: STMicroelectronics (Tours) SASInventors: Francois DUPONT, Hilal EZZEDDINE, Sylvain CHARLEY
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Publication number: 20090066461Abstract: A spiral structure having at least one planar winding in at least one first conductive level to form at least one inductive element, wherein the winding is surrounded with a conductive plane and at least one track is formed in a second conductive level and has two ends connected by conductive vias to the plane of the first level, at diametrically opposite positions with respect to the center of the winding.Type: ApplicationFiled: May 21, 2008Publication date: March 12, 2009Applicant: STMicroelectronics S.A.Inventor: Hilal Ezzeddine
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Patent number: 7459989Abstract: A distributed phase shifter including: a first planar winding having its ends defining accesses in phase opposition; a second planar winding coupled with the first one and grounded by a first capacitive element; a third planar winding in a conductive level different from that receiving the first winding and electrically in series with the second winding; and a fourth planar winding, coupled with the third one in a conductive level different from that receiving the second winding, first ends of the third and fourth windings being connected by a capacitive element and their second ends being connected by another capacitive element, their first and second respective ends defining accesses in phase quadrature.Type: GrantFiled: May 29, 2007Date of Patent: December 2, 2008Assignee: STMicroelectronics S.A.Inventors: Hilal Ezzeddine, Francois Dupont, Benjamin Therond
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Patent number: 7394333Abstract: A coupler of distributed type including a first conductive line carrying a main signal between two end terminals, a second conductive line coupled to the first one and between two terminals of which flows a sampled signal, proportional to the main signal, and two capacitors respectively connecting the two terminals of each of the lines.Type: GrantFiled: December 5, 2003Date of Patent: July 1, 2008Assignee: STMicroelectronics S.A.Inventors: Hilal Ezzeddine, François Dupont
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Patent number: 7330085Abstract: A mode-switching transformer with localized components comprising: between a first common-mode access terminal and a first differential-mode access terminal defining a first path, two LC cells, each formed of an inductance interposed on the first path and of a capacitor connecting one end of this inductance to ground; and between said first common-mode access terminal and a second differential-mode access terminal defining a second path, two LC cells, each formed of a capacitor interposed on the second path and of an inductance connecting one of the electrodes of this capacitor to ground, the respective inductances of the two cells of each path being made in the form of inductances with a midpoint having respective coupled portions of a same path formed in several superposed metallization levels.Type: GrantFiled: November 18, 2005Date of Patent: February 12, 2008Assignee: STMicroelectronics S.A.Inventor: Hilal Ezzeddine
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Patent number: 7327131Abstract: A mode-switching transformer, combined with a differential low-pass filter, including a first planar winding in a first conductive level having an external end terminal defining a common-mode input/output terminal; a second planar winding electrically in series with the first winding and formed in a second conductive winding; at least one capacitor connecting an external end terminal of the second winding to ground; a third winding formed in the second conductive level and having an external end terminal defining a first differential mode access; and a fourth winding, electrically in series with the third winding and formed in the first conductive level, an external end terminal of the fourth winding defining a second differential-mode access terminal and the central ends of all windings being interconnected to ground.Type: GrantFiled: May 25, 2005Date of Patent: February 5, 2008Assignee: STMicroelectronics S.A.Inventor: Hilal Ezzeddine
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Publication number: 20070296519Abstract: A distributed combiner/splitter having a first line formed of a first planar winding in a first conductive level and of a second planar winding in a second conductive level, and a second line formed of a third planar winding interdigited with the first winding in the first level, and of a fourth planar winding interdigited with the second winding in the second level, the windings having an increasing width from the outside to the inside.Type: ApplicationFiled: June 8, 2007Publication date: December 27, 2007Applicant: STMicroelectronics S.A.Inventors: Hilal Ezzeddine, Philippe Leduc, Francois Dupont
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Publication number: 20070296524Abstract: A distributed phase shifter including: a first planar winding having its ends defining accesses in phase opposition; a second planar winding coupled with the first one and grounded by a first capacitive element; a third planar winding in a conductive level different from that receiving the first winding and electrically in series with the second winding; and a fourth planar winding, coupled with the third one in a conductive level different from that receiving the second winding, first ends of the third and fourth windings being connected by a capacitive element and their second ends being connected by another capacitive element, their first and second respective ends defining accesses in phase quadrature.Type: ApplicationFiled: May 29, 2007Publication date: December 27, 2007Applicant: STMicroelectronics S.A.Inventors: Hilal Ezzeddine, Francois Dupont, Benjamin Therond
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Publication number: 20070279147Abstract: A directional coupler having a first structure with distributed lines having a first conductive line intended to convey a main signal between two end terminals and having a second conductive line, coupled to the first one, intended to convey a secondary signal proportional to the main signal; and a second structure with local elements including, between a first terminal of the coupler intended to extract the secondary signal and a first end of the second line, two attenuators in series between which is interposed a low-pass filter and, between a second terminal of the coupler and the second end of the second line, at least one attenuator.Type: ApplicationFiled: May 29, 2007Publication date: December 6, 2007Applicant: STMicroelectronics S.A.Inventors: Francois Dupont, Hilal Ezzeddine
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Publication number: 20070120637Abstract: A mode-switching transformer with a 1-to-4 impedance ratio having a first planar winding formed in a first conductive level from a first differential mode terminal outside of the winding; a second planar winding formed in a second conductive level from a second differential mode terminal outside of the winding; a via of interconnection of the central ends of the first and second windings intended to be connected to ground; and at least one third planar winding in one of the two conductive levels, interdigited with the first or the second winding from a first common-mode terminal outside of the winding, the internal end of the third winding being connected to the via for direct grounding.Type: ApplicationFiled: November 29, 2006Publication date: May 31, 2007Applicant: STMicroelectronics S.A.Inventor: Hilal Ezzeddine
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Publication number: 20070120622Abstract: A combiner/splitter with distributed lines including a first line formed of a first planar winding in a first conductive level and of a second planar winding in a second conductive level; a second line formed of a third planar winding interdigited with the first winding in the first level, and of a fourth planar winding interdigited with the second winding in the second level; a first capacitive element connecting the external ends of the first and third windings; and a second capacitive element connecting the external ends of the second and fourth windings.Type: ApplicationFiled: November 29, 2006Publication date: May 31, 2007Applicant: STMicroelectronics S.A.Inventor: Hilal Ezzeddine
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Patent number: 7215217Abstract: A mode-switching transformer including a first conductive line between two common-mode access terminals and a second conductive line between two differential mode access terminals, the lines being coupled and sized according to a central operating frequency of the transformer, each line being formed of two stacked spirals in two different metallization levels and each spiral of a line being interdigited with a spiral of the other line.Type: GrantFiled: September 3, 2004Date of Patent: May 8, 2007Assignee: STMicroelectronics S.A.Inventor: Hilal Ezzeddine
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Patent number: 7199682Abstract: A mode-switching transformer having a first conductive line formed of two primary windings electrically in series, and the length of which is a function of a central operating frequency of the transformer; and a second conductive line formed of two secondary windings electrically in series, coupled two-by-two with the primary windings, the length of which is a function of said central frequency. The conductive lines exhibit different widths selected according to the desired impedance ratio of the transformer.Type: GrantFiled: November 5, 2004Date of Patent: April 3, 2007Assignee: STMicroelectronics S.A.Inventor: Hilal Ezzeddine