Patents by Inventor Andrea Pallotta
Andrea Pallotta 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: 11936339Abstract: A voltage controlled oscillator includes a series resonant circuit having a resonance frequency and an active voltage driving device coupled to the series resonant circuit. The active voltage driving device provides a driving voltage and has an output negative resistance in an operative voltage range at the resonance frequency. The active voltage driving device includes a cross-coupled differential pair having voltage supply terminals providing the driving voltage. The series resonant circuit is coupled between the voltage supply terminals of the cross-coupled differential pair.Type: GrantFiled: August 24, 2022Date of Patent: March 19, 2024Assignee: STMicroelectronics S.r.l.Inventors: Alessandro Franceschin, Andrea Mazzanti, Andrea Pallotta
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Patent number: 11658646Abstract: In an embodiment, a circuit for tripling frequency is configured to receive an input voltage (Vin) having a sinusoidal shape and a base frequency. The circuit has a first and a second transistor pair that are cross-coupled, and a trans-characteristics f(Vin) approximating a polynomial nominal trans-characteristic given by f ? ( V i ? n ) = ( 3 A ? V i ? n - 4 A 3 ? V i ? n 3 ) ? g m where A represents an amplitude of the input voltage and gm is a transconductance of transistors of the first and second transistor pairs.Type: GrantFiled: January 17, 2022Date of Patent: May 23, 2023Assignee: STMicroelectronics S.r.l.Inventors: Mahmoud Mahdipour Pirbazari, Andrea Mazzanti, Andrea Pallotta
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Publication number: 20230081414Abstract: A voltage controlled oscillator includes a series resonant circuit having a resonance frequency and an active voltage driving device coupled to the series resonant circuit. The active voltage driving device provides a driving voltage and has an output negative resistance in an operative voltage range at the resonance frequency. The active voltage driving device includes a cross-coupled differential pair having voltage supply terminals providing the driving voltage. The series resonant circuit is coupled between the voltage supply terminals of the cross-coupled differential pair.Type: ApplicationFiled: August 24, 2022Publication date: March 16, 2023Applicant: STMicroelectronics S.r.l.Inventors: Alessandro FRANCESCHIN, Andrea MAZZANTI, Andrea PALLOTTA
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Publication number: 20220140822Abstract: In an embodiment, a circuit for tripling frequency is configured to receive an input voltage (Vin) having a sinusoidal shape and a base frequency. The circuit has a first and a second transistor pair that are cross-coupled, and a trans-characteristics f(Vin) approximating a polynomial nominal trans-characteristic given by f ? ( V i ? n ) = ( 3 A ? V i ? n - 4 A 3 ? V i ? n 3 ) ? g m where A represents an amplitude of the input voltage and gm is a transconductance of transistors of the first and second transistor pairs.Type: ApplicationFiled: January 17, 2022Publication date: May 5, 2022Inventors: Mahmoud Mahdipour Pirbazari, Andrea Mazzanti, Andrea Pallotta
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Publication number: 20220116062Abstract: A embodiment method, for linearizing a transmission signal resulting from a quadrature amplitude modulation of an analog baseband signal and a radiofrequency amplification, comprises a demodulation of a feedback signal taken from the transmission signal, a comparison between the demodulated feedback signal and the baseband signal, a digital calculation of a predistortion control signal based on the comparison, and an analog predistortion of the analog baseband signal controlled by the predistortion control signal.Type: ApplicationFiled: September 7, 2021Publication date: April 14, 2022Inventor: Andrea Pallotta
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Patent number: 11271552Abstract: In an embodiment, a circuit for tripling frequency is configured to receive an input voltage (Vin) having a sinusoidal shape and a base frequency. The circuit has a first and a second transistor pair that are cross-coupled, and a trans-characteristics f(Vin) approximating a polynomial nominal trans-characteristic given by f ? ( V in ) = ( 3 A ? V in - 4 A 3 ? V in 3 ) ? g m where A represents an amplitude of the input voltage and gm is a transconductance of transistors of the first and second transistor pairs.Type: GrantFiled: September 18, 2020Date of Patent: March 8, 2022Assignee: STMicroelectronics S.r.l.Inventors: Mahmoud Mahdipour Pirbazari, Andrea Mazzanti, Andrea Pallotta
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Patent number: 11171600Abstract: The present disclosure relates to a voltage controlled oscillator comprising a plurality of oscillator cores magnetically coupled in series.Type: GrantFiled: July 23, 2020Date of Patent: November 9, 2021Assignee: STMICROELECTRONICS S.R.L.Inventor: Andrea Pallotta
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Publication number: 20210091757Abstract: In an embodiment, a circuit for tripling frequency is configured to receive an input voltage (Vin) having a sinusoidal shape and a base frequency. The circuit has a first and a second transistor pair that are cross-coupled, and a trans-characteristics f(Vin) approximating a polynomial nominal trans-characteristic given by f ? ( V in ) = ( 3 A ? V in - 4 A 3 ? V in 3 ) ? g m where A represents an amplitude of the input voltage and gm is a transconductance of transistors of the first and second transistor pairs.Type: ApplicationFiled: September 18, 2020Publication date: March 25, 2021Inventors: Mahmoud Mahdipour Pirbazari, Andrea Mazzanti, Andrea Pallotta
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Publication number: 20210036659Abstract: The present disclosure relates to a voltage controlled oscillator comprising a plurality of oscillator cores magnetically coupled in series.Type: ApplicationFiled: July 23, 2020Publication date: February 4, 2021Inventor: Andrea Pallotta
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Patent number: 10587222Abstract: A photovoltaic power generation plant includes a plurality of photovoltaic generators cooperative in producing photovoltaic power. Coupled with the photovoltaic generators in the plurality of photovoltaic generators are respective sensor devices, the sensor devices including sensor circuits of the individual current-to-voltage characteristics of the photovoltaic generators. The sensor circuits in the sensor devices can be activated to sense the individual current-to-voltage characteristics of the photovoltaic generators, with the individual current-to-voltage characteristic being indicative of the functionality of each photovoltaic generator.Type: GrantFiled: March 14, 2018Date of Patent: March 10, 2020Assignee: STMicroelectronics S.r.l.Inventor: Andrea Pallotta
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Patent number: 10236845Abstract: A distributed active transformer includes an input transformer set and an output transformer set. Active stages are coupled between a transformer in the input transformer set and a transformer in the output transformer set. The input and output transformer sets are each configured as a slab transformer. The input slab transformer includes a single primary slab and many secondary slabs. The output slab transformer includes many primary slabs and a single secondary slab.Type: GrantFiled: November 29, 2016Date of Patent: March 19, 2019Assignee: STMicroelectronics S.r.l.Inventors: Luca Larcher, Andrea Pallotta
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Publication number: 20180278207Abstract: A photovoltaic power generation plant includes a plurality of photovoltaic generators cooperative in producing photovoltaic power. Coupled with the photovoltaic generators in the plurality of photovoltaic generators are respective sensor devices, the sensor devices including sensor circuits of the individual current-to-voltage characteristics of the photovoltaic generators. The sensor circuits in the sensor devices can be activated to sense the individual current-to-voltage characteristics of the photovoltaic generators, with the individual current-to-voltage characteristic being indicative of the functionality of each photovoltaic generator.Type: ApplicationFiled: March 14, 2018Publication date: September 27, 2018Inventor: Andrea PALLOTTA
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Patent number: 9948253Abstract: A push-pull amplifier includes a pair of active devices driving the primary side of a double distributed active transformer (DDAT). The primary side of the DDAT includes a cascaded arrangement of primary windings of a first set of transformers with the active devices coupled ends of cascaded arrangement of primary windings. The secondary side of the DDAT includes a cascaded arrangement of secondary windings of a second set of transformers coupled to a load. Secondary windings of the first set of transformers drive inputs of respective active stages. Outputs of the active stages drive respective primary windings of the second set of transformers.Type: GrantFiled: May 18, 2016Date of Patent: April 17, 2018Assignee: STMicroelectronics S.r.l.Inventor: Andrea Pallotta
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Publication number: 20170338783Abstract: A distributed active transformer includes an input transformer set and an output transformer set. Active stages are coupled between a transformer in the input transformer set and a transformer in the output transformer set. The input and output transformer sets are each configured as a slab transformer. The input slab transformer includes a single primary slab and many secondary slabs. The output slab transformer includes many primary slabs and a single secondary slab.Type: ApplicationFiled: November 29, 2016Publication date: November 23, 2017Applicant: STMicroelectronics S.r.l.Inventors: Luca Larcher, Andrea Pallotta
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Patent number: 9667192Abstract: An oscillator has an oscillator output emitting an oscillating signal. The oscillator includes oscillator cores which each have a same circuit topology. A set of configuration switches couple a selected number of oscillator cores in parallel to generate the oscillating signal. The oscillator cores are arranged with a symmetry around a central axis. The planar inductors of the oscillator cores are arranged in a petal-like pattern with the planar inductors forming the petals of the petal-like pattern. The selected coupling of the oscillator cores in made in response to a selected phase noise threshold of a modulation device which receives the oscillating signal.Type: GrantFiled: May 5, 2016Date of Patent: May 30, 2017Assignee: STMicroelectronics S.r.l.Inventors: Lorenzo Iotti, Andrea Mazzanti, Andrea Pallotta, Francesco Svelto
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Publication number: 20170117858Abstract: A push-pull amplifier includes a pair of active devices driving the primary side of a double distributed active transformer (DDAT). The primary side of the DDAT includes a cascaded arrangement of primary windings of a first set of transformers with the active devices coupled ends of cascaded arrangement of primary windings. The secondary side of the DDAT includes a cascaded arrangement of secondary windings of a second set of transformers coupled to a load. Secondary windings of the first set of transformers drive inputs of respective active stages. Outputs of the active stages drive respective primary windings of the second set of transformers.Type: ApplicationFiled: May 18, 2016Publication date: April 27, 2017Applicant: STMicroelectronics S.r.l.Inventor: Andrea Pallotta
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Publication number: 20170104453Abstract: An oscillator has an oscillator output emitting an oscillating signal. The oscillator includes oscillator cores which each have a same circuit topology. A set of configuration switches couple a selected number of oscillator cores in parallel to generate the oscillating signal. The oscillator cores are arranged with a symmetry around a central axis. The planar inductors of the oscillator cores are arranged in a petal-like pattern with the planar inductors forming the petals of the petal-like pattern. The selected coupling of the oscillator cores in made in response to a selected phase noise threshold of a modulation device which receives the oscillating signal.Type: ApplicationFiled: May 5, 2016Publication date: April 13, 2017Applicant: STMicroelectronics S.r.l.Inventors: Lorenzo Iotti, Andrea Mazzanti, Andrea Pallotta, Francesco Svelto
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Patent number: 8049564Abstract: A power amplifier formed by a plurality of pairs of transistors, each pair including a first transistor and a second transistor having each a respective input terminal and a respective output terminal. The output terminals of the first and second transistors of each pair are connected to an output distributed active transformer connected to a differential output of the power amplifier. The input terminals of the first and second transistors of each pair are connected to an input distributed active transformer connected to an input of the power amplifier.Type: GrantFiled: December 28, 2009Date of Patent: November 1, 2011Assignee: STMicroelectronics S.r.l.Inventor: Andrea Pallotta
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Publication number: 20100164628Abstract: A power amplifier formed by a plurality of pairs of transistors, each pair including a first transistor and a second transistor having each a respective input terminal and a respective output terminal. The output terminals of the first and second transistors of each pair are connected to an output distributed active transformer connected to a differential output of the power amplifier. The input terminals of the first and second transistors of each pair are connected to an input distributed active transformer connected to an input of the power amplifier.Type: ApplicationFiled: December 28, 2009Publication date: July 1, 2010Applicant: STMicroelectronics S.r.I.Inventor: Andrea Pallotta
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Patent number: 7141871Abstract: A packaging structure for optoelectronic components is formed by a first body, of semiconductor material, and a second body, of semiconductor material, fixed to a first face of said first body. A through window is formed in the second body and exposes a portion of the first face of the first body, whereon at least one optoelectronic component is fixed. Through connection regions extend through the first body and are in electrical contact with the optoelectronic component. The through connection regions are insulated from the rest of the first body via through insulation regions. Contact regions are arranged on the bottom face of the first body and are connected to said optoelectronic component via the through connection regions.Type: GrantFiled: August 23, 2004Date of Patent: November 28, 2006Assignee: STMicroelectronics S.r.l.Inventors: Ubaldo Mastromatteo, Andrea Pallotta, Pietro Montanini, Francesco Martini