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公开(公告)号：US20230124600A1
公开(公告)日：2023-04-20
申请号：US17702715
申请日：2022-03-23
Applicant: TEXAS INSTRUMENTS INCORPORATED
Inventor： Siraj Akhtar , Swaminathan Sankaran
Abstract: In one example, an apparatus comprises: a first metal layer including a first segment and a second segment, in which the first segment is electrically coupled to a single-ended signal terminal, the second segment has a disconnected end; a second metal layer including a third segment and a fourth segment, in which the third segment is magnetically coupled to the first segment, the fourth segment is magnetically coupled to the second segment, a first end of the third segment and a first end of the fourth segment are electrically coupled at a center tap, and a second end of the third segment and a second end of the fourth segment are electrically coupled to respective first and second signal terminals of a pair of differential signal terminals; and a phase adjustment device proximate the center tap and electrically coupled to a second voltage reference terminal.
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公开(公告)号：US11368124B1
公开(公告)日：2022-06-21
申请号：US17189556
申请日：2021-03-02
Applicant: Texas Instruments Incorporated
Inventor： Sachin Kalia , Tolga Dinc , Bichoy Bahr , Swaminathan Sankaran
Abstract: An oscillator includes: a bulk-acoustic wave (BAW) resonator having a first BAW resonator terminal and a second BAW resonator terminal; and an active circuit coupled to the first and second BAW resonator terminals and having a series resonance topology with: a first transistor; a second transistor; a first resistor; a second resistor; a capacitive network coupled to first and second BAW resonator terminals and to respective current terminals of the first and second transistors; and an inductor having a first inductor terminal and a second inductor terminal, the first inductor terminal coupled to the capacitive network, and the second inductor terminal coupled to ground terminal.
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公开(公告)号：US20210376838A1
公开(公告)日：2021-12-02
申请号：US17397954
申请日：2021-08-09
Applicant: Texas Instruments Incorporated
Inventor： Salvatore Luciano Finocchiaro , Tolga Dinc , Gerd Schuppener , Siraj Akhtar , Swaminathan Sankaran , Baher Haroun
Abstract: In described examples, a method of operating a charge pump includes a first control signal deactivating a first transistor, and the first control signal's logical complement activating a second transistor to reset the first transistor's DC bias voltage. The first control signal's logical complement deactivates the second transistor, and the first control signal provides a bias voltage to the first transistor to activate it, causing current to be transmitted from an input voltage to an output terminal. A second control signal deactivates a third transistor, and the second control signal's logical complement activates a fourth transistor to reset the second transistor's DC bias voltage. The second control signal's logical complement deactivates the fourth transistor, and the second control signal provides a bias voltage to the third transistor to activate it, causing current to be transmitted from the output terminal to a ground.
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公开(公告)号：US20210151847A1
公开(公告)日：2021-05-20
申请号：US17140858
申请日：2021-01-04
Applicant: Texas Instruments Incorporated
Inventor： Baher Haroun , Juan Alejandro Herbsommer , Gerd Schuppener , Swaminathan Sankaran
Abstract: An interposer acts as a buffer zone between a transceiver IC and a dielectric waveguide interconnect and establishes two well-defined reference planes that can be optimized independently. The interposer includes a block of material having: a first interface region to interface with an antenna coupled to an integrated circuit (IC); and a second interface region to interface to the dielectric waveguide. An interface waveguide is formed by a defined region positioned within the block of material between the first interface region and the second interface region.
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公开(公告)号：US11011815B2
公开(公告)日：2021-05-18
申请号：US16393809
申请日：2019-04-24
Applicant: Texas Instruments Incorporated
Inventor： Hassan Omar Ali , Juan Alejandro Herbsommer , Benjamin Cook , Swaminathan Sankaran
Abstract: A wave communication system includes an integrated circuit and a multilayered substrate. The multilayered substrate is electrically coupled to the integrated circuit. The multilayered substrate includes an antenna structure configured to transmit a circularly polarized wave in response to signals from the integrated circuit.
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Patent Agency Ranking
公开(公告)号：US10886590B2
公开(公告)日：2021-01-05
申请号：US16136109
申请日：2018-09-19
Applicant: Texas Instruments Incorporated
Inventor： Baher Haroun , Juan Alejandro Herbsommer , Gerd Schuppener , Swaminathan Sankaran
Abstract: An interposer that acts as a buffer zone between a transceiver IC and a dielectric waveguide interconnect is used to establish two well defined reference planes that can be optimized independently. The interposer includes a block of material having a first interface region to interface with an antenna coupled to an integrated circuit (IC) and a second interface region to interface to the dielectric waveguide. An interface waveguide is formed by a defined region positioned within the block of material between the first interface region and the second interface region.
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公开(公告)号：US20200321677A1
公开(公告)日：2020-10-08
申请号：US16716642
申请日：2019-12-17
Applicant: Texas Instruments Incorporated
Inventor： Hassan Omar Ali , Juan Alejandro Herbsommer , Benjamin Stassen Cook , Vikas Gupta , Athena Lin , Swaminathan Sankaran
Abstract: A device includes a multilayer substrate having a first surface and a second surface opposite the first surface. An integrated circuit is mounted on the second surface of the multilayer substrate, the integrated circuit having transmission circuitry configured to process millimeter wave signals. A substrate waveguide having a substantially solid wall is formed within a portion of the multilayer substrate perpendicular to the first surface. The substrate waveguide has a first end with the wall having an edge exposed on the first surface of the multilayer substrate. A reflector is located in one of the layers of the substrate and is coupled to an edge of the wall on an opposite end of the substrate waveguide.
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公开(公告)号：US10547350B2
公开(公告)日：2020-01-28
申请号：US15146965
申请日：2016-05-05
Applicant: Texas Instruments Incorporated
Inventor： Benjamin Stassen Cook , Swaminathan Sankaran
Abstract: A system is provided in which a first waveguide has a first resonator coupled to an end of the first waveguide. A second waveguide has a second resonator coupled to the second waveguide. The first resonator is spaced apart from the second resonator by a gap distance. Transmission of a signal propagated by the first waveguide across the gap to the second waveguide is enhanced by a confined near field mode magnetic field produced by the first resonator in response to the propagating wave that is coupled to the second resonator.
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公开(公告)号：US10523175B2
公开(公告)日：2019-12-31
申请号：US15466961
申请日：2017-03-23
Applicant: Texas Instruments Incorporated
Inventor： Swaminathan Sankaran , Bradley Allen Kramer , Baher Haroun
Abstract: Disclosed examples include digital isolator modules, isolation circuitry and low-loss multi-order bandpass filter circuits, including a capacitive coupled galvanic isolation circuit with first and second coupling capacitors individually including a first plate and a second plate, and a bond wire connecting the first plates of the coupling capacitors, a first circuit with a first inductor coupled to form a first resonant tank circuit with a first parasitic capacitor associated with the second plate of the first coupling capacitor, and a second circuit with a second inductor coupled to form a second resonant tank circuit with a second parasitic capacitor associated with the second plate of the second coupling capacitor.
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公开(公告)号：US10425793B2
公开(公告)日：2019-09-24
申请号：US15638194
申请日：2017-06-29
Applicant: Texas Instruments Incorporated
Inventor： Swaminathan Sankaran , Benjamin Stassen Cook , Nathan Brooks , Bradley Allen Kramer , Mark W. Morgan , Baher Haroun
Abstract: A system is provided in which a set of modules each have a substrate on which is mounted a radio frequency (RF) transmitter and/or an RF receiver coupled to a near field communication (NFC) coupler located on the substrate. Each module has a housing that surrounds and encloses the substrate. The housing has a port region on a surface of the housing. Each module has a field confiner located between the NFC coupler and the port region on the housing configured to guide electromagnetic energy emanated from the NFC coupler through the port region to a port region of an adjacent module. The port region is offset laterally from the NFC coupler. The field confiner is skewed to provide a pathway between the NFC coupler and the port region.
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