公开(公告)号：US11601089B1

公开(公告)日：2023-03-07

申请号：US17463406

申请日：2021-08-31

Applicant: Texas Instruments Incorporated

Inventor： Michael Henderson Perrott ,  Ting-Ta Yen ,  Bichoy Bahr ,  Baher S. Haroun

IPC: H03B5/32 ,  H03L7/093 ,  H03L7/099 ,  H03B5/04

Abstract: A temperature compensated oscillator circuit includes a first oscillator, a second oscillator, a first divider, a second divider, a frequency ratio circuit, and a temperature compensation circuit. The first divider is coupled to the first oscillator, and is configured to divide a frequency of a first oscillator signal generated by the first oscillator. The second divider is coupled to the second oscillator, and is configured to divide a frequency of a second oscillator signal generated by the second oscillator. The frequency ratio circuit is coupled to the first divider and the second divider, and is configured to determine a frequency ratio of an output of the first divider to an output of the second divider. The temperature compensation circuit is coupled to the frequency ratio circuit and the first oscillator, and is configured to generate a compensated frequency based on the frequency ratio and the first oscillator signal.

公开(公告)号：US11467210B2

公开(公告)日：2022-10-11

申请号：US17124062

申请日：2020-12-16

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Lee D. Whetsel ,  Baher S. Haroun

IPC: G01R31/3177 ,  G01R31/26 ,  G01R31/3185 ,  G01R31/317

Abstract: This disclosure describes a novel method and apparatus for testing TSVs within a semiconductor device. According to embodiments illustrated and described in the disclosure, a TSV may be tested by stimulating and measuring a response from a first end of a TSV while the second end of the TSV held at ground potential. Multiple TSVs within the semiconductor device may be tested in parallel to reduce the TSV testing time according to the disclosure.

公开(公告)号：US11333760B2

公开(公告)日：2022-05-17

申请号：US15649493

申请日：2017-07-13

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Nirmal C. Warke ,  David P. Magee ,  Baher S. Haroun

IPC: G01S17/26 ,  G01S7/481

Abstract: An optical time of flight system includes a transmitter and a receiver. The transmitter is configured to generate a modulation signal having a modulation signal frequency that varies as a function of time, generate an optical waveform with amplitude modulation corresponding to the modulation signal, and direct the optical waveform toward a field of view (FOV). The receiver is configured to receive the optical waveform reflected off of an object within the FOV and determine a distance to the object based on a time of flight from the transmitter to the object and back to the receiver.

公开(公告)号：US10949024B2

公开(公告)日：2021-03-16

申请号：US15981688

申请日：2018-05-16

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Baher S. Haroun ,  Marco Corsi ,  Brian P. Ginsburg ,  Vijay B. Rentala ,  Srinath M. Ramaswamy ,  Eunyoung Seok

IPC: G06F3/042 ,  G06F3/046

Abstract: A pulse of terahertz radiation is transmitted through a touch panel formed of a dielectric material. The pulse generates an employable evanescent field in a region adjacent to a touch surface of the touch panel. The terahertz radiation has a frequency range between 0.1 terahertz and 10 terahertz. A reflected pulse is generated from an object located within the region adjacent to the touch surface of the touch panel. A position is triangulated of the object on the touch surface of the touch panel, based at least in part on the reflected pulse.

公开(公告)号：US10690756B2

公开(公告)日：2020-06-23

申请号：US15484975

申请日：2017-04-11

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Nirmal C. Warke ,  David P. Magee ,  Baher S. Haroun

IPC: G01S7/487 ,  G01S17/10

Abstract: Described examples include an integrated circuit that includes an encoder configured to modulate a driving signal for an optical transmitter with a plurality of encoded pulses corresponding to a code, in which the driving signal is transmitted to the optical transmitter periodically. The integrated circuit also includes a demodulator configured to receive a received signal from an optical receiver that is configured to receive a reflection of light transmitted by the optical transmitter off an object, the demodulator configured to discriminate the plurality of encoded pulses in the received signal and estimate a distance of the object.

公开(公告)号：US10605866B2

公开(公告)日：2020-03-31

申请号：US16293896

申请日：2019-03-06

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Lee D. Whetsel ,  Baher S. Haroun

IPC: G01R31/3177 ,  G01R31/26 ,  G01R31/317 ,  G01R31/3185

Abstract: This disclosure describes a novel method and apparatus for testing TSVs within a semiconductor device. According to embodiments illustrated and described in the disclosure, a TSV may be tested by stimulating and measuring a response from a first end of a TSV while the second end of the TSV held at ground potential. Multiple TSVs within the semiconductor device may be tested in parallel to reduce the TSV testing time according to the disclosure.

公开(公告)号：US10598700B2

公开(公告)日：2020-03-24

申请号：US15395789

申请日：2016-12-30

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Arup Polley ,  Srinath Ramaswamy ,  Baher S. Haroun

IPC: G01N27/84 ,  G01R15/14 ,  G01R15/20 ,  G01R15/18

Abstract: One example includes a current measurement system. The system includes at least two magnetic field sensors positioned proximal to and in a predetermined arrangement with respect to a current conductor, each of the magnetic field sensors being configured to measure magnetic field associated with a current flowing in the current conductor and provide respective magnetic field measurements. The system also includes a current measurement processor configured to implement a mathematical algorithm based on a Taylor series expansion of the magnetic field measurements to calculate an amplitude of the current based on the mathematical algorithm.

公开(公告)号：US20180321795A1

公开(公告)日：2018-11-08

申请号：US15981688

申请日：2018-05-16

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Baher S. Haroun ,  Marco Corsi ,  Brian P. Ginsburg ,  Vijay B. Rentala ,  Srinath M. Ramaswamy ,  Eunyoung Seok

IPC: G06F3/042 ,  G06F3/046

CPC classification number: G06F3/0421 ,  G06F3/046 ,  G06F2203/04109

Abstract: A pulse of terahertz radiation is transmitted through a touch panel formed of a dielectric material. The pulse generates an employable evanescent field in a region adjacent to a touch surface of the touch panel. The terahertz radiation has a frequency range between 0.1 terahertz and 10 terahertz. A reflected pulse is generated from an object located within the region adjacent to the touch surface of the touch panel. A position is triangulated of the object on the touch surface of the touch panel, based at least in part on the reflected pulse.

公开(公告)号：US09692356B2

公开(公告)日：2017-06-27

申请号：US14947424

申请日：2015-11-20

Applicant: Texas Instruments Incorporated

Inventor： Baher S. Haroun ,  Ali Kiaei ,  Kai Yiu Tam

IPC: H03B5/36 ,  H03L1/02

CPC classification number: H03B5/364 ,  H03B5/326 ,  H03K3/0231 ,  H03L1/02 ,  H03L7/085 ,  H03L7/099 ,  H03L2207/50

Abstract: The systems and methods of oscillator frequency tuning using a bulk acoustic wave resonator include a relaxation oscillator, a BAW oscillator, a frequency counter, and an adjustment module. The BAW oscillator provides an accurate time reference even over temperature changes. The BAW oscillator is turned on periodically and the relaxation oscillator is calibrated with the BAW oscillator. A temporary and periodic enablement of the BAW oscillator maintains a low current consumption. The frequency counter counts a number of full periods of the BAW oscillator that occur in one period of the relaxation oscillator. Since each frequency is known, the number of pulses of the BAW oscillator that should occur during one period of the relaxation oscillator is known. If the count is different from what should be counted, a correction may be made by adjusting an input parameter of the relaxation oscillator.

公开(公告)号：US09484630B2

公开(公告)日：2016-11-01

申请号：US14734371

申请日：2015-06-09

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Baher S. Haroun ,  Marco Corsi ,  Siraj Akhtar ,  Nirmal C. Warke

IPC: H01Q1/24 ,  H01Q3/44 ,  H01L23/66 ,  H01Q3/26 ,  H01Q9/04 ,  H01L23/31 ,  H01L23/00

CPC classification number: H01Q3/44 ,  H01L23/3107 ,  H01L23/66 ,  H01L24/16 ,  H01L24/48 ,  H01L24/49 ,  H01L2223/6677 ,  H01L2224/16225 ,  H01L2224/16227 ,  H01L2224/16245 ,  H01L2224/48227 ,  H01L2224/48247 ,  H01L2224/49175 ,  H01L2924/00014 ,  H01L2924/12041 ,  H01L2924/12042 ,  H01L2924/12043 ,  H01L2924/14 ,  H01L2924/3011 ,  H01Q3/26 ,  H01Q9/0407 ,  H01L2924/00 ,  H01L2224/45099 ,  H01L2224/45015 ,  H01L2924/207

Abstract: In some developing interconnect technologies, such as chip-to-chip optical interconnect or metal waveguide interconnects, misalignment can be a serious issue. Here, however, a interconnect that uses an on-chip directional antenna (which operates in the sub-millimeter range) to form a radio frequency (RF) interconnect through a dielectric waveguide is provided. This system allows for misalignment while providing the increased communication bandwidth.