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11. 发明授权

US10520900B2 Methods and apparatus for magnetically compensated chip scale atomic clock 有权
公开(公告)号：US10520900B2
公开(公告)日：2019-12-31
申请号：US15393096
申请日：2016-12-28
申请人： Texas Instruments Incorporated
发明人： Bradley Allen Kramer , Benjamin Stassen Cook , Juan Alejandro Herbsommer
IPC分类号： G04F5/14 , H03B17/00 , H03L7/26 , H01S5/024 , H01S5/0687 , H01S5/183 , H01S5/00 , H01S5/022
摘要： In described examples, an apparatus includes a physics cell and an electronic circuit. The physics cell includes an atomic chamber, a laser source, a modulator, a photodetector and a field coil. The electronic circuit includes a frequency synthesizer, a controller and a digital to analog converter.

12. 发明授权

US10320589B1 Signal isolation circuit 有权
公开(公告)号：US10320589B1
公开(公告)日：2019-06-11
申请号：US15859419
申请日：2017-12-30
申请人： Texas Instruments Incorporated
发明人： Swaminathan Sankaran , Bradley Allen Kramer , Baher Haroun , Tobias Bernhard Fritz , Ernst Georg Muellner , Ralf Peter Brederlow
IPC分类号： H04L25/02 , H05K1/02 , H04B3/54 , G01R31/317 , H04B1/525 , H03K17/693
CPC分类号： H04L25/0276 , G01R31/31706 , H03K17/693 , H04B1/525 , H04B3/542 , H05K1/0233
摘要： Described examples include an integrated circuit including a receive portion to receive an encoded transmission on a line. The receive portion has: a wake mode in which the receiver is capable of receiving the encoded transmission; and a sleep mode in which the receiver is not capable of receiving the encoded transmission. A wakeup controller monitors the line for a wakeup signal and provides a signal to the receive portion to cause the receive portion to enter the wake mode when the wakeup controller receives the wakeup signal.

13. 发明授权

US09973220B2 Isolation circuits for digital communications and methods to provide isolation for digital communications 有权
公开(公告)号：US09973220B2
公开(公告)日：2018-05-15
申请号：US15166426
申请日：2016-05-27
申请人： TEXAS INSTRUMENTS INCORPORATED
发明人： Bradley Allen Kramer , Mark W. Morgan , Swaminathan Sankaran
IPC分类号： H04L25/03 , H04B1/04 , H04L25/02 , H04L25/06 , H04L25/49
CPC分类号： H04B1/0475 , H01L2224/48091 , H03F1/02 , H03F3/24 , H04B2001/0408 , H04B2001/045 , H04L25/0266 , H04L25/069 , H04L25/49 , H01L2924/00014
摘要： Isolation circuits for digital communications and methods to provide isolation for digital communications are disclosed. An example isolation circuit includes an isolation barrier, a burst encoder in a first circuit, and an edge pattern detector in a second circuit. The example isolation barrier electrically isolates the first circuit from the second circuit. The example burst encoder generates a first pattern in response to receiving a rising edge on an input signal and generates a second pattern in response to receiving a falling edge on the input signal. The example edge pattern detector detects the first pattern or the second pattern received from the burst encoder via the isolation barrier, sets an output signal at a first signal level in response to detecting the first pattern, and sets the output signal at a second signal level in response to detecting the second pattern.

14. 发明授权

US09716302B2 System for launching a signal into a dielectric waveguide 有权
公开(公告)号：US09716302B2
公开(公告)日：2017-07-25
申请号：US15285723
申请日：2016-10-05
申请人： TEXAS INSTRUMENTS INCORPORATED
发明人： Juan Alejandro Herbsommer , Bradley Allen Kramer
IPC分类号： H01P3/16 , H01Q1/50 , H01P11/00 , H01Q19/18 , H04B1/04 , H01Q15/14 , H01Q1/24
CPC分类号： H01P3/16 , H01L2223/6677 , H01L2224/16227 , H01L2924/15321 , H01Q1/24 , H01Q13/085 , H01Q15/14 , H01Q19/10 , H01Q21/28 , H04B1/04
摘要： A system is provided for transmitting sub-terahertz electro-magnetic radio frequency (RF) signals using a dielectric waveguide (DWG) having a dielectric core member surrounded by dielectric cladding. An RF transmitter is coupled to an antenna located on a first substrate, in which the antenna is adjacent an edge of the substrate. The first substrate is mounted on a second substrate. A conductive reflector plate is formed on the top surface of the second substrate. An end of the DWG is mounted on the second substrate over the reflector plate such that an exposed face of the core member at the end of the DWG is adjacent the antenna. The core member at the end of DWG forms an angle of inclination with the second substrate in which the angle is in a range of approximately 10-30 degrees.

15. 发明申请

US20170093010A1 System for Launching a Signal Into a Dielectric Waveguide 审中-公开
公开(公告)号：US20170093010A1
公开(公告)日：2017-03-30
申请号：US15285723
申请日：2016-10-05
申请人： TEXAS INSTRUMENTS INCORPORATED
发明人： Juan Alejandro Herbsommer , Bradley Allen Kramer
IPC分类号： H01P3/16 , H01Q15/14 , H01Q1/24 , H04B1/04
CPC分类号： H01P3/16 , H01L2223/6677 , H01L2224/16227 , H01L2924/15321 , H01Q1/24 , H01Q13/085 , H01Q15/14 , H01Q19/10 , H01Q21/28 , H04B1/04
摘要： A system is provided for transmitting sub-terahertz electro-magnetic radio frequency (RF) signals using a dielectric waveguide (DWG) having a dielectric core member surrounded by dielectric cladding. An RF transmitter is coupled to an antenna located on a first substrate, in which the antenna is adjacent an edge of the substrate. The first substrate is mounted on a second substrate. A conductive reflector plate is formed on the top surface of the second substrate. An end of the DWG is mounted on the second substrate over the reflector plate such that an exposed face of the core member at the end of the DWG is adjacent the antenna. The core member at the end of DWG forms an angle of inclination with the second substrate in which the angle is in a range of approximately 10-30 degrees.

16. 发明申请

US20160277048A1 Isolation Circuits for Digital Communications and Methods to Provide Isolation for Digital Communications 审中-公开
标题翻译：数字通信隔离电路和数字通信隔离方法
公开(公告)号：US20160277048A1
公开(公告)日：2016-09-22
申请号：US15166426
申请日：2016-05-27
申请人： TEXAS INSTRUMENTS INCORPORATED
发明人： Bradley Allen Kramer , Mark W. Morgan , Swaminathan Sankaran
IPC分类号： H04B1/04 , H04L25/49
CPC分类号： H04B1/0475 , H01L2224/48091 , H03F1/02 , H03F3/24 , H04B2001/0408 , H04B2001/045 , H04L25/0266 , H04L25/069 , H04L25/49 , H01L2924/00014
摘要： Isolation circuits for digital communications and methods to provide isolation for digital communications are disclosed. An example isolation circuit includes an isolation barrier, a burst encoder in a first circuit, and an edge pattern detector in a second circuit. The example isolation barrier electrically isolates the first circuit from the second circuit. The example burst encoder generates a first pattern in response to receiving a rising edge on an input signal and generates a second pattern in response to receiving a falling edge on the input signal. The example edge pattern detector detects the first pattern or the second pattern received from the burst encoder via the isolation barrier, sets an output signal at a first signal level in response to detecting the first pattern, and sets the output signal at a second signal level in response to detecting the second pattern.
摘要翻译：公开了用于数字通信的隔离电路和用于提供用于数字通信的隔离的方法。示例性隔离电路包括隔离栅，第一电路中的突发编码器和第二电路中的边缘图案检测器。示例性隔离屏障将第一电路与第二电路电隔离。响应于在输入信号上接收上升沿，示例性突发编码器产生第一模式，并且响应于在输入信号上接收到下降沿而产生第二模式。示例性边缘模式检测器经由隔离屏障检测从脉冲串编码器接收的第一模式或第二模式，响应于检测到第一模式而将输出信号设置在第一信号电平，并将输出信号设置在第二信号电平响应于检测到第二图案。

17. 发明申请

US20150091642A1 METHOD AND CIRCUITRY FOR MULTI-STAGE AMPLIFICATION 有权
标题翻译：用于多级放大的方法和电路
公开(公告)号：US20150091642A1
公开(公告)日：2015-04-02
申请号：US14066980
申请日：2013-10-30
申请人： Texas Instruments Incorporated
发明人： Swaminathan Sankaran , Bradley Allen Kramer , Hassan Ali , Nirmal C. Warke
IPC分类号： H03F1/00
CPC分类号： H03F3/45 , H03F1/00 , H03F1/42 , H03F3/45475 , H03F2200/36 , H03F2200/411 , H03F2200/537
摘要： In an amplifier, a first stage receives a differential input voltage, which is formed by first and second input voltages, and outputs a first differential current in response thereto on first and second lines having respective first and second line voltages. A second stage receives the first and second line voltages and outputs a second differential current in response thereto on third and fourth lines having respective third and fourth line voltages. A transformer includes first and second coils. A first terminal of the first coil is coupled through a first resistor to the first line. A second terminal of the first coil is coupled through a second resistor to the second line. A first terminal of the second coil is coupled through a third resistor to the third line. A second terminal of the second coil is coupled through a fourth resistor to the fourth line.
摘要翻译：在放大器中，第一级接收由第一和第二输入电压形成的差分输入电压，并且在具有相应的第一和第二线电压的第一和第二线上响应于此输出第一差分电流。第二级接收第一和第二线电压，并在具有相应的第三和第四线电压的第三和第四线上响应于此输出第二差分电流。变压器包括第一和第二线圈。第一线圈的第一端子通过第一电阻器耦合到第一线路。第一线圈的第二端子通过第二电阻器耦合到第二线路。第二线圈的第一端子通过第三电阻器耦合到第三线路。第二线圈的第二端子通过第四电阻器耦合到第四线路。

18. 发明授权

US10523175B2 Low loss galvanic isolation circuitry 有权
公开(公告)号：US10523175B2
公开(公告)日：2019-12-31
申请号：US15466961
申请日：2017-03-23
申请人： Texas Instruments Incorporated
发明人： Swaminathan Sankaran , Bradley Allen Kramer , Baher Haroun
IPC分类号： H01P5/02 , H03H7/03 , H03H7/01 , H03H7/09
摘要： 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.

19. 发明授权

US10425793B2 Staggered back-to-back launch topology with diagonal waveguides for field confined near field communication system 有权
公开(公告)号：US10425793B2
公开(公告)日：2019-09-24
申请号：US15638194
申请日：2017-06-29
申请人： Texas Instruments Incorporated
发明人： Swaminathan Sankaran , Benjamin Stassen Cook , Nathan Brooks , Bradley Allen Kramer , Mark W. Morgan , Baher Haroun
IPC分类号： H04B5/00 , H04W4/80 , H04L29/06 , G06F13/14 , H04L29/08
摘要： 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.

20. 发明申请

US20190207786A1 SIGNAL ISOLATION CIRCUIT 有权
公开(公告)号：US20190207786A1
公开(公告)日：2019-07-04
申请号：US15859419
申请日：2017-12-30
申请人： Texas Instruments Incorporated
发明人： Swaminathan Sankaran , Bradley Allen Kramer , Baher Haroun , Tobias Bernhard Fritz , Ernst Georg Muellner , Ralf Peter Brederlow
IPC分类号： H04L25/02 , H05K1/02 , H03K17/693 , G01R31/317 , H04B1/525 , H04B3/54
CPC分类号： H04L25/0276 , G01R31/31706 , H03K17/693 , H04B1/525 , H04B3/542 , H05K1/0233
摘要： Described examples include an integrated circuit including a receive portion to receive an encoded transmission on a line. The receive portion has: a wake mode in which the receiver is capable of receiving the encoded transmission; and a sleep mode in which the receiver is not capable of receiving the encoded transmission. A wakeup controller monitors the line for a wakeup signal and provides a signal to the receive portion to cause the receive portion to enter the wake mode when the wakeup controller receives the wakeup signal.

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