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公开(公告)号：US10816581B2
公开(公告)日：2020-10-27
申请号：US16132816
申请日：2018-09-17
Applicant: Infineon Technologies AG
Inventor： Valentyn Solomko , Ruediger Bauder , Anthony Thomas
IPC: G01R27/06 , H03H7/40 , H04B1/04 , H04B1/3827
Abstract: A radio-frequency system includes an impedance tuning network having a plurality of selectable impedance states and a first port for coupling to a complex load impedance, a detector coupled to a second port of the impedance tuning network and configured to measure scalar values of reflection coefficients at the second port, and a controller configured to, for a first radio-frequency band, sequentially tune the impedance tuning network to at least three different impedance states in each of which the detector measures a scalar value of a corresponding reflection coefficient at the second port, and estimates a value of the complex load impedance based on the scalar values measured by the detector.
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公开(公告)号：US10170822B2
公开(公告)日：2019-01-01
申请号：US15610697
申请日：2017-06-01
Applicant: Infineon Technologies AG
Inventor： Valentyn Solomko , Anthony Thomas , Winfried Bakalski , Ruediger Bauder
Abstract: According to one embodiment, a communication device is described comprising an antenna, a signal path for supplying a signal to the antenna, two directional couplers arranged within the signal path, wherein each directional coupler is coupled to an adjustable impedance defining the characteristic impedance of the directional coupler, a controller configured to set, for each of a plurality of impedances, the adjustable impedances of the directional couplers to the impedance, a return loss measurement circuit configured to determine, for each of the plurality of impedances, a return loss of the signal path when the adjustable impedances of the directional couplers are set to the impedance and a load impedance determination circuit configured to determine a load impedance of the signal path based on the determined return losses.
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公开(公告)号：US09780774B2
公开(公告)日：2017-10-03
申请号：US14983228
申请日：2015-12-29
Applicant: Infineon Technologies AG
Inventor： Anthony Thomas , Winfried Bakalski , Valentyn Solomko , Ruediger Bauder
Abstract: In accordance with an embodiment, an adjustable capacitance circuit comprising a first branch comprising plurality of transistors having load paths coupled in series with a first capacitor. A method of operating the adjustable capacitance circuit includes programming a capacitance by selectively turning-on and turning-off ones of the plurality of transistors, wherein the load path of each transistor of the plurality of transistors is resistive when the transistor is on and is capacitive when the transistor is off.
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公开(公告)号：US20170352947A1
公开(公告)日：2017-12-07
申请号：US15610697
申请日：2017-06-01
Applicant: Infineon Technologies AG
Inventor： Valentyn Solomko , Anthony Thomas , Winfried Bakalski , Ruediger Bauder
CPC classification number: H01Q1/248 , G01R27/2694 , H01Q1/241 , H04B1/04
Abstract: According to one embodiment, a communication device is described comprising an antenna, a signal path for supplying a signal to the antenna, two directional couplers arranged within the signal path, wherein each directional coupler is coupled to an adjustable impedance defining the characteristic impedance of the directional coupler, a controller configured to set, for each of a plurality of impedances, the adjustable impedances of the directional couplers to the impedance, a return loss measurement circuit configured to determine, for each of the plurality of impedances, a return loss of the signal path when the adjustable impedances of the directional couplers are set to the impedance and a load impedance determination circuit configured to determine a load impedance of the signal path based on the determined return losses.
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公开(公告)号：US20220093486A1
公开(公告)日：2022-03-24
申请号：US17027772
申请日：2020-09-22
Applicant: Infineon Technologies AG
Inventor： Tomas Manuel Reiter , Elvis Keli , Anthony Thomas
IPC: H01L23/40 , H01L23/498
Abstract: A power semiconductor module includes: a carrier; a plurality of semiconductor dies attached to a first side of the carrier and electrically connected to form a circuit or part of a circuit; a cooling device at a second side of the carrier opposite the first side; a clamping device attached to the cooling device and pressing the carrier toward the cooling device such that the second side of the carrier is in thermal contact with the cooling device without having an intervening base plate between the carrier and the cooling device; and a first sensor device embedded in the clamping device or attached to an interior surface of the clamping device.
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Patent Agency Ranking
公开(公告)号：US09698833B2
公开(公告)日：2017-07-04
申请号：US14942105
申请日：2015-11-16
Applicant: Infineon Technologies AG
Inventor： Valentyn Solomko , Ruediger Bauder , Winfried Bakalski , Anthony Thomas
CPC classification number: H04B1/0458 , G01R27/06 , H04B5/0037
Abstract: A standing wave ratio detection arrangement is disclosed. The arrangement includes a standing wave ratio detector and a controller. The standing wave ratio detector is configured to receive an isolated signal and a coupled signal and to generate a multi-bit return loss signal based on the isolated signal and the coupled signal in the analog domain using successive attenuation of the coupled signal. The controller is configured to determine a standing wave ratio from the return loss and to generate an antenna tuner control signal using the standing wave ratio.
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公开(公告)号：US20170141802A1
公开(公告)日：2017-05-18
申请号：US14942105
申请日：2015-11-16
Applicant: Infineon Technologies AG
Inventor： Valentyn Solomko , Ruediger Bauder , Winfried Bakalski , Anthony Thomas
CPC classification number: H04B1/0458 , G01R27/06 , H04B5/0037
Abstract: A standing wave ratio detection arrangement is disclosed. The arrangement includes a standing wave ratio detector and a controller. The standing wave ratio detector is configured to receive an isolated signal and a coupled signal and to generate a multi-bit return loss signal based on the isolated signal and the coupled signal in the analog domain using successive attenuation of the coupled signal. The controller is configured to determine a standing wave ratio from the return loss and to generate an antenna tuner control signal using the standing wave ratio.
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公开(公告)号：US20150288359A1
公开(公告)日：2015-10-08
申请号：US14243338
申请日：2014-04-02
Applicant: Infineon Technologies AG
Inventor： Winfried Bakalski , Anthony Thomas
IPC: H03K17/687
CPC classification number: H03K17/6872 , H03K17/693 , Y10T307/747
Abstract: In accordance with an embodiment, a radio frequency (RF) switching circuit includes a plurality of series connected RF switch cells having a load path and a control node, and a switch driver coupled to the control node. Each of the plurality of series connected RF switch cells includes a switch transistor and a gate resistor having a first end coupled to a gate of the switch transistor and a second end coupled to the control node. The switch driver includes a variable output impedance that varies with a voltage of the control node.
Abstract translation: 根据实施例，射频（RF）切换电路包括具有负载路径和控制节点的多个串联连接的RF开关单元和耦合到控制节点的开关驱动器。 多个串联连接的RF开关单元中的每一个包括开关晶体管和栅极电阻器，其具有耦合到开关晶体管的栅极的第一端和耦合到控制节点的第二端。 开关驱动器包括随着控制节点的电压而变化的可变输出阻抗。
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9.发明申请Impedance Matching Network with Improved Quality Factor and Method for Matching an Impedance 有权阻抗匹配网络与改进的质量因子和匹配阻抗的方法公开(公告)号：US20140104132A1
公开(公告)日：2014-04-17
申请号：US13651174
申请日：2012-10-12
Applicant: INFINEON TECHNOLOGIES AG
Inventor： Winfried Bakalski , Anthony Thomas
CPC classification number: H03H7/38 , H01L23/66 , H01L27/0641 , H01L27/08 , H01L27/0808 , H01L27/1203 , H01L29/41733 , H01L29/42384 , H01L2223/6655 , H01L2223/6677 , H01L2924/0002 , H04B1/0458 , H04B1/18 , H01L2924/00
Abstract: An impedance matching network comprises a first and a second signal terminal and a reference potential terminal. The network further comprises a first shunt branch between the first signal terminal and the reference potential terminal, the first shunt branch comprising a variable inductive element and a first capacitive element. The impedance matching network also comprises a second shunt branch between the second signal terminal and the reference potential terminal and comprising a second capacitive element. A series branch between the first signal terminal and the second signal terminal comprises a third capacitive element. Optionally, the first, second, and/or third capacitive element may be implemented as a variable capacitive element. The variable capacitive element comprises a plurality of transistors, wherein a combination of off-capacitances Coff of the transistors provide an overall capacitance of the variable capacitive element as a function of at least two independent transistor control signals.
Abstract translation: 阻抗匹配网络包括第一和第二信号端子和参考电位端子。 网络还包括在第一信号端和参考电位端之间的第一分路支路，第一分路支路包括可变电感元件和第一电容元件。 阻抗匹配网络还包括在第二信号端子和参考电位端子之间的第二分路支路，并且包括第二电容元件。 第一信号端子和第二信号端子之间的串联分支包括第三电容元件。 可选地，第一，第二和/或第三电容元件可以被实现为可变电容元件。 可变电容元件包括多个晶体管，其中晶体管的关断电容Coff的组合提供作为至少两个独立晶体管控制信号的函数的可变电容元件的总体电容。
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公开(公告)号：US12289059B2
公开(公告)日：2025-04-29
申请号：US17927102
申请日：2021-05-21
Applicant: TDK Electronics AG , Infineon Technologies AG
Inventor： Wolfgang Rambow , Jürgen Wassmuth , Anthony Thomas
Abstract: An electrical inverter system including a first heat sink, a second heat sink and an electrical capacitor, stacked in that order. These three components can be fixed by a fixing means in such a way that they are not displaceable against each other and at least partially lie flat against each other. Furthermore, the system includes a semiconductor power module clamped between the heat sinks, and electrical contact elements electrically connecting the electrical capacitor and the semiconductor power module.
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