公开(公告)号：US10734987B2

公开(公告)日：2020-08-04

申请号：US16506343

申请日：2019-07-09

Applicant: Infineon Technologies AG

Inventor： Valentyn Solomko ,  Carsten Ahrens ,  Winfried Bakalski ,  Andrea Cattaneo ,  Bernd Schleicher

IPC: H03K17/687 ,  H03K17/06

Abstract: A radio frequency, RF, switch device includes a plurality of switch units, wherein the switch units are coupled in series between a first series terminal and a second series terminal to establish a switchable RF path; and a plurality of ballasting capacitor units, wherein each ballasting capacitor unit is coupled in parallel to a respective switch unit, to provide a selectable capacitance in parallel to a signal path of the respective switch unit, wherein each ballasting capacitor unit includes at least one ballasting capacitor switch element to switch the capacitance of the ballasting capacitor unit between a first capacitance value and a second capacitance value, wherein the second capacitance value is larger than the first capacitance value.

公开(公告)号：US20190229720A1

公开(公告)日：2019-07-25

申请号：US15876972

申请日：2018-01-22

Applicant: Infineon Technologies AG

Inventor： Winfried Bakalski

IPC: H03K17/16

CPC classification number: H03K17/16 ,  H03K17/08104 ,  H03K17/102 ,  H03K17/693 ,  H03K2217/9401 ,  H04B1/44

Abstract: An RF switch includes two or more coupled RF switch cells, each RF switch cell including a transistor having a first source/drain node, a second source/drain node, and a gate node, a first varactor is coupled between the first source/drain node and the gate node, and a second varactor is coupled between the second source/drain node and the gate node.

公开(公告)号：US10250251B1

公开(公告)日：2019-04-02

申请号：US15891025

申请日：2018-02-07

Applicant: Infineon Technologies AG

Inventor： Bernd Schleicher ,  Winfried Bakalski ,  Ruediger Bauder ,  Valentyn Solomko

IPC: H03K17/16 ,  H03K17/687

Abstract: An RF switch includes series-coupled RF switch cells coupled between an RF input and ground, a transistor including a first current node coupled to a first load resistor, a second current node coupled to ground, and a control node coupled to an internal switch node, and a filter having an input coupled to the first current node of the first transistor and an output for providing a DC voltage corresponding to the RF power present at the internal switch node.

公开(公告)号：US10193521B2

公开(公告)日：2019-01-29

申请号：US14874718

申请日：2015-10-05

Applicant: Infineon Technologies AG

Inventor： Winfried Bakalski

IPC: H01Q1/50 ,  H03H7/38 ,  H04B1/04 ,  H01F29/02 ,  H03H7/40 ,  H03H7/01 ,  H03H7/09

Abstract: An impedance matching network includes a first terminal, a second terminal, and a reference potential terminal. The impedance matching network further includes a first shunt branch between the first terminal and the reference potential terminal, the first shunt branch including a capacitive element. The impedance matching network also includes a second shunt branch between the second terminal and the reference potential terminal, the second shunt branch including an inductive element. Furthermore, the impedance matching network includes a transmission line transformer with a first inductor path and a second inductor path, wherein the first inductor path connects the first terminal and the second terminal. An alternative impedance matching network includes a transformer and an adaptive matching network. The transformer is configured to transform an impedance connected to a first port so that a corresponding transformed impedance lies within a confined impedance region in a complex impedance plane.

公开(公告)号：US09966946B2

公开(公告)日：2018-05-08

申请号：US14243338

申请日：2014-04-02

Applicant: Infineon Technologies AG

Inventor： Winfried Bakalski ,  Anthony Thomas

IPC: H03K17/693 ,  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.

公开(公告)号：US09947985B2

公开(公告)日：2018-04-17

申请号：US14804073

申请日：2015-07-20

Applicant: Infineon Technologies AG

Inventor： Valentyn Solomko ,  Winfried Bakalski ,  Nikolay Ilkov

IPC: H01P5/18 ,  H03H7/38 ,  H03H7/48

CPC classification number: H01P5/184 ,  H03H7/48

Abstract: In accordance with an embodiment, a method of operating a directional coupler includes determining a coupled power variation by applying an input signal at an input port of the directional coupler, applying a first impedance at a transmitted port of the directional coupler, measuring a first coupled power at a coupled port of the directional coupler after applying the first impedance, applying a second impedance at the transmitted port of the directional coupler, measuring a second coupled power after applying the second impedance, and determining a difference between the first coupled power and the second coupled power to form the coupled power variation.

公开(公告)号：US09627882B2

公开(公告)日：2017-04-18

申请号：US14672370

申请日：2015-03-30

Applicant: Infineon Technologies AG

Inventor： Winfried Bakalski

IPC: H03H11/28 ,  H02H9/04 ,  H03H7/40

CPC classification number: H02H9/04 ,  H03H7/40

Abstract: An impedance matching network comprises a first signal terminal configured to receive a signal from a source circuit and a second signal terminal configured to provide the signal to a load circuit. The network further comprises a series branch comprising a variable capacitive component between the first signal terminal and the second signal terminal. The variable capacitive component comprises a plurality of capacitive portions connected in series, wherein at least one of the capacitive portions comprises a switching element comprising a stack of series connected transistors. The impedance matching network also comprises a control component configured to control a capacitance of the variable capacitive component by controlling the at least one of the capacitive portions based on a predetermined algorithm.

公开(公告)号：US09608305B2

公开(公告)日：2017-03-28

申请号：US14155130

申请日：2014-01-14

Applicant: Infineon Technologies AG

Inventor： Valentyn Solomko ,  Winfried Bakalski ,  Nikolay Ilkov ,  Werner Simbuerger ,  Daniel Kehrer

IPC: H01P5/18 ,  G01R1/20 ,  G01R19/00 ,  H01P5/04 ,  G01R21/07

CPC classification number: H01P5/18 ,  G01R1/203 ,  G01R1/206 ,  G01R19/00 ,  G01R21/07 ,  H01P5/04 ,  H03H7/48

Abstract: A circuit includes a current sensing circuit comprising a current input terminal coupled to an input port, a current output terminal coupled to a transmitted port, and a current sensing output terminal configured to provide a current sensing signal proportional to a current flowing between the current input terminal and the current output terminal. The circuit further includes a voltage sensing circuit having a voltage input terminal coupled to the transmitted port and a voltage sensing output terminal configured to provide a voltage sensing signal proportional to a voltage at the transmitted port. A combining circuit has a first input coupled to the current sensing output terminal, a second input coupled to the voltage sensing output terminal, and a combined output node coupled to an output port.

公开(公告)号：US09535140B2

公开(公告)日：2017-01-03

申请号：US13931092

申请日：2013-06-28

Applicant: Infineon Technologies AG

Inventor： Valentyn Solomko ,  Winfried Bakalski

IPC: G01R33/02 ,  G01R33/09 ,  H03H7/40 ,  H03H7/18

CPC classification number: G01R33/09 ,  H03H7/18 ,  H03H7/40

Abstract: In accordance with an embodiment, a circuit includes a magnetic transformer having a first winding coupled between a first signal node and a second signal node, and a second winding coupled between a first reference node and a current measurement node. A phase shift network is coupled between the second node and a voltage measurement node, and the circuit is configured to indicate an impedance matching condition based on an amplitude difference and a phase difference between the voltage measurement node and the current measurement node.

Abstract translation: 根据实施例，电路包括磁变压器，其具有耦合在第一信号节点和第二信号节点之间的第一绕组以及耦合在第一参考节点和当前测量节点之间的第二绕组。 相移网络耦合在第二节点和电压测量节点之间，并且电路被配置为基于电压测量节点和当前测量节点之间的振幅差和相位差来指示阻抗匹配条件。

公开(公告)号：US09515645B2

公开(公告)日：2016-12-06

申请号：US14294757

申请日：2014-06-03

Applicant: Infineon Technologies AG

Inventor： Winfried Bakalski ,  Nikolay Ilkov

IPC: H04B1/44 ,  H03K17/16 ,  H03K3/012 ,  H04B1/00 ,  H04B1/04 ,  H04B1/18

CPC classification number: H03K17/161 ,  H03F3/24 ,  H03K3/012 ,  H03K17/16 ,  H04B1/006 ,  H04B1/0458 ,  H04B1/18 ,  H04B1/44 ,  H04B2001/0408

Abstract: In accordance with an embodiment, a circuit includes a plurality of switching networks coupled between a corresponding plurality of RF ports and a common RF port, and a control circuit. Each of the plurality of switching networks includes a first switch coupled between its corresponding RF port and the common RF port, and at least one of the plurality of switching networks includes a selectable network coupled between the first switch and the common RF port, such that the selectable network provides a DC path in a first state and a series capacitance in a second state.

Abstract translation: 根据实施例，电路包括耦合在对应的多个RF端口和公共RF端口之间的多个交换网络以及控制电路。 多个交换网络中的每一个包括耦合在其对应的RF端口和公共RF端口之间的第一开关，并且多个交换网络中的至少一个交换网络包括耦合在第一交换机和公共RF端口之间的可选网络，使得 可选择的网络提供处于第一状态的DC路径和处于第二状态的串联电容。