Circuit comprising an accelerating element

    公开(公告)号:US09917575B2

    公开(公告)日:2018-03-13

    申请号:US13937075

    申请日:2013-07-08

    CPC classification number: H03K17/04206

    Abstract: A circuit includes a switching element with a first terminal, a second terminal and a control terminal. The circuit also includes an impedance network coupled between the control terminal and a switching node. The circuit also includes a first accelerating element coupled between the control terminal and a first node. The first node is different from the switching node. The circuit is configured to temporarily activate the first accelerating element when a switching state of the switching element is to be changed.

    COMMUNICATION DEVICE AND METHOD FOR DETERMINING A LOAD IMPEDANCE

    公开(公告)号:US20170352947A1

    公开(公告)日:2017-12-07

    申请号:US15610697

    申请日:2017-06-01

    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.

    Passive equalizers for directional couplers

    公开(公告)号:US09780976B2

    公开(公告)日:2017-10-03

    申请号:US14985767

    申请日:2015-12-31

    Abstract: In accordance with an embodiment, a device includes a directional coupler having an input port, a transmitted port, a coupled port and an isolated port. The device also includes a first passive equalizer having a first terminal coupled to a first one of a coupled port and an isolated port of the directional coupler. The first passive equalizer includes a resonator having a first inductor and a first capacitor, the resonator coupled between the first terminal and a second terminal of the first passive equalizer. The first passive equalizer also includes a first resistor and a second resistor serially connected between the first and the second terminals of the first passive equalizer, the first resistor connected to the second resistor at a first node. The first equalizer further includes a shunt network coupled between a reference terminal and the first node.

    System and Method for a Phase Detector
    16.
    发明申请
    System and Method for a Phase Detector 有权
    相位检测器的系统和方法

    公开(公告)号:US20150219701A1

    公开(公告)日:2015-08-06

    申请号:US14172675

    申请日:2014-02-04

    Inventor: Valentyn Solomko

    Abstract: In accordance with an embodiment, a method of detecting a phase difference between a first signal and a second signal include latching a state of the first signal using the second signal as a clock to produce a first latched signal, latching a state of the second signal using the first signal as a clock to produce a second latched signal summing the first latched signal and the second latched signal to produce an indication of whether the first signal is leading or lagging the second signal.

    Abstract translation: 根据实施例,检测第一信号和第二信号之间的相位差的方法包括使用第二信号将第一信号的状态锁定为时钟以产生第一锁存信号,锁存第二信号的状态 使用第一信号作为时钟来产生对第一锁存信号和第二锁存信号求和的第二锁存信号,以产生第一信号是引导还是滞后第二信号的指示。

    System and Method for a Transformer and a Phase-Shift Network
    17.
    发明申请
    System and Method for a Transformer and a Phase-Shift Network 有权
    变压器和相移网络的系统和方法

    公开(公告)号:US20150002146A1

    公开(公告)日:2015-01-01

    申请号:US13931092

    申请日:2013-06-28

    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。

    RF switch with compensation and gate bootstrapping

    公开(公告)号:US11916546B2

    公开(公告)日:2024-02-27

    申请号:US17185564

    申请日:2021-02-25

    Abstract: A radio frequency switch device includes a first transistor and a second transistor; a compensation network coupled between a body terminal of the first transistor and a source/drain terminal of the second transistor; and a bootstrapping network having a first terminal coupled to a first bias terminal, a second terminal coupled to a gate terminal of the first transistor, and a third terminal coupled to the body terminal of the first transistor, wherein the bootstrapping network establishes a low impedance path between the gate terminal and the body terminal of the first transistor in response to a first voltage value of the first bias terminal, and wherein the bootstrapping network establishes a high impedance path between the gate terminal and the body terminal of the first transistor in response to a second voltage value of the first bias terminal.

Patent Agency Ranking