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    RF SWITCH
    2.
    发明申请
    RF SWITCH 审中-公开
    射频开关

    公开(公告)号：US20150180465A1

    公开(公告)日：2015-06-25

    申请号：US14268943

    申请日：2014-05-02

    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

    Inventor： Yoo Sam NA ,  Jong Myeong KIM ,  Hyun Jin YOO ,  Hyun Hwan YOO ,  Yoo Hwan KIM

    IPC: H03K17/16 ,  H03K17/687 ,  H03K17/689 ,  H03K17/605

    CPC classification number: H03K17/162 ,  H03K17/16 ,  H03K17/605 ,  H03K17/6871 ,  H03K17/689

    Abstract: A radio frequency (RF) switch may include: a common port; a first switching unit; and a second switching unit. The first switching unit further includes a third switching device having one end coupled to a body of one of the plurality of first switching devices and the other end coupled to a first ground terminal, and the second switching unit further includes a fourth switching device having one end coupled to a body of one of the plurality of second switching devices and the other end coupled to a second ground terminal.

    Abstract translation: 射频（RF）开关可以包括：公共端口; 第一切换单元; 和第二切换单元。 第一开关单元还包括第三开关装置，其一端耦合到多个第一开关装置中的一个的主体并且另一端耦合到第一接地端子，并且第二开关单元还包括具有一个的第四开关装置 端部耦合到所述多个第二开关装置中的一个的主体，而另一端耦合到第二接地端子。

    DIRECTIONAL COUPLER CIRCUIT AND POWER AMPLIFYING DEVICE WITH PHASE COMPENSATION FUNCTION
    3.
    发明申请
    DIRECTIONAL COUPLER CIRCUIT AND POWER AMPLIFYING DEVICE WITH PHASE COMPENSATION FUNCTION 审中-公开

    公开(公告)号：US20200119424A1

    公开(公告)日：2020-04-16

    申请号：US16421593

    申请日：2019-05-24

    Applicant: Samsung Electro-Mechanics Co., Ltd.

    Inventor： Jong Mo LIM ,  Yoo Sam NA ,  Hyun Hwan YOO ,  Hyun Jin YOO ,  Hyung Jun CHO ,  Yoo Hwan KIM

    IPC: H01P5/18

    Abstract: A directional coupler circuit includes a signal line disposed between a first terminal and a second terminal; a coupling line comprising a first end terminal and a second end terminal, and disposed to be coupled to the signal line; a switching circuit connecting the first end terminal and a coupling port to each other to extract a first coupling signal in a first coupling mode, and connecting the second end terminal and the coupling port to extract a second coupling signal in a second coupling mode; and a phase compensating circuit configured to compensate for a phase difference between the coupling port and a first isolation port in the first coupling mode, or compensate for a phase difference between the coupling port and a second isolation port in the second coupling mode.

    RADIO FREQUENCY SWITCH CIRCUIT
    5.
    发明申请
    RADIO FREQUENCY SWITCH CIRCUIT 有权
    无线电频率开关电路

    公开(公告)号：US20160285449A1

    公开(公告)日：2016-09-29

    申请号：US14954521

    申请日：2015-11-30

    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

    Inventor： Hyun Jin YOO ,  Jong Myeong KIM ,  Yoo Hwan KIM ,  Hyun Hwan YOO ,  Yoo Sam NA ,  Dae Seok JANG

    IPC: H03K17/687

    CPC classification number: H03K17/693

    Abstract: A radio frequency switch circuit, according to examples, includes a switching circuit controlled to be in a turned on or turned off state on the basis of a gate signal to thereby allow a radio frequency signal to pass or be blocked; a voltage dividing circuit connected to terminals of the switching circuit that the radio frequency signal passes through and outputting intermediate voltage between the terminals by a voltage dividing node; and an impedance circuit connected between the voltage dividing node and a body terminal of the switching circuit.

    Abstract translation: 根据示例，射频开关电路包括基于门信号被控制为导通或截止状态的开关电路，从而允许射频信号通过或阻塞; 连接到射频信号通过的开关电路的端子并通过分压节点在端子之间输出中间电压的分压电路; 以及连接在分压节点和开关电路的主体端子之间的阻抗电路。

    RF SWITCH
    6.
    发明申请
    RF SWITCH 有权
    射频开关

    公开(公告)号：US20150133065A1

    公开(公告)日：2015-05-14

    申请号：US14269073

    申请日：2014-05-02

    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

    Inventor： Hyun Jin YOO ,  Yoo Sam NA ,  Jong Myeong KIM ,  Hyun Hwan YOO ,  Yoo Hwan KIM

    IPC: H04B1/00

    CPC classification number: H04B1/006 ,  H04B1/48

    Abstract: A RF switch may include: a common port coupled to an antenna to transmit and receive first and second high frequency signals; a transmitting switching unit coupled between a transmitting port transferring the first high frequency signal and the common port and including a plurality of switching devices coupled to each other in series; and a receiving switching unit coupled between a receiving port transferring the second high frequency signal and the common port and including a first switching unit including a first switching device. The first switching unit may further include a second switching device having a first terminal coupled to a first terminal of the first switching device and a second terminal coupled to a control terminal of the first switching device.

    Abstract translation: RF开关可以包括：耦合到天线的公共端口，用于发射和接收第一和第二高频信号; 耦合在传送第一高频信号和公共端口的发送端口之间并包括彼此串联连接的多个开关装置的发送切换单元; 以及接收切换单元，其耦合在传送所述第二高频信号的接收端口和所述公共端口之间，并且包括包括第一开关装置的第一开关单元。 第一开关单元还可以包括具有耦合到第一开关装置的第一端子的第一端子和耦合到第一开关装置的控制端子的第二端子的第二开关装置。

    LOW NOISE AMPLIFIER CIRCUIT WITH MULTIPLE-INPUT MULTIPLE-OUTPUT (MIMO) STRUCTURE
    8.
    发明申请
    LOW NOISE AMPLIFIER CIRCUIT WITH MULTIPLE-INPUT MULTIPLE-OUTPUT (MIMO) STRUCTURE 审中-公开

    公开(公告)号：US20190334488A1

    公开(公告)日：2019-10-31

    申请号：US16166295

    申请日：2018-10-22

    Applicant: Samsung Electro-Mechanics Co., Ltd.

    Inventor： Hyun Hwan YOO ,  Jong Mo LIM ,  Yoo Sam NA ,  Hyun Jin YOO ,  Hyung Jun CHO ,  Yoo Hwan KIM

    IPC: H03F3/195

    Abstract: A low noise amplifier circuit includes a first low noise amplifier including a common gate structure cascoded with a parallel common source structure to selectively amplify a band signal among first and second band signals; a second low noise amplifier including a common gate structure cascoded with a parallel common source structure to selectively amplify a band signal among third and fourth band signals; an output DPDT circuit including a first input terminal connected to the first low noise amplifier, a second input terminal connected to the second low noise amplifier, and a first output terminal and a second output terminal for selectively outputting signals input through the first input terminal and the second input terminal; and a control circuit performing an amplification control and a switching control for the first and second low noise amplifiers and the output DPDT circuit in response to a predetermined communications scheme.

    ANTENNA SWITCH CIRCUIT WITH IMPROVED HARMONIC SUPPRESSION CHARACTERISTIC
    10.
    发明申请
    ANTENNA SWITCH CIRCUIT WITH IMPROVED HARMONIC SUPPRESSION CHARACTERISTIC 审中-公开

    公开(公告)号：US20180097511A1

    公开(公告)日：2018-04-05

    申请号：US15691167

    申请日：2017-08-30

    Applicant: Samsung Electro-Mechanics Co., Ltd.

    Inventor： Hyun Jin YOO ,  Yoo Hwan KIM ,  Yoo Sam NA ,  Jong Mo LIM ,  Hyun Hwan YOO

    IPC: H03K5/1252 ,  H03H11/04 ,  H01Q1/50

    CPC classification number: H03K5/1252 ,  H01P1/213 ,  H01Q1/50 ,  H03H11/04 ,  H04B1/0458 ,  H04B1/44

    Abstract: An antenna switch circuit includes: a first switch circuit connected between a first signal port for signal transmission and reception and an antenna port, and operated by a first gate signal; and a second switch circuit connected between a second signal port for signal transmission and reception and the antenna port, and operated by a second gate signal. The first switch circuit and/or the second switch circuit includes a first transistor and a second transistor connected in series between the first and second signal ports, a first voltage dividing circuit including a first resistor and a second resistor connected in series between a source and a drain of the first transistor, and a first variable capacitor circuit connected between the first voltage dividing circuit and a body of the first transistor, and having capacitance varying according to a voltage across opposite ends of the first variable capacitor circuit.

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