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1. 发明授权

US11251827B2 Front-end module 有权
公开(公告)号：US11251827B2
公开(公告)日：2022-02-15
申请号：US16930372
申请日：2020-07-16
申请人： Samsung Electro-Mechanics Co., Ltd.
发明人： Nack Gyun Seong , Ju Young Park
IPC分类号： H04B1/401 , H03F3/189 , H04B1/00 , H03F3/19 , H01P5/16 , H04L25/02 , H03F1/32
摘要： A front-end module is provided. The front-end module includes a reception amplifier configured to amplify a received radio-frequency (RF) signal, first and second series switches configured to control a switching operation to electrically connect an output terminal of the reception amplifier and first and second reception ports to each other, a radio-frequency (RF) splitter configured to simultaneously transfer a received RF signal, amplified by the reception amplifier or bypassing the reception amplifier, to the first and second reception ports, first and second shunt switches configured to control a switching operation to electrically connect a ground and first and second branch nodes between the RF splitter and the first and second reception ports to each other, and first and second reflected wave removing impedance elements electrically connected between the first and second branch nodes and a ground.

2. 发明授权

US10826435B2 Bias circuit and amplifier 有权
公开(公告)号：US10826435B2
公开(公告)日：2020-11-03
申请号：US16432260
申请日：2019-06-05
申请人： SAMSUNG ELECTRO-MECHANICS CO., LTD.
发明人： Nack Gyun Seong , Jong Myeong Kim
IPC分类号： H03G3/20 , H03F1/02 , H03F3/19 , H03F1/56 , H03F1/32 , H03F1/26
摘要： A bias circuit includes a bias current circuit varying a resistance value according to a mode voltage determined according to a magnitude of an input radio frequency signal, and generating a bias current that is controlled according to the variation of the resistance value; a bias voltage circuit generating a bias voltage that is adjusted according to a change in a power source voltage and supplying the bias voltage to an amplifying circuit; and a bias transfer circuit supplying the bias current to a base node of the amplifying circuit and blocking an input of the radio frequency signal from the base node.

3. 发明授权

US09509262B2 Concurrent multi-band radio frequency amplifying circuit 有权
标题翻译：并发多频段射频放大电路
公开(公告)号：US09509262B2
公开(公告)日：2016-11-29
申请号：US14486555
申请日：2014-09-15
申请人： SAMSUNG ELECTRO-MECHANICS CO., LTD.
发明人： Nack Gyun Seong
IPC分类号： H03F3/04 , H03F3/193 , H03F1/56 , H03F3/21
CPC分类号： H03F3/193 , H03F1/565 , H03F3/211 , H03F2200/111 , H03F2200/222 , H03F2200/225 , H03F2200/387 , H03F2200/39 , H03F2200/391
摘要： A concurrent multi-band RF amplifying circuit may include: an input impedance matching unit performing impedance matching on each of first and second band signals included in an input signal input through one input terminal; an input amplifying unit including first and second band amplifying units each amplifying the first and second band signals input through the input impedance matching unit; a common ground circuit unit connected between a first common node commonly connected to the first and second band amplifying unit and a ground and including an impedance device for matching of an input impedance; and an output amplifying unit amplifying signals from each of the first and second band amplifying units.
摘要翻译：并行的多频带RF放大电路可以包括：输入阻抗匹配单元，对包括在通过一个输入端子输入的输入信号中的第一和第二频带信号进行阻抗匹配; 输入放大单元，包括第一和第二频带放大单元，每个放大单元放大通过输入阻抗匹配单元输入的第一和第二频带信号; 公共接地电路单元，连接在共同连接到第一和第二频带放大单元的第一公共节点和地之间，并且包括用于匹配输入阻抗的阻抗装置; 以及输出放大单元，放大来自第一和第二频带放大单元的信号。

4. 发明授权

US11632094B2 Radio frequency splitter and front-end module 有权
公开(公告)号：US11632094B2
公开(公告)日：2023-04-18
申请号：US16930396
申请日：2020-07-16
申请人： Samsung Electro-Mechanics Co., Ltd.
发明人： Nack Gyun Seong , Ju Young Park
IPC分类号： H03H7/48 , H03F3/60 , H01P5/12 , H04B1/04 , H03F3/24
摘要： A radio-frequency (RF) splitter is provided. The RF splitter includes a common branch node configured to transfer an RF signal, input from an input port, to at least one of first and second output ports, first and second branch nodes electrically connected between the common branch node and the first and second output ports, first and second series switches configured to control switching operations to electrically connect the common branch node and the first and second branch nodes to each other, first and second inductors electrically connected between the common branch node and the first and second branch nodes, a resistor electrically connected between the first and second branch nodes, and first and second shunt switches configured to control switching operations to electrically connect the first and second branch nodes and the resistor to each other.

5. 发明授权

US09673765B2 Concurrent dual-band signal amplifier 有权
公开(公告)号：US09673765B2
公开(公告)日：2017-06-06
申请号：US14972372
申请日：2015-12-17
申请人： SAMSUNG ELECTRO-MECHANICS CO., LTD.
发明人： Nack Gyun Seong , Seung Goo Jang
IPC分类号： H03F1/07 , H03F3/193 , H03F1/56 , H03F3/30 , H03F3/50
CPC分类号： H03F3/193 , H03F1/565 , H03F3/3022 , H03F3/505 , H03F2200/111 , H03F2200/165 , H03F2200/294 , H03F2200/411 , H03F2200/451 , H03F2200/516 , H03F2203/5036
摘要： A signal amplifier includes a band suppression filter configured to suppress a preset band among bands included in an input signal, a first common source-type amplifier connected between a supply terminal of a driving voltage and a ground terminal and configured to amplify a first input signal separated from an output signal of the band suppression filter in a common input node to provide a first amplified signal to a common output node, a second common source-type amplifier configured to amplify a second input signal separated from the output signal of the band suppression filter in the common input node to provide a second amplified signal to the common output node, and an output matcher configured to match levels of impedance between the common output node and an output terminal and to transfer a combined signal to the output terminal.

6. 发明授权

US09899968B2 Low noise amplifier circuit 有权
公开(公告)号：US09899968B2
公开(公告)日：2018-02-20
申请号：US14976813
申请日：2015-12-21
申请人： SAMSUNG ELECTRO-MECHANICS CO., LTD.
发明人： Nack Gyun Seong , Sung Hwan Park , Sang Hoon Ha , Sang Hee Kim , Nam Heung Kim , Sang Wook Park
IPC分类号： H03F1/56 , H03G3/16 , H03F1/02 , H03F3/193 , H03F3/45
CPC分类号： H03F1/565 , H03F1/0205 , H03F3/193 , H03F3/45188 , H03F2200/216 , H03F2200/294
摘要： A low noise amplifier circuit includes a first amplifier including a first transistor and a second transistor that are cascode-connected to each other; a second amplifier including a third transistor and a fourth transistor that are cascode-connected to each other; a source terminal matcher connected to a source of the first transistor and a source of the third transistor; and an input matcher providing input that is impedance-matched by a first inductor and a second inductor to a gate of the first transistor and providing input which is impedance-matched by the first inductor to a gate of the third transistor. The circuit is able to operate in a dual-band and provide impedance matching, while being simpler than alternative circuits.

7. 发明授权

US09509258B2 Signal amplifier having inverted topology in stacked common gate structure 有权
标题翻译：信号放大器在堆叠公共栅极结构中具有反向拓扑
公开(公告)号：US09509258B2
公开(公告)日：2016-11-29
申请号：US14701629
申请日：2015-05-01
申请人： Samsung Electro-Mechanics Co., Ltd.
发明人： Nack Gyun Seong , Seung Goo Jang
IPC分类号： H03F1/56 , H03F3/21 , H03F3/19 , H03F3/193
CPC分类号： H03F1/565 , H03F3/19 , H03F3/193 , H03F3/211 , H03F2200/72 , H03F2203/21106 , H03F2203/21139
摘要： A signal amplifier may include a first common gate-type amplifying unit connected to a source voltage terminal, dividing an input signal into two signals, amplifying the two divided signals, respectively, and providing a first signal and a second signal, a second common gate-type amplifying unit connected to a ground, dividing the input signal into two signals, amplifying the two divided signals, respectively, and providing a third signal and a fourth signal, a signal summing unit summing the first signal and the second signal from the first common gate-type amplifying unit and the third signal and the fourth signal from the second common gate-type amplifying unit, and an impedance matching unit impedance-matching a signal summed by the signal summing unit.
摘要翻译：信号放大器可以包括连接到源极电压端子的第一公共栅极型放大单元，将输入信号分成两个信号，分别放大两个分频信号，并提供第一信号和第二信号，第二公共栅极连接到地面，将输入信号分成两个信号，分别放大两个划分的信号，并提供第三信号和第四信号;信号求和单元，将来自第一信号的第一信号和第二信号相加; 公共栅极型放大单元和来自第二公共栅极型放大单元的第三信号和第四信号，以及与由信号求和单元求和的信号进行阻抗匹配的阻抗匹配单元。

8. 发明授权

US09160285B2 Signal amplifier having inverted topology 有权
标题翻译：信号放大器具有反向拓扑
公开(公告)号：US09160285B2
公开(公告)日：2015-10-13
申请号：US14279081
申请日：2014-05-15
申请人： SAMSUNG ELECTRO-MECHANICS CO., LTD.
发明人： Nack Gyun Seong
IPC分类号： H03F3/18 , H03F3/19 , H03F3/24 , H03F1/56 , H03F3/21
CPC分类号： H03F3/19 , H03F1/56 , H03F3/193 , H03F3/211 , H03F3/245 , H03F2200/165 , H03F2200/294 , H03F2200/387 , H03F2200/451 , H03F2203/21139 , H03F2203/21142
摘要： A signal amplifier having an inverted topology may include: a first common source-type amplifying unit connected to a power supply terminal and amplifying a first band signal among input signals; a second common source-type amplifying unit connected to a ground terminal and amplifying a second band signal among input signals; and an output matching unit performing impedance matching with respect to a first band between the first common source-type amplifying unit and an output terminal and performing impedance matching with respect to a second band between the second common source-type amplifying unit and the output terminal. The first common source-type amplifying unit, the output matching unit, and the second common source-type amplifying unit may form a single current path between the power supply terminal and the ground terminal.
摘要翻译：具有反向拓扑的信号放大器可以包括：连接到电源端子并在输入信号中放大第一频带信号的第一公共源型放大单元; 连接到接地端子并在输入信号中放大第二频带信号的第二公共源极型放大单元; 以及输出匹配单元，对所述第一公共源极型放大单元和输出端子之间的第一频带进行阻抗匹配，并且对所述第二公共源极型放大单元和所述输出端子之间的第二频带进行阻抗匹配。第一公共源极放大单元，输出匹配单元和第二公共源极放大单元可以在电源端子和接地端子之间形成单个电流路径。

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