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1. 发明授权

US08564369B2 Linear amplifier 有权
标题翻译：线性放大器
公开(公告)号：US08564369B2
公开(公告)日：2013-10-22
申请号：US13312288
申请日：2011-12-06
申请人： Yu Sin Kim , Youn Suk Kim , Gyu Hyeong Cho , Chang Seok Chae , Young Sub Yuk
发明人： Yu Sin Kim , Youn Suk Kim , Gyu Hyeong Cho , Chang Seok Chae , Young Sub Yuk
IPC分类号： H03F1/30
CPC分类号： H03F3/193 , H03F1/301 , H03F1/342 , H03F3/345 , H03F3/505 , H03F2200/36
摘要： There is provided a linear amplifier capable of suppressing a reduction in bandwidth and reducing a ripple voltage by using a source follower and a local feedback loop. The linear amplifier includes an amplifier amplifying an input signal according to a difference in signal level between the input signal and a feedback signal, and a buffer buffering a signal amplified in the amplifier by a source follow method, suppressing a reduction in bandwidth of the signal, outputting the signal, and providing the bufferred signal to the amplifier as the feedback signal.
摘要翻译：提供一种线性放大器，其能够通过使用源极跟随器和局部反馈回路来抑制带宽的减小并降低纹波电压。线性放大器包括放大器，根据输入信号和反馈信号之间的信号电平差，放大输入信号;以及缓冲器，通过源跟踪方法缓冲放大器中放大的信号，抑制信号带宽的减小输出信号，并将缓冲信号提供给放大器作为反馈信号。

2. 发明申请

US20120139637A1 LINEAR AMPLIFIER 有权
标题翻译：线性放大器
公开(公告)号：US20120139637A1
公开(公告)日：2012-06-07
申请号：US13312288
申请日：2011-12-06
申请人： Yu Sin KIM , Youn Suk Kim , Gyu Hyeong Cho , Chang Seok Chae , Young Sub Yuk
发明人： Yu Sin KIM , Youn Suk Kim , Gyu Hyeong Cho , Chang Seok Chae , Young Sub Yuk
IPC分类号： H03F1/22 , H03F1/34
CPC分类号： H03F3/193 , H03F1/301 , H03F1/342 , H03F3/345 , H03F3/505 , H03F2200/36
摘要： There is provided a linear amplifier capable of suppressing a reduction in bandwidth and reducing a ripple voltage by using a source follower and a local feedback loop. The linear amplifier includes an amplifier amplifying an input signal according to a difference in signal level between the input signal and a feedback signal, and a buffer buffering a signal amplified in the amplifier by a source follow method, suppressing a reduction in bandwidth of the signal, outputting the signal, and providing the buffered signal to the amplifier as the feedback signal.
摘要翻译：提供一种线性放大器，其能够通过使用源极跟随器和局部反馈回路来抑制带宽的减小并降低纹波电压。线性放大器包括放大器，根据输入信号和反馈信号之间的信号电平差，放大输入信号;以及缓冲器，通过源跟踪方法缓冲放大器中放大的信号，抑制信号带宽的减小输出该信号，并将缓冲的信号提供给放大器作为反馈信号。

3. 发明授权

US08461919B2 Radio frequency switch circuit 有权
标题翻译：射频开关电路
公开(公告)号：US08461919B2
公开(公告)日：2013-06-11
申请号：US13016349
申请日：2011-01-28
申请人： Yu Sin Kim , Youn Suk Kim , Dong Hyun Baek , Sun Woo Yoon
发明人： Yu Sin Kim , Youn Suk Kim , Dong Hyun Baek , Sun Woo Yoon
IPC分类号： H01L25/00
CPC分类号： H03K17/94 , H01L2924/0002 , H01L2924/00
摘要： A radio frequency (RF) switch circuit in which an RF switch and a switch controller are formed on a single CMOS substrate and floating resistors are connected to a deep N type well substrate, an N type well substrate, and a P type well substrate to thereby increase linearity with respect to input power. In the RF switch having at least one NMOS (N type Metal Oxide Semiconductor) switch changing a transmission path of an RF signal, an N type terminal formed on a first deep N type well substrate receives driving power through a floating resistor, a P type terminal formed on a first P type substrate receives body power through a floating resistor, and the two N type terminals formed on the first P type substrate receive gate power through a floating resistor, and in the switch controller having at least one NMOS switch and at least one PMOS (P type Metal Oxide Semiconductor) switch controlling changing of a path of the RF switch, an N type terminal formed on a second deep N type well substrate and an N type terminal formed on the first N type substrate receive driving power through floating resistors.
摘要翻译：将RF开关和开关控制器形成在单个CMOS基板上的浮动开关电路和浮动电阻器连接到深N型阱基板，N型阱基板和P型阱基板，从而相对于输入功率增加线性度。在具有改变RF信号的传输路径的至少一个NMOS（N型金属氧化物半导体）开关的RF开关中，形成在第一深N型阱基板上的N型端子通过浮动电阻器接收驱动电力，P型形成在第一P型基板上的端子通过浮动电阻器接收主体电力，并且形成在第一P型基板上的两个N型端子通过浮动电阻器接收栅极电力，并且在具有至少一个NMOS开关的开关控制器中控制RF开关的路径变化的至少一个PMOS（P型金属氧化物半导体）开关，形成在第二深N型阱基板上的N型端子和形成在第一N型基板上的N型端子接收驱动电力浮动电阻

4. 发明授权

US08344824B2 Asymmetric power divider 有权
标题翻译：不对称功率分配器
公开(公告)号：US08344824B2
公开(公告)日：2013-01-01
申请号：US12768432
申请日：2010-04-27
申请人： Yu Sin Kim , Song Cheol Hong , Sang Hyun Baek , Youn Suk Kim
发明人： Yu Sin Kim , Song Cheol Hong , Sang Hyun Baek , Youn Suk Kim
IPC分类号： H03H7/38
CPC分类号： H03H11/36 , H03F1/0288 , H03H7/18 , H03H7/38
摘要： Disclosed herein is an asymmetric power divider. The asymmetric power divider includes a power dividing unit, a first matching network, and a second matching network. The power dividing unit supplies different amounts of power to a carrier amplifier and a peaking amplifier, which are connected in parallel. The first matching network is connected between the power dividing unit and the carrier amplifier so as to perform impedance matching between the power dividing unit and the carrier amplifier. The second matching network is connected between the power dividing unit and the peaking amplifier so as to perform impedance matching between the power dividing unit and the peaking amplifier.
摘要翻译：本文公开了一种不对称功率分配器。不对称功率分配器包括功率分配单元，第一匹配网络和第二匹配网络。功率分配单元向并联的载波放大器和峰化放大器提供不同的功率量。第一匹配网络连接在功率分配单元和载波放大器之间，以便在功率分配单元和载波放大器之间执行阻抗匹配。第二匹配网络连接在功率分配单元和峰化放大器之间，以便在功率分配单元和峰化放大器之间执行阻抗匹配。

5. 发明申请

US20110121912A1 ASYMMETRIC POWER DIVIDER 有权
标题翻译：不对称功率分配器
公开(公告)号：US20110121912A1
公开(公告)日：2011-05-26
申请号：US12768432
申请日：2010-04-27
申请人： Yu Sin Kim , Song Cheol Hong , Sang Hyun Baek , Youn Suk Kim
发明人： Yu Sin Kim , Song Cheol Hong , Sang Hyun Baek , Youn Suk Kim
IPC分类号： H03H7/38
CPC分类号： H03H11/36 , H03F1/0288 , H03H7/18 , H03H7/38
摘要： Disclosed herein is an asymmetric power divider. The asymmetric power divider includes a power dividing unit, a first matching network, and a second matching network. The power dividing unit supplies different amounts of power to a carrier amplifier and a peaking amplifier, which are connected in parallel. The first matching network is connected between the power dividing unit and the carrier amplifier so as to perform impedance matching between the power dividing unit and the carrier amplifier. The second matching network is connected between the power dividing unit and the peaking amplifier so as to perform impedance matching between the power dividing unit and the peaking amplifier.
摘要翻译：本文公开了一种不对称功率分配器。不对称功率分配器包括功率分配单元，第一匹配网络和第二匹配网络。功率分配单元向并联的载波放大器和峰化放大器提供不同的功率量。第一匹配网络连接在功率分配单元和载波放大器之间，以便在功率分配单元和载波放大器之间执行阻抗匹配。第二匹配网络连接在功率分配单元和峰化放大器之间，以便在功率分配单元和峰化放大器之间执行阻抗匹配。

6. 发明授权

US08476959B2 Radio frequency switch circuit 有权
标题翻译：射频开关电路
公开(公告)号：US08476959B2
公开(公告)日：2013-07-02
申请号：US13016499
申请日：2011-01-28
申请人： Yu Sin Kim , Youn Suk Kim , Dong Hyun Baek , Sun Woo Yoon
发明人： Yu Sin Kim , Youn Suk Kim , Dong Hyun Baek , Sun Woo Yoon
IPC分类号： H03K17/00 , H01L25/00
CPC分类号： H01L27/092 , H01L2924/0002 , H01P1/15 , H01L2924/00
摘要： An RF switch circuit includes an RF switch including a first NMOS switch formed on a chip substrate, a switch controller including a second NMOS switch and a PMOS switch formed on the substrate, for controlling the RF switch, and a limiter including a deep N-type well diode formed on the substrate, for limiting an RF signal level transferred from the RF switch to the switch controller through the substrate. The first NMOS switch includes a first N-type terminal formed on a deep N-type well substrate formed on the substrate, for receiving a driving power through a first floating resistor, a P-type terminal for receiving a body power through a second floating resistor, and two second N-type terminals for receiving a gate power through a third floating resistor. The P-type and two second N-type terminals are formed on a P-type substrate formed on the deep N-type well substrate.
摘要翻译： RF开关电路包括RF开关，其包括形成在芯片基板上的第一NMOS开关，开关控制器，包括形成在基板上的第二NMOS开关和PMOS开关，用于控制RF开关;以及限幅器，形成在衬底上的阱型二极管，用于限制通过衬底从RF开关传送到开关控制器的RF信号电平。第一NMOS开关包括形成在形成在衬底上的深N型阱衬底上的第一N型端子，用于通过第一浮动电阻器接收驱动电力; P型端子，用于通过第二浮置电阻器和两个第二N型端子，用于通过第三浮动电阻器接收栅极电力。在深N型阱基板上形成的P型基板上形成有P型和2端的N型端子。

7. 发明授权

US08917145B2 Amplifier circuit and operating method thereof 有权
标题翻译：放大器电路及其操作方法
公开(公告)号：US08917145B2
公开(公告)日：2014-12-23
申请号：US13452605
申请日：2012-04-20
申请人： Young Jean Song , Jun Goo Won , Youn Suk Kim , Shinichi Iizuka , Ju Young Park , Ki Joong Kim
发明人： Young Jean Song , Jun Goo Won , Youn Suk Kim , Shinichi Iizuka , Ju Young Park , Ki Joong Kim
IPC分类号： H03F3/191
CPC分类号： H03F1/08 , H03F1/32 , H03F3/19 , H03F3/211 , H03F2200/18 , H03F2200/225
摘要： There is provided an amplifier circuit. The amplifier circuit includes an amplifying unit including at least one transistor; at least one first bias circuit unit including a resistor and connected to the at least one transistor; and at least one second bias circuit unit connected between an input terminal to which an input signal is applied and the at least one transistor so as to block an input signal having a frequency higher than a first frequency or having a frequency lower than a second frequency. The amplifier circuit according to embodiment of the present invention may prevent thermal runaway, remove a harmonic component from an input signal to be amplified and suppress oscillations.
摘要翻译：提供了放大器电路。该放大器电路包括一个包括至少一个晶体管的放大单元; 至少一个第一偏置电路单元，包括电阻并连接到所述至少一个晶体管; 以及至少一个第二偏置电路单元，连接在施加输入信号的输入端和所述至少一个晶体管之间，以便阻挡具有高于第一频率或具有低于第二频率的频率的频率的输入信号。根据本发明的实施例的放大器电路可以防止热失控，从要放大的输入信号中去除谐波分量并抑制振荡。

8. 发明申请

US20130207728A1 AMPLIFIER CIRCUIT AND OPERATING METHOD THEREOF 有权
标题翻译：放大器电路及其工作方法
公开(公告)号：US20130207728A1
公开(公告)日：2013-08-15
申请号：US13452605
申请日：2012-04-20
申请人： Young Jean SONG , Jun Goo Won , Youn Suk Kim , Shinichi Iizuka , Ju Young Park , Ki Joong Kim
发明人： Young Jean SONG , Jun Goo Won , Youn Suk Kim , Shinichi Iizuka , Ju Young Park , Ki Joong Kim
IPC分类号： H03F3/04
CPC分类号： H03F1/08 , H03F1/32 , H03F3/19 , H03F3/211 , H03F2200/18 , H03F2200/225
摘要： There is provided an amplifier circuit. The amplifier circuit includes an amplifying unit including at least one transistor; at least one first bias circuit unit including a resistor and connected to the at least one transistor; and at least one second bias circuit unit connected between an input terminal to which an input signal is applied and the at least one transistor so as to block an input signal having a frequency higher than a first frequency or having a frequency lower than a second frequency. The amplifier circuit according to embodiment of the present invention may prevent thermal runaway, remove a harmonic component from an input signal to be amplified and suppress oscillations.
摘要翻译：提供了放大器电路。该放大器电路包括一个包括至少一个晶体管的放大单元; 至少一个第一偏置电路单元，包括电阻并连接到所述至少一个晶体管; 以及至少一个第二偏置电路单元，其连接在施加输入信号的输入端与所述至少一个晶体管之间，以便阻挡具有高于第一频率的频率或具有低于第二频率的频率的输入信号。根据本发明的实施例的放大器电路可以防止热失控，从要放大的输入信号中去除谐波分量并抑制振荡。

9. 发明申请

US20120319779A1 TRANSFORMER AND CMOS POWER AMPLIFIER INCLUDING THE SAME 有权
标题翻译：变压器和CMOS功率放大器，包括它们
公开(公告)号：US20120319779A1
公开(公告)日：2012-12-20
申请号：US13480394
申请日：2012-05-24
申请人： Youn Suk Kim , Ki Joong Kim , Jun Goo Won
发明人： Youn Suk Kim , Ki Joong Kim , Jun Goo Won
IPC分类号： H03F3/21 , H01F27/28
CPC分类号： H03F3/45475 , H01F27/2804 , H01F2027/2809 , H03F3/195 , H03F3/245 , H03F2200/534 , H03F2200/537 , H03F2200/541
摘要： Disclosed herein is a transformer including: a primary coil formed of a first conductor having a predetermined length and including a first end and second end for receiving a signal, wherein the first conductor is formed as a first loop; and a secondary coil that is coupled to the primary coil in an electromagnetic coupling, and is formed of a second conductor having a predetermined length and including a first end and a second end for outputting a signal, wherein the second conductor is formed as a second loop, wherein the primary coil and the secondary coil are stacked while crossing each other. Accordingly, power transformer efficiency may be increased.
摘要翻译：本文公开了一种变压器，包括：初级线圈，其由具有预定长度的第一导体形成，并且包括用于接收信号的第一端和第二端，其中所述第一导体形成为第一环; 以及次级线圈，其以电磁耦合耦合到所述初级线圈，并且由具有预定长度的第二导体形成，并且包括用于输出信号的第一端和第二端，其中所述第二导体形成为第二导体其中初级线圈和次级线圈彼此交叉堆叠。因此，可以提高电力变压器效率。

10. 发明授权

US08022762B2 Multi-stage CMOS power amplifier 有权
标题翻译：多级CMOS功率放大器
公开(公告)号：US08022762B2
公开(公告)日：2011-09-20
申请号：US12823420
申请日：2010-06-25
申请人： Youn Suk Kim , Hyo Gun Bae , Joong Jin Nam , Jun Goo Won , Ki Joong Kim
发明人： Youn Suk Kim , Hyo Gun Bae , Joong Jin Nam , Jun Goo Won , Ki Joong Kim
IPC分类号： H03F1/00
CPC分类号： H03F3/45179 , H03F1/3205 , H03F3/193 , H03F3/245 , H03F3/3022 , H03F2200/411 , H03F2200/516 , H03F2200/534 , H03F2200/537 , H03F2200/541
摘要： There is provided a multi-stage CMOS power amplifier including: a driver amplifier having differential output terminals, inverting differential signals input through first and second input terminals and outputting the respective inverted signals through the differential output terminals; a transformer for power matching having a primary coil connected between the differential output terminals of the driver amplifier and a secondary coil coupled with the primary coil using electromagnetic induction, having a predetermined turns ratio to the primary coil, and connected to a direct current (DC) tuning voltage terminal; and a power amplifier power-amplifying differential signals passing through one end and the other end of the secondary coil of the transformer and outputting the respective power-amplified differential signals through first and second output terminals.
摘要翻译：提供了一种多级CMOS功率放大器，包括：具有差分输出端的驱动放大器，通过第一和第二输入端输入的差分信号反相，并通过差分输出端输出各反相信号; 一种用于功率匹配的变压器，其具有连接在所述驱动放大器的差分输出端子之间的初级线圈和使用电磁感应耦合到所述初级线圈的次级线圈，所述次级线圈具有与所述初级线圈的预定匝数比，并且连接到直流）调谐电压端子; 以及功率放大器功率放大差分信号，其通过变压器的次级线圈的一端和另一端，并通过第一和第二输出端输出相应的功率放大差分信号。

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