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1. 发明授权

US08854142B2 Bias circuit and power amplifier having the same 有权
标题翻译：偏置电路和功率放大器具有相同的功能
公开(公告)号：US08854142B2
公开(公告)日：2014-10-07
申请号：US13565417
申请日：2012-08-02
申请人： Shinichi Iizuka , Youn Suk Kim , Jun Goo Won , Myeong Woo Han , Young Jean Song , Ju Young Park , Ki Joong Kim
发明人： Shinichi Iizuka , Youn Suk Kim , Jun Goo Won , Myeong Woo Han , Young Jean Song , Ju Young Park , Ki Joong Kim
IPC分类号： H03F3/04
CPC分类号： H03F3/19 , H03F1/30
摘要： There are provided a bias circuit supplying different levels of bias power according to respective power modes through a simple circuit configuration, and a power amplifier having the same. The bias circuit includes: a bias setting unit setting a bias power voltage level by switching reference power having a pre-set voltage level determined according to a pre-set power mode; and a bias supply unit including a switching element performing switching according to the setting of the bias setting unit and supplying bias power having a voltage level determined according to a switching operation of the switching element.
摘要翻译：提供了通过简单电路配置根据各自的功率模式提供不同电平的偏置功率的偏置电路，以及具有该偏置电路的功率放大器。偏置电路包括：偏置设定单元，通过切换具有根据预设功率模式确定的预设电压电平的参考功率来设置偏置功率电压电平; 以及偏置电源单元，包括开关元件，根据偏置设置单元的设置执行切换，并提供具有根据开关元件的开关操作确定的电压电平的偏置功率。

2. 发明授权

US08559620B2 Communications circuit for reducing crosstalk 有权
标题翻译：用于减少串扰的通信电路
公开(公告)号：US08559620B2
公开(公告)日：2013-10-15
申请号：US13177904
申请日：2011-07-07
申请人： Jun Goo Won , Youn Suk Kim , Ki Joong Kim , Jae Hyouck Choi , Young Jean Song
发明人： Jun Goo Won , Youn Suk Kim , Ki Joong Kim , Jae Hyouck Choi , Young Jean Song
IPC分类号： H04M1/76 , H02J1/00 , H03H7/38
CPC分类号： H03F3/24 , H03F3/195 , H03F2200/111 , H03F2200/541 , Y10T307/398
摘要： There is provided a communications circuit for reducing crosstalk. The communications circuit for reducing crosstalk may include: a conductive power supply pattern supplying driving power applied from the outside; a first transformer implemented as an integrated passive device (IPD) type having a first input conductive line receiving a first signal of a low-frequency band received from a first power amplifier and a first output conductive line close to the first input conductive line and electromagnetically coupled with the first input conductive line, and receiving the driving power supplied from the conductive power supply pattern through a terminal formed on the first input conductive line; and a second transformer implemented as the IPD type having a second input conductive line receiving a second signal of a high-frequency band received from a second power amplifier and a second output conductive line close to the second input conductive line and electromagnetically coupled with the second input conductive line, and receiving the driving power supplied from the conductive power supply pattern through a terminal formed on the second input conductive line, and the conductive power supply pattern may include an inductor component. Therefore, crosstalk between the low-frequency band and the high-frequency band can be reduced.
摘要翻译：提供了用于减少串扰的通信电路。用于减少串扰的通信电路可以包括：提供从外部施加的驱动电力的导电电源图案; 实现为集成无源器件（IPD）类型的第一变压器，其具有接收从第一功率放大器接收的低频带的第一信号的第一输入导线和靠近第一输入导线的第一输出导线，并且以电磁方式耦合第一输入导线，并且通过形成在第一输入导线上的端子接收从导电电源图案提供的驱动电力; 以及实现为IPD类型的第二变压器，其具有接收从第二功率放大器接收的高频带的第二信号的第二输入导线和靠近第二输入导线并与第二输入导线电磁耦合的第二输出导线输入导线，并且通过形成在第二输入导线上的端子接收从导电电源图案提供的驱动电力，并且导电电源图案可以包括电感器部件。因此，可以降低低频带与高频带之间的串扰。

3. 发明申请

US20110121898A1 WIRELESS APPARATUS HAVING SHIELDING FUNCTION 失效
标题翻译：具有屏蔽功能的无线设备
公开(公告)号：US20110121898A1
公开(公告)日：2011-05-26
申请号：US12790327
申请日：2010-05-28
申请人： Ki Joong KIM , Tae Joon PARK , Young Jean SONG , Jun Goo WON , Youn Suk KIM
发明人： Ki Joong KIM , Tae Joon PARK , Young Jean SONG , Jun Goo WON , Youn Suk KIM
IPC分类号： H03F1/00
CPC分类号： H03F3/211 , H01L23/552 , H01L23/645 , H01L23/66 , H01L24/48 , H01L2223/6677 , H01L2224/05554 , H01L2224/48137 , H01L2924/00014 , H01L2924/19051 , H01L2924/3011 , H01L2924/3025 , H03F3/195 , H03F2200/537 , H03F2200/541 , H01L2924/00 , H01L2224/45099
摘要： There is provided a wireless apparatus having a shielding function for shielding signal interference between driving power from a power amplifier and a conductive wire of a coupler. The wireless apparatus having a shielding function, includes an amplifying unit receiving preset driving power and amplifying a radio frequency (RF) input signal according to a preset gain, an impedance matching unit including at least one coil, receiving the driving power from the amplifying unit, and matching the impedance of a path of a signal, amplified from the amplifying unit, through the coil, and a shielding unit eliminating signal interference between the coil and a transmission path of the driving power from the amplifying unit.
摘要翻译：提供了一种具有屏蔽功能的无线设备，用于屏蔽来自功率放大器的驱动功率与耦合器的导线之间的信号干扰。具有屏蔽功能的无线装置包括放大单元，接收预设的驱动功率并根据预设的增益放大射频（RF）输入信号;阻抗匹配单元，包括至少一个线圈，从放大单元接收驱动功率并且将从放大单元放大的信号的路径的阻抗与线圈匹配，以及屏蔽单元，消除线圈与来自放大单元的驱动功率的传输路径之间的信号干扰。

4. 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。

5. 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。

6. 发明授权

US08253486B2 Wireless apparatus having shielding function 失效
标题翻译：具有屏蔽功能的无线设备
公开(公告)号：US08253486B2
公开(公告)日：2012-08-28
申请号：US12790327
申请日：2010-05-28
申请人： Ki Joong Kim , Tae Joon Park , Young Jean Song , Jun Goo Won , Youn Suk Kim
发明人： Ki Joong Kim , Tae Joon Park , Young Jean Song , Jun Goo Won , Youn Suk Kim
IPC分类号： H03F1/00
CPC分类号： H03F3/211 , H01L23/552 , H01L23/645 , H01L23/66 , H01L24/48 , H01L2223/6677 , H01L2224/05554 , H01L2224/48137 , H01L2924/00014 , H01L2924/19051 , H01L2924/3011 , H01L2924/3025 , H03F3/195 , H03F2200/537 , H03F2200/541 , H01L2924/00 , H01L2224/45099
摘要： There is provided a wireless apparatus having a shielding function for shielding signal interference between driving power from a power amplifier and a conductive wire of a coupler. The wireless apparatus having a shielding function, includes an amplifying unit receiving preset driving power and amplifying a radio frequency (RF) input signal according to a preset gain, an impedance matching unit including at least one coil, receiving the driving power from the amplifying unit, and matching the impedance of a path of a signal, amplified from the amplifying unit, through the coil, and a shielding unit eliminating signal interference between the coil and a transmission path of the driving power from the amplifying unit.
摘要翻译：提供了一种具有屏蔽功能的无线设备，用于屏蔽来自功率放大器的驱动功率与耦合器的导线之间的信号干扰。具有屏蔽功能的无线装置包括放大单元，接收预设的驱动功率并根据预设的增益放大射频（RF）输入信号;阻抗匹配单元，包括至少一个线圈，从放大单元接收驱动功率并且将从放大单元放大的信号的路径的阻抗与线圈匹配，以及屏蔽单元，消除线圈与来自放大单元的驱动功率的传输路径之间的信号干扰。

7. 发明授权

US08183919B2 Power amplifier 有权
标题翻译：功率放大器
公开(公告)号：US08183919B2
公开(公告)日：2012-05-22
申请号：US12823489
申请日：2010-06-25
申请人： Young Jean Song , Shinichi Iizuka , Youn Suk Kim , Hyo Kun Bae , Sang Hee Kim , Jun Goo Won , Joong Jin Nam , Ki Joong Kim , Jae Hyouck Choi
发明人： Young Jean Song , Shinichi Iizuka , Youn Suk Kim , Hyo Kun Bae , Sang Hee Kim , Jun Goo Won , Joong Jin Nam , Ki Joong Kim , Jae Hyouck Choi
IPC分类号： H03F3/45
CPC分类号： H03F3/245 , H03F1/0205 , H03F3/193 , H03F3/3022 , H03F3/3044 , H03F3/45179 , H03F2200/222 , H03F2200/318 , H03F2200/387 , H03F2200/408 , H03F2200/451 , H03F2203/45481 , H03F2203/45621
摘要： A power amplifier includes an inverter amplification section configured to amplify AC components and remove DC components from at least one input signal, an impedance matching section configured to match an impedance of a transmission path of the at least one input signal amplified by the inverter amplification section, and an amplification section configured to amplify an impedance-matched signal from the impedance matching section according to a predetermined gain. The inverter amplification section includes at least one P-channel metal-oxide semiconductor field effect transistor (MOS FET) having a gate configured to receive the at least one input signal and at least one N-channel MOS FET having a gate configured to receive the at least one input signal. The at least one P-channel MOS FET and the at least one N-channel MOS FET are serially connected.
摘要翻译：功率放大器包括反相器放大部分，被配置为放大AC分量并从至少一个输入信号中去除DC分量;阻抗匹配部分，被配置为匹配由反相器放大部分放大的至少一个输入信号的传输路径的阻抗以及放大部，被配置为根据预定增益放大来自阻抗匹配部的阻抗匹配信号。反相器放大部分包括至少一个具有被配置为接收至少一个输入信号的栅极的P沟道金属氧化物半导体场效应晶体管（MOS FET），以及至少一个具有栅极的N沟道MOS FET，其被配置为接收至少一个输入信号。至少一个P沟道MOS FET和至少一个N沟道MOS FET串联。

8. 发明申请

US20120044604A1 POWER AMPLIFIER MODULE WITH SHARED ESD PROTECTION CIRCUIT 有权
标题翻译：具有共用ESD保护电路的功率放大器模块
公开(公告)号：US20120044604A1
公开(公告)日：2012-02-23
申请号：US13177001
申请日：2011-07-06
申请人： Ki Joong KIM , Youn Suk Kim , Dae Seok Jang , Young Jean Song , Jun Goo Won
发明人： Ki Joong KIM , Youn Suk Kim , Dae Seok Jang , Young Jean Song , Jun Goo Won
IPC分类号： H02H9/04
CPC分类号： H03F1/52 , H01L2224/48137 , H01L2224/49111
摘要： Disclosed is a power amplifier module with a shared ESD protection circuit. There is provided a power amplifier module including: an ESD protection circuit that is connected to an output terminal of the LDO part, an output conductive wire pad that outputs the operating power of the LDO part; a printed conductive wire pad that is electrically connected to the output conductive wire pad of the PA controller; a first power coupler that includes a first primary side conductive wire electrically connected to the printer conductive wire pad; a second power coupler that includes a second primary side conductive wire electrically connected to the printer conductive wire pad; a first PA part; and a second PA part, wherein each of the first PA part and the second PA part is protected from ESD by the ESD protection circuit.
摘要翻译：公开了具有共享ESD保护电路的功率放大器模块。提供了一种功率放大器模块，包括：连接到LDO部分的输出端子的ESD保护电路，输出LDO部分的工作电力的输出导线焊盘; 印刷的导线焊盘，其电连接到所述PA控制器的所述输出导线焊盘; 第一功率耦合器，包括电连接到打印机导电焊盘的第一初级侧导线; 第二功率耦合器，包括电连接到打印机导电焊盘的第二初级侧导线; 第一个PA部分; 和第二PA部分，其中第一PA部分和第二PA部分中的每一个被ESD保护电路保护免受ESD。

9. 发明申请

US20120038420A1 COMMUNICATIONS CIRCUIT FOR REDUCING CROSSTALK 有权
标题翻译：通信电路减少CROSSTALK
公开(公告)号：US20120038420A1
公开(公告)日：2012-02-16
申请号：US13177904
申请日：2011-07-07
申请人： Jun Goo WON , Youn Suk KIM , Ki Joong KIM , Jae Hyouck CHOI , Young Jean SONG
发明人： Jun Goo WON , Youn Suk KIM , Ki Joong KIM , Jae Hyouck CHOI , Young Jean SONG
IPC分类号： H03F1/00
CPC分类号： H03F3/24 , H03F3/195 , H03F2200/111 , H03F2200/541 , Y10T307/398
摘要： There is provided a communications circuit for reducing crosstalk. The communications circuit for reducing crosstalk may include: a conductive power supply pattern supplying driving power applied from the outside; a first transformer implemented as an integrated passive device (IPD) type having a first input conductive line receiving a first signal of a low-frequency band received from a first power amplifier and a first output conductive line close to the first input conductive line and electromagnetically coupled with the first input conductive line, and receiving the driving power supplied from the conductive power supply pattern through a terminal formed on the first input conductive line; and a second transformer implemented as the IPD type having a second input conductive line receiving a second signal of a high-frequency band received from a second power amplifier and a second output conductive line close to the second input conductive line and electromagnetically coupled with the second input conductive line, and receiving the driving power supplied from the conductive power supply pattern through a terminal formed on the second input conductive line, and the conductive power supply pattern may include an inductor component. Therefore, crosstalk between the low-frequency band and the high-frequency band can be reduced.
摘要翻译：提供了用于减少串扰的通信电路。用于减少串扰的通信电路可以包括：提供从外部施加的驱动电力的导电电源图案; 实现为集成无源器件（IPD）类型的第一变压器，其具有接收从第一功率放大器接收的低频带的第一信号的第一输入导线和靠近第一输入导线的第一输出导线，并且以电磁方式耦合第一输入导线，并且通过形成在第一输入导线上的端子接收从导电电源图案提供的驱动电力; 以及实现为IPD类型的第二变压器，其具有接收从第二功率放大器接收的高频带的第二信号的第二输入导线和靠近第二输入导线并与第二输入导线电磁耦合的第二输出导线输入导线，并且通过形成在第二输入导线上的端子接收从导电电源图案提供的驱动电力，并且导电电源图案可以包括电感器部件。因此，可以降低低频带与高频带之间的串扰。

10. 发明授权

US08098095B2 Power amplifier 失效
标题翻译：功率放大器
公开(公告)号：US08098095B2
公开(公告)日：2012-01-17
申请号：US12770625
申请日：2010-04-29
申请人： Joong Jin Nam , Youn Suk Kim , Hyo Gun Bae , Jae Hyouck Choi , Jun Goo Won , Young Jean Song , Ki Joong Kim , Sang Hee Kim
发明人： Joong Jin Nam , Youn Suk Kim , Hyo Gun Bae , Jae Hyouck Choi , Jun Goo Won , Young Jean Song , Ki Joong Kim , Sang Hee Kim
IPC分类号： H03F1/00
CPC分类号： H03F3/68
摘要： Disclosed herein is a power amplifier. The power amplifier includes N power amplification means, a transformer, and a harmonic elimination unit. Each of the N power amplification means amplifies an input signal into a predetermined level. The transformer includes N/2 primary windings respectively connected to the output terminals of the power amplification means and a secondary winding configured such that coil elements are connected in series between an output terminal and a ground, and sums power transmitted from the primary windings. The harmonic elimination unit is disposed across both ends of the secondary winding of the transformer, and eliminates the output of the harmonic frequencies of a preset frequency.
摘要翻译：这里公开了功率放大器。功率放大器包括N个功率放大装置，变压器和谐波消除单元。 N个功率放大装置中的每一个将输入信号放大到预定水平。变压器包括分别连接到功率放大装置的输出端子的N / 2个初级绕组和被配置为使得线圈元件串联连接在输出端子和地之间的次级绕组，并且对从初级绕组传递的功率求和。谐波消除单元设置在变压器的次级绕组的两端，并且消除了预设频率的谐波频率的输出。

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