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1. 发明申请

US20110121903A1 POWER AMPLIFIER 有权
标题翻译：功率放大器
公开(公告)号：US20110121903A1
公开(公告)日：2011-05-26
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： H03F3/16 , H03F1/00
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： There is provided a power amplifier that can increase power efficiency by preventing power consumption caused by DC components from an RF input signal. A power amplifier according to an aspect of the invention may include: an inverter amplification section amplifying an input signal according to an inverter method to thereby remove DC components from the input signal; an impedance matching section matching an impedance of a transmission path of the input signal amplified by the inverter amplification section; and an amplification section amplifying an impedance-matched signal from the impedance matching section according to a gain set beforehand.
摘要翻译：提供了一种功率放大器，其可以通过防止来自RF输入信号的DC分量引起的功率消耗来提高功率效率。根据本发明的一个方面的功率放大器可以包括：逆变器放大部分，根据逆变器方法放大输入信号，从而从输入信号中去除DC分量; 阻抗匹配部匹配由所述反相放大部放大的输入信号的传输路径的阻抗; 以及放大部，根据预先设定的增益放大来自阻抗匹配部的阻抗匹配信号。

2. 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。

3. 发明申请

US20110187458A1 POWER AMPLIFIER 失效
标题翻译：功率放大器
公开(公告)号：US20110187458A1
公开(公告)日：2011-08-04
申请号：US13012295
申请日：2011-01-24
申请人： Ki Joong KIM , Youn Suk KIM , Young Jean SONG , Jae Hyouck CHOI , Jun Goo WON
发明人： Ki Joong KIM , Youn Suk KIM , Young Jean SONG , Jae Hyouck CHOI , Jun Goo WON
IPC分类号： H03F3/68 , H03F1/22
CPC分类号： H03F1/22 , H03F3/68
摘要： There is provided a power amplifier capable of improving harmonics characteristics of an output signal of an amplifier circuit by compensating a phase of the output signal. A power amplifier according to an aspect of the invention may include: an amplification section having a plurality of amplification units each amplifying a radio frequency (RF) signal according to a gain being controlled; a phase correction section performing phase correction by removing harmonic components of respective output signals from the plurality of amplification units of the amplification section; and a coupling section coupling the respective output signals phase-corrected by the phase correction section.
摘要翻译：提供了能够通过补偿输出信号的相位来改善放大器电路的输出信号的谐波特性的功率放大器。根据本发明的一个方面的功率放大器可以包括：放大部分，具有多个放大单元，每个放大单元根据被控制的增益放大射频（RF）信号; 相位校正部，通过从放大部的多个放大部除去各输出信号的谐波分量来进行相位校正; 以及耦合部分，其耦合由相位校正部分相位校正的各个输出信号。

4. 发明申请

US20100109806A1 TRANSFORMER 有权
标题翻译：变压器
公开(公告)号：US20100109806A1
公开(公告)日：2010-05-06
申请号：US12504196
申请日：2009-07-16
申请人： Ki Joong KIM , Hyo Gun BAE , Joong Jin NAM , Jun Goo WON , Young Jean SONG , Youn Suk KIM
发明人： Ki Joong KIM , Hyo Gun BAE , Joong Jin NAM , Jun Goo WON , Young Jean SONG , Youn Suk KIM
IPC分类号： H03H7/00
CPC分类号： H03H7/42 , H03F3/211 , H03F3/45475 , H03F2200/537 , H03F2200/541 , H03H7/0115 , H03H7/1783 , H03H7/1791
摘要： A transformer includes at least one input conductive line having both ends provided as input ports of a positive (+) signal and a negative (−) signal, respectively, one output conductive line disposed adjacent to the at least one input conductive line to be electromagnetically coupled to the at least one input conductive line, and having one end connected to the ground, a first resonator disposed between the other end of the output conductive line and the ground, and a second resonator having one end connected to the other end of the output conductive line and the other end provided as an output port.
摘要翻译：变压器包括至少一个输入导线，其两端分别被提供为正（+）信号和负（ - ）信号的输入端，一个输出导线与所述至少一个输入导线邻近设置成电磁地耦合到所述至少一个输入导线，并且其一端连接到所述地，设置在所述输出导线的另一端与所述地之间的第一谐振器，以及第二谐振器，其一端连接到所述输出导线的另一端输出导线，另一端作为输出端口。

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。

7. 发明申请

US20120062324A1 RF POWER AMPLIFIER 有权
标题翻译：射频功率放大器
公开(公告)号：US20120062324A1
公开(公告)日：2012-03-15
申请号：US13006989
申请日：2011-01-14
申请人： Youn Suk KIM , Dae Seok JANG , Hyo Kun BAE , Seong Geun KIM , Young Jean SONG , Ju Young PARK
发明人： Youn Suk KIM , Dae Seok JANG , Hyo Kun BAE , Seong Geun KIM , Young Jean SONG , Ju Young PARK
IPC分类号： H05F3/02 , H03F3/04
CPC分类号： H03F3/245 , H03F1/52 , H03F1/523 , H03F3/195 , H03F2200/426 , H03F2200/444
摘要： An RF power amplifier includes an RF choke coil, a power amplification circuit unit, and an electrostatic discharge (ESD) protection unit. The RF choke coil is connected to a voltage terminal through which an operating voltage is applied. The RF choke coil supplies the operating voltage and interrupts an RF signal. The power amplification circuit unit is supplied with the operating voltage through the RF choke coil. The power amplification circuit unit amplifies an input signal inputted through an input terminal and outputs the amplified input signal through an output terminal. The ESD protection unit is connected between a first connection node and a ground. The ESD protection unit bypasses an ESD voltage from the first connection node to the ground, the first connection node being a node between the voltage terminal and the RF choke coil.
摘要翻译： RF功率放大器包括RF扼流线圈，功率放大电路单元和静电放电（ESD）保护单元。 RF扼流线圈连接到施加工作电压的电压端子。 RF扼流线圈提供工作电压并中断RF信号。功率放大电路单元通过RF扼流线圈提供工作电压。功率放大电路单元放大通过输入端子输入的输入信号，并通过输出端子输出放大的输入信号。 ESD保护单元连接在第一连接节点和地之间。 ESD保护单元将ESD电压从第一连接节点旁路到地，第一连接节点是电压端子和RF扼流线圈之间的节点。

8. 发明申请

US20140167861A1 BIAS CIRCUIT AND POWER AMPLIFIER WITH DUAL-POWER MODE 有权
标题翻译：具有双电源模式的偏置电路和功率放大器
公开(公告)号：US20140167861A1
公开(公告)日：2014-06-19
申请号：US13779609
申请日：2013-02-27
申请人： Young Jean SONG
发明人： Young Jean SONG
IPC分类号： H03G1/00
CPC分类号： H03F1/302 , H03F3/245
摘要： There are provided a bias circuit and a power amplifier with a dual-power mode. The bias circuit includes a regulated voltage generation unit generating a regulated voltage by using a reference voltage, a bias voltage generation unit generating a bias voltage according to the regulated voltage, and a power mode control unit operating in any one of a high power mode and a low power mode according to a power mode voltage and dropping the regulated voltage in the low power mode.
摘要翻译：提供了具有双功率模式的偏置电路和功率放大器。偏置电路包括通过使用参考电压产生调节电压的调节电压产生单元，产生根据调节电压的偏置电压的偏置电压产生单元和以高功率模式和根据功率模式电压的低功率模式，并且在低功率模式下降低调节电压。

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