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1. 发明授权

US08125276B2 Sharing of inductor interstage matching in parallel amplification system for wireless communication systems 有权
标题翻译：在无线通信系统的并行放大系统中共享电感级间匹配
公开(公告)号：US08125276B2
公开(公告)日：2012-02-28
申请号：US12722993
申请日：2010-03-12
申请人： Kyu Hwan An , Yunseo Park , Wangmyong Woo , Chang-Ho Lee
发明人： Kyu Hwan An , Yunseo Park , Wangmyong Woo , Chang-Ho Lee
IPC分类号： H03F3/68 , H03F3/191
CPC分类号： H03F3/24 , H03F1/56 , H03F3/195 , H03F3/211 , H03F3/45179 , H03F2200/387 , H03F2200/411 , H03F2200/534 , H03F2200/541 , H03F2203/21139 , H03F2203/21142
摘要： A power amplifier system can include a plurality of driver amplifiers and a plurality of power amplifiers, where each driver amplifier and power amplifier includes at least one respective input port and at least one respective output port. The power amplifier system also includes a shared inductive device that provides common interstage matching between the respective output ports of the plurality of driver amplifiers and the respective input ports of the plurality of power amplifiers. The shared inductive device can be a shared inductor or a shared transformer.
摘要翻译：功率放大器系统可以包括多个驱动器放大器和多个功率放大器，其中每个驱动器放大器和功率放大器包括至少一个相应的输入端口和至少一个相应的输出端口。功率放大器系统还包括共享电感装置，其在多个驱动器放大器的相应输出端口和多个功率放大器的相应输入端口之间提供共同的级间匹配。共享电感器件可以是共享电感器或共享变压器。

2. 发明授权

US08115555B2 Balun function with reference enhancement in single-ended port 有权
标题翻译：巴伦功能与单端口参考增强功能
公开(公告)号：US08115555B2
公开(公告)日：2012-02-14
申请号：US12722966
申请日：2010-03-12
申请人： Kyu Hwan An , Yunseo Park , Chang-Ho Lee
发明人： Kyu Hwan An , Yunseo Park , Chang-Ho Lee
IPC分类号： H03F3/04
CPC分类号： H03F3/45475 , H03F2200/09 , H03F2203/45731
摘要： Systems and methods are provided for a transformer or balun function with reference enhancement. The systems and methods may include a transformer having at least a primary winding and a secondary winding for reference enhancement, where the primary winding includes a center tap, where the secondary winding includes a first port and a second port, and an electrical connection that electrically connects the second port and the center tap of the primary winding to provide a common reference for the primary winding and the secondary winding. The primary winding of the transformer may be configured to receive differential outputs of a power amplifier, and the transformer may be configured to convert the differential outputs from a balanced signal to an unbalanced signal available at the first port of the secondary winding.
摘要翻译：为变压器或平衡 - 不平衡变换器提供了参考增强的系统和方法。系统和方法可以包括具有至少初级绕组和用于参考增强的次级绕组的变压器，其中初级绕组包括中心抽头，其中次级绕组包括第一端口和第二端口，以及电连接，其电气连接初级绕组的第二端口和中心抽头以为初级绕组和次级绕组提供公共参考。变压器的初级绕组可以被配置为接收功率放大器的差分输出，并且变压器可以被配置为将来自平衡信号的差分输出转换成在次级绕组的第一端口处可用的不平衡信号。

3. 发明授权

US07969246B1 Systems and methods for positive and negative feedback of cascode transistors for a power amplifier 有权
标题翻译：用于功率放大器的共源共栅晶体管的正和负反馈的系统和方法
公开(公告)号：US07969246B1
公开(公告)日：2011-06-28
申请号：US12723038
申请日：2010-03-12
申请人： Kyu Hwan An , Yunseo Park , Chang-Ho Lee
发明人： Kyu Hwan An , Yunseo Park , Chang-Ho Lee
IPC分类号： H03F3/04
CPC分类号： H03F1/342 , H03F1/223 , H03F3/45179 , H03F2200/09 , H03F2200/108 , H03F2203/45394
摘要： Systems and methods are provided for positive and negative feedback of cascode transistors for a power amplifier. The systems and methods may include a first cascode stage comprising a first common-source device and a first common-gate device; a second cascode stage comprising a second common-source device and a second common-gate device; a first degenerative element or block provided for the first common-source device; a second degenerative element or block provided for the second common-source device; a first positive feedback block or element that connects a first gate of the first common-source device with a second drain of the second common-source device; and a second positive feedback block or element that connects a second gate of the second common-source device with a first drain of the first common-source device.
摘要翻译：提供了用于功率放大器的共源共栅晶体管的正和负反馈的系统和方法。所述系统和方法可以包括包括第一共源器件和第一共栅极器件的第一共源共栅级; 第二共源共栅级，包括第二共源装置和第二共栅装置; 为第一共源装置提供的第一退化元件或块; 为第二共源装置提供的第二退化元件或块; 将所述第一共源装置的第一栅极与所述第二共源装置的第二漏极连接的第一正反馈块或元件; 以及将第二共源装置的第二栅极与第一共源装置的第一漏极连接的第二正反馈块或元件。

4. 发明授权

US07944296B1 Low power mode amplification with a transformer output matching and a virtual ground 有权
标题翻译：低功耗模式放大，具有变压器输出匹配和虚拟接地
公开(公告)号：US07944296B1
公开(公告)日：2011-05-17
申请号：US12722990
申请日：2010-03-12
申请人： Chang-Ho Lee , Kyu Hwan An , Yunseo Park
发明人： Chang-Ho Lee , Kyu Hwan An , Yunseo Park
IPC分类号： H03F1/00
CPC分类号： H03F1/0277 , H03F1/565 , H03F2200/312 , H03F2200/537 , H03F2200/541
摘要： A power amplifier system in accordance with an example embodiment can utilize a transformer having a primary winding inductively coupled to a secondary winding, where the primary winding includes a center tap between a first port and a second port, where the secondary winding includes a third port and a fourth port, where the primary winding receives a first output from a first amplifier, where the center tap receives a second output from a second amplifier. The system can also include a first capacitor connected to the center tap and the first port; a second capacitor connected to the center tap and the second port; a first switch in electrical connection with the center tap, where the first switch can connect the center tap to a ground port; a second switch connected to the fourth port, where the second switch can connect the fourth port to a common node in electrical connection with the center tap; and a third capacitor connected between the common node and an output node connected to the third port from a system output can be obtained.
摘要翻译：根据示例性实施例的功率放大器系统可以利用具有感应耦合到次级绕组的初级绕组的变压器，其中初级绕组包括在第一端口和第二端口之间的中心抽头，其中次级绕组包括第三端口以及第四端口，其中初级绕组从第一放大器接收第一输出，其中中心抽头接收来自第二放大器的第二输出。该系统还可以包括连接到中心抽头和第一端口的第一电容器; 连接到中心抽头和第二端口的第二电容器; 与中心抽头电连接的第一开关，其中第一开关可将中心抽头连接到接地端口; 连接到第四端口的第二开关，其中第二开关可以将第四端口连接到与中心抽头电连接的公共节点; 并且可以获得连接在公共节点与从系统输出连接到第三端口的输出节点之间的第三电容器。

5. 发明申请

US20110221528A1 BALUN FUNCTION WITH REFERENCE ENHANCEMENT IN SINGLE-ENDED PORT 有权
标题翻译：具有单端口参考增强的BALUN功能
公开(公告)号：US20110221528A1
公开(公告)日：2011-09-15
申请号：US12722966
申请日：2010-03-12
申请人： Kyu Hwan An , Yunseo Park , Chang-Ho Lee
发明人： Kyu Hwan An , Yunseo Park , Chang-Ho Lee
IPC分类号： H03F1/56
CPC分类号： H03F3/45475 , H03F2200/09 , H03F2203/45731
摘要： Systems and methods are provided for a transformer or balun function with reference enhancement. The systems and methods may include a transformer having at least a primary winding and a secondary winding for reference enhancement, where the primary winding includes a center tap, where the secondary winding includes a first port and a second port, and an electrical connection that electrically connects the second port and the center tap of the primary winding to provide a common reference for the primary winding and the secondary winding. The primary winding of the transformer may be configured to receive differential outputs of a power amplifier, and the transformer may be configured to convert the differential outputs from a balanced signal to an unbalanced signal available at the first port of the secondary winding.
摘要翻译：为变压器或平衡 - 不平衡变换器提供了参考增强的系统和方法。系统和方法可以包括具有至少初级绕组和用于参考增强的次级绕组的变压器，其中初级绕组包括中心抽头，其中次级绕组包括第一端口和第二端口，以及电连接，其电气连接初级绕组的第二端口和中心抽头以为初级绕组和次级绕组提供公共参考。变压器的初级绕组可以被配置为接收功率放大器的差分输出，并且变压器可以被配置为将来自平衡信号的差分输出转换成在次级绕组的第一端口处可用的不平衡信号。

6. 发明申请

US20110221522A1 SHARING OF INDUCTOR INTERSTAGE MATCHING IN PARALLEL AMPLIFICATION SYSTEM FOR WIRELESS COMMUNICATION SYSTEMS 有权
标题翻译：无线通信系统并联放大系统中电感器间隔匹配的共享
公开(公告)号：US20110221522A1
公开(公告)日：2011-09-15
申请号：US12722993
申请日：2010-03-12
申请人： Kyu Hwan An , Yunseo Park , Wangmyong Woo , Chang-Ho Lee
发明人： Kyu Hwan An , Yunseo Park , Wangmyong Woo , Chang-Ho Lee
IPC分类号： H03F1/00
CPC分类号： H03F3/24 , H03F1/56 , H03F3/195 , H03F3/211 , H03F3/45179 , H03F2200/387 , H03F2200/411 , H03F2200/534 , H03F2200/541 , H03F2203/21139 , H03F2203/21142
摘要： A power amplifier system can include a plurality of driver amplifiers and a plurality of power amplifiers, where each driver amplifier and power amplifier includes at least one respective input port and at least one respective output port. The power amplifier system also includes a shared inductive device that provides common interstage matching between the respective output ports of the plurality of driver amplifiers and the respective input ports of the plurality of power amplifiers. The shared inductive device can be a shared inductor or a shared transformer.
摘要翻译：功率放大器系统可以包括多个驱动器放大器和多个功率放大器，其中每个驱动器放大器和功率放大器包括至少一个相应的输入端口和至少一个相应的输出端口。功率放大器系统还包括共享电感装置，其在多个驱动器放大器的相应输出端口和多个功率放大器的相应输入端口之间提供共同的级间匹配。共享电感器件可以是共享电感器或共享变压器。

7. 发明授权

US08044540B2 Systems and methods for a SPDT switch or SPMT switch with transformer 有权
标题翻译：具有变压器的SPDT开关或SPMT开关的系统和方法
公开(公告)号：US08044540B2
公开(公告)日：2011-10-25
申请号：US12565137
申请日：2009-09-23
申请人： Dong Ho Lee , Minsik Ahn , Kyu Hwan An , Wangmyong Woo , Chang-Ho Lee , Joy Laskar
发明人： Dong Ho Lee , Minsik Ahn , Kyu Hwan An , Wangmyong Woo , Chang-Ho Lee , Joy Laskar
IPC分类号： H01H31/10
CPC分类号： H03K17/693 , Y10T307/76
摘要： A SPDT or SPMT switch may include a transformer having a primary winding and a secondary winding, where a first end of the secondary winding is connected to a single pole port, where a first end of the primary winding is connected to a first throw port; a first switch having a first end and a second end, where the first end is connected to ground; and a second switch, where a second end of the secondary winding is connected to both a second end of the first switch and a first end of the second switch, where a second end of the second switch is connected to a second throw port, where the first switch controls a first communication path between the single pole port and the first throw port, and where the second switch controls a second communication path between the second throw port and the single pole port.
摘要翻译： SPDT或SPMT开关可以包括具有初级绕组和次级绕组的变压器，其中次级绕组的第一端连接到单极端口，其中初级绕组的第一端连接到第一端口; 第一开关，其具有第一端和第二端，其中第一端连接到地; 以及第二开关，其中所述次级绕组的第二端连接到所述第一开关的第二端和所述第二开关的第一端，其中所述第二开关的第二端连接到第二突出端口，其中第一开关控制单极端口和第一端口之间的第一通信路径，并且其中第二开关控制第二端口和单极端口之间的第二通信路径。

8. 发明授权

US07880547B2 Systems and methods for power amplifiers with voltage boosting multi-primary transformers 有权
标题翻译：具有升压型多原子变压器的功率放大器的系统和方法
公开(公告)号：US07880547B2
公开(公告)日：2011-02-01
申请号：US12711480
申请日：2010-02-24
申请人： Chang-Ho Lee , Kyu Hwan An , Ki Seok Yang , Jaejoon Chang , Wangmyong Woo , Younsuk Kim , Haksun Kim , Ockgoo Lee , Dong Ho Lee , Hyungwook Kim , Joy Laskar
发明人： Chang-Ho Lee , Kyu Hwan An , Ki Seok Yang , Jaejoon Chang , Wangmyong Woo , Younsuk Kim , Haksun Kim , Ockgoo Lee , Dong Ho Lee , Hyungwook Kim , Joy Laskar
IPC分类号： H03F3/68
CPC分类号： H03F3/211 , H01F2017/0046 , H03F1/3211 , H03F3/195 , H03F3/45183 , H03F3/45475 , H03F3/604 , H03F2200/451 , H03F2200/537 , H03F2200/541 , H03F2203/21139 , H03F2203/21157 , H03F2203/45704 , H03F2203/45706 , H03F2203/45731 , Y10T29/49071
摘要： Systems and methods may be provided for a power amplifier system. The systems and methods may include a plurality of power amplifiers, where each power amplifier includes at least one output port. The systems and methods may also include a plurality of primary windings each having a first number of turns, where each primary winding is connected to at least one output port of the plurality of power amplifiers, and a single secondary winding inductively coupled to the plurality of primary windings, where the secondary winding includes a second number of turns greater than the first number of turns.
摘要翻译：可以为功率放大器系统提供系统和方法。系统和方法可以包括多个功率放大器，其中每个功率放大器包括至少一个输出端口。系统和方法还可以包括多个初级绕组，每个初级绕组具有第一圈数，其中每个初级绕组连接到多个功率放大器的至少一个输出端口，以及感应耦合到多个初级绕组，其中次级绕组包括大于第一匝数的第二匝数。

9. 发明授权

US07675365B2 Systems and methods for power amplifiers with voltage boosting multi-primary transformers 有权
标题翻译：具有升压型多原子变压器的功率放大器的系统和方法
公开(公告)号：US07675365B2
公开(公告)日：2010-03-09
申请号：US11964646
申请日：2007-12-26
申请人： Chang-Ho Lee , Kyu Hwan An , Ki Seok Yang , Jaejoon Chang , Wangmyong Woo , Younsuk Kim , Haksun Kim , Ockgoo Lee , Dong Ho Lee , Hyungwook Kim , Joy Laskar
发明人： Chang-Ho Lee , Kyu Hwan An , Ki Seok Yang , Jaejoon Chang , Wangmyong Woo , Younsuk Kim , Haksun Kim , Ockgoo Lee , Dong Ho Lee , Hyungwook Kim , Joy Laskar
IPC分类号： H03F3/68 , H03F1/00
CPC分类号： H03F3/211 , H01F2017/0046 , H03F1/3211 , H03F3/195 , H03F3/45183 , H03F3/45475 , H03F3/604 , H03F2200/451 , H03F2200/537 , H03F2200/541 , H03F2203/21139 , H03F2203/21157 , H03F2203/45704 , H03F2203/45706 , H03F2203/45731 , Y10T29/49071
摘要： Systems and methods may be provided for a power amplifier system. The systems and methods may include a plurality of power amplifiers, where each power amplifier includes at least one output port. The systems and methods may also include a plurality of primary windings each having a first number of turns, where each primary winding is connected to at least one output port of the plurality of power amplifiers, and a single secondary winding inductively coupled to the plurality of primary windings, where the secondary winding includes a second number of turns greater than the first number of turns.
摘要翻译：可以为功率放大器系统提供系统和方法。系统和方法可以包括多个功率放大器，其中每个功率放大器包括至少一个输出端口。系统和方法还可以包括多个初级绕组，每个初级绕组具有第一圈数，其中每个初级绕组连接到多个功率放大器的至少一个输出端口，以及感应耦合到多个初级绕组，其中次级绕组包括大于第一匝数的第二匝数。

10. 发明授权

US07576607B2 Multi-segment primary and multi-turn secondary transformer for power amplifier systems 有权
标题翻译：用于功率放大器系统的多段主，多匝二次变压器
公开(公告)号：US07576607B2
公开(公告)日：2009-08-18
申请号：US11968862
申请日：2008-01-03
申请人： Chang-Ho Lee , Ockgoo Lee , Jeonghu Han , Kyu Hwan An , Hyungwook Kim , Dong Ho Lee , Ki Seok Yang , Haksun Kim , Joy Laskar
发明人： Chang-Ho Lee , Ockgoo Lee , Jeonghu Han , Kyu Hwan An , Hyungwook Kim , Dong Ho Lee , Ki Seok Yang , Haksun Kim , Joy Laskar
IPC分类号： H03F1/00
CPC分类号： H03F1/565 , H01F27/2804 , H03F3/195 , H03F3/211 , H03F3/45475 , H03F2200/387 , H03F2200/391 , H03F2200/399 , H03F2200/402 , H03F2200/451 , H03F2200/541 , H03F2203/45138 , Y10T29/5313
摘要： Embodiments of the invention may provide for power amplifier systems and methods. The systems and methods may include a power amplifier that generates a first differential output signal and a second differential output signal, a primary winding comprised of a plurality of primary segments, where a first end of each primary segment is connected to a first common input port and a second end of each primary segment is connected to a second common input port, where the first common input port is operative to receive the first differential output signal, and where the second common input port is operative to receive the second differential output signal, and a single secondary winding inductively coupled to the plurality of primary segments.
摘要翻译：本发明的实施例可以提供功率放大器系统和方法。系统和方法可以包括产生第一差分输出信号和第二差分输出信号的功率放大器，由多个主要段组成的初级绕组，其中每个主要段的第一端连接到第一公共输入端口并且每个主要段的第二端连接到第二公共输入端口，其中第一公共输入端口用于接收第一差分输出信号，并且其中第二公共输入端口用于接收第二差分输出信号，以及电感耦合到所述多个初级段的单个次级绕组。

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