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81. 发明授权

US07528649B2 Method for designing input circuitry for transistor power amplifier 有权
标题翻译：晶体管功率放大器输入电路设计方法
公开(公告)号：US07528649B2
公开(公告)日：2009-05-05
申请号：US11851418
申请日：2007-09-07
申请人： Colin S. Whelan , Raghu Mallavarpu , Matthew C. Tyhach
发明人： Colin S. Whelan , Raghu Mallavarpu , Matthew C. Tyhach
IPC分类号： G01R19/00
CPC分类号： H03F1/565 , H03F3/1935 , H03F2200/222 , H03F2200/249 , H03F2200/451 , H03H7/38
摘要： A circuit having: an input matching network; a transistor coupled to an output of the input matching network; and wherein the input matching network has a first input impedance when such input matching network is fed with an input signal having a relatively low power level and wherein the input matching network has an input impedance different from the first input impedance when such input matching network is fed with an input signal having a relatively high power level.
摘要翻译：一种具有输入匹配网络的电路; 耦合到所述输入匹配网络的输出的晶体管; 并且其中当所述输入匹配网络馈送具有相对较低功率电平的输入信号时，所述输入匹配网络具有第一输入阻抗，并且其中当所述输入匹配网络为所述输入匹配网络时，所述输入匹配网络具有与所述第一输入阻抗不同的输入阻抗馈送具有相对较高功率电平的输入信号。

82. 发明申请

US20070024376A1 Radio frequency power amplifier module 失效
标题翻译：射频功率放大器模块
公开(公告)号：US20070024376A1
公开(公告)日：2007-02-01
申请号：US11543160
申请日：2006-10-05
申请人： Akira Kuriyama , Masami Ohnishi
发明人： Akira Kuriyama , Masami Ohnishi
IPC分类号： H03F3/191
CPC分类号： H01L23/552 , H01L23/66 , H01L24/48 , H01L2224/05599 , H01L2224/45099 , H01L2224/48091 , H01L2224/48227 , H01L2224/85399 , H01L2924/00014 , H01L2924/01079 , H01L2924/1305 , H01L2924/13091 , H01L2924/19041 , H01L2924/3011 , H01L2924/3025 , H03F1/083 , H03F1/12 , H03F1/22 , H03F1/302 , H03F1/32 , H03F1/52 , H03F3/191 , H03F3/1935 , H03F3/195 , H03F3/602 , H03F2200/114 , H03F2200/18 , H03F2200/222 , H03F2200/318 , H03F2200/366 , H03F2200/387 , H03F2200/411 , H03F2200/423 , H03F2200/451 , H01L2924/00 , H01L2224/45015 , H01L2924/207
摘要： An object of the present invention is to provide a radio frequency power amplifier of multi stage amplifying method that is designed to reduce instability of output power caused by electromagnetic coupling of bias supply terminals and interconnections of each stage to thereby operate stably. Another object of the present invention is to provide a radio frequency power amplifier that is designed to reduce distortion of output power caused by electromagnetic coupling of bias supply terminals and interconnections of each stage to thereby provide high efficiency. The above objects can be achieved by providing a first interconnection connected to a terminal for supplying a voltage for collector driving to a power amplifying transistor, a second interconnection connected to a terminal for supplying a voltage for collector driving to a second transistor controlling a base bias voltage of the above transistor, and one or more ground parts for electromagnetic shield, wherein the first interconnection and the second interconnection are separated by one or more of the ground parts for electromagnetic shield.
摘要翻译：本发明的目的是提供一种多级放大方法的射频功率放大器，其被设计为减少由偏置电源端子的电磁耦合引起的输出功率的不稳定性和各级的互连，从而稳定地运行。本发明的另一个目的是提供一种射频功率放大器，其被设计为减少由偏置电源端子的电磁耦合引起的输出功率的失真和每个级的互连，从而提供高效率。上述目的可以通过提供连接到端子的第一互连件来实现，用于向功率放大晶体管提供用于集电极驱动的电压，第二互连件连接到用于向控制基极偏置的第二晶体管提供集电极驱动的电压的端子上述晶体管的电压以及用于电磁屏蔽的一个或多个接地部分，其中第一互连和第二互连由用于电磁屏蔽的一个或多个接地部分分开。

83. 发明授权

US07135919B2 Power amplifier with switchable load 有权
标题翻译：功率放大器，可切换负载
公开(公告)号：US07135919B2
公开(公告)日：2006-11-14
申请号：US10913051
申请日：2004-08-06
申请人： Pin-fan Chen
发明人： Pin-fan Chen
IPC分类号： H03F1/14
CPC分类号： H03F3/1935 , H03F1/0277 , H03F1/56 , H03F3/604 , H03F3/72 , H03F2200/543
摘要： Power amplifier with switchable load. A first amplifier that includes an output electrode is provided. A second amplifier that includes an output electrode is also provided. A switchable load that receives a control signal selectively presents a first impedance to the first amplifier when the first amplifier is operational, and the second amplifier is not utilized, and presents a second impedance to the second amplifier when the second amplifier is operational, and the first amplifier is not utilized based on the control signal.
摘要翻译：功率放大器，可切换负载。提供了包括输出电极的第一放大器。还提供了包括输出电极的第二放大器。接收控制信号的可切换负载在第一放大器工作时选择性地向第一放大器呈现第一阻抗，并且第二放大器不被使用，并且当第二放大器工作时，向第二放大器呈现第二阻抗，并且基于控制信号不利用第一放大器。

84. 发明申请

US20060189286A1 Multi-band low noise amplifier, multi-band low noise amplifier module, wireless integrated circuit and multi-band RF module 审中-公开
标题翻译：多频段低噪声放大器，多频段低噪声放大器模块，无线集成电路和多频RF模块
公开(公告)号：US20060189286A1
公开(公告)日：2006-08-24
申请号：US11337590
申请日：2006-01-24
申请人： Irei Kyu , Satoshi Tanaka , Koji Maeda , Yukinori Akamine
发明人： Irei Kyu , Satoshi Tanaka , Koji Maeda , Yukinori Akamine
IPC分类号： H04B7/00 , H04B7/08 , H03D5/00 , H04B1/06
CPC分类号： H03F3/1935 , H03F3/19 , H03F3/72 , H03F2200/111 , H03F2200/294 , H03F2200/372 , H04B1/0053 , H04B1/0458
摘要： A multi-band radio module for selectively supplying received signals in a plurality of frequency bands to a low noise amplifier via an input impedance matching circuit by switching over the operation mode of the low noise amplifier is comprised of: a pre-stage amplification unit including a plurality of fundamental amplifiers connected to one another in parallel, the fundamental amplifiers sharing a load impedance connected to a source voltage and a grounded degeneration impedance and having input signal lines commonly connected to an input impedance matching circuit; a post-stage amplifier to which the output signals of the plurality of fundamental amplifiers are commonly inputted; and a bias control unit for selectively turning on the fundamental amplifiers, wherein the input impedance of the low noise amplifier is selectively optimized for the matching circuit depending on the RF band to be received.
摘要翻译：一种用于通过切换低噪声放大器的操作模式通过输入阻抗匹配电路将多个频带中的接收信号选择性地提供给低噪声放大器的多频带无线电模块包括：前级放大单元，包括基本放大器并联连接的多个基本放大器，所述基本放大器共享与源极电压和接地退化阻抗相连的负载阻抗，并且具有共同连接到输入阻抗匹配电路的输入信号线; 共同输入多个基本放大器的输出信号的后级放大器; 以及用于选择性地接通基本放大器的偏置控制单元，其中根据待接收的RF频带，选择性地优化低噪声放大器的输入阻抗，用于匹配电路。

85. 发明授权

US07015761B2 Power amplifier module 有权
标题翻译：功率放大器模块
公开(公告)号：US07015761B2
公开(公告)日：2006-03-21
申请号：US10975431
申请日：2004-10-29
申请人： Hidetoshi Matsumoto , Tomonori Tanoue , Satoshi Tanaka , Kiichi Yamashita
发明人： Hidetoshi Matsumoto , Tomonori Tanoue , Satoshi Tanaka , Kiichi Yamashita
IPC分类号： H03F3/68 , H03G3/20
CPC分类号： H03F1/56 , H03F1/0222 , H03F1/0261 , H03F1/0266 , H03F1/301 , H03F1/302 , H03F1/306 , H03F3/19 , H03F3/1935 , H03F2200/318 , H03F2200/453
摘要： A CDMA system is provided which includes a power amplifier module have a DC current amplifier. The DC and current amplifier detects a DC component of an input signal and amplifies this detected DC component. The power amplifier module also includes an amplifier which receives the current amplified by the DC current amplifier as an input current. The input signal supplied to the DC current amplifier changes in response to an input power level.
摘要翻译：提供了一种CDMA系统，其包括具有DC电流放大器的功率放大器模块。直流和电流放大器检测输入信号的直流分量，并放大该检测到的直流分量。功率放大器模块还包括放大器，其接收由直流电流放大器放大的电流作为输入电流。提供给DC电流放大器的输入信号响应于输入功率电平而改变。

86. 发明授权

US06999740B2 Semiconductor integrated circuit and radio communication apparatus using same 有权
标题翻译：半导体集成电路和使用其的无线电通信装置
公开(公告)号：US06999740B2
公开(公告)日：2006-02-14
申请号：US10084318
申请日：2002-02-28
申请人： Takahiro Ogihara
发明人： Takahiro Ogihara
IPC分类号： H04B7/00
CPC分类号： H03F3/1935 , H03F1/226 , H03F1/306 , H03F1/32 , H03F2200/24 , H03F2200/27 , H03G1/0088 , H03G3/3036 , H03G3/3052 , H04B1/109
摘要： An amplifier circuit unit including a signal amplifying transistor is provided with a first bypass circuit unit for bypassing a part of an input signal to a ground side according to the strength of the input signal, and a second bypass circuit unit for bypassing a part of the input signal to an output side according to the strength of the input signal, whereby gain attenuation control is effected. Also, the amplifier circuit unit is provided with a control circuit unit for decreasing the drain bias current of the signal amplifying transistor when the first bypass circuit unit bypasses the part of the input signal to the ground side, and interrupting the drain bias current of the signal amplifying transistor when the second bypass circuit unit bypasses the part of the input signal to the output side, whereby control of the drain bias current is effected.
摘要翻译：包括信号放大晶体管的放大器电路单元设置有第一旁路电路单元，用于根据输入信号的强度将输入信号的一部分旁路到地侧;以及第二旁路电路单元，用于旁路一部分根据输入信号的强度将输入信号输出到输出侧，从而实现增益衰减控制。此外，放大器电路单元设置有控制电路单元，用于当第一旁路电路单元将输入信号的一部分旁路到接地侧时，减小信号放大晶体管的漏极偏置电流，并且中断漏极偏置电流信号放大晶体管，当第二旁路电路单元将输入信号的一部分旁路到输出侧时，从而实现漏极偏置电流的控制。

87. 发明申请

US20060028278A1 Radio frequency power amplifier module 失效
公开(公告)号：US20060028278A1
公开(公告)日：2006-02-09
申请号：US11237896
申请日：2005-09-29
申请人： Akira Kuriyama , Masami Ohnishi
发明人： Akira Kuriyama , Masami Ohnishi
IPC分类号： H03F3/191
CPC分类号： H01L23/552 , H01L23/66 , H01L24/48 , H01L2224/05599 , H01L2224/45099 , H01L2224/48091 , H01L2224/48227 , H01L2224/85399 , H01L2924/00014 , H01L2924/01079 , H01L2924/1305 , H01L2924/13091 , H01L2924/19041 , H01L2924/3011 , H01L2924/3025 , H03F1/083 , H03F1/12 , H03F1/22 , H03F1/302 , H03F1/32 , H03F1/52 , H03F3/191 , H03F3/1935 , H03F3/195 , H03F3/602 , H03F2200/114 , H03F2200/18 , H03F2200/222 , H03F2200/318 , H03F2200/366 , H03F2200/387 , H03F2200/411 , H03F2200/423 , H03F2200/451 , H01L2924/00 , H01L2224/45015 , H01L2924/207
摘要： An object of the present invention is to provide a radio frequency power amplifier of multi stage amplifying method that is designed to reduce instability of output power caused by electromagnetic coupling of bias supply terminals and interconnections of each stage to thereby operate stably. Another object of the present invention is to provide a radio frequency power amplifier that is designed to reduce distortion of output power caused by electromagnetic coupling of bias supply terminals and interconnections of each stage to thereby provide high efficiency. The above objects can be achieved by providing a first interconnection connected to a terminal for supplying a voltage for collector driving to a power amplifying transistor, a second interconnection connected to a terminal for supplying a voltage for collector driving to a second transistor controlling a base bias voltage of the above transistor, and one or more ground parts for electromagnetic shield, wherein the first interconnection and the second interconnection are separated by one or more of the ground parts for electromagnetic shield.

88. 发明申请

US20060028269A1 Power amplifier with switchable load 有权
公开(公告)号：US20060028269A1
公开(公告)日：2006-02-09
申请号：US10913051
申请日：2004-08-06
申请人： Pin-fan Chen
发明人： Pin-fan Chen
IPC分类号： H03F1/14
CPC分类号： H03F3/1935 , H03F1/0277 , H03F1/56 , H03F3/604 , H03F3/72 , H03F2200/543
摘要： Power amplifier with switchable load. A first amplifier that includes an output electrode is provided. A second amplifier that includes an output electrode is also provided. A switchable load that receives a control signal selectively presents a first impedance to the first amplifier when the first amplifier is operational, and the second amplifier is not utilized, and presents a second impedance to the second amplifier when the second amplifier is operational, and the first amplifier is not utilized based on the control signal.

89. 发明授权

US06753736B2 Amplifier circuit for AM broadcasting 有权
标题翻译：用于AM广播的放大器电路
公开(公告)号：US06753736B2
公开(公告)日：2004-06-22
申请号：US10606964
申请日：2003-06-27
申请人： Takeshi Ikeda , Hiroshi Miyagi
发明人： Takeshi Ikeda , Hiroshi Miyagi
IPC分类号： H03F304
CPC分类号： H03F3/195 , H03F1/223 , H03F1/26 , H03F3/193 , H03F3/1935 , H03F2200/324 , H03F2200/372 , H03F2200/541
摘要： An amplifier circuit for AM broadcasting for amplifying an inputted AM broadcast signal by an FET and outputting it. The amplifier circuit comprises FETs for signal amplification which are P-channel MOSFETs (4, 5) of relatively small flicker noise. While suppressing the flicker noise to a lowest possible level, more circuits including the RF amplifier for AM broadcasting can be integrated on one chip, thereby realizing small size and low noise of the circuits.
摘要翻译：一种用于AM广播的放大器电路，用于通过FET放大输入的AM广播信号并将其输出。放大器电路包括用于信号放大的FET，其是具有相对小的闪烁噪声的P沟道MOSFET（4,5）。在将闪烁噪声抑制到最低水平的同时，包括用于AM广播的RF放大器的更多电路可以集成在一个芯片上，从而实现电路的小尺寸和低噪声。

90. 发明申请

US20040066237A1 Amplifier circuit for AM broadcasting 有权
公开(公告)号：US20040066237A1
公开(公告)日：2004-04-08
申请号：US10606964
申请日：2003-06-27
申请人： Niigata Seimitsu Co., Ltd.
发明人： Takeshi Ikeda , Hiroshi Miyagi
IPC分类号： H03F003/68
CPC分类号： H03F3/195 , H03F1/223 , H03F1/26 , H03F3/193 , H03F3/1935 , H03F2200/324 , H03F2200/372 , H03F2200/541
摘要： An amplifier circuit for AM broadcasting for amplifying an inputted AM broadcast signal by an FET and outputting it. The amplifier circuit comprises FETs for signal amplification which are P-channel MOSFETs (4, 5) of relatively small flicker noise. While suppressing the flicker noise to a lowest possible level, more circuits including the RF amplifier for AM broadcasting can be integrated on one chip, thereby realizing small size and low noise of the circuits.

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