公开(公告)号：US07719364B2

公开(公告)日：2010-05-18

申请号：US12379073

申请日：2009-02-12

申请人： Fumitake Kawanabe ,  Yoichi Okubo ,  Yasuo Sera ,  Manabu Nakamura ,  Toshio Nojima ,  Taizo Ito

发明人： Fumitake Kawanabe ,  Yoichi Okubo ,  Yasuo Sera ,  Manabu Nakamura ,  Toshio Nojima ,  Taizo Ito

IPC分类号： H03F3/04

CPC分类号： H03F3/602 ,  H03F1/32 ,  H03F1/56 ,  H03F2200/222 ,  H03F2200/387 ,  H03F2200/451

摘要： A high frequency power amplifier includes an amplifying device for amplifying an input high frequency signal, a harmonic reflection circuit for reflecting a harmonic outputted from the amplifying device, and a harmonic generating circuit provided at an input terminal of the amplifying device, the harmonic generating circuit including a divider for dividing an input signal of a fundamental wave into two parts, a harmonic generator for generating a second harmonic from one part of the fundamental wave signal, and a combiner for combining the second harmonic generated from the harmonic generator with the other part of the fundamental wave signal to offer a combined signal to the amplifying device, wherein the harmonic reflection circuit reflects the second harmonic.

摘要翻译： 高频功率放大器包括用于放大输入高频信号的放大装置，用于反射从放大装置输出的谐波的谐波反射电路，以及设置在放大装置的输入端的谐波发生电路，谐波发生电路 包括用于将基波的输入信号分成两部分的分频器，用于从基波信号的一部分产生二次谐波的谐波发生器和用于将从谐波发生器产生的二次谐波与其他部分组合的组合器 的基波信号，以向放大装置提供组合信号，其中谐波反射电路反映第二谐波。

公开(公告)号：US20090201089A1

公开(公告)日：2009-08-13

申请号：US12379073

申请日：2009-02-12

申请人： Fumitake Kawanabe ,  Yoichi Okubo ,  Yasuo Sera ,  Manabu Nakamura ,  Toshio Nojima ,  Taizo Ito

发明人： Fumitake Kawanabe ,  Yoichi Okubo ,  Yasuo Sera ,  Manabu Nakamura ,  Toshio Nojima ,  Taizo Ito

IPC分类号： H03F3/16

CPC分类号： H03F3/602 ,  H03F1/32 ,  H03F1/56 ,  H03F2200/222 ,  H03F2200/387 ,  H03F2200/451

摘要： A high frequency power amplifier includes an amplifying device for amplifying an input high frequency signal, a harmonic reflection circuit for reflecting a harmonic outputted from the amplifying device, and a harmonic generating circuit provided at an input terminal of the amplifying device, the harmonic generating circuit including a divider for dividing an input signal of a fundamental wave into two parts, a harmonic generator for generating a second harmonic from one part of the fundamental wave signal, and a combiner for combining the second harmonic generated from the harmonic generator with the other part of the fundamental wave signal to offer a combined signal to the amplifying device, wherein the harmonic reflection circuit reflects the second harmonic.

摘要翻译： 高频功率放大器包括用于放大输入高频信号的放大装置，用于反射从放大装置输出的谐波的谐波反射电路，以及设置在放大装置的输入端的谐波发生电路，谐波发生电路 包括用于将基波的输入信号分成两部分的分频器，用于从基波信号的一部分产生二次谐波的谐波发生器和用于将从谐波发生器产生的二次谐波与其他部分组合的组合器 的基波信号，以向放大装置提供组合信号，其中谐波反射电路反映第二谐波。

公开(公告)号：US07227906B2

公开(公告)日：2007-06-05

申请号：US10315993

申请日：2002-12-11

申请人： Atsushi Fukuda ,  Yasunori Suzuki ,  Noriyoshi Terada ,  Toshio Nojima

发明人： Atsushi Fukuda ,  Yasunori Suzuki ,  Noriyoshi Terada ,  Toshio Nojima

IPC分类号： H04L1/02

CPC分类号： H04B7/12 ,  H04B7/0613 ,  H04B7/0842 ,  H04L5/06

摘要： Different carrier frequencies are chosen for plural transmitters of a transmitting device and signals are transmitted at frequency bands overlapping each other. In the receiving device weighting coefficients are provided in input-to-output paths of an interchannel interference canceller 21 so that the cross correlation between output signals from the interchannel interference canceller is minimized.

摘要翻译： 为发射装置的多个发射机选择不同的载波频率，并且以彼此重叠的频带发射信号。 在接收设备中，加权系数被提供在通道间干扰消除器21的输入到输出路径中，使得来自通道间干扰消除器的输出信号之间的互相关被最小化。

公开(公告)号：US06392483B2

公开(公告)日：2002-05-21

申请号：US09854476

申请日：2001-05-15

申请人： Yasunori Suzuki ,  Toshio Nojima

发明人： Yasunori Suzuki ,  Toshio Nojima

IPC分类号： H03F100

CPC分类号： H03F1/3252 ,  H03F1/3235 ,  H03F2201/3212 ,  H03F2201/3218

摘要： In a feed-forward amplifier a signal power dynamic range compressing circuit for compressing the power dynamic range of the input signal to the feed-forward amplifier is provided in a distortion detecting loop at the input side of a main amplifier, and the output backoff of the main amplifier is reduced to thereby achieve high-efficiency amplification of the feed-forward amplifier.

摘要翻译： 在前馈放大器中，在主放大器的输入侧的失真检测环路中提供用于将输入信号的功率动态范围压缩到前馈放大器的信号功率动态范围压缩电路，并且输出退避 主放大器减少，从而实现前馈放大器的高效率放大。

公开(公告)号：US20090051438A1

公开(公告)日：2009-02-26

申请号：US11920629

申请日：2006-05-17

申请人： Yoichi Okubo ,  Toshio Nojima ,  Yasuhiro Takeda ,  Manabu Nakamura ,  Masaru Adachi

发明人： Yoichi Okubo ,  Toshio Nojima ,  Yasuhiro Takeda ,  Manabu Nakamura ,  Masaru Adachi

IPC分类号： H03F1/07 ,  H03F1/56

CPC分类号： H03F1/0288 ,  H03F1/56 ,  H03F3/602 ,  H03F2200/423

摘要： The performance of an amplifying system is improved by achieving adequate matching. The amplifying system for amplifying signals includes distributing means 1 that distribute a signal, a carrier amplifier 2 that amplifies the distributed first signal in Class AB, a peak amplifier 4 that amplifies the distributed second signal in Class B or Class C, a first transmission line having a given electric length and being connected to an output of the carrier amplifier, a second transmission line having a given electric length and being connected to an output of the peak amplifier, and a combining end 18 for combining an output of the first transmission line and an output of the second transmission line. An impedance of the combining end is differentiated from a parallel impedance of load impedances of the carrier amplifier and the peak amplifier at the maximum power converted respectively by the first transmission line and the second transmission line, or is set as a parallel impedance in which the load impedances of the carrier amplifier and the peak amplifier at the maximum power are changed.

摘要翻译： 通过实现充分匹配，可以提高放大系统的性能。 用于放大信号的放大系统包括分配信号的分配装置1，放大AB类中分布的第一信号的载波放大器2，放大B类或C类中分布的第二信号的峰值放大器4，第一传输线 具有给定的电长度并连接到载波放大器的输出，具有给定电长度并连接到峰值放大器的输出的第二传输线，以及组合端18，用于组合第一传输线的输出 和第二传输线的输出。 组合端的阻抗与通过第一传输线和第二传输线分别转换的最大功率的载波放大器和峰值放大器的负载阻抗的并联阻抗不同，或者被设置为并联阻抗，其中 载波放大器和最大功率峰值放大器的负载阻抗发生变化。

公开(公告)号：US5327096A

公开(公告)日：1994-07-05

申请号：US16244

申请日：1993-02-11

申请人： Hironori Sakamoto ,  Akira Ito ,  Toshio Nojima

发明人： Hironori Sakamoto ,  Akira Ito ,  Toshio Nojima

IPC分类号： H03G5/16 ,  H03F1/30 ,  H03F1/32 ,  H03F1/38 ,  H03G1/04 ,  H03H7/25 ,  H03F1/00

CPC分类号： H03F1/3229 ,  H03F2201/3212

摘要： A control circuit for an automatically controlled feed forward nonlinear distortion compensation amplifier. The control circuit controls a distortion detection loop and a distortion removal loop. The distortion detection loop is a loop for feeding forward input to a main amplifier into a first directional coupler. The distortion removal loop is a loop for feeding forward distortion elements into a second directional coupler. The main amplifier is preceded by a variable attenuator and a variable phase shifter. A variable attenuator and a variable phase shifter are also located in a feed forward path to the second directional coupler. The control circuit controls the variable attenuator and the variable phase shifter preceding the main amplifier for detecting the distortion elements. The control circuit controls the variable attenuator and the variable phase shifter located in the feed forward path to the second directional coupler for removing the distortion elements. A temperature compensation signal and an adjustment signal are added to a control signal by each adder provided at the output stage of the control circuit.

摘要翻译： 一种用于自动控制前馈非线性失真补偿放大器的控制电路。 控制电路控制失真检测环路和失真消除环路。 失真检测环路是用于将主放大器的正向输入馈送到第一定向耦合器的环路。 失真去除环路是用于将前向失真元件馈送到第二定向耦合器的环路。 主放大器之前有可变衰减器和可变移相器。 可变衰减器和可变移相器也位于到第二定向耦合器的前馈路径中。 控制电路控制主放大器之前的可变衰减器和可变移相器，用于检测失真元件。 控制电路控制可变衰减器和位于到第二定向耦合器的前馈路径中的可变移相器以去除失真元件。 通过设置在控制电路的输出级的每个加法器将温度补偿信号和调整信号加到控制信号上。

公开(公告)号：US5146178A

公开(公告)日：1992-09-08

申请号：US759565

申请日：1991-09-13

申请人： Toshio Nojima ,  Sadayuki Nishiki

发明人： Toshio Nojima ,  Sadayuki Nishiki

IPC分类号： H03F3/193 ,  H03F3/21 ,  H03F3/217 ,  H03F3/60

CPC分类号： H03F3/2176 ,  H03F3/2171

摘要： An impedance matched class-F high frequency amplifier includes an input matching circuit receiving high frequency signals connected to the gate of the FET. The drain of the FET is connected to an output matching circuit which matches the fundamental frequency and the second harmonic frequency, and the output of the output matching circuit is connected to an even harmonic terminating circuit. The stray reactance componance at the output impedance of the FET is offset by the output matching circuit, and therefore the even harmonics terminating circuit can more accurately terminate the second harmonic frequencies.

摘要翻译： 阻抗匹配的F类高频放大器包括输入匹配电路，其接收连接到FET的栅极的高频信号。 FET的漏极连接到匹配基频和二次谐波频率的输出匹配电路，并且输出匹配电路的输出连接到均衡谐波终端电路。 FET的输出阻抗上的杂散电抗分量由输出匹配电路偏移，因此偶次谐波终端电路可以更准确地终止二次谐波频率。

公开(公告)号：US4776032A

公开(公告)日：1988-10-04

申请号：US940134

申请日：1986-12-10

申请人： Hitoshi Odate ,  Hisao Takahashi ,  Toshio Suzuki ,  Toshio Nojima ,  Sadayuki Nishiki ,  Teruya Fujii

发明人： Hitoshi Odate ,  Hisao Takahashi ,  Toshio Suzuki ,  Toshio Nojima ,  Sadayuki Nishiki ,  Teruya Fujii

IPC分类号： H04B7/155 ,  H04B7/15 ,  H04B7/02

CPC分类号： H04B7/15535 ,  H04B1/525 ,  H04B7/15578

摘要： The system for measuring the spillover signal from a transmitter to a receiver in a same frequency repeater or a booster has a frequency conversion device which slightly offsets the transmission frequency from the reception frequency, and a signal detector which measures the offset frequency component in the reception signal. The offset frequency is around 100 Hz, which is higher than the fading frequency, and low enough not to affect the operation of receivers. The measured spillover level is used to control the gain of the repeater, and/or to cancel the spillover signal, so that the repeater has the maximum gain without suffering from oscillation.

摘要翻译： 用于测量来自相同频率转发器或升压器中的发射机到接收机的溢出信号的系统具有使发送频率与接收频率稍微偏移的频率转换装置，以及测量接收中的偏移频率分量的信号检测器 信号。 偏移频率约为100Hz，高于衰落频率，足够低，不影响接收机的操作。 测量的溢出电平用于控制中继器的增益和/或消除溢出信号，使得中继器具有最大增益而不会发生振荡。

公开(公告)号：US4772856A

公开(公告)日：1988-09-20

申请号：US72207

申请日：1987-07-10

申请人： Toshio Nojima ,  Sadayuki Nishiki

发明人： Toshio Nojima ,  Sadayuki Nishiki

IPC分类号： H03F1/02 ,  H03F3/16 ,  H03F3/20 ,  H03F3/21 ,  H03F3/60 ,  H03F3/217

CPC分类号： H03F3/604 ,  H03F3/211

摘要： An input signal is divided equally by a divider and the equally divided outputs are applied to first and second amplifying means, respectively. A filter means, which rejects the fundamental wave component of the input signal but passes therethrough its harmonic component, is connected between the first and second amplifying means. The outputs of the first and second amplifying means are respectively connected to first and second select circuits which select the fundamental wave components of the input signal. The outputs from the first and second circuits are combined in phase with each other, by a combiner, into a composite signal.

摘要翻译： 输入信号被分频器均等地分配，并且等分的输出分别被施加到第一和第二放大装置。 滤波器装置连接在第一和第二放大装置之间，该滤波器装置拒绝输入信号的基波分量但是通过其谐波分量。 第一和第二放大装置的输出分别连接到选择输入信号的基波分量的第一和第二选择电路。 来自第一和第二电路的输出由组合器彼此相位组合成复合信号。

公开(公告)号：US07714648B2

公开(公告)日：2010-05-11

申请号：US11920629

申请日：2006-05-17

申请人： Yoichi Okubo ,  Toshio Nojima ,  Yasuhiro Takeda ,  Manabu Nakamura ,  Masaru Adachi

发明人： Yoichi Okubo ,  Toshio Nojima ,  Yasuhiro Takeda ,  Manabu Nakamura ,  Masaru Adachi

IPC分类号： H03F3/68

CPC分类号： H03F1/0288 ,  H03F1/56 ,  H03F3/602 ,  H03F2200/423

摘要： The performance of an amplifying system is improved by achieving adequate matching. The amplifying system for amplifying signals includes distributing means 1 that distribute a signal, a carrier amplifier 2 that amplifies the distributed first signal in Class AB, a peak amplifier 4 that amplifies the distributed second signal in Class B or Class C, a first transmission line having a given electric length and being connected to an output of the carrier amplifier, a second transmission line having a given electric length and being connected to an output of the peak amplifier, and a combining end 18 for combining an output of the first transmission line and an output of the second transmission line. An impedance of the combining end is differentiated from a parallel impedance of load impedances of the carrier amplifier and the peak amplifier at the maximum power converted respectively by the first transmission line and the second transmission line, or is set as a parallel impedance in which the load impedances of the carrier amplifier and the peak amplifier at the maximum power are changed.

摘要翻译： 通过实现充分匹配，可以提高放大系统的性能。 用于放大信号的放大系统包括分配信号的分配装置1，放大AB类中分布的第一信号的载波放大器2，放大B类或C类中分布的第二信号的峰值放大器4，第一传输线 具有给定的电长度并连接到载波放大器的输出，具有给定电长度并连接到峰值放大器的输出的第二传输线，以及组合端18，用于组合第一传输线的输出 和第二传输线的输出。 组合端的阻抗与通过第一传输线和第二传输线分别转换的最大功率的载波放大器和峰值放大器的负载阻抗的并联阻抗不同，或者被设置为并联阻抗，其中 载波放大器和最大功率峰值放大器的负载阻抗发生变化。