公开(公告)号：US20050046477A1

公开(公告)日：2005-03-03

申请号：US10964762

申请日：2004-10-15

Applicant: Toshimitsu Matsuyoshi ,  Kaoru Ishida ,  Seiji Fujiwara

Inventor： Toshimitsu Matsuyoshi ,  Kaoru Ishida ,  Seiji Fujiwara

IPC: H03F1/32 ,  H03F1/26

CPC classification number: H03F1/3247 ,  H03F2200/102

Abstract: A power amplifier capable of compensating for distortion by pre-distortion and achieving a large distortion suppressing effect even if IM3L components and IM3U components occurring at the power amplifier have a large level difference. A power amplifying circuit 117 amplifies an original signal. An envelope detector 119 generates an envelope signal having components identical to envelope components included in the original signal. Based on the original signal a distortion signal generating circuit 112 generates a distortion signal for canceling distortion components occurring while the original signal is amplified by the power amplifying circuit 117. In a power combiner 116, the envelope signal is injected to the original signal, thereby eliminating the asymmetric characteristic of the distortion components. In the power amplifying circuit 117, the distortion signal is injected to the original signal, thereby suppressing the distortion components.

Abstract translation: 功率放大器能够通过预失真来补偿失真，并且即使在功率放大器处出现的IM3L分量和IM3U分量具有较大的电平差，也能实现大的失真抑制效果。 功率放大电路117放大原始信号。 包络检测器119产生具有与包含在原始信号中的包络分量相同的分量的包络信号。 基于原始信号，失真信号发生电路112产生用于消除由功率放大电路117放大原始信号时发生的失真分量的失真信号。在功率合成器116中，将包络信号注入原始信号，从而 消除了失真分量的不对称特性。 在功率放大电路117中，将失真信号注入原始信号，从而抑制失真成分。

公开(公告)号：US20050045989A1

公开(公告)日：2005-03-03

申请号：US10928503

申请日：2004-08-27

Applicant: Tsukasa Fukui ,  Kaoru Ishida

Inventor： Tsukasa Fukui ,  Kaoru Ishida

IPC: H01L21/822 ,  H01L23/522 ,  H01L27/04 ,  H01L27/08 ,  H01Q1/38 ,  H01L21/8222 ,  H01L29/00

CPC classification number: H01L23/5225 ,  H01L23/5227 ,  H01L27/08 ,  H01L2924/0002 ,  H01L2924/3011 ,  H01Q1/38 ,  H01L2924/00

Abstract: A semiconductor device includes: a semiconductor substrate in which a semiconductor element is formed; a multilayer structured wiring layer that is provided on the semiconductor substrate, the wiring layer forming a structure connected with the semiconductor element; a spiral inductor that is formed in at least one layer of the wiring layer; and a connection terminal formed in an uppermost layer of the wiring layer for establishing connection from the wiring layer to an outside such as a printed board. A shielding wiring pattern is disposed between the spiral inductor and the connection terminal, the shielding wiring pattern functioning as an electromagnetic shield for the uppermost layer of the wiring layer. The shielding wiring pattern absorbs a change in electrical field caused by a potential change in the connection terminal, providing a shielding structure which suppresses the superposing of noise and an unnecessary signal onto the spiral inductor from the connection terminal.

Abstract translation: 半导体器件包括：形成半导体元件的半导体衬底; 设置在所述半导体基板上的多层结构化布线层，所述布线层形成与所述半导体元件连接的结构; 形成在所述布线层的至少一层中的螺旋电感器; 以及形成在布线层的最上层的连接端子，用于建立从布线层到诸如印刷板的外部的连接。 屏蔽布线图案设置在螺旋电感器和连接端子之间，屏蔽布线图形用作布线层最上层的电磁屏蔽。 屏蔽布线图案吸收由连接端子的电位变化引起的电场变化，提供屏蔽结构，其抑制了从连接端子向螺旋电感器叠加噪声和不必要的信号。

公开(公告)号：US06813317B2

公开(公告)日：2004-11-02

申请号：US09732913

申请日：2000-12-11

Applicant: Kaoru Ishida ,  Shin'ichi Kugou

Inventor： Kaoru Ishida ,  Shin'ichi Kugou

IPC: H04L2728

CPC classification number: H04L5/06

Abstract: A multicarrier transmitting method that includes inputting n input signals, generating carriers corresponding to the n input signals, modulating the carriers into n modulated signals and generating at least one additional signal having a frequency outside band of the n modulated signals. The method also includes adjusting a level and a phase of the generated additional signal, outputting a multiplexed signal by adding up the n modulated signals and the adjusted additional signal, amplifying the multiplexed signal, and then removing the additional signal. The level and the phase of the additional signal are adjusted such that, after predicting a change of a composite vector of the n modulated signals based on an amplitude and a phase of the n carriers, a composite vector obtained after an adding operation can be lower than that before the adding operation when an absolute value of a prediction result exceeds a predetermined level.

Abstract translation: 一种多载波发送方法，包括：输入n个输入信号，生成与所述n个输入信号对应的载波，将所述载波调制为n个调制信号，并生成至少一个具有所述n个调制信号的频率外部频带的附加信号。 该方法还包括调整所产生的附加信号的电平和相位，通过将n个调制信号和经调整的附加信号相加，放大多路复用信号，然后除去附加信号，输出多路复用信号。 调整附加信号的电平和相位，使得在基于n个载波的幅度和相位预测n个调制信号的合成矢量的变化之后，在加法运算之后获得的复合矢量可以较低 当预测结果的绝对值超过预定水平时，加法运算之前的值。

公开(公告)号：US06734727B2

公开(公告)日：2004-05-11

申请号：US10225222

申请日：2002-08-21

Applicant: Kaoru Ishida ,  Naoki Takachi ,  Yuji Saito

Inventor： Kaoru Ishida ,  Naoki Takachi ,  Yuji Saito

IPC: H03F366

CPC classification number: H03F1/3229 ,  H03F1/3235 ,  H03F2201/3212

Abstract: A feedforward amplifier includes a main amplifier for amplifying an input signal, a control circuit for generating a predetermined pilot signal based on the output of a local oscillator and a frequency divider included in the control circuit, and a coupler for combining the input signal or the amplified signal with the pilot signal to generate a combined signal. A first coupler and a second coupler are provided for extracting any distortion component from the combined signal. A vector adjuster, an error amplifier, and a third coupler are provided for removing the extracted distortion component from the combined signal to generate an output signal. An orthogonal detector is provided for using any one of the pilot signal, or the output of the local oscillator, the frequency divider, and the combination of the vector adjuster, error amplifier, and the third coupler to make an adjustment for removing the distortion component.

Abstract translation: 前馈放大器包括用于放大输入信号的主放大器，用于基于本地振荡器的输出和包括在控制电路中的分频器产生预定导频信号的控制电路，以及用于将输入信号或 放大信号与导频信号产生组合信号。 提供第一耦合器和第二耦合器用于从组合信号中提取任何失真分量。 提供矢量调节器，误差放大器和第三耦合器，用于从组合信号中去除提取的失真分量以产生输出信号。 提供正交检测器，用于使用导频信号，本地振荡器的输出，分频器以及矢量调节器，误差放大器和第三耦合器的组合中的任何一个来进行调整以去除失真分量 。

公开(公告)号：US06545542B2

公开(公告)日：2003-04-08

申请号：US09982882

申请日：2001-10-22

Applicant: Toshimitsu Matsuyoshi ,  Kaoru Ishida ,  Masayuki Miyaji ,  Seiji Fujiwara

Inventor： Toshimitsu Matsuyoshi ,  Kaoru Ishida ,  Masayuki Miyaji ,  Seiji Fujiwara

IPC: H03F304

CPC classification number: H03F1/565 ,  H03F1/3205 ,  H03F3/604 ,  H03F2200/06 ,  H03F2200/09

Abstract: A power amplifier that reduces intermodulation distortion generated by the amplifier while reducing the number of parts is provided. A power amplifier comprises a first balun, to which a combined signal combining two signals of different frequencies is inputted, and which outputs, based on the combined signal, the first and the second signal whose phase are opposite; a first amplifier that outputs the first amplified signal containing the differential frequency component comprising the difference of the frequencies of two signals from the first signal; a second amplifier that outputs the second amplified signal containing the component comprising the difference of the frequencies of two signals from the second signal; and a second balun that outputs the combined signal of the first and the second amplified signals. The component contained in the first and the second amplified signal are inputted via the second and the first amplifier, respectively, to reduce the component.

Abstract translation: 提供了减少放大器产生的互调失真同时减少部件数量的功率放大器。 功率放大器包括第一平衡 - 不平衡变换器，组合了两个不同频率的信号的组合信号，并且基于组合信号输出相位相反的第一和第二信号; 第一放大器，其输出包含来自第一信号的两个信号的频率差的差分频率分量的第一放大信号; 第二放大器，输出包含来自第二信号的两个信号的频率差的分量的第二放大信号; 以及第二平衡 - 不平衡转换器，其输出第一和第二放大信号的组合信号。 分别通过第二放大器和第一放大器输入包含在第一和第二放大信号中的分量以减小分量。

公开(公告)号：US06542021B2

公开(公告)日：2003-04-01

申请号：US09759452

申请日：2001-01-16

Applicant: Hiroshi Isono ,  Kaoru Ishida

Inventor： Hiroshi Isono ,  Kaoru Ishida

IPC: H03K1700

CPC classification number: H03K17/76

Abstract: The invention relates to a high frequency switch used in a communication apparatus or the like, such as a portable terminal. The switch includes a first signal terminal, a first diode, the cathode of which is directly or indirectly connected to the first signal terminal, a bias controlling device having an end which is connected to the anode of the first diode, a second signal terminal directly or indirectly connected to the anode of the first diode, an impedance converting device having an end which is directly or indirectly connected to the first signal terminal, a serial circuit having a high frequency voltage dividing device and a second diode, the serial circuit being connected to the other end of the impedance converting device, and a third signal terminal directly or indirectly connected to the other end of the impedance converting device.

Abstract translation: 本发明涉及用于诸如便携式终端的通信设备等中的高频开关。 开关包括第一信号端子，第一二极管，其阴极直接或间接地连接到第一信号端子，偏置控制装置，其端部连接到第一二极管的阳极，第二信号端子直接 或间接地连接到第一二极管的阳极，具有直接或间接连接到第一信号端子的端部的阻抗转换装置，具有高频分压装置和第二二极管的串联电路，串联电路被连接 到阻抗转换装置的另一端，以及直接或间接连接到阻抗转换装置的另一端的第三信号端。

公开(公告)号：US06169461A

公开(公告)日：2001-01-02

申请号：US09123163

申请日：1998-07-27

Applicant: Toshiaki Andoh ,  Makoto Sakakura ,  Takeshi Miura ,  Hiroaki Kosugi ,  Kaoru Ishida

Inventor： Toshiaki Andoh ,  Makoto Sakakura ,  Takeshi Miura ,  Hiroaki Kosugi ,  Kaoru Ishida

IPC: H03B518

CPC classification number: H03B5/1231 ,  H03B5/1218 ,  H03B5/1243 ,  H03B5/1847 ,  H03B2200/004 ,  H03B2200/0086 ,  H03B2200/0098

Abstract: A high-frequency oscillating circuit that is not degraded by external electromagnetic interference. The high-frequency oscillating circuit includes first and second oscillating transistors wherein the bases are connected together directly or via a capacitor having a sufficiently low impedance at an oscillating frequency, and wherein a differential signal output is obtained between the emitters of the first and second oscillating transistors. Also provided is a resonating circuit formed in a module and a separate negative-resistance-generating circuit formed on an integrated circuit for achieving an oscillator that has a high Q factor and a high C/N ratio.

Abstract translation: 高频振荡电路不受外部电磁干扰的影响。 高频振荡电路包括第一和第二振荡晶体管，其中基极直接或通过振荡频率具有足够低阻抗的电容器连接在一起，并且其中在第一和第二振荡器的发射极之间获得差分信号输出 晶体管。 还提供了一种形成在模块中的谐振电路和形成在用于实现具有高Q因子和高C / N比的振荡器的集成电路上的单独的负电阻产生电路。

公开(公告)号：US6054900A

公开(公告)日：2000-04-25

申请号：US265257

申请日：1999-03-09

Applicant: Kaoru Ishida ,  Hiroaki Kosugi ,  Isao Nasuno ,  Kazuhiko Nakayama

Inventor： Kaoru Ishida ,  Hiroaki Kosugi ,  Isao Nasuno ,  Kazuhiko Nakayama

IPC: H01L23/66 ,  H03F3/193 ,  H03F3/60 ,  H01Q11/12 ,  H03F3/68

CPC classification number: H01L24/49 ,  H01L23/66 ,  H03F3/604 ,  H01L2223/6644 ,  H01L2224/05554 ,  H01L2224/48091 ,  H01L2224/49171 ,  H01L2224/49175 ,  H01L24/48 ,  H01L2924/00014 ,  H01L2924/01004 ,  H01L2924/01005 ,  H01L2924/01006 ,  H01L2924/01013 ,  H01L2924/01033 ,  H01L2924/01074 ,  H01L2924/01082 ,  H01L2924/10329 ,  H01L2924/1306 ,  H01L2924/14 ,  H01L2924/1423

Abstract: A power amplifier MMIC has a first stage amplifier circuit having a transistor and matching circuits provided on input and output sides of the transistor; a plurality of final stage transistors connected in parallel; a first line connected between adjacent gates of the plurality of final stage amplifiers; a second line, connected between adjacent drains of the plurality of final stage amplifiers, for correcting an input signal phase shift caused by the presence of the first line; and an output matching circuit connected to one of connection points between the second line and the drains, and wherein an output of the first stage amplifier circuit is coupled to one gate of a final stage transistor whose drain is not connected to the output matching circuit, and the first stage amplifier circuit and the plurality of final stage transistors are arranged longitudinally alongside each other.

Abstract translation: 功率放大器MMIC具有具有晶体管的第一级放大器电路和设置在晶体管的输入和输出侧的匹配电路; 并联连接的多个末级晶体管; 连接在所述多个最终级放大器的相邻门之间的第一线; 第二线，连接在多个最后级放大器的相邻排水口之间，用于校正由第一线的存在引起的输入信号相移; 以及输出匹配电路，其连接到第二线路和漏极之间的连接点之一，并且其中第一级放大器电路的输出耦合到漏极未连接到输出匹配电路的最终级晶体管的一个栅极， 并且第一级放大器电路和多个最终级晶体管彼此纵向排列。

公开(公告)号：US08599965B2

公开(公告)日：2013-12-03

申请号：US13388495

申请日：2010-04-07

Applicant: Akira Kato ,  Kaoru Ishida

Inventor： Akira Kato ,  Kaoru Ishida

IPC: H03C1/52

CPC classification number: H03F1/30 ,  H03F3/189 ,  H03F3/24 ,  H03F2200/331 ,  H03F2200/336 ,  H03F2200/405 ,  H03F2200/447 ,  H03F2200/451 ,  H03G3/3042 ,  H04B1/0475

Abstract: A transmitter circuit includes a first synthesizer section, and a second synthesizer section which consumes less current than the first synthesizer section. The transmitter circuit performs switching such that the first synthesizer section is operated and the second synthesizer section is powered off in polar modulation, and the second synthesizer section is operated and the first synthesizer section is powered off in quadrature modulation, thereby reducing consumed power. While the first synthesizer section is operating, calibration for an oscillation frequency is performed, and when the operation is stopped, a calibration value is stored. When an operation of the first synthesizer section is restarted, the stored calibration value is corrected by using temperature change, thereby enhancing calibration accuracy and preventing degradation in quality of a transmission signal.

Abstract translation: 发射机电路包括第一合成器部分和与第一合成器部分相比消耗更少电流的第二合成器部分。 发射机电路进行切换，使得第一合成器部分被操作，并且第二合成器部分在极性调制中被断电，并且第二合成器部分被操作，并且第一合成器部分在正交调制中被断电，从而降低了功耗。 当第一合成器部分工作时，执行振荡频率的校准，当操作停止时，存储校准值。 当重新启动第一合成器部分的操作时，通过使用温度变化来校正存储的校准值，从而提高校准精度并防止传输信号的质量劣化。

公开(公告)号：US08532591B2

公开(公告)日：2013-09-10

申请号：US13383256

申请日：2010-06-02

Applicant: Mikihiro Shimada ,  Ryo Kitamura ,  Kaoru Ishida ,  Hiroshi Komori

Inventor： Mikihiro Shimada ,  Ryo Kitamura ,  Kaoru Ishida ,  Hiroshi Komori

IPC: H04B1/02

CPC classification number: H03F1/0222 ,  H03F1/0266 ,  H03F3/24 ,  H03F2200/408 ,  H03G3/004 ,  H03G3/3042 ,  H03G11/00 ,  H04B1/0475

Abstract: A transmission circuit according to the present invention includes: an amplitude signal driving section (220) that generates a control voltage based on an amplitude signal in a high-output mode, and generates a control voltage at a predetermined level and a bias current based on the amplitude signal in a low-output mode; a variable gain adjustment section (114) that adjusts a power level of the phase signal; and a power amplifier (130) which amplitude-modulates the phase signal having the adjusted power level on the basis of the control voltage, in the high-output mode, and to a power supply terminal of which the control voltage is supplied and which amplitude-modulates the phase signal having the adjusted power level on the basis of the bias current, in the low-output mode. In a specific region in a low-output region and close to a high-output region, the variable gain adjustment section (114) adjusts the power level of the phase signal to a predetermined upper-limit level, and the amplitude signal driving section (220) adjusts a gain of the power amplifier (130) to obtain a desired output power level.

Abstract translation: 根据本发明的发送电路包括：振幅信号驱动部（220），其根据高输出模式的振幅信号生成控制电压，并且产生基于预定电平的控制电压和基于 幅度信号处于低输出模式; 调整所述相位信号的功率电平的可变增益调整部（114） 以及功率放大器（130），其在高输出模式下基于控制电压对调整后的功率电平的相位信号进行幅度调制，并且向提供控制电压的电源端子和幅度 在低输出模式下，根据偏置电流调制具有调整功率电平的相位信号。 在低输出区域的特定区域中，接近高输出区域的可变增益调整部114将相位信号的功率电平调整为规定的上限电平，振幅信号驱动部 220）调整功率放大器（130）的增益以获得期望的输出功率电平。