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1. 发明授权

US08836315B2 Resistance signal generating circuit with n temperature characteristic adjusting elements 有权
标题翻译：具有n个温度特性调节元件的电阻信号发生电路
公开(公告)号：US08836315B2
公开(公告)日：2014-09-16
申请号：US13423794
申请日：2012-03-19
申请人： Yuji Satoh , Shouhei Kousai , Hiroyuki Kobayashi
发明人： Yuji Satoh , Shouhei Kousai , Hiroyuki Kobayashi
IPC分类号： G05F3/16 , G05F3/20 , G05F3/30
CPC分类号： G05F3/30
摘要： According to one embodiment, a reference signal generating circuit includes a first nonlinear element that generates a first reference voltage, a second nonlinear element that generates a second reference voltage, a current controlling circuit that controls a current flowing to the first nonlinear element and a current flowing to the second nonlinear element based on an output voltage of the current controlling circuit itself, and N temperature characteristic adjusting elements (N is an integer of 2 or larger) that individually adjust the temperature characteristics of the output voltage of the current controlling circuit.
摘要翻译：根据一个实施例，参考信号发生电路包括产生第一参考电压的第一非线性元件，产生第二参考电压的第二非线性元件，控制流向第一非线性元件的电流的电流控制电路和电流基于电流控制电路本身的输出电压流动到第二非线性元件，以及分别调节电流控制电路的输出电压的温度特性的N个温度特性调整元件（N是2以上的整数）。

2. 发明申请

US20130057246A1 REFERENCE SIGNAL GENERATING CIRCUIT 有权
标题翻译：参考信号发生电路
公开(公告)号：US20130057246A1
公开(公告)日：2013-03-07
申请号：US13423794
申请日：2012-03-19
申请人： Yuji Satoh , Shouhei Kousai , Hiroyuki Kobayashi
发明人： Yuji Satoh , Shouhei Kousai , Hiroyuki Kobayashi
IPC分类号： G05F3/16
CPC分类号： G05F3/30
摘要： According to one embodiment, a reference signal generating circuit includes a first nonlinear element that generates a first reference voltage, a second nonlinear element that generates a second reference voltage, a current controlling circuit that controls a current flowing to the first nonlinear element and a current flowing to the second nonlinear element based on an output voltage of the current controlling circuit itself, and N temperature characteristic adjusting elements (N is an integer of 2 or larger) that individually adjust the temperature characteristics of the output voltage of the current controlling circuit.
摘要翻译：根据一个实施例，参考信号发生电路包括产生第一参考电压的第一非线性元件，产生第二参考电压的第二非线性元件，控制流向第一非线性元件的电流的电流控制电路和电流基于电流控制电路本身的输出电压流动到第二非线性元件，以及分别调节电流控制电路的输出电压的温度特性的N个温度特性调整元件（N是2以上的整数）。

3. 发明申请

US20070247248A1 CONTROLLER FOR OSCILLATOR 有权
标题翻译：振荡器控制器
公开(公告)号：US20070247248A1
公开(公告)日：2007-10-25
申请号：US11735559
申请日：2007-04-16
申请人： Hiroyuki Kobayashi , Shouhei Kousai
发明人： Hiroyuki Kobayashi , Shouhei Kousai
IPC分类号： H03B5/08
CPC分类号： H03D13/004 , H03L7/087 , H03L7/099 , H03L7/0995 , H03L7/10 , H03L7/193 , H03L7/1976 , H03L2207/06
摘要： An oscillator controller, has a phase frequency detector that compares a reference signal and a frequency-divided signal and outputs a phase difference signal; a charge pump that outputs a phase error signal according to the phase difference signal output from said phase frequency detector; a loop filter that filters the phase error signal output from said charge pump and outputs an oscillation frequency controlling voltage; a voltage-controlled oscillator that has an LC resonator having a coil, a variable capacitor connected to the opposite ends of the coil at the opposite ends thereof, and a capacitor connected in series with a switch between the opposite ends of said variable capacitor, the oscillation frequency of the voltage-controlled oscillator being controlled through adjustment of the capacitance value of said variable capacitor by said oscillation frequency controlling voltage; a frequency divider that divides the frequency of the output of said voltage-controlled oscillator and outputs said frequency-divided signal; a first counter that counts the number of waves of said reference signal to a desired number and outputs a first flag signal; a second counter that counts the number of waves of said frequency-divided signal to said desired number and outputs a second flag signal; a first comparator that compares said first flag signal and said second flag signal and outputs a frequency comparison signal; and a control circuit that controls said voltage-controlled oscillator, said first counter, said second counter and said frequency divider by outputting signals thereto.
摘要翻译：振荡器控制器具有比较参考信号和分频信号的相位频率检测器，并输出相位差信号; 电荷泵，其根据从所述相位频率检测器输出的相位差信号输出相位误差信号; 环路滤波器，其对从所述电荷泵输出的相位误差信号进行滤波并输出振荡频率控制电压; 具有LC谐振器的压控振荡器，具有线圈，在其相对端连接到线圈的相对端的可变电容器和与所述可变电容器的相对端之间的开关串联连接的电容器，通过所述振荡频率控制电压调节所述可变电容器的电容值来控制压控振荡器的振荡频率; 分频器，分频所述压控振荡器的输出频率，并输出所述分频信号; 第一计数器，用于将所述参考信号的波数量计算到所需数量，并输出第一标志信号; 第二计数器，对所述分频信号的波数进行计数，并输出第二标志信号; 第一比较器，比较所述第一标志信号和所述第二标志信号，并输出频率比较信号; 以及通过向其输出信号来控制所述压控振荡器，所述第一计数器，所述第二计数器和所述分频器的控制电路。

4. 发明授权

US07605662B2 Oscillator controller incorporating a voltage-controlled oscillator that outputs an oscillation signal at a desired oscillation frequency 有权
标题翻译：振荡器控制器包含一个压控振荡器，以便以期望的振荡频率输出振荡信号
公开(公告)号：US07605662B2
公开(公告)日：2009-10-20
申请号：US11735559
申请日：2007-04-16
申请人： Hiroyuki Kobayashi , Shouhei Kousai
发明人： Hiroyuki Kobayashi , Shouhei Kousai
IPC分类号： H03L7/00
CPC分类号： H03D13/004 , H03L7/087 , H03L7/099 , H03L7/0995 , H03L7/10 , H03L7/193 , H03L7/1976 , H03L2207/06
摘要： An oscillator controller has a phase frequency detector that compares a reference signal and a frequency-divided signal and outputs a phase difference signal; a charge pump; a loop filter that filters the phase error signal output from the charge pump and outputs an oscillation frequency controlling voltage; a voltage-controlled oscillator; a first counter that counts the number of waves of the reference signal to a desired number and outputs a first flag signal; a second counter that counts the number of waves of the frequency-divided signal to the desired number and outputs a second flag signal; a first comparator that compares the first flag signal and the second flag signal and outputs a frequency comparison signal; and a control circuit that controls the voltage-controlled oscillator, the first counter, the second counter and the frequency divider by outputting signals thereto.
摘要翻译：振荡器控制器具有比较参考信号和分频信号的相位频率检测器，并输出相位差信号; 电荷泵; 环路滤波器，滤除从电荷泵输出的相位误差信号，并输出振荡频率控制电压; 压控振荡器; 第一计数器，将参考信号的波数量计数到期望的数量，并输出第一标志信号; 第二计数器，对所述分频信号的波数进行计数，并输出第二标志信号; 第一比较器，比较第一标志信号和第二标志信号，并输出频率比较信号; 以及通过向其输出信号来控制压控振荡器，第一计数器，第二计数器和分频器的控制电路。

5. 发明授权

US07317363B2 Frequency synthesizer 有权
标题翻译：频率合成器
公开(公告)号：US07317363B2
公开(公告)日：2008-01-08
申请号：US11304594
申请日：2005-12-16
申请人： Shouhei Kousai , Hiroyuki Kobayashi
发明人： Shouhei Kousai , Hiroyuki Kobayashi
IPC分类号： H03B1/00
CPC分类号： H03L7/181 , H03L7/087 , H03L7/099 , H03L7/10
摘要： There is provided a phase locked loop circuit which receives a reference signal having a reference frequency and a first signal having a first frequency, compares phases of the reference signal and first signal, applies a control voltage based on a phase comparison result to an input terminal of a voltage controlled oscillator to generate a second signal having an oscillation frequency and output the second signal from an output terminal, and supplies the second signal to a divider to divide the frequency of the second signal and output the first signal; and a controller which generates and supplies a control signal to the voltage controlled oscillator, wherein the voltage controlled oscillator has an arrangement in which a coil and variable capacitance are connected in parallel between the input terminal and output terminal, and one of a plurality of capacitances is selectively connected between the input terminal and output terminal by a switch in parallel with the variable capacitance, and ON/OFF of the switch is controlled by the control signal.
摘要翻译：提供了一种锁相环电路，其接收具有参考频率的参考信号和具有第一频率的第一信号，比较参考信号和第一信号的相位，将基于相位比较结果的控制电压施加到输入端产生具有振荡频率的第二信号并从输出端输出第二信号，并将第二信号提供给除法器，以分频第二信号的频率并输出第一信号; 以及控制器，其产生并向压控振荡器提供控制信号，其中压控振荡器具有这样的布置，其中线圈和可变电容并联连接在输入端和输出端之间，并且多个电容之一通过与可变电容并联的开关选择性地连接在输入端子和输出端子之间，开关的ON / OFF由控制信号控制。

6. 发明申请

US20060158264A1 Frequency synthesizer 有权
标题翻译：频率合成器
公开(公告)号：US20060158264A1
公开(公告)日：2006-07-20
申请号：US11304594
申请日：2005-12-16
申请人： Shouhei Kousai , Hiroyuki Kobayashi
发明人： Shouhei Kousai , Hiroyuki Kobayashi
IPC分类号： H03L7/00
CPC分类号： H03L7/181 , H03L7/087 , H03L7/099 , H03L7/10
摘要： According to the present invention, there is provided a frequency synthesizer comprising: a phase locked loop circuit which receives a reference signal having a reference frequency and a first signal having a first frequency, compares phases of the reference signal and first signal, applies a control voltage based on a phase comparison result to an input terminal of a voltage controlled oscillator to generate a second signal having an oscillation frequency and output the second signal from an output terminal, and supplies the second signal to a divider to divide the frequency of the second signal and output the first signal; and a controller which generates and supplies a control signal to the voltage controlled oscillator, wherein the voltage controlled oscillator has an arrangement in which a coil and variable capacitance are connected in parallel between the input terminal and output terminal, and one of a plurality of capacitances is selectively connected between the input terminal and output terminal by a switch in parallel with the variable capacitance, and ON/OFF of the switch is controlled by the control signal.
摘要翻译：根据本发明，提供了一种频率合成器，包括：锁相环电路，其接收参考频率的参考信号和具有第一频率的第一信号，比较参考信号和第一信号的相位，基于与压控振荡器的输入端子的相位比较结果的电压，以产生具有振荡频率的第二信号并从输出端输出第二信号，并将第二信号提供给除法器，以将第二信号信号并输出第一个信号; 以及控制器，其向所述压控振荡器产生并提供控制信号，其中所述压控振荡器具有线圈和可变电容并联连接在所述输入端子和输出端子之间的布置，以及多个电容中的一个通过与可变电容并联的开关选择性地连接在输入端子和输出端子之间，开关的ON / OFF由控制信号控制。

7. 发明授权

US09117931B2 Semiconductor device with a resonator using acoustic standing wave excited in semiconductor crystal 有权
标题翻译：具有在半导体晶体中激发的声驻波的谐振器的半导体器件
公开(公告)号：US09117931B2
公开(公告)日：2015-08-25
申请号：US13685859
申请日：2012-11-27
申请人： Kazuhide Abe , Atsuko Iida , Kazuhiko Itaya , Junji Wadatsumi , Shouhei Kousai
发明人： Kazuhide Abe , Atsuko Iida , Kazuhiko Itaya , Junji Wadatsumi , Shouhei Kousai
IPC分类号： H01L29/84 , H03H9/24 , H03H9/02
CPC分类号： H01L29/84 , H01L2924/1461 , H03H9/2405 , H03H2009/02314
摘要： A semiconductor device according to an embodiment has: a semiconductor substrate; an acoustic resonator formed on the semiconductor substrate, having a semiconductor layer including impurity electrically isolated from the substrate by depletion layer and configured to resonate at a predetermined resonance frequency based on acoustic standing wave excited in the semiconductor layer; a temperature detector formed on the semiconductor substrate and configured to detect temperature of the semiconductor substrate; a calculating unit formed on the semiconductor substrate and configured to perform calculation of temperature compensation based on the temperature detected by the temperature detector, kind of the impurity and concentration of the impurity; and a controller formed on the semiconductor substrate and configured to control the resonance frequency based on a result of the calculation by the calculating unit.
摘要翻译：根据实施例的半导体器件具有：半导体衬底; 形成在所述半导体衬底上的声谐振器，具有包括通过耗尽层与所述衬底电绝缘的杂质的半导体层，并且被配置为基于在所述半导体层中激发的声驻波以预定的谐振频率谐振; 温度检测器，形成在所述半导体衬底上，并被配置为检测所述半导体衬底的温度; 计算单元，其形成在所述半导体基板上，并且被配置为基于由所述温度检测器检测到的温度进行温度补偿的计算，所述杂质的种类和所述杂质的浓度; 以及控制器，其形成在所述半导体基板上，并且被配置为基于所述计算单元的计算结果来控制所述共振频率。

8. 发明授权

US08849219B2 DA converter and wireless communication apparatus 有权
标题翻译： DA转换器和无线通信装置
公开(公告)号：US08849219B2
公开(公告)日：2014-09-30
申请号：US13599413
申请日：2012-08-30
申请人： Jun Deguchi , Shouhei Kousai , Yousuke Hagiwara , Masamichi Suzuki , Atsuhiro Kinoshita , Takao Marukame
发明人： Jun Deguchi , Shouhei Kousai , Yousuke Hagiwara , Masamichi Suzuki , Atsuhiro Kinoshita , Takao Marukame
IPC分类号： H04B1/38 , H03M1/66 , H03M1/10 , H03M1/74
CPC分类号： H03M1/66 , H03M1/1061 , H03M1/745
摘要： In general, according to one embodiment, a DA converter configured to convert a digital signal comprising n (n>1) bits to an analog current to output the analog current from an output terminal, includes n voltage-current converters. Each of them corresponds to each bit of the digital signal and is configured to generate a current depending on the corresponding bit. A k-th (k is an integer of 0 to n−1) voltage-current converter includes a first transistor whose threshold voltage is adjustable. The first transistor includes a semiconductor substrate, a first diffusion region, a second diffusion region, an insulating film, a charge accumulating film, and a gate.
摘要翻译：通常，根据一个实施例，配置成将包括n（n> 1）位的数字信号转换为模拟电流以从输出端输出模拟电流的DA转换器包括n个电压 - 电流转换器。它们中的每一个对应于数字信号的每个位，并且被配置为根据相应的位产生电流。第k（k是0到n-1的整数）电压 - 电流转换器包括阈值电压可调的第一晶体管。第一晶体管包括半导体衬底，第一扩散区，第二扩散区，绝缘膜，电荷累积膜和栅极。

9. 发明授权

US08742844B2 Power amplifier device 有权
标题翻译：功率放大器装置
公开(公告)号：US08742844B2
公开(公告)日：2014-06-03
申请号：US13604370
申请日：2012-09-05
申请人： Shouhei Kousai
发明人： Shouhei Kousai
IPC分类号： H03G3/20
CPC分类号： H03F1/3247 , H03F3/195 , H03F3/245 , H03F2200/411 , H03G3/3042
摘要： A power amplifier device includes an input terminal for a RF input signal. The power amplifier device includes an output terminal a RF output signal. The power amplifier device includes a first power amplifier connected to the input terminal, amplifies the RF input signal with a first gain, and outputs a first amplified signal. The power amplifier device includes a second power amplifier that amplifies a signal on the basis of the first amplified signal and outputs a second amplified signal with a second gain. The power amplifier device includes a low-pass filter or a band-pass filter that filters the second amplified signal. The power amplifier device includes an amplitude comparator to compare the first amplitude of the first comparison signal generated from the RF input signal with the second amplitude of the second comparison signal generated from the filtered signal and to output an amplitude comparison signal.
摘要翻译：功率放大器装置包括用于RF输入信号的输入端。功率放大器装置包括输出端子，RF输出信号。功率放大器装置包括连接到输入端的第一功率放大器，以第一增益放大RF输入信号，并输出第一放大信号。功率放大器装置包括：第二功率放大器，其基于第一放大信号放大信号，并输出具有第二增益的第二放大信号。功率放大器装置包括对第二放大信号进行滤波的低通滤波器或带通滤波器。功率放大器装置包括幅度比较器，用于将从RF输入信号产生的第一比较信号的第一幅度与从滤波信号产生的第二比较信号的第二幅度进行比较，并输出幅度比较信号。

10. 发明申请

US20120142287A1 OSCILLATOR CIRCUIT, RADIO COMMUNICATION DEVICE AND SEMICONDUCTOR INTEGRATED CIRCUIT 失效
标题翻译：振荡器电路，无线电通信设备和半导体集成电路
公开(公告)号：US20120142287A1
公开(公告)日：2012-06-07
申请号：US13231638
申请日：2011-09-13
申请人： Shouhei Kousai
发明人： Shouhei Kousai
IPC分类号： H03L5/00 , H04B1/40 , H03L7/00
CPC分类号： H03K3/0231
摘要： According to one embodiment, an oscillator circuit includes a first comparator circuit, a second comparator circuit, a first voltage control circuit, a second voltage control circuit, a clock generation circuit. The first comparator circuit is configured to compare a first voltage with a first threshold voltage to generate a first comparison result. The second comparator circuit is configured to compare a second voltage with a second threshold voltage to generate a second comparison result. The first voltage control circuit is configured to decrease the first voltage by a first voltage value in synchronization with timing when the first comparison result changes. The second voltage control circuit is configured to decrease the second voltage by a second voltage value in synchronization with timing when the second comparison result changes.
摘要翻译：根据一个实施例，振荡器电路包括第一比较器电路，第二比较器电路，第一电压控制电路，第二电压控制电路，时钟发生电路。第一比较器电路被配置为将第一电压与第一阈值电压进行比较以产生第一比较结果。第二比较器电路被配置为将第二电压与第二阈值电压进行比较以产生第二比较结果。第一电压控制电路被配置为与第一比较结果改变的定时同步地将第一电压降低第一电压值。第二电压控制电路被配置为与第二比较结果改变的定时同步地将第二电压降低第二电压值。

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