-
公开(公告)号：US08542073B2
公开(公告)日：2013-09-24
申请号：US13067328
申请日：2011-05-25
申请人： Tomokazu Matsuzaki , Kazutoshi Sako
发明人： Tomokazu Matsuzaki , Kazutoshi Sako
IPC分类号： H03K3/26
CPC分类号： H03K3/354 , H03K3/017 , H03K5/133 , H03K2005/00071 , H03L7/089
摘要： A variable-capacitance device includes a first capacitance element coupled between a first power supply terminal and an output terminal, a capacitance selection switch that is turned on and off in accordance with a capacitance switching signal, a second capacitance element coupled in parallel to the first capacitance element and in series to the capacitance selection switch, and an error correction circuit configured to operate such that in a state in which the capacitance selection switch is in an OFF state, in response to a charge reset signal that causes a voltage at the output terminal to be reset to a reset voltage, the error correction circuit substantially eliminates a difference between the voltage at the output terminal and a voltage at a capacitance switching node at which the second capacitance element is coupled to the capacitance selection switch.
摘要翻译： 可变电容器件包括耦合在第一电源端子和输出端子之间的第一电容元件，根据电容切换信号导通和截止的电容选择开关，与第一电源端子和输出端子并联连接的第二电容元件 电容元件并串联连接到电容选择开关，以及误差校正电路，被配置为在电容选择开关处于截止状态的状态下进行操作，响应于在输出端产生电压的电荷复位信号 端子复位到复位电压，误差校正电路基本上消除了输出端子处的电压与电容切换节点处的电压之间的差异，在该电容开关节点处第二电容元件耦合到电容选择开关。
-
公开(公告)号：US20110248786A1
公开(公告)日：2011-10-13
申请号：US13078446
申请日：2011-04-01
申请人： Kazutoshi Sako , Tomokazu Matsuzaki
发明人： Kazutoshi Sako , Tomokazu Matsuzaki
IPC分类号： H03L7/00
CPC分类号： H03L7/00
摘要： An oscillator circuit in accordance with an aspect of the present invention includes a filter capacitor that generates an oscillating frequency control voltage according to a charge amount accumulated based on an oscillating frequency setting current, an oscillator that changes a frequency of an oscillation signal to be output according to the oscillating frequency control voltage, a control circuit that generates a timing control signal, a frequency detection circuit that generates a frequency detection voltage based on the timing control signal, a voltage level of the frequency detection voltage being changed according to a length of the period of the oscillation signal, and a differential amplifier that continuously changes the oscillating frequency setting current according to a voltage difference between the frequency detection voltage and a reference voltage, and outputs the resultant oscillating frequency setting current to the filter capacitor.
摘要翻译： 根据本发明的一个方面的振荡器电路包括：滤波电容器，其根据基于振荡频率设定电流累积的充电量产生振荡频率控制电压;振荡器，其改变要输出的振荡信号的频率 根据振荡频率控制电压，产生定时控制信号的控制电路，基于定时控制信号产生频率检测电压的频率检测电路，频率检测电压的电压电平根据 振荡信号的周期，以及根据频率检测电压和参考电压之间的电压差连续地改变振荡频率设定电流的差分放大器，并将所得到的振荡频率设定电流输出到滤波电容器。
-
3.发明授权公开(公告)号：US09046910B2
公开(公告)日：2015-06-02
申请号：US13427359
申请日：2012-03-22
申请人： Kazutoshi Sako , Tomokazu Matsuzaki
发明人： Kazutoshi Sako , Tomokazu Matsuzaki
IPC分类号： G05F3/30 , G05F1/56 , H03L1/02 , G05F3/24 , H03K3/0231
摘要： A constant current generation circuit of the invention includes: a temperature variable voltage generation unit that generates a first variation voltage whose voltage value fluctuates with temperature; a variation gradient adjustment unit that generates a second variation voltage based on a reference voltage smaller in the amount of variation with temperature than the first variation voltage and the first variation voltage; and a current generation unit that includes a current setting resistor whose resistance value fluctuates with temperature and generates an output current based on the second variation voltage and the current setting resistor. The variation gradient adjustment unit sets the coefficient of variation with temperature of the second variation voltage so that the difference between it and the coefficient of variation with temperature of the resistance value of the current setting resistor is within a preset first stipulated range.
摘要翻译： 本发明的恒流产生电路包括：温度可变电压产生单元，其产生其电压值随温度波动的第一变化电压; 变化梯度调整单元，其基于与第一变化电压和第一变化电压的温度变化量相比较小的参考电压产生第二变化电压; 以及电流产生单元，其包括电阻值随温度变化的电流设定电阻器，并且基于第二变化电压和电流设定电阻器产生输出电流。 变化梯度调整单元设定与第二变化电压的温度的变化系数，使得其与电流设定电阻的电阻值的温度的变化系数之差在预先设定的第一规定范围内。
-
公开(公告)号：US08816789B2
公开(公告)日：2014-08-26
申请号：US13526026
申请日：2012-06-18
IPC分类号： H03B5/32
CPC分类号： H03B5/32 , H03B5/36 , H03B2200/003 , H03B2200/006 , H03B2200/0062
摘要： A semiconductor device according to an exemplary aspect of the invention is capable of being selectively switched between an oscillation circuit and a signal input-output circuit, and includes first and second external connecting terminals that are connectable to an oscillation device; an inverting amplifier an input side of which is electrically connected to the first external connecting terminal through a coupling capacitor and an output side of which is electrically connected to the second external connecting terminal; a feedback resistor connected to the input side and the output side of the inverting amplifier; a bias stabilization circuit that stabilizes a bias applied to the coupling capacitor; a first signal input-output portion connected to the first external connecting terminal; and a second signal input-output portion connected to the second external connecting terminal.
摘要翻译： 根据本发明的示例性方面的半导体器件能够在振荡电路和信号输入 - 输出电路之间选择性地切换，并且包括可连接到振荡器件的第一和第二外部连接端子; 反相放大器，其输入侧通过耦合电容器电连接到第一外部连接端子，并且其输出侧电连接到第二外部连接端子; 连接到反相放大器的输入侧和输出侧的反馈电阻器; 偏置稳定电路，稳定施加到耦合电容器的偏压; 连接到第一外部连接端子的第一信号输入 - 输出部分; 以及连接到第二外部连接端子的第二信号输入 - 输出部分。
-
5.发明申请公开(公告)号：US20120249114A1
公开(公告)日：2012-10-04
申请号：US13427359
申请日：2012-03-22
申请人： Kazutoshi SAKO , Tomokazu MATSUZAKI
发明人： Kazutoshi SAKO , Tomokazu MATSUZAKI
IPC分类号： G05F3/02
摘要： A constant current generation circuit of the invention includes: a temperature variable voltage generation unit that generates a first variation voltage whose voltage value fluctuates with temperature; a variation gradient adjustment unit that generates a second variation voltage based on a reference voltage smaller in the amount of variation with temperature than the first variation voltage and the first variation voltage; and a current generation unit that includes a current setting resistor whose resistance value fluctuates with temperature and generates an output current based on the second variation voltage and the current setting resistor. The variation gradient adjustment unit sets the coefficient of variation with temperature of the second variation voltage so that the difference between it and the coefficient of variation with temperature of the resistance value of the current setting resistor is within a preset first stipulated range.
摘要翻译： 本发明的恒流产生电路包括：温度可变电压产生单元，其产生其电压值随温度波动的第一变化电压; 变化梯度调整单元，其基于与第一变化电压和第一变化电压的温度变化量相比较小的参考电压产生第二变化电压; 以及电流产生单元，其包括电阻值随温度变化的电流设定电阻器，并且基于第二变化电压和电流设定电阻器产生输出电流。 变化梯度调整单元设定与第二变化电压的温度的变化系数，使得其与电流设定电阻的电阻值的温度的变化系数之差在预先设定的第一规定范围内。
-
公开(公告)号：US20110309889A1
公开(公告)日：2011-12-22
申请号：US13067328
申请日：2011-05-25
申请人： Tomokazu Matsuzaki , Kazutoshi Sako
发明人： Tomokazu Matsuzaki , Kazutoshi Sako
CPC分类号： H03K3/354 , H03K3/017 , H03K5/133 , H03K2005/00071 , H03L7/089
摘要： A variable-capacitance device includes a first capacitance element coupled between a first power supply terminal and an output terminal, a capacitance selection switch that is turned on and off in accordance with a capacitance switching signal, a second capacitance element coupled in parallel to the first capacitance element and in series to the capacitance selection switch, and an error correction circuit configured to operate such that in a state in which the capacitance selection switch is in an OFF state, in response to a charge reset signal that causes a voltage at the output terminal to be reset to a reset voltage, the error correction circuit substantially eliminates a difference between the voltage at the output terminal and a voltage at a capacitance switching node at which the second capacitance element is coupled to the capacitance selection switch.
摘要翻译： 可变电容器件包括耦合在第一电源端子和输出端子之间的第一电容元件，根据电容切换信号导通和截止的电容选择开关，与第一电源端子和输出端子并联连接的第二电容元件 电容元件并串联连接到电容选择开关，以及误差校正电路，被配置为在电容选择开关处于截止状态的状态下进行操作，响应于在输出端产生电压的电荷复位信号 端子复位到复位电压，误差校正电路基本上消除了输出端子处的电压与电容切换节点处的电压之间的差异，在该电容开关节点处第二电容元件耦合到电容选择开关。
-
公开(公告)号：US20110074499A1
公开(公告)日：2011-03-31
申请号：US12891216
申请日：2010-09-27
IPC分类号： H03H11/00
CPC分类号： H03B5/32 , H03B5/36 , H03B2200/003 , H03B2200/006 , H03B2200/0062
摘要： A semiconductor device according to an exemplary aspect of the invention is capable of being selectively switched between an oscillation circuit and a signal input-output circuit, and includes first and second external connecting terminals that are connectable to an oscillation device; an inverting amplifier an input side of which is electrically connected to the first external connecting terminal through a coupling capacitor and an output side of which is electrically connected to the second external connecting terminal; a feedback resistor connected to the input side and the output side of the inverting amplifier; a bias stabilization circuit that stabilizes a bias applied to the coupling capacitor; a first signal input-output portion connected to the first external connecting terminal; and a second signal input-output portion connected to the second external connecting terminal.
摘要翻译： 根据本发明的示例性方面的半导体器件能够在振荡电路和信号输入 - 输出电路之间选择性地切换，并且包括可连接到振荡器件的第一和第二外部连接端子; 反相放大器，其输入侧通过耦合电容器电连接到第一外部连接端子，并且其输出侧电连接到第二外部连接端子; 连接到反相放大器的输入侧和输出侧的反馈电阻器; 偏置稳定电路，稳定施加到耦合电容器的偏压; 连接到所述第一外部连接端子的第一信号输入 - 输出部分; 以及连接到第二外部连接端子的第二信号输入 - 输出部分。
-
公开(公告)号：US20120256691A1
公开(公告)日：2012-10-11
申请号：US13526026
申请日：2012-06-18
IPC分类号： H03F3/04
CPC分类号： H03B5/32 , H03B5/36 , H03B2200/003 , H03B2200/006 , H03B2200/0062
摘要： A semiconductor device according to an exemplary aspect of the invention is capable of being selectively switched between an oscillation circuit and a signal input-output circuit, and includes first and second external connecting terminals that are connectable to an oscillation device; an inverting amplifier an input side of which is electrically connected to the first external connecting terminal through a coupling capacitor and an output side of which is electrically connected to the second external connecting terminal; a feedback resistor connected to the input side and the output side of the inverting amplifier; a bias stabilization circuit that stabilizes a bias applied to the coupling capacitor; a first signal input-output portion connected to the first external connecting terminal; and a second signal input-output portion connected to the second external connecting terminal.
摘要翻译： 根据本发明的示例性方面的半导体器件能够在振荡电路和信号输入 - 输出电路之间选择性地切换，并且包括可连接到振荡器件的第一和第二外部连接端子; 反相放大器，其输入侧通过耦合电容器电连接到第一外部连接端子，并且其输出侧电连接到第二外部连接端子; 连接到反相放大器的输入侧和输出侧的反馈电阻器; 偏置稳定电路，稳定施加到耦合电容器的偏压; 连接到第一外部连接端子的第一信号输入 - 输出部分; 以及连接到第二外部连接端子的第二信号输入 - 输出部分。
-
公开(公告)号：US08378752B2
公开(公告)日：2013-02-19
申请号：US13078446
申请日：2011-04-01
申请人： Kazutoshi Sako , Tomokazu Matsuzaki
发明人： Kazutoshi Sako , Tomokazu Matsuzaki
IPC分类号： H03L7/085
CPC分类号： H03L7/00
摘要： An oscillator circuit in accordance with an aspect of the present invention includes a filter capacitor that generates an oscillating frequency control voltage according to a charge amount accumulated based on an oscillating frequency setting current, an oscillator that changes a frequency of an oscillation signal to be output according to the oscillating frequency control voltage, a control circuit that generates a timing control signal, a frequency detection circuit that generates a frequency detection voltage based on the timing control signal, a voltage level of the frequency detection voltage being changed according to a length of the period of the oscillation signal, and a differential amplifier that continuously changes the oscillating frequency setting current according to a voltage difference between the frequency detection voltage and a reference voltage, and outputs the resultant oscillating frequency setting current to the filter capacitor.
摘要翻译： 根据本发明的一个方面的振荡器电路包括：滤波电容器，其根据基于振荡频率设定电流累积的充电量产生振荡频率控制电压;振荡器，其改变要输出的振荡信号的频率 根据振荡频率控制电压，产生定时控制信号的控制电路，基于定时控制信号产生频率检测电压的频率检测电路，频率检测电压的电压电平根据 振荡信号的周期，以及根据频率检测电压和参考电压之间的电压差连续地改变振荡频率设定电流的差分放大器，并将所得到的振荡频率设定电流输出到滤波电容器。
-
公开(公告)号：US08217726B2
公开(公告)日：2012-07-10
申请号：US12891216
申请日：2010-09-27
IPC分类号： H03B5/32
CPC分类号： H03B5/32 , H03B5/36 , H03B2200/003 , H03B2200/006 , H03B2200/0062
摘要： A semiconductor device according to an exemplary aspect of the invention is capable of being selectively switched between an oscillation circuit and a signal input-output circuit, and includes first and second external connecting terminals that are connectable to an oscillation device; an inverting amplifier an input side of which is electrically connected to the first external connecting terminal through a coupling capacitor and an output side of which is electrically connected to the second external connecting terminal; a feedback resistor connected to the input side and the output side of the inverting amplifier; a bias stabilization circuit that stabilizes a bias applied to the coupling capacitor; a first signal input-output portion connected to the first external connecting terminal; and a second signal input-output portion connected to the second external connecting terminal.
摘要翻译： 根据本发明的示例性方面的半导体器件能够在振荡电路和信号输入 - 输出电路之间选择性地切换，并且包括可连接到振荡器件的第一和第二外部连接端子; 反相放大器，其输入侧通过耦合电容器电连接到第一外部连接端子，并且其输出侧电连接到第二外部连接端子; 连接到反相放大器的输入侧和输出侧的反馈电阻器; 偏置稳定电路，稳定施加到耦合电容器的偏压; 连接到第一外部连接端子的第一信号输入 - 输出部分; 以及连接到第二外部连接端子的第二信号输入 - 输出部分。
-
-
-
-
-
-
-
-
-
搜索结果
10 条记录 (耗时 0.016 秒)
