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61. 发明授权

US07598801B2 Voltage regulator, voltage regulating method thereof and voltage generator using the same 失效
标题翻译：电压调节器，电压调节方法及使用其的电压发生器
公开(公告)号：US07598801B2
公开(公告)日：2009-10-06
申请号：US11832657
申请日：2007-08-02
申请人： Chih-Jen Yen , Chih-Yuan Hsieh
发明人： Chih-Jen Yen , Chih-Yuan Hsieh
IPC分类号： G05F1/46
CPC分类号： G05F1/56
摘要： A voltage regulator and a voltage regulating method thereof and a voltage generator using the voltage regulator are disclosed by the present invention. The voltage regulator of the present invention uses a first switching unit and a second switching unit to respectively provide an operational transconductance amplifier (OTA) with different closed-loop feedback paths during a first period and a second period. In this way, an auto-zeroing unit is able to exactly store an input offset voltage presented between the inverting input terminal and the non-inverting input terminal of the OTA.
摘要翻译：本发明公开了一种电压调节器及其电压调节方法和使用该电压调节器的电压发生器。本发明的电压调节器使用第一开关单元和第二开关单元，以在第一周期和第二周期期间分别提供具有不同闭环反馈路径的工作跨导放大器（OTA）。以这种方式，自动调零单元能够准确地存储在OTA的反相输入端子和非反相输入端子之间呈现的输入失调电压。

62. 发明授权

US07538605B2 Amplifier device capable of reducing offset voltage 失效
标题翻译：放大器能够降低失调电压
公开(公告)号：US07538605B2
公开(公告)日：2009-05-26
申请号：US11772241
申请日：2007-07-01
申请人： Chih-Jen Yen
发明人： Chih-Jen Yen
IPC分类号： H03F1/02
CPC分类号： H03F3/45475 , H03F3/45968 , H03F2200/453 , H03F2203/45551 , H03F2203/45588 , H03F2203/45681
摘要： An amplifier device capable of reducing offset voltage includes an offset-voltage cancellation device, an input stage circuit, an output stage circuit, a pseudo output stage circuit, a switch circuit, and an output end. The switch circuit is coupled to the input stage circuit, the output stage circuit, and the pseudo output stage circuit, and is utilized for transmitting an amplified signal provided by the input stage circuit to the output stage circuit and transmitting a first feedback voltage provided by the output stage circuit to the input stage circuit or transmitting the amplified signal provided by the input stage circuit to the pseudo output stage circuit and transmitting a second feedback voltage provided by the pseudo output stage circuit to the input stage circuit according to an operating mode.
摘要翻译：能够降低偏移电压的放大器装置包括偏移电压消除装置，输入级电路，输出级电路，伪输出级电路，开关电路和输出端。开关电路耦合到输入级电路，输出级电路和伪输出级电路，用于将由输入级电路提供的放大信号发送到输出级电路，并传输由第一反馈电压将输出级电路输入到输入级电路，或者将由输入级电路提供的放大信号发送到伪输出级电路，并根据操作模式将由伪输出级电路提供的第二反馈电压发送到输入级电路。

63. 发明授权

US07518415B2 Voltage buffer and source driver thereof 有权
标题翻译：电压缓冲器及其源驱动器
公开(公告)号：US07518415B2
公开(公告)日：2009-04-14
申请号：US11554044
申请日：2006-10-30
申请人： Chih-Jen Yen
发明人： Chih-Jen Yen
IPC分类号： H03K3/00
CPC分类号： H03K5/2481 , G09G3/3688 , G09G2310/027 , G09G2310/0289 , G09G2320/0252
摘要： A voltage buffer and the source driver thereof are disclosed. The above-mentioned voltage buffer includes an operational amplifier and an overdriving unit, wherein the operational amplifier outputs an output voltage. The overdriving unit is coupled between an input voltage and the operational amplifier for comparing the input voltage with the output voltage and outputting an overdriving voltage to the positive input terminal of the operational amplifier. Herein if the input voltage is greater than the output voltage, the overdriving voltage is greater than the input voltage; if the input voltage is less than the output voltage, the overdriving voltage is less than the input voltage; if the input voltage is equal to the output voltage, the overdriving voltage is equal to the input voltage.
摘要翻译：公开了电压缓冲器及其源极驱动器。上述电压缓冲器包括运算放大器和过驱动单元，其中运算放大器输出输出电压。过驱动单元耦合在输入电压和运算放大器之间，用于将输入电压与输出电压进行比较，并将过驱动电压输出到运算放大器的正输入端。这里如果输入电压大于输出电压，则过驱动电压大于输入电压; 如果输入电压小于输出电压，则过驱动电压小于输入电压; 如果输入电压等于输出电压，则过驱动电压等于输入电压。

64. 发明授权

US07486128B2 Charge pump control circuit and control method thereof 有权
标题翻译：电荷泵控制电路及其控制方法
公开(公告)号：US07486128B2
公开(公告)日：2009-02-03
申请号：US11457818
申请日：2006-07-17
申请人： Chih-Jen Yen , Chih-Yuan Hsieh
发明人： Chih-Jen Yen , Chih-Yuan Hsieh
IPC分类号： G05F1/575
CPC分类号： H02M3/07
摘要： A charge pump control circuit and a control method for controlling charge pumps are disclosed. The output terminal of the charge pump is coupled to a load circuit. The charge pump control circuit includes a detecting and controlling circuit and a controlled oscillator. The detecting and controlling circuit is used to detect the load status of the load circuit and output a control signal according to the load status. The controlled oscillator receives the control signal and outputs at least one clock signal. According to the control signal to control a frequency of the clock signal, the charge pump control circuit controls the charge pump.
摘要翻译：公开了电荷泵控制电路和控制电荷泵的控制方法。电荷泵的输出端耦合到负载电路。电荷泵控制电路包括检测和控制电路和受控振荡器。检测和控制电路用于检测负载电路的负载状态，并根据负载状态输出控制信号。受控振荡器接收控制信号并输出至少一个时钟信号。根据控制信号控制时钟信号的频率，电荷泵控制电路控制电荷泵。

65. 发明申请

US20080297125A1 VOLTAGE REGULATOR, VOLTAGE REGULATING METHOD THEREOF AND VOLTAGE GENERATOR USING THE SAME 失效
标题翻译：电压调节器及其电压调节方法及其使用的电压发生器
公开(公告)号：US20080297125A1
公开(公告)日：2008-12-04
申请号：US11832657
申请日：2007-08-02
申请人： Chih-Jen Yen , Chih-Yuan Hsieh
发明人： Chih-Jen Yen , Chih-Yuan Hsieh
IPC分类号： G05F1/44 , G05F1/00
CPC分类号： G05F1/56
摘要： A voltage regulator and a voltage regulating method thereof and a voltage generator using the voltage regulator are disclosed by the present invention. The voltage regulator of the present invention uses a first switching unit and a second switching unit to respectively provide an operational transconductance amplifier (OTA) with different closed-loop feedback paths during a first period and a second period. In this way, an auto-zeroing unit is able to exactly store an input offset voltage presented between the inverting input terminal and the non-inverting input terminal of the OTA.
摘要翻译：本发明公开了一种电压调节器及其电压调节方法和使用该电压调节器的电压发生器。本发明的电压调节器使用第一开关单元和第二开关单元，以在第一周期和第二周期期间分别提供具有不同闭环反馈路径的工作跨导放大器（OTA）。以这种方式，自动调零单元能够准确地存储在OTA的反相输入端子和非反相输入端子之间呈现的输入失调电压。

66. 发明授权

US07459943B2 High accuracy sample and hold circuit having a common negative input terminal 有权
标题翻译：具有公共负输入端的高精度采样保持电路
公开(公告)号：US07459943B2
公开(公告)日：2008-12-02
申请号：US11609337
申请日：2006-12-12
申请人： Chih-Jen Yen , Chih-Yuan Hsieh
发明人： Chih-Jen Yen , Chih-Yuan Hsieh
IPC分类号： G11C27/02
CPC分类号： G11C27/024
摘要： A high accuracy sample and hold circuit including a first switch, a second switch, a first capacitor, a second capacitor and an amplifier is disclosed. The first capacitor receives and saves a sampling voltage from the first switch during a first period, while the second capacitor receives and saves another sampling voltage from the second switch during a second period. The amplifier has first and second positive input terminals, a negative input terminal, an output terminal and a first input stage and an output stage. Wherein, the first input stage includes a first input set and a second input set. During the first period, the amplifier disables the operation of the first input set and enables the operation of the second input set, while during the second period, the amplifier enables the operation of the first input set and disables the operation of the second input set.
摘要翻译：公开了一种包括第一开关，第二开关，第一电容器，第二电容器和放大器的高精度采样和保持电路。第一电容器在第一周期期间接收并保存来自第一开关的采样电压，而第二电容器在第二周期期间接收并保存来自第二开关的另一采样电压。放大器具有第一和第二正输入端子，负输入端子，输出端子以及第一输入级和输出级。其中，第一输入级包括第一输入组和第二输入组。在第一时段期间，放大器禁用第一输入组的操作并使第二输入组的操作，而在第二时段期间，放大器使得能够操作第一输入组并禁用第二输入组的操作。

67. 发明申请

US20080211545A1 SAMPLE-AND-HOLD APPARATUS AND OPERATING METHOD THEREOF 失效
标题翻译：样品保存装置及其操作方法
公开(公告)号：US20080211545A1
公开(公告)日：2008-09-04
申请号：US11744225
申请日：2007-05-04
申请人： Chih-Jen Yen , Chih-Yuan Hsieh , Chiu-Hung Cheng
发明人： Chih-Jen Yen , Chih-Yuan Hsieh , Chiu-Hung Cheng
IPC分类号： G11C27/02
CPC分类号： G11C27/026
摘要： A sample-and-hold apparatus and an operating method thereof are provided. The sample-and-hold apparatus includes a sampling amplifier, a transistor, a first switch, a second switch, a sampling capacitor, and a drain-charge unit. A first input terminal of the sampling amplifier receives an input signal. A first-terminal of the transistor is coupled to a first voltage. The first switch is coupled between an output terminal of the sampling amplifier and a gate of the transistor. The first and second terminals of the second switch are coupled to a second terminal of the transistor and a second input terminal of the sampling amplifier, respectively. The first and second terminals of the sampling capacitor are coupled to the gate of the transistor and a reference voltage. The drain-charge unit for draining/providing charges has first and second terminals coupled to the second terminal of the second switch and a second voltage, respectively.
摘要翻译：提供了采样保持装置及其操作方法。采样保持装置包括采样放大器，晶体管，第一开关，第二开关，采样电容器和漏极充电单元。采样放大器的第一输入端接收输入信号。晶体管的第一端耦合到第一电压。第一开关耦合在采样放大器的输出端和晶体管的栅极之间。第二开关的第一和第二端子分别耦合到晶体管的第二端子和采样放大器的第二输入端子。采样电容器的第一和第二端子耦合到晶体管的栅极和参考电压。用于排放/提供电荷的漏极 - 充电单元分别具有耦合到第二开关的第二端子的第一和第二端子以及第二电压。

68. 发明申请

US20080100376A1 VOLTAGE CONVERSION DEVICE HAVING NON-LINEAR GAIN AND CHANGEABLE GAIN POLARITY 失效
标题翻译：具有非线性增益和可变增益极性的电压转换器件
公开(公告)号：US20080100376A1
公开(公告)日：2008-05-01
申请号：US11685207
申请日：2007-03-13
申请人： Chih-Jen Yen
发明人： Chih-Jen Yen
IPC分类号： H03G3/20
CPC分类号： H03M1/664 , G09G3/2092 , G09G3/3614 , G09G3/3648 , G09G3/3688 , G09G5/366 , G09G2320/0276 , G09G2330/06
摘要： A voltage conversion device having non-linear gain and changeable gain polarity includes a switch module, a gain decision module, a first voltage selection module, a second voltage selection module, a first switch unit, a second switch unit and a voltage output module. The switch module is used for outputting analog voltage provided by the analog voltage source or voltage corresponding to the system ground end. The gain decision module is used for determining a gain. The first voltage selection module is used for outputting a first DC voltage. The second voltage selection module is used for outputting a second DC voltage. The first switch unit is used for outputting the first DC voltage. The second switch unit is used for outputting the second DC voltage. The voltage output module is used for outputting an amplified result of a DC voltage according to the gain.
摘要翻译：具有非线性增益和可变增益极性的电压转换装置包括开关模块，增益决定模块，第一电压选择模块，第二电压选择模块，第一开关单元，第二开关单元和电压输出模块。开关模块用于输出由模拟电压源提供的模拟电压或对应于系统接地端的电压。增益决定模块用于确定增益。第一电压选择模块用于输出第一直流电压。第二电压选择模块用于输出第二直流电压。第一开关单元用于输出第一直流电压。第二开关单元用于输出第二直流电压。电压输出模块用于根据增益输出直流电压的放大结果。

69. 发明授权

US07365666B1 Voltage conversion device having non-linear gain and changeable gain polarity 失效
标题翻译：具有非线性增益和可变增益极性的电压转换装置
公开(公告)号：US07365666B1
公开(公告)日：2008-04-29
申请号：US11685207
申请日：2007-03-13
申请人： Chih-Jen Yen
发明人： Chih-Jen Yen
IPC分类号： H03M1/00
CPC分类号： H03M1/664 , G09G3/2092 , G09G3/3614 , G09G3/3648 , G09G3/3688 , G09G5/366 , G09G2320/0276 , G09G2330/06
摘要： A voltage conversion device having non-linear gain and changeable gain polarity includes a switch module, a gain decision module, a first voltage selection module, a second voltage selection module, a first switch unit, a second switch unit and a voltage output module. The switch module is used for outputting analog voltage provided by the analog voltage source or voltage corresponding to the system ground end. The gain decision module is used for determining a gain. The first voltage selection module is used for outputting a first DC voltage. The second voltage selection module is used for outputting a second DC voltage. The first switch unit is used for outputting the first DC voltage. The second switch unit is used for outputting the second DC voltage. The voltage output module is used for outputting an amplified result of a DC voltage according to the gain.
摘要翻译：具有非线性增益和可变增益极性的电压转换装置包括开关模块，增益决定模块，第一电压选择模块，第二电压选择模块，第一开关单元，第二开关单元和电压输出模块。开关模块用于输出由模拟电压源提供的模拟电压或对应于系统接地端的电压。增益决定模块用于确定增益。第一电压选择模块用于输出第一直流电压。第二电压选择模块用于输出第二直流电压。第一开关单元用于输出第一直流电压。第二开关单元用于输出第二直流电压。电压输出模块用于根据增益输出直流电压的放大结果。

70. 发明授权

US07330380B2 Digital-to-analog conversion device 失效
标题翻译：数模转换器
公开(公告)号：US07330380B2
公开(公告)日：2008-02-12
申请号：US11271425
申请日：2005-11-09
申请人： Chih-Jen Yen
发明人： Chih-Jen Yen
IPC分类号： G11C11/34
CPC分类号： H03M1/66
摘要： A digital-to-analog (D/A) conversion device including a data-latch unit, a D/A conversion unit and a gain amplifier is provided. Wherein, the amplitude of the supply voltages for the reference voltage of the D/A conversion unit is not greater than that of the data-latch unit so that the switches in a switch control unit of the D/A conversion unit can be fully turned on or off without using level-shift units. The output amplifier must have a gain to amplify the output signal of the D/A conversion unit to an expected voltage range.
摘要翻译：提供了包括数据锁存单元，D / A转换单元和增益放大器的数模（D / A）转换装置。其中，D / A转换单元的参考电压的电源电压的振幅不大于数据锁存单元的电压，使得D / A转换单元的开关控制单元中的开关可以完全转动无需使用电平转换单元。输出放大器必须具有增益，将D / A转换单元的输出信号放大到预期的电压范围。

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