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1. 发明专利

JP2006155419A Testing device and power supply circuit 有权
标题翻译：测试设备和电源电路
公开(公告)号：JP2006155419A
公开(公告)日：2006-06-15
申请号：JP2004347659
申请日：2004-11-30
申请人： Advantest Corp , 株式会社アドバンテスト
发明人： KODERA SATOSHI
IPC分类号： G01M99/00 , G05F1/56 , G01R31/28 , H02M3/155
CPC分类号： G01R31/31924 , G01R31/31721
摘要： PROBLEM TO BE SOLVED: To reduce the power consumption of a power supply circuit for use with a testing device or the like for testing an electronic device.
SOLUTION: The testing device for testing an electronic device includes a pattern generating part for generating a test pattern for supply to the electronic device, a power supply circuit which supplies source power to the electronic device, and a checking part for checking the quality of the electronic device according to output signals which the electronic device outputs. The power supply circuit has a voltage source which generates a predetermined input voltage for application to the electronic device; a power device which supplies the source power to the electronic device according to the input voltage generated by the voltage source; a power supply which supplies the driving power of the power device; and a voltage control part which, according to the source power outputted by the power device, controls a driving voltage applied by the power supply to the power device.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了降低与用于测试电子设备的测试装置等一起使用的电源电路的功耗。解决方案：用于测试电子设备的测试装置包括用于产生用于向电子设备供应的测试图案的图案生成部件，向电子设备提供源电力的电源电路，以及用于检查电子设备的检查部件根据电子设备输出的输出信号，电子设备的质量。电源电路具有产生用于电子设备的预定输入电压的电压源; 功率器件，其根据由所述电压源产生的输入电压向所述电子设备供电; 供给所述动力装置的驱动力的电源; 以及电压控制部，其根据由所述功率器件输出的源极功率，将通过所述电源施加的驱动电压控制到所述电力装置。版权所有（C）2006，JPO＆NCIPI

2. 发明专利

JP2012052862A Power supply unit for test device and test device using the same 审中-公开
标题翻译：用于测试装置的电源单元和使用该测试装置的测试装置
公开(公告)号：JP2012052862A
公开(公告)日：2012-03-15
申请号：JP2010194348
申请日：2010-08-31
申请人： Advantest Corp , 株式会社アドバンテスト
发明人： KODERA SATOSHI , SHIMIZU TAKAHIKO
IPC分类号： G01R31/28
CPC分类号： G01R31/2839
摘要： PROBLEM TO BE SOLVED: To provide a power supply unit which can flexibly emulate performance of a set power source.SOLUTION: A voltage source 10 generates power supply voltage Vstabilized so as to coincide with a voltage level according to reference voltage Vand supplies the power supply voltage to a DUT 1. A current detection circuit 20 generates detection voltage Vm according to output current Iflowing to the DUT 1. The reference voltage Vgenerated by a reference voltage generation circuit 30 is made an initial voltage level according to input voltage Vin an initial state, and transits to a first voltage level Vwhich is shifted from the initial voltage level by a first voltage width according to the detection voltage Vm when the output current Iflows. Subsequently, the reference voltage Vtransits to a second voltage level Vwhich is shifted from the initial voltage level by a second voltage width according to the detection voltage Vm.
摘要翻译：要解决的问题：提供能够灵活地模拟设定电源的性能的电源单元。解决方案：电压源10产生稳定的电源电压V OUT ，以便与根据参考电压V REF的电压电平相一致并将电源电压提供给DUT 1.电流检测电路20根据流向DUT 1的输出电流I OUT 产生检测电压Vm。由参考电压产生电路30产生的电压V REF 根据输入电压V IN 的初始电压电平状态，并且当输出电流I L1 = “POST”> OUT 流动。随后，参考电压V REF 转换到从初始电压电平移位第二个的第二电压电平V L2 电压宽度根据检测电压Vm。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2006271062A Power supply circuit and testing device 有权
标题翻译：电源电路和测试设备
公开(公告)号：JP2006271062A
公开(公告)日：2006-10-05
申请号：JP2005083581
申请日：2005-03-23
申请人： Advantest Corp , 株式会社アドバンテスト
发明人： KODERA SATOSHI
IPC分类号： H02M3/155
CPC分类号： H02M1/14 , H02M1/44 , H02M3/158 , H02M2001/007
摘要： PROBLEM TO BE SOLVED: To freely select a positive voltage and a negative voltage using a single power supply, which is supplied to a load.
SOLUTION: A power supply circuit which supplies a voltage to a load comprises a power supply for generating a power supply voltage, a positive voltage terminal for outputting a positive voltage based on the power supply voltage, and a negative voltage terminal for outputting a negative voltage whose polarity is different from the positive voltage generated based on the power supply voltage. It also comprises an inversion output circuit for outputting a positive voltage and a negative voltage with the current between the positive voltage terminal and outside and the current between the negative voltage terminal and outside flowing in the same direction, and a voltage drop output circuit which supplies a specified voltage to a load by switching the positive voltage terminal and the negative voltage terminal at a specified duty ratio for connection to a load.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：使用提供给负载的单个电源来自由选择正电压和负电压。解决方案：向负载提供电压的电源电路包括用于产生电源电压的电源，用于基于电源电压输出正电压的正电压端子和用于输出电压的负电压端子极性与基于电源电压产生的正电压不同的负电压。它还包括一个反相输出电路，用于输出正电压和负电压与正电压端和外电之间的电流以及负电压端和外电流在同一方向上流动的电压降输出电路，通过将负电压端子和负电压端子以指定的占空比切换到与负载连接的负载的指定电压。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2010019840A Measuring device, testing device, measuring method 有权
标题翻译：测量装置，测试装置，测量方法
公开(公告)号：JP2010019840A
公开(公告)日：2010-01-28
申请号：JP2009161170
申请日：2009-07-07
申请人： Advantest Corp , 株式会社アドバンテスト
发明人： ANDO HIROKI , MATSUURA KUNIHIRO , KODERA SATOSHI
IPC分类号： G01R31/26 , G01R19/00
CPC分类号： G01R31/31924 , G01R15/002 , G01R15/08 , G01R31/3008
摘要： PROBLEM TO BE SOLVED: To measure a current flowing through a load effectively, while a switch is disconnected when a load current is measured, and while the switch is connected when the load current falls outside of a predetermined reference range.
SOLUTION: The measuring device is provided which measures the current flowing through the load. The device is provided with: a power supply part 32 that outputs the current to the load; a current measuring part 34 which measures the load current flowing between the load and the power supply part; the switch 36 which is connected in parallel with the current measuring part between the load and the power supply part; and a control part which disconnects the switch during measurement of the load current and connects the switch when the load current falls outside of the predetermined reference range.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了测量流过负载的电流，当测量负载电流时开关断开，并且当负载电流超出预定参考范围时连接开关。
解决方案：提供了测量流过负载的电流的测量装置。该装置具有：向负载输出电流的电源部32; 电流测量部件34，其测量在负载和电源部件之间流动的负载电流; 与负载和电源部之间的电流测量部并联连接的开关36; 以及在负载电流测量期间断开开关的控制部分，并且当负载电流超出预定参考范围时连接开关。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2006288046A Power supply circuit and testing apparatus 有权
标题翻译：电源电路和测试装置
公开(公告)号：JP2006288046A
公开(公告)日：2006-10-19
申请号：JP2005103403
申请日：2005-03-31
申请人： Advantest Corp , 株式会社アドバンテスト
发明人： KODERA SATOSHI
IPC分类号： H02M3/155
CPC分类号： H02M3/158 , G01R31/3004 , H02M2001/007
摘要： PROBLEM TO BE SOLVED: To freely select a positive voltage and a negative voltage to be supplied to a load using a single power supply, and to expand a range of the voltage supplied to the load.
SOLUTION: This power supply circuit, supplying a voltage to a load, has a power supply for generating a power supply voltage, a positive voltage terminal for outputting a positive voltage on the basis of the power supply voltage, and a negative voltage terminal which is generated on the basis of the power supply voltage, outputs the negative voltage whose polarity is different from the positive voltage, and which includes an inversion output circuit for outputting the positive voltage and the negative voltage while a current between the positive voltage terminal and an outside, and a current between the negative voltage terminal and the outside flow in the same direction; a step-down voltage output circuit for outputting a predetermined step-down output voltage to the outside by switching the positive voltage terminal and the negative voltage terminal at a predetermined duty ratio so as to be connected to the outside; and a booster output circuit for supplying a booster output voltage larger in an absolute value than the step-down output voltage to the load by switching connection of the step-down voltage output circuit to the load, at the predetermined duty ratio.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：使用单个电源自由选择要提供给负载的正电压和负电压，并扩大提供给负载的电压的范围。解决方案：向负载提供电压的该电源电路具有用于产生电源电压的电源，用于基于电源电压输出正电压的正电压端子和负电压基于电源电压产生的端子，输出极性与正电压不同的负电压，并且包括用于输出正电压和负电压的反相输出电路，同时正电压端子外侧，负电压端子和外部电流之间的电流沿相同方向; 降压电压输出电路，用于以预定的占空比切换正电压端子和负电压端子以向外部输出预定的降压输出电压以连接到外部; 以及升压器输出电路，用于以预定占空比切换降压电压输出电路与负载的连接，将比绝对值大的降压输出电压的升压器输出电压提供给负载。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2008287549A Voltage generation device and direct current testing device using the same 审中-公开
标题翻译：使用该电压产生装置和直流电流测试装置
公开(公告)号：JP2008287549A
公开(公告)日：2008-11-27
申请号：JP2007132586
申请日：2007-05-18
申请人： Advantest Corp , 株式会社アドバンテスト
发明人： KODERA SATOSHI
IPC分类号： G05F1/10 , G01R19/00
CPC分类号： G01R31/2841 , G01R31/31924
摘要： PROBLEM TO BE SOLVED: To solve the problem that an output voltage fluctuates, when load fluctuates.
SOLUTION: This voltage generation device 100 generates an output voltage Vout based on an input voltage Vin. A voltage generating part 10 includes a first arithmetic amplifier 12 for receiving both the input voltage Vin and a feedback voltage Vfb, corresponding to the output voltage Vout. The voltage generation part 10 stabilizes an output voltage Vout so that an imaginary shorting can be established in the first arithmetic amplifier 12. An output capacitor C1 smoothes out the output voltage Vout generated by the voltage generation part 10. A detection signal generating part 20 detects currents Ic flowing through the output capacitor C1, and generates a detection signal Vs corresponding to the detected currents Ic. An addition/subtraction circuit 30 superimposes the detection signal Vs, on at least either the input or the output of the first arithmetic amplifier 12.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了解决输出电压波动的问题，当负载波动时。解决方案：该电压产生装置100基于输入电压Vin产生输出电压Vout。电压产生部分10包括用于接收对应于输出电压Vout的输入电压Vin和反馈电压Vfb的第一运算放大器12。电压产生部分10稳定输出电压Vout，使得可以在第一运算放大器12中建立虚拟短路。输出电容器C1平滑由电压产生部分10产生的输出电压Vout。检测信号产生部分20检测电流Ic流过输出电容器C1，并产生与检测电流Ic对应的检测信号Vs。加法/减法电路30将检测信号Vs叠加在第一运算放大器12的输入或输出的至少一个上。（C）2009，JPO和INPIT

7. 发明专利

JP2008145422A Direct current measuring device and limiting circuit 有权
标题翻译：直流电流测量装置和极限电路
公开(公告)号：JP2008145422A
公开(公告)日：2008-06-26
申请号：JP2007290673
申请日：2007-11-08
申请人： Advantest Corp , 株式会社アドバンテスト
发明人： KODERA SATOSHI
IPC分类号： G01R31/26 , G01R19/165 , G01R31/28
摘要： PROBLEM TO BE SOLVED: To provide direct current measuring device which can improve settling performance per preset limiting value of the current to contribute to speeding up and increase in precision during current measurement or the like. SOLUTION: This invented device is equipped with voltage generating section 1 for generating voltage to be impressed on the load 4 as measuring object, current limiting section 6 for limiting current which flows into the load 4 to the default setting, and output terminal 3 for connecting the load 4. The current limiting section 6 comprises D/A (Digital to Analog) converter 61, positive side limiting circuit 62, D/A converter 63, and negative side limiting circuit 64. The positive side limiting circuit 62 has negative feedback loop which includes condenser Cc and buffer circuit 65 in addition to feedback resistor R3p. Output of the positive side limiting circuit 62 is connected to non-inverting input terminal of main amplifier 12 through diode Dc1. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供直流电流测量装置，其可以提高每个预设限制电流的稳定性，以有助于在电流测量等期间加速和提高精度。解决方案：本发明装置配备有用于产生施加在作为测量对象的负载4上的电压的电压产生部分1，用于将流入负载4的电流限制为默认设置的电流限制部分6以及输出端子电流限制部分6包括D / A（数模转换器）转换器61，正极限制电路62，D / A转换器63和负侧限制电路64.正侧限制电路62具有负反馈回路，除了反馈电阻器R3p之外还包括电容器Cc和缓冲电路65。正侧限制电路62的输出通过二极管Dc1连接到主放大器12的非反相输入端子。版权所有（C）2008，JPO＆INPIT

8. 发明专利

JP2007195310A Noise eliminating device, power supply device, and testing device 有权
标题翻译：噪声消除装置，电源装置和测试装置
公开(公告)号：JP2007195310A
公开(公告)日：2007-08-02
申请号：JP2006010210
申请日：2006-01-18
申请人： Advantest Corp , 株式会社アドバンテスト
发明人： KODERA SATOSHI
IPC分类号： H02M3/155
摘要： PROBLEM TO BE SOLVED: To efficiently eliminate noise superimposed on the input voltage of a power supply for outputting an output voltage in correspondence with an input voltage and generate less noisy output voltage.
SOLUTION: A noise eliminating device is configured to eliminate a noise component superimposed on input voltage. The noise eliminating device includes: a transistor that receives an input voltage at either of its drain terminal and its source terminal and outputs an output voltage corresponding to the input voltage from the other of its drain terminal and its source terminal; and a control unit that generates and outputs a control voltage to be inputted to the gate terminal of the transistor based on the input voltage and the output voltage so that the difference between the direct-current component of the input voltage and the output voltage becomes equal to a certain reference voltage.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了有效地消除叠加在电源的输入电压上的噪声，用于输出与输入电压相对应的输出电压，并产生较小的噪声输出电压。解决方案：噪声消除装置被配置为消除叠加在输入电压上的噪声分量。噪声消除装置包括：晶体管，其在其漏极端子及其源极端子中的任一个处接收输入电压，并且从其漏极端子及其源极端子输出对应于输入电压的输出电压; 以及控制单元，其基于输入电压和输出电压生成并输出要输入到晶体管的栅极端子的控制电压，使得输入电压的直流分量与输出电压之间的差成为相等达到一定的参考电压。版权所有（C）2007，JPO＆INPIT

9. 发明专利

JP2007181019A Power amplification circuit and testing apparatus 有权
标题翻译：功率放大电路和测试装置
公开(公告)号：JP2007181019A
公开(公告)日：2007-07-12
申请号：JP2005378478
申请日：2005-12-28
申请人： Advantest Corp , 株式会社アドバンテスト
发明人： KODERA SATOSHI
IPC分类号： H03F3/30 , H03F3/21
CPC分类号： H03F3/183 , H03F3/3076 , H03F2203/30021 , H03F2203/30078 , H03F2203/30111
摘要： PROBLEM TO BE SOLVED: To supply power to a load stably.
SOLUTION: A power amplification circuit applies an output voltage according to a given input voltage to the load. The power amplification circuit is provided with an amplification portion which connects an output end to the load and outputs the output voltage according to the input voltage, a source-side power source path which supplies a current for the amplification portion to output from the output end to the amplification portion, a sink-side power source path which supplies a current for the amplification portion to be led to the amplification portion from the output end, a source side capacitor which is connected between the output end of the amplification portion and the source-side power source path, and a sink side capacitor which is connected between the output end of the amplification portion and the sink-side power source path.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为负载供电稳定。解决方案：功率放大电路根据给定的输入电压向负载施加输出电压。功率放大电路设置有放大部分，该放大部分将输出端连接到负载，并根据输入电压输出输出电压;源极侧电源路径，用于将放大部分的电流从输出端输出向放大部分提供从输出端向放大部分供给放大部分的电流的漏极侧电源路径，连接在放大部分的输出端和源极之间的源极侧电容器侧电源路径以及连接在放大部的输出端和吸收侧电源路径之间的吸收侧电容器。版权所有（C）2007，JPO＆INPIT

10. 发明专利

JP2006222770A POWER AMPLIFYING CIRCUIT AND TESTING DEVICE 审中-公开
公开(公告)号：JP2006222770A
公开(公告)日：2006-08-24
申请号：JP2005034686
申请日：2005-02-10
申请人： ADVANTEST CORP
发明人： KODERA SATOSHI
IPC分类号： H03F3/30 , G01R31/28 , H03F3/34
摘要： PROBLEM TO BE SOLVED: To provide a power amplifying circuit where an idling current becomes a prescribed value, regardless of the characteristics of the transistor of the output stage. SOLUTION: The power amplifier circuit is provided with a positive-side output resistor and a negative-side output resistor connected in series, capable of outputting voltage on a node as output voltage; a positive side transistor for allowing a current, corresponding to gate voltage, to flow into the positive-side output resistor; a negative-side transistor for allowing the current, corresponding to gate voltage, to flow into the negative side output resistor; a bias generating part for generating a positive-side bias voltage and a negative-side bias voltage corresponding to input voltage; a positive-side control part for controlling voltage to be applied to the gate terminal of the positive-side transistor so that the positive-side bias voltage becomes substantially the same as the source voltage of the positive-side transistor; and a negative-side control part for controlling the voltage, to be applied to the gate terminal of the negative-side transistor so that the negative side bias voltage becomes substantially the same as the source voltage of the negative-side transistor. COPYRIGHT: (C)2006,JPO&NCIPI

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