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    • 1. 发明授权
    • Test system apparatus with Schottky diodes with programmable voltages
    • 具有可编程电压的肖特基二极管的测试系统设备
    • US5200696A
    • 1993-04-06
    • US756325
    • 1991-09-06
    • David MenisHarold S. VitalePhillip D. BurlisonWilliam R. DeHaven
    • David MenisHarold S. VitalePhillip D. BurlisonWilliam R. DeHaven
    • G01R31/28G01R31/319
    • G01R31/31924G01R31/2844
    • An apparatus for a test system for testing an electronic circuit. The apparatus includes an interconnect path, a comparator, a programmable apparatus, a first Schottky diode, and a second Schottky diode. The interconnect path has a first end and a second end. The first end of the interconnect path is coupled to the electronic circuit under test. The interconnect path transmits a signal from the electronic circuit under test to the second end of the interconnect path. The comparator is coupled to the second end of the interconnect path for receiving and comparing the signal from the electronic circuit under test with a reference voltage. The comparator has a high input impedance. The comparator provides an output signal to the test system. The programmable apparatus provides a selectable first voltage and a selectable second voltage. A first Schottky diode is provided for reducing ringing of the signal from the electronic circuit under test. A first end of the first Schottky diode is coupled to the interconnect path at a point near the comparator. A second end of the first Schottky diode is coupled to the selectable first voltage. A second Schottky diode is provided for reducing ringing of the signal from the electronic circuit under test. A first end of the second Schottky diode is coupled to the selectable second voltage. The second end of the second Schottky diode is coupled to the interconnect path at a point near the comparator.
    • 一种用于测试电子电路的测试系统的装置。 该装置包括互连路径,比较器,可编程装置,第一肖特基二极管和第二肖特基二极管。 互连路径具有第一端和第二端。 互连路径的第一端耦合到被测电子电路。 互连路径将来自被测电子电路的信号发送到互连路径的第二端。 比较器耦合到互连路径的第二端,用于接收和比较来自被测电子电路的信号和参考电压。 比较器具有高输入阻抗。 比较器向测试系统提供输出信号。 可编程装置提供可选择的第一电压和可选择的第二电压。 提供第一肖特基二极管用于减少来自被测电子电路的信号振铃。 第一肖特基二极管的第一端在靠近比较器的点处耦合到互连路径。 第一肖特基二极管的第二端耦合到可选择的第一电压。 第二肖特基二极管用于减少来自被测电子电路的信号的振铃。 第二肖特基二极管的第一端耦合到可选择的第二电压。 第二肖特基二极管的第二端在靠近比较器的点处耦合到互连路径。
    • 2. 发明授权
    • Single platform electronic tester
    • 单平台电子测试仪
    • US07191368B1
    • 2007-03-13
    • US09938157
    • 2001-08-22
    • Donald V. OrganKenneth J. LanierRoger W. BlethenH. Neil KellyMichael G. DavisJeffrey H. PerkinsTommie BerryPhillip BurlisonMark DeomeChristopher J. HannafordEdward J. TerrenziDavid MenisDavid W. CurryEric Rosenfeld
    • Donald V. OrganKenneth J. LanierRoger W. BlethenH. Neil KellyMichael G. DavisJeffrey H. PerkinsTommie BerryPhillip BurlisonMark DeomeChristopher J. HannafordEdward J. TerrenziDavid MenisDavid W. CurryEric Rosenfeld
    • G06F11/00
    • G01R1/025G01R31/2834G01R31/319
    • An electronic tester with digital, and analog, and memory test circuitry on a single platform. A test head is coupled to a device under test. The device under test can be a system-on-a-chip integrated circuit, a mixed signal integrated circuit, a digital integrated circuit, or an analog integrated circuit. Digital test circuitry applies digital test signals to the device under test coupled to the test head and receives digital outputs from the device under test in response to the digital test signals. Analog test circuitry applies analog test signals to the device under test coupled to the test head and receives analog outputs from the device under test in response to the analog test signals. Memory test circuitry applies memory test patterns to the device under test coupled to the test head and receives memory outputs from the device under test in response to the memory test patterns. A tester computer supervises the application of digital, analog, and memory test signals from the digital, analog, and memory test circuitry to the device under test such that signals applied to the device under test can be solely digital test signals, solely analog test signals, solely memory test signals, or mixed digital, analog, and memory test signals. The test head, the digital test circuitry, the analog test circuitry, the memory test circuitry, and the computer are operable as a single platform.
    • 一个电子测试仪,在单个平台上具有数字,模拟和内存测试电路。 测试头耦合到被测设备。 被测器件可以是片上系统集成电路,混合信号集成电路,数字集成电路或模拟集成电路。 数字测试电路将数字测试信号应用于与测试头相连的被测器件,并响应于数字测试信号接收来自被测器件的数字输出。 模拟测试电路将模拟测试信号应用于与测试头耦合的待测器件,并根据模拟测试信号接收来自被测器件的模拟输出。 存储器测试电路将内存测试模式应用到与测试头耦合的待测器件,并响应于存储器测试模式接收来自被测器件的存储器输出。 测试计算机监控从数字,模拟和存储器测试电路到被测器件的数字,模拟和存储器测试信号的应用,使得施加到被测器件的信号可以是单独的数字测试信号,只有模拟测试信号 ,单独记忆测试信号,或混合数字,模拟和存储器测试信号。 测试头,数字测试电路,模拟测试电路,存储器测试电路和计算机可操作为单个平台。
    • 3. 发明授权
    • Single platform electronic tester
    • 单平台电子测试仪
    • US06675339B1
    • 2004-01-06
    • US09935453
    • 2001-08-22
    • Kenneth J. LanierRoger W. BlethenH. Neil KellyMichael G. DavisJeffrey H. PerkinsTommie BerryPhillip BurlisonMark DeomeChristopher J. HannafordEdward J. TerrenziDavid MenisDavid W. CurryEric Rosenfeld
    • Kenneth J. LanierRoger W. BlethenH. Neil KellyMichael G. DavisJeffrey H. PerkinsTommie BerryPhillip BurlisonMark DeomeChristopher J. HannafordEdward J. TerrenziDavid MenisDavid W. CurryEric Rosenfeld
    • G01R3128
    • G01R1/025G01R31/2834G01R31/319
    • An electronic tester with digital, and analog, and memory test circuitry on a single platform. A test head is coupled to a device under test. The device under test can be a system-on-a-chip integrated circuit, a mixed signal integrated circuit, a digital integrated circuit, or an analog integrated circuit. Digital test circuitry applies digital test signals to the device under test coupled to the test head and receives digital outputs from the device under test in response to the digital test signals. Analog test circuitry applies analog test signals to the device under test coupled to the test head and receives analog outputs from the device under test in response to the analog test signals. Memory test circuitry applies memory test patters to the device under test coupled to the test head and receives memory outputs from the device under test in response to the memory test patterns. A tester computer supervises the application of digital, analog, and memory test signals from the digital, analog, and memory test circuitry to the device under test such that signals applied to the device under test can be solely digital test signals, solely analog test signals, solely memory test signals, or mixed digital, analog, and memory test signals. The test head, the digital test circuitry, the analog test circuitry, the memory test circuitry, and the computer are operable as a single platform.
    • 一个电子测试仪,在单个平台上具有数字,模拟和内存测试电路。 测试头耦合到被测设备。 被测器件可以是片上系统集成电路,混合信号集成电路,数字集成电路或模拟集成电路。 数字测试电路将数字测试信号应用于与测试头相连的被测器件,并响应于数字测试信号接收来自被测器件的数字输出。 模拟测试电路将模拟测试信号应用于与测试头耦合的待测器件,并根据模拟测试信号接收来自被测器件的模拟输出。 存储器测试电路将存储器测试图案应用于被测器件,耦合到测试头,并响应于存储器测试模式接收来自被测器件的存储器输出。 测试计算机监控从数字,模拟和存储器测试电路到被测器件的数字,模拟和存储器测试信号的应用,使得施加到被测器件的信号可以是单独的数字测试信号,只有模拟测试信号 ,单独记忆测试信号,或混合数字,模拟和存储器测试信号。 测试头,数字测试电路,模拟测试电路,存储器测试电路和计算机可操作为单个平台。
    • 6. 发明授权
    • Single platform electronic tester
    • 单平台电子测试仪
    • US06449741B1
    • 2002-09-10
    • US09183038
    • 1998-10-30
    • Donald V. OrganKenneth J. LanierRoger W. BlethenH. Neil KellyMichael G. DavisJeffrey H. PerkinsTommie BerryPhillip BurlisonMark DeomeChristopher J. HannafordEdward J. TerrenziDavid MenisDavid W. CurryEric Rosenfeld
    • Donald V. OrganKenneth J. LanierRoger W. BlethenH. Neil KellyMichael G. DavisJeffrey H. PerkinsTommie BerryPhillip BurlisonMark DeomeChristopher J. HannafordEdward J. TerrenziDavid MenisDavid W. CurryEric Rosenfeld
    • H02H305
    • G01R1/025G01R31/2834G01R31/319
    • An electronic tester with digital, and analog, and memory test circuitry on a single platform. A test head is coupled to a device under test. The device under test can be a system-on-a-chip integrated circuit, a mixed signal integrated circuit, a digital integrated circuit, or an analog integrated circuit. Digital test circuitry applies digital test signals to the device under test coupled to the test head and receives digital outputs from the device under test in response to the digital test signals. Analog test circuitry applies analog test signals to the device under test coupled to the test head and receives analog outputs from the device under test in response to the analog test signals. Memory test circuitry applies memory test patterns to the device under test coupled to the test head and receives memory outputs from the device under test in response to the memory test patterns. A tester computer supervises the application of digital, analog, and memory test signals from the digital, analog, and memory test circuitry to the device under test such that signals applied to the device under test can be solely digital test signals, solely analog test signals, solely memory test signals, or mixed digital, analog, and memory test signals. The test head, the digital test circuitry, the analog test circuitry, the memory test circuitry, and the computer are operable as a single platform.
    • 一个电子测试仪,在单个平台上具有数字,模拟和内存测试电路。 测试头耦合到被测设备。 被测器件可以是片上系统集成电路,混合信号集成电路,数字集成电路或模拟集成电路。 数字测试电路将数字测试信号应用于与测试头相连的被测器件,并响应于数字测试信号接收来自被测器件的数字输出。 模拟测试电路将模拟测试信号应用于与测试头耦合的待测器件,并根据模拟测试信号接收来自被测器件的模拟输出。 存储器测试电路将内存测试模式应用到与测试头耦合的待测器件,并响应于存储器测试模式接收来自被测器件的存储器输出。 测试计算机监控从数字,模拟和存储器测试电路到被测器件的数字,模拟和存储器测试信号的应用,使得施加到被测器件的信号可以是单独的数字测试信号,只有模拟测试信号 ,单独记忆测试信号,或混合数字,模拟和存储器测试信号。 测试头,数字测试电路,模拟测试电路,存储器测试电路和计算机可操作为单个平台。