2014
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Invention
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Isolated high speed switch. A circuit structured to drive an isolated high speed voltage metal-ox... |
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Invention
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Configurable bias tee. Bias tees, according to certain embodiments of the present invention, incl... |
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Invention
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Active shunt source-measure unit (smu) circuit. An active shunt source-measure unit (SMU) circuit... |
2013
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Invention
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Guarded printed circuit board islands. A device with low dielectric absorption includes a printed... |
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Invention
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Nanovolt amplifier design. A circuit can include operational amplifier having a first input, a se... |
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Invention
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Isolation transformer for use in isolated dc-to-dc switching power supply. An isolated DC-to-DC s... |
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Invention
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Smu rf transistor stability arrangement. An RF testing method and system by which a DC measuremen... |
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Invention
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Digital voltmeter topology. A system may include two input terminals, e.g., HI and LO, and a floa... |
2012
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Invention
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High voltage protection module.
A high voltage protection module can include a housing having tw... |
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G/S
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Electronic test instruments, namely, combined DC voltage and current generators and multimeters f... |
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Invention
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Power envelope controller and method. A power envelope controller configured for use with an ampl... |
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Invention
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High gain, high voltage power amplifier. An opto-isolated amplifier and method are disclosed. The... |
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G/S
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Providing repair and maintenance services for electrical and electronic apparatus, including comp... |
2011
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Invention
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Dc-ac probe card topology. A DC-AC probe card for testing a DUT includes: a plurality of probe ne... |
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Invention
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Coaxial cable multiplexor. A multiplexor includes an output having a characteristic impedance; a ... |
2009
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Invention
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Method for load-line correction of pulsed measurements. A method for operating a measurement syst... |
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Invention
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High speed ac current source. An apparatus for testing a DUT includes a pulsed signal source; a h... |
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Invention
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Measurement system with high frequency ground switch. A system for making high frequency measurem... |
2008
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Invention
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Impedance meter calibration. A method for verifying the adjustment for the purpose of calibration... |
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Invention
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Instrument per pin test head. A test head for testing a DUT includes a probe card having a plural... |
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Invention
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Result directed diagnostic method and system. Provided is a method and system for diagnosing a te... |
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Invention
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Parallel testing in a per-pin hardware architecture platform. Provided is a method and system for... |
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Invention
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Test recipe distribution method and system. Provided is a method and system for distributing a te... |
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Invention
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Cable length correction. A transmission line impedance compensation method includes the step of p... |
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Invention
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Low noise and common mode current power supply. A power supply includes: a switching amplifier in... |
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Invention
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Dual shielded relay. Provided is a relay that includes first and second contacts that are selecti... |
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Invention
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Ultra-low current printed circuit board. Provided is printed circuit board for minimizing dielect... |
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Invention
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Low glitch multiple form c summing node switcher. A measurement system with selectable feedback p... |
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Invention
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Ac low current probe card. A probe system for connecting a measurement apparatus to a DUT include... |
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Invention
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Active autoranging current sensing circuit. A range-changing circuit for a measurement device hav... |
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Invention
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Dual output stage source measure circuit. A circuit for alternatively controlling a current throu... |
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Invention
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Switch matrix. A switch matrix for selectively connecting at least one of N signal inputs to at l... |
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Invention
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Impedance measuring instrument. A measurement instrument for measuring the impedance of a device ... |
2007
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Invention
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High capacitance load testing. A circuit for controlling a voltage across a device and permitting... |
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Invention
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Dielectric absorption compensation for a measurement instrument. A method for compensating for a ... |
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Invention
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Output leakage compensation and method for implementing the same. An electronic instrument having... |
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Invention
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Test instrument network. A test instrument network for testing a plurality of DUTs includes a plu... |
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Invention
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Java applet management method. A method for managing Java applets in HTML pages, the HTML pages b... |
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Invention
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Variable bandwidth dc bias for ac measurement system. A method for controlling a measurement syst... |
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Invention
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Digital feedthrough cancellation. A method for operating a DAC to minimize digital feedthrough in... |
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Invention
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Phase-gain calibration of impedance/admittance meter. A method for calibrating an impedance/admit... |
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Invention
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Multi-pin cv measurement. A method for measuring electrical parameters of a DUT having at least t... |
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Invention
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Low leakage inductance transformer. A toroidal step-up or step-down transformer includes a toroid... |
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Invention
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Digital auto balance bridge. An AC impedance measurement system is used for measuring the impedan... |
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Invention
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Measurement instrument with synchronized interference signals. An instrument for measuring electr... |
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Invention
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Power mains zero-crossing detector. A zero-crossing detector includes a pair of input terminals, ... |
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Invention
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Method for calibration adjustment verification. A method for verifying the adjustment of a plural... |
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Invention
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Combined pulse and dc test system. A system for making HF and DC measurements on a DUT includes a... |
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Invention
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Pulsed i-v measurement method and apparatus. A method and apparatus for measuring a pulsed I-V ch... |
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Invention
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High speed solid state switch. A solid state switch includes a solid state device having an input... |
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Invention
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Triaxial cable with a resistive inner shield. A triaxial cable having a center conductor; an oute... |
2006
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G/S
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Signal analyzers; apparatus and instruments for measuring, testing, and calibration; signal gener... |
2005
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Invention
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Parallel test architecture. A measurement system for testing a DUT includes a plurality of proced... |
1966
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G/S
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Measuring and scientific apparatus comprising electrical and electronic apparatus namely, signal ... |