Electrical overstress and transient latch-up pulse...

Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – For fault location

Reexamination Certificate

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C702S124000

Reexamination Certificate

active

07928737

ABSTRACT:
A circuit arrangement, system, and method to test a device with a plurality of pins for electric overstress and transient induced latch-up characteristics. The circuit arrangement includes an inverting operational amplifier with a unity gain to receive a triggering signal and supply an inverted signal to a power amplifier. The power amplifier transforms the inverted signal into a test signal, which is received by a ratio circuit. The test signal is further operable to test the electric overstress and transient induced latch-up characteristics of the device. The ratio circuit transforms the test signal into a ratio signal. The ratio signal has a voltage magnitude that corresponds to the current magnitude of the test signal. The test signal and ratio signal are measured to determine if, during testing, the device or a component of the device has failed.

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