Precision integrated resistors

Details Precision integrated resistors Precision integrated resistors

1993-06-15

1995-06-27

Wieder, Kenneth A.

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of individual circuit component or element

257419, G01R 104

Patent

active

054282977

ABSTRACT:
Pin electronics for an IC tester are built as an integrated circuit for characterizing the electrical operation of a device under test (DUT) by applying a test voltage to each of the pins on the DUT and measuring each resulting current. Typically, an IC tester selects one of several measure resistors, applies a stimulus to a pin of the DUT using an input driver, and measures the current response of the DUT through the related measure resistor. Each measure resistor corresponds to a specific current range and measurement accuracy is proportional to the precision of the selected resistor. Each measure resistor is a series of precision integrated resistors having a very low leakage current. This provides for current measurements of high sensitivity.

REFERENCES:
patent: 5189505 (1993-02-01), Bartelink

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