Electronic Circuit board testing system and method

Details Electronic Circuit board testing system and method Electronic Circuit board testing system and method

1987-02-27

1988-12-13

Karlsen, Ernest F.

Electricity: measuring and testing

Plural, automatically sequential tests

371 25, G01R 3128

Patent

active

047913576

ABSTRACT:
An Electronic Circuit testing system and method in which a test pattern is applied to an electronic circuit and captured by a sample capturing device. The test pattern is simultaneously applied to a functional schematic model of the electronic circuit under test and a calculated output signal representing the correct signal output of the electronic circuit is generated. The calculated output signal and the captured output signals are then compared to determine the signal changes for a given period of time. In comparing the two signals the number of transitions or tolerance differences of the two signals is determined and a malfunction in the signal is indicated by an excess of signal changes or tolerance differences. The method and the apparatus can also be applied to the design or a generation of electronic circuits.

REFERENCES:
patent: 4687988 (1987-08-01), Eichelberger et al.

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