THE TECHNICAL CONDITION DETERMINATION OF DIGITAL TYPICAL REPLACEMENT ELEMENTS USING ELECTROMAGNETIC DIAGNOSIS METHODS

Valerii V. Shevchenko

Abstract


The paper proposes to conduct diagnosis of digital typical elements that are the basis for the construction of modern radio electronic means of armament using the new electromagnetic method of removing diagnostic information. The advantage of this method is the relative simplicity and the time of diagnostic information receiving – the one diagnostic parameter without using output pins of digital typical elements, as specified by many known methods. Therefore, the use of the electromagnetic method of removal diagnostic information and methods of localization of the digital defective of typical element was developed on the basis of conditional diagnosis algorithm will make possible significantly (10-15%) decrease the average time of digital typical element recovery. To determine the technical condition of the digital typical element it is necessary to calculate the value of diagnostic parameter as the response of digital typical element to the particular verification test. To solve this problem it is necessary to obtain the expression for determining the electromagnetic field around the digital typical element, it depends on the electric current of output circuit of logic element of digital typical element, calculation of which is given in this paper.

Keywords


typical elements of replacement; digital devices; control of technical condition; parameters diagnostics

References


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