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This paper presents an analog checker whose error threshold can be adaptively adjusted according to its input signal levels. In addition, the proposed circuit can be programmed to implement different adaptive schemes. Factors that affect the stability and accuracy of the proposed design are investigated. Finally, simulation results are presented.
This paper discusses the challenge of designing window comparators for analog online testing applications. A programmable window comparator with adaptive error threshold is presented. Experimental results demonstrate that improved fault detection capability is achieved by using the proposed design. Measurement results of the fabricated comparator circuit are also presented.
This paper presents a novel window comparator circuit whose error threshold can be adaptively adjusted according to its input signal levels. It is ideal for analog online testing applications. Advantages of adaptive comparator error thresholds over constant or relative error thresholds in analog testing applications are discussed. Analytical equations for guiding the design of proposed comparator...
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