Abstract

We have proposed a method for diagnosing analog circuits, which is realized by combining the operation-region model and the X-Y zoning method. In the method, since we developed a data processing method to handle data discretely, we cloud implement a diagnosis procedure based on the preset test which is a diagnostic method for digital circuits. In this paper, we analyze results of the proposed diagnosis method by changing several parameters for diagnosing a circuit and show their characteristics. Moreover, we propose a new data processing method to obtain a short diagnostic sequence length. We demonstrate the effectiveness of the proposed method by applying it to ITC'97 benchmark circuits with hard faults and soft faults.

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