Optimal Method for Catastrophic Faults Diagnosis inRC Ladder Network

The RC ladder network has been analyzed for various catastrophic fault detection using minimal number of measurements.Generally, electronic circuit testing procedure is very exhaustive and includes higher cost; the presented approach will save faultdiagnosis time. It is not possible to analyze the big RC ladder network to give the good fault coverage, so the ladder network hasbeen broken into segments of different sizes. However, if segment size is small, it will cause more area overhead compared to biggerstep size in terms of the interconnections and pins on the integrated circuit. A systematic and detailed analysis for one-step, two-step, three-step, and four-step RC ladder networks has been carried out for various faults and optimal step size is proposed. It hasbeen investigated that three measurements are optimal to localize different catastrophic faults in a RC ladder network