Fault detection method for the subcircuits of a cascade linear circuit

The fault detection method for the subcircuits of a cascade linear circuit is discussed. While there is any fault (either “hard” or “soft” and either “single” or “multiple”) at one subcircuit of a cascade linear circuit, it can be quickly detected by using the method proposed. While there are faults simultaneously existing at multiple subcircuits, they can generally be detected by the searching approach proposed here. The aforementioned method is the continuation and development of the unified fault detection dictionary method for linear circuits proposed previously by the authors (see ibid., vol. 46, Oct. 1999)