PRINTED-SUBSTRATE DESIGN SYSTEM, AND PRINTED-SUBSTRATE DESIGN METHOD

摘要

A printed-substrate design system designs a substrate configuration of a printed substrate on which ICs and passive components are to be mounted and to which a cable is to be connected. This printed-substrate design system comprises: an input unit; an EMI characteristics derivation unit for deriving EMI characteristics from printed-substrate design information received as input from the input unit; a determination criteria storage unit for storing EMI allowance conditions; an EMI conditions determination unit for comparing the EMI characteristics and the EMI allowance conditions and determining whether the EMI characteristics satisfy the EMI allowance conditions; a substrate configuration modification unit for modifying the internal configuration of the printed substrate when it has been determined that the EMI allowance conditions have not been satisfied, and setting the design information of the printed substrate having a re-modified structure to design information for deriving EMI characteristics in the EMI characteristics derivation unit; and an output unit for outputting the configuration of the printed substrate for which the EMI characteristics have been satisfied when it has been determined that the EMI allowance conditions have been satisfied.