CAD SYSTEM, CONTROL METHOD OF CAD SYSTEM, AND CAD SYSTEM PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a CAD system capable of rapidly and easily presenting a transmission loss of a pattern to a designer.;SOLUTION: The CAD system comprises a layout information storage section for storing layout information including an identification name for identifying each pattern in a printed board, and the pattern length of each pattern; A board configuration storage section storing board configuration information including the cross-sectional structure of the printed board and electric characteristics of a board material; an allowable loss storage section for storing allowable transmission loss and specified frequency in association with the identification names; a transmission loss computing section for computing the transmission loss of the specified pattern based on the layout information and board configuration information; a determining section for determining whether the computed transmission loss is within a range of the allowable transmission loss; and a display control section for displaying the result determined by the determining section, on a display part.;COPYRIGHT: (C)2008,JPO&INPIT