CAD system and algorithms
CAD tool require learning its underlying models and its algorithms.A brief word about design representation in CAD system There are two ways to organise a collection of CAD tools.In a database system, information is stored in a central set of files and access to that information is provided through a set of standard routine. A database driven CAD system is sometimes referred to as a hub -and-spoke system becouse all tools talk to the central database and see a common representation for the design. CAD design data may be thought of as structural description -graph,geometric etc. Functional behaviour is often stored as either a simple data flow graph or as a more general control data flow graph [Sno78], which includes both data flow and sequencing information. One important function of integrated CAD system is back annotation the amendment of a description usually a circuit...