A.gnieozka KONCZYXWSKA. niche1 BON Centre National d'Etudes des l4l&xmmunicatioru Wratoirs de Baqneux 196, N e Rsvera. 92220 BAGNEOX. FRANCE This paper prssents en -ieu of the syrbolic approach for circuit simulation end describes ita trro d n applicatim arean : ( 1 ) fnrt rspetitins Uulysis, auch U noadad for statistical analysis .ad optirixatim, ani ( 2 ) circuit design m i s t a d by artificial intelligmzce end related t.chaiw. such U for n e w circuit arrhitectun iovrstiqetion.
T w ddicatsd fuIly s m l i c simulators arm JIM daurihed i r p l u a t i n g t h i s syrbolicapproach: SCY?lBAL. a simulator for switched-capacitor circuit. (SCNa) ani the first mtalirhrd of its kiod, and SYBILIN. a simulator for -log sic-circuits (HICs,hXICs,. . . I . To illustrate the new c a m i l l t i e 8 off-to dasiguara by t h . w syatalic simulators, prartical design task#, carriod cut vith the help of ScpneAL .ad SYBILIN in both &aim of cmputsr intamive repetitive mrlyaia a& avtoutad architectum gsau.tim ani optimization. are a1.o prs.ult6.i.