please help improve it or discuss these issues on the talk page . learn how and when to remove these template messages the topic of this article may not meet wikipedia s notability guidelines for companies and organizations . please help to establish notability by citing reliable secondary sources that are independent of the topic and provide significant coverage of it beyond its mere trivial mention . if notability can not be established the article is likely to be merged redirected or deleted . find sources spectrum software news newspapers books scholar jstor free images may 2011 learn how and when to remove this template message this article needs additional citations for verification . please help improve this article by adding citations to reliable sources . unsourced material may be challenged and removed . may 2011 learn how and when to remove this template message learn how and when to remove this template message spectrum software type software industry software founded february 1980 founder andy thompson headquarters sunnyvale california usa website www.spectrum soft.com spectrum software is a software company based in california whose main focus is electrical simulation and analysis tools most notably the circuit simulator micro cap . 1 it was founded in february 1980 by andy thompson . initially the company concentrated on providing software for apple ii systems . one of the earliest products was logic designer and simulator . released in june 1980 this product was the first integrated circuit editor and logic simulation system available for personal computers . in many ways it was the forerunner of the micro cap products . its primary goal was to provide a circuit creation and simulation environment for digital simulation . in august 1981 the analog equivalent of the first program circuit designer and simulator was released . its integrated text editor created circuit descriptions for a simple linear analog simulator . september 1982 saw the release of the first micro cap package as a successor to the circuit designer and simulator . the name micro cap was derived from the term microcomputer circuit analysis program . references edit thompson andy . micro cap an analog circuit design system for personal computers . ieee computer society . ieee . micro cap an analog circuit design system for personal computers spice programs computerized circuit analysis for analog ees analysis of digital filters via spice family programs modeling iij noise in hemts with spice based micro cap ac analysis of idealized switched capacitor circuits in spice compatible programs white paper a new zobel network for audio get more power with a boosted triode external links edit spectrum software homepage about spectrum software micro cap application notes this united states software corporation or company article is a stub . you can help wikipedia by expanding it . v t e retrieved from https en.wikipedia.org w index.php title spectrum software & oldid 641431660 categories software companies based in californiacompanies based in sunnyvale californiaunited states software company stubshidden categories articles with topics of unclear notability from may 2011all articles with topics of unclear notabilityarticles needing additional references from may 2011all articles needing additional referencesall stub articles navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages add links this page was last modified on 7 january 2015 at 15 23 . text is available under the creative commons attribution sharealike license ; additional terms may apply . by using this site you agree to the terms of use and privacy policy . wikipedia is a registered trademark of the wikimedia foundation inc. a non profit organization . privacy policy about wikipedia disclaimers contact wikipedia developers cookie statement mobile view