{"id":667,"date":"2012-06-11T08:24:22","date_gmt":"2012-06-11T15:24:22","guid":{"rendered":"https:\/\/blogs.mentor.com\/hyperblog\/?p=667"},"modified":"2026-03-27T09:19:07","modified_gmt":"2026-03-27T13:19:07","slug":"what-to-analyze","status":"publish","type":"post","link":"https:\/\/blogs.sw.siemens.com\/electronic-systems-design\/2012\/06\/11\/what-to-analyze\/","title":{"rendered":"What to analyze?"},"content":{"rendered":"<p>In my previous blog, I talked about how a printed circuit board is nothing more than a path for signals and power to travel to and from ICs.\u00a0 For a long time, the path was &#8220;short&#8221; enough to not even matter.\u00a0 Then signals became fast enough that the board became a signficant part of the circuit, and the realm of analysis known as &#8220;signal intgrity&#8221; was born.\u00a0 Really, signal integrity is just the analysis of analog characteristics of digital busses.\u00a0 Which is a little funny, since many &#8220;analog&#8221; simulations will ignore the board characteristics (although that trend is changing, as speeds of &#8220;analog&#8221; busses are ever-increasing).<\/p>\n<p>But the other aspect of design spawning the need for new analysis is the size of the ICs.\u00a0 There are so many power-hungry transistors on the ICs nowadays that you need to analyze the power feeding them as well.\u00a0 Just getting the appriopriate DC voltage to these ICs is a challenge, as I discussed last week.\u00a0 But the AC aspect is also a challenge; decoupling analysis can be pretty tricky.\u00a0 However, the consequence for ignoring these problems is design failure.<\/p>\n<p>I talk more about the unique aspects of these different kinds of analysis, and compare and contrast them, in my recent article in Electronic Design magazine:<br \/>\n<a href=\"http:\/\/electronicdesign.com\/article\/eda\/whats-difference-signal-integrity-power-integrity-73842\" target=\"_blank\" rel=\"noopener\">http:\/\/electronicdesign.com\/article\/eda\/whats-difference-signal-integrity-power-integrity-73842<\/a><br \/>\nTake a peek&#8230;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In my previous blog, I talked about how a printed circuit board is nothing more than a path for signals&#8230;<\/p>\n","protected":false},"author":71672,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spanish_translation":"","french_translation":"","german_translation":"","italian_translation":"","polish_translation":"","japanese_translation":"","chinese_translation":"","footnotes":""},"categories":[13],"tags":[1099,137],"industry":[],"product":[],"coauthors":[],"class_list":["post-667","post","type-post","status-publish","format-standard","hentry","category-news","tag-power-integrity","tag-signal-integrity"],"_links":{"self":[{"href":"https:\/\/blogs.sw.siemens.com\/electronic-systems-design\/wp-json\/wp\/v2\/posts\/667","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.sw.siemens.com\/electronic-systems-design\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.sw.siemens.com\/electronic-systems-design\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.sw.siemens.com\/electronic-systems-design\/wp-json\/wp\/v2\/users\/71672"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.sw.siemens.com\/electronic-systems-design\/wp-json\/wp\/v2\/comments?post=667"}],"version-history":[{"count":1,"href":"https:\/\/blogs.sw.siemens.com\/electronic-systems-design\/wp-json\/wp\/v2\/posts\/667\/revisions"}],"predecessor-version":[{"id":10334,"href":"https:\/\/blogs.sw.siemens.com\/electronic-systems-design\/wp-json\/wp\/v2\/posts\/667\/revisions\/10334"}],"wp:attachment":[{"href":"https:\/\/blogs.sw.siemens.com\/electronic-systems-design\/wp-json\/wp\/v2\/media?parent=667"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.sw.siemens.com\/electronic-systems-design\/wp-json\/wp\/v2\/categories?post=667"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.sw.siemens.com\/electronic-systems-design\/wp-json\/wp\/v2\/tags?post=667"},{"taxonomy":"industry","embeddable":true,"href":"https:\/\/blogs.sw.siemens.com\/electronic-systems-design\/wp-json\/wp\/v2\/industry?post=667"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/blogs.sw.siemens.com\/electronic-systems-design\/wp-json\/wp\/v2\/product?post=667"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/blogs.sw.siemens.com\/electronic-systems-design\/wp-json\/wp\/v2\/coauthors?post=667"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}