High-Speed-PCB-Layout-Techniques.rar

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  • 2016-07-14 07:15
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This section looks at some key fundamentals of high speed PCB layout techniques so that hopefully the above scenario will never happen to you
High-Speed-PCB-Layout-Techniques.rar
  • High Speed PCB Layout Techniques.pdf
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内容介绍
<html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta charset="utf-8"> <meta name="generator" content="pdf2htmlEX"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <link rel="stylesheet" href="https://static.pudn.com/base/css/base.min.css"> <link rel="stylesheet" href="https://static.pudn.com/base/css/fancy.min.css"> <link rel="stylesheet" href="https://static.pudn.com/prod/directory_preview_static/622b6b6a3d2fbb0007771db8/raw.css"> <script src="https://static.pudn.com/base/js/compatibility.min.js"></script> <script src="https://static.pudn.com/base/js/pdf2htmlEX.min.js"></script> <script> try{ pdf2htmlEX.defaultViewer = new pdf2htmlEX.Viewer({}); }catch(e){} </script> <title></title> </head> <body> <div id="sidebar" style="display: none"> <div id="outline"> </div> </div> <div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/622b6b6a3d2fbb0007771db8/bg1.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">High Speed Analog D<span class="_ _0"></span>esign and<span class="ff2 fc1 ls1 ws1"> </span><span class="ls2 ws2">Application Seminar</span></div><div class="t m0 x2 h3 y2 ff3 fs1 fc0 sc0 ls3 ws1">5-1</div><div class="t m0 x3 h3 y3 ff3 fs1 fc0 sc0 ls4 ws3">Texas Instruments</div><div class="t m0 x4 h4 y4 ff4 fs2 fc0 sc0 ls5 ws4">Section 5</div><div class="t m0 x5 h4 y5 ff4 fs2 fc0 sc0 ls6 ws5">High Speed PCB La<span class="ls7 ws6">yout Techniques</span></div><div class="t m0 x6 h5 y6 ff1 fs3 fc0 sc0 ls8 ws7">Scenario: You have sp<span class="_ _1"></span>ent several<span class="_ _1"></span> days, no mayb<span class="_ _1"></span>e weeks, perfe<span class="_ _1"></span>cting a</div><div class="t m0 x6 h5 y7 ff1 fs3 fc0 sc0 ls9 ws8">design on paper and also using Spic<span class="_ _0"></span>e <span class="lsa ws9">to ensure th<span class="_ _1"></span>e design<span class="_ _1"></span> exceed<span class="_ _1"></span>s all</span></div><div class="t m0 x6 h5 y8 ff1 fs3 fc0 sc0 ls9 wsa">expectat<span class="_ _0"></span>ions. You hand t<span class="_ _0"></span>he schematic to<span class="_ _0"></span> your layout pers<span class="_ _0"></span>on who puts all</div><div class="t m0 x6 h5 y9 ff1 fs3 fc0 sc0 lsb wsb">everything on a pr<span class="_ _0"></span>inted circ<span class="_ _0"></span>uit boar<span class="lsc wsc">d (PCB). The PCB comes b<span class="_ _1"></span>ack in a wee<span class="_ _1"></span>k</span></div><div class="t m0 x6 h5 ya ff1 fs3 fc0 sc0 lsd wsd">or two an<span class="_ _1"></span>d is fina<span class="_ _1"></span>lly popula<span class="_ _1"></span>ted and <span class="_ _1"></span><span class="lse wse">ready to test. Bu<span class="_ _1"></span>t it doe<span class="_ _1"></span>sn&#8217;t w<span class="_ _1"></span>ork!!!!</span></div><div class="t m0 x6 h5 yb ff1 fs3 fc0 sc0 lsf wsf">Why not? On p<span class="_ _1"></span>aper i<span class="_ _1"></span>t works!! Spice sa<span class="_ _1"></span><span class="ls10 ws10">id it w<span class="_ _1"></span>orks!! But it d<span class="_ _1"></span>oesn<span class="_ _1"></span>&#8217;t wo<span class="_ _1"></span>rk!!</span></div><div class="t m0 x6 h5 yc ff1 fs3 fc0 sc0 ls11 ws11">This sce<span class="_ _0"></span>nario happens more of<span class="_ _0"></span>ten than <span class="_ _0"></span><span class="ls9 ws12">not and the reas<span class="_ _0"></span>on many circuit<span class="_ _0"></span>s do</span></div><div class="t m0 x6 h5 yd ff1 fs3 fc0 sc0 ls11 ws13">not work as expec<span class="_ _0"></span>ted is due <span class="ls12 ws14">primarily to t<span class="_ _0"></span>he PCB layout.</span></div><div class="t m0 x6 h5 ye ff1 fs3 fc0 sc0 ls13 ws15">This sec<span class="_ _0"></span>tion looks at s<span class="_ _0"></span>ome key fundam<span class="_ _0"></span>entals of<span class="_ _0"></span> high speed PCB lay<span class="_ _0"></span>out</div><div class="t m0 x6 h5 yf ff1 fs3 fc0 sc0 ls14 ws16">techniques so that hope<span class="ls15 ws12">fully the above scenario w<span class="ls16 ws17">ill never happen to you.</span></span></div></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div> </body> </html>
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