如题...<br /><br />阻抗控制:60 ohm<br /><br />信号线绝对长度: < 1200mil<br /><br />总线组等长:< 100mil<br /><br />差分组等长:< 10mil<br /><br />不同组失配:< 100mil<br /><br />叠层结构:<br />-----top (红色、阳片)<br />-----gnd (未贴图、阴片)<br />-----in1 (青色、阳片)<br />-----in2 (紫色、阳片)<br />-----pwd (未贴图、阴片)<br />-----bottom (蓝色、阳片)<br /><br /><br />全图:all<br /><img src="https://bbs.21ic.com/upfiles/img/20093/200933124636145.gif"><br /><br />top:<br /><img src="https://bbs.21ic.com/upfiles/img/20093/200933124720159.gif"><br /><br />in1:<br /><img src="https://bbs.21ic.com/upfiles/img/20093/20093312485308.gif"><br /><br />in2:<br /><img src="https://bbs.21ic.com/upfiles/img/20093/200933124835232.gif"><br /><br />bottom:<br /><img src="https://bbs.21ic.com/upfiles/img/20093/20093312494254.gif"><br /><br /> |
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