求一四层板(阻抗板)的叠层参数
时间:10-02
整理:3721RD
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由于某些原因不能从厂家那里取得联系,所以来请教:
要求是:
板厚: 1.2mm-2mm;
线宽/间距: 5mil/大于等于5mil
阻抗要求: 5mil的线要求50 ohms+-10%;
时钟差分CLK/CLKn Differential trace impedance: 100 ohms +/- 15%(最好能用线宽/间距 5/13匹配到要求)
usb DP/DM Single-end trace impedance: 45 ohms +/- 10%
DP/DM Differential trace impedance: 90 ohms +/- 10% (最好能用线宽/间距 8/18匹配到要求)
SATA TxP/TxN Single-end trace impedance: 47.5 ohms +/- 10%
TxP/TxN Differential trace impedance: 95 ohms +/- 10% (最好能用线宽/间距 7/17匹配到要求)
求叠层厚度分配和相关参数.
要求是:
板厚: 1.2mm-2mm;
线宽/间距: 5mil/大于等于5mil
阻抗要求: 5mil的线要求50 ohms+-10%;
时钟差分CLK/CLKn Differential trace impedance: 100 ohms +/- 15%(最好能用线宽/间距 5/13匹配到要求)
usb DP/DM Single-end trace impedance: 45 ohms +/- 10%
DP/DM Differential trace impedance: 90 ohms +/- 10% (最好能用线宽/间距 8/18匹配到要求)
SATA TxP/TxN Single-end trace impedance: 47.5 ohms +/- 10%
TxP/TxN Differential trace impedance: 95 ohms +/- 10% (最好能用线宽/间距 7/17匹配到要求)
求叠层厚度分配和相关参数.
我还没做过需要控制阻抗的板子