kcores / ocp2pcie Goto Github PK
View Code? Open in Web Editor NEWOCP Mezzanine card V2.0 to standard PCIe slot adapter design
Home Page: http://kcores.com/
License: GNU General Public License v3.0
ocp2pcie's Issues
后期是否会出x8的版本
RT，非常感谢
修改PCB上面挡板的孔位
建议挡板孔位改成槽，方便兼容多个挡板。
不然别人买了挡板对不上就SB 了
BOM单疑问
原理图中的四个电容没有给定容值等参数，以及U1芯片的具体型号为多少。还请解答，多谢
你好ocp b这个有没有什么方案 谢谢
高速信号阻抗匹配
Issue
双层PCB，8G/T的PCIe信号没有阻抗匹配，信号质量无法保证
- 没有参考地平面
- 过孔没有伴地孔（return via）
Suggestion
改为4层板（一些厂家如JLC的4层板不算贵），按照厂家的叠层计算阻抗（线宽、线间距）。
PCIe过孔处增加伴地孔。
大神有车吗，带我上车啊
又现成的车吗？
或者组个车队，自己开车有点贵，25的网卡+50多的PCB和配件
C2电容错误
原理图中C2电容所设置的封装为Capacitor_Tantalum_SMD:CP_EIA-7343-31_Kemet-D的钽电容，但原理图中使用了无极性电容的符号。
虽然不是什么大问题，感觉还是改一下的好。
2020.4.6
又看了一眼，C1电容也有问题，符号是无极性电容，封装选的是Capacitor_SMD:CP_Elec_6.3x5.4的铝电解电容。
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