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电子工程专辑
28d
一文将PCBMark点说的明明白白
mark 点 三、mark点识别原理 PCB 上的mark 点是表面贴装技术(SMT) 和自动光学检测(AOI) 等自动化机械使用的参考标准。该标记由一个远离任何其他可见地标的单独铜垫组成,没有基准标记,机器要么 ...
腾讯网
22d
英伟达RTX 5090 PCB板曝光:巨大的GB202 GPU,16个GDDR7显存模组
根据 Videocardz 的说法,PCB 右下角的标记表明它是基于英伟达PG145 (GB202) 板的 PNY 型号。虽然照片只展示了未焊接元件的PCB,但是从PCB板面上对于 ...
腾讯网
23d
疑似英伟达RTX 5090 PCB泄露巨大的GPU封装,显存“5452”方式布局
PCB上面没有英伟达的标记,也没有其他品牌信息,应该不是Founders Edition公版设计。 GeForce RTX 5090搭载的是GB202 GPU,传闻尺寸达到了24 x 31 mm,封装尺寸 ...
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