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\n\t\u4f5c\u4e3a\u53e6\u5916\u4e00\u4e2a\u4f8b\u5b50\uff0c\u5047\u8bbe\u4e00\u575720\u5c42\u7684PCB\u677f\u603b\u5171\u6709115mil\u7684\u539a\u5ea6\u3002\u7535\u6e90\u5c42\u5728\u7b2c3\u5c42\u3002\u4ece\u7b2c\u4e00\u5c42\uff08FPGA<\/u>\u5728\u7684\u8fd9\u4e00\u5c42\uff09\u5230\u7b2c3\u5c42\u7684\u539a\u5ea6\u670912mil\u3002\u90a3\u4e48\u4ece\u5e95\u5c42\u5230\u7b2c3\u5c42\u7684\u539a\u5ea6\u5c31\u662f103mil\u3002\u7535\u6e90\u548c\u5730\u5c42\u88ab3mil\u540e\u7684\u7535\u4ecb\u8d28\u5206\u79bb\u5f00\u3002\u5bf9\u4e8e\u8fd9\u79cd\u8f68\u8ff9\u7684BGA<\/u>\u5b54\u7684\u7535\u611f\u5927\u5c0f\u4e3a5nH\uff08\u5bf9\u4e8e\u8fd9\u79cd\u7535\u6e90\u8f68\u8ff95\u5bf9\u5b54\uff09\u3002\u4e3a\u4e86\u5e94\u5bf9\u7b2c\u4e00\u5c42\u6bd4\u8f83\u7d27\u5bc6\u7684\u5e03\u5c40\u5e03\u7ebf\u533a\u57df\uff0c\u4e0e\u4e4b\u76f8\u5173\u8054\u7684\u53bb\u8026\u7535\u5bb9\u90fd\u5b89\u88c5\u5728\u5e95\u5c42\u3002\u7531\u4e8e\u8fd9\u6837\u5b89\u88c5\u4f1a\u6709\u5f88\u957f\u7684\u8fc7\u5b54\uff0c\u8fd9\u79cd\u6743\u8861\u8bbe\u8ba1\u5bfc\u81f4\u4e86\u5f88\u9ad8\u7684\u7535\u5bb9\u5b89\u88c5\u7535\u611f\u503c\u3002\u7ecf\u8fc7\u5145\u5206\u4f18\u5316\u540e\uff0c0402\u5c01\u88c5\u7684\u7535\u5bb9\u5728\u5e95\u5c42\u7684\u5b89\u88c5\u7535\u611f\u662f2.3nH\uff0c\u800c\u540c\u6837\u7684\u7535\u5bb9\u653e\u5728\u7b2c\u4e00\u5c42\u7684\u5b89\u88c5\u7535\u611f\u662f0.57nH\u3002<\/p>\n

\n\t\u4e3a\u4e86\u6539\u5584\u8fd9\u79cd\u7ed9\u8f68\u8ff9\u7684PDN\u6548\u679c\uff0c\u4f60\u53ef\u4ee5\u628a\u4e00\u4e9b\u9ad8\u9891\u7535\u5bb9\u653e\u7f6e\u5728\u7b2c\u4e00\u5c42\uff0c\u540c\u65f6\u628a\u4e2d\u9891\u548cbulk\u7535\u5bb9\u8fd8\u662f\u653e\u5728\u539f\u6765\u7684\u4f4d\u7f6e\u4e0a\u5373\u5e95\u5c42\u3002\u8fd9\u79cd\u7535\u8def\u8bbe\u8ba1\u5bf9PDN\u662f\u622a\u6b62\u7684\u89e3\u51b3\u65b9\u6cd5\uff0c\u56e0\u4e3a\u9ad8\u9891\u7535\u5bb9\u662f\u5728\u622a\u6b62\u9891\u7387\u4ee5\u4e0b\u4f5c\u4e3a\u7b2c\u4e00\u54cd\u5e94\u7684\u7535\u5bb9\u3002\u7535\u5bb9\u7684\u6548\u679c\u4f9d\u8d56\u4e8e\u603b\u7684\u56de\u8def\u7535\u611f\uff08\u7535\u5bb9\u7684\u5b89\u88c5\u7535\u611f+\u4f20\u64ad\u7535\u611f+BGA\u5b54\u7684\u7535\u611f\uff09\u4e0eFPGA\u3002\u4f60\u53ef\u4ee5\u628a\u9ad8\u9891\u7535\u5bb9\u653e\u5728\u7b2c\u4e00\u5c42\u5e76\u79bbFPGA\u7a0d\u5fae\u8fdc\u4e00\u70b9\u70b9\u7684\u5730\u65b9\u3002\u7535\u5bb9\u653e\u5728FPGA breakout\u533a\u57df\u5916\u7684\u4f20\u64ad\u7535\u611f\u662f0.2nH\u3002\u76f8\u5bf9\u4e8e\u539f\u6765\u653e\u7f6e\u5728\u5e95\u5c42\u7684\u65b9\u6cd5\uff0c\u8fd9\u79cd\u65b0\u7684\u653e\u7f6e\u65b9\u6cd5\u8fd8\u662f\u6709\u76ca\u7684\uff0c\u56e0\u4e3a\u603b\u7684\u56de\u8def\u7535\u611f\uff080.57nH+0.2nH+0.05nH=0.82nH\uff09\u6bd4\u653e\u7f6e\u5728\u5e95\u5c42\u7684\u65f6\u5019\u7684\u603b\u7535\u611f\u8981\u5c0f\u3002<\/p>\n

\n\tPCB\u677f\u7684\u4f20\u64ad\u7535\u611f\u662f\u4e0e\u8bbe\u8ba1\u662f\u76f8\u5173\uff0c\u7535\u6e90\u548c\u5730\u5e73\u9762\u95f4\u7684\u4ecb\u8d28\u4e2d\u5b83\u662f\u5747\u5300\u5b58\u5728\u7684\u30023mil\u539a\u5ea6\u6216\u8005\u66f4\u8584\u7684\u539a\u5ea6\u662f\u6700\u4f73\u7684\u51cf\u5c0f\u5e73\u9762\u4f20\u64ad\u7535\u611f\u7684\u8bbe\u8ba1\u3002\u4f60\u53ef\u4ee5\u6839\u636e\u5982\u4e0b\u7684\u8bbe\u8ba1\u6307\u5bfc\u6765\u63d0\u5347PDN\u7684\u6027\u80fd\u3002<\/p>\n

\n\t\u5982\u4e0b\u7684\u662f\u5173\u4e8e\u987a\u5e8f\u91cd\u8981\u6027\u7684\u8bbe\u8ba1\u6307\u5bfc\uff0c\u4ece\u7b2c\u4e00\u5c42\u5230\u5e95\u5c42—\u5728\u7b2c\u4e00\u5c42\u7684\u8bbe\u8ba1\u6307\u5bfc\u662f\u6700\u91cd\u8981\u7684\u3002<\/p>\n

\n\t\u25a0\u51cf\u5c0f\u7535\u6e90\u548c\u5730\u5c42\u95f4\u7535\u4ecb\u8d28\u539a\u5ea6\u3002\u5f53\u8bbe\u8ba1\u677f\u5b50\u7684\u53e0\u5c42\u65f6\uff0c\u786e\u5b9a\u7535\u6e90\u3001\u5c42\u548c\u5176\u4ed6\u7684\u5c42\u3002\u4e3e\u4e00\u4e2a\u4f8b\u5b50\uff0c\u5982\u53e0\u5c42PWR1 - GND1 - SIG1 - SIG2- GND2 - PWR2\u8981\u4f18\u4e8ePWR1 - SIG1 - GND1 - SIG2 - GND2 - PWR2\u8fd9\u79cd\u53e0\u5c42\u3002\u7b2c\u4e8c\u79cd\u60c5\u51b5\u7684\u7ed3\u679c\u662f\u6ca1\u6709\u5bf9\u7535\u6e90\u548c\u5730\u4e4b\u95f4\u7684\u8ddd\u79bb\u4f18\u5316\u7684\u8bbe\u8ba1\u3002\u8fd9\u6837\u7684\u8bbe\u7f6e\u4f1a\u5bfc\u81f4\u5927\u7535\u5bb9\u4f20\u64ad\u7535\u611f\u5728PWR1\/GND1\u4e4b\u95f4\u6bd4\u5728PWR2\/GND2\u4e4b\u95f4\u7684\u7535\u611f\u5927\u3002\u4f60\u53ef\u4ee5\u5728\u7535\u6e90\u548c\u5730\u5e73\u9762\u4e4b\u95f4\u627e\u5230\u4e00\u79cd\u5178\u578b\u76843mil\u7684\u7535\u4ecb\u8d28\u539a\u5ea6\u800c\u4e0d\u589e\u52a0\u989d\u5916\u7684\u6210\u672c\u3002\u5bf9\u4e8e\u989d\u5916\u7684\u6027\u80fd\u6539\u5584\uff0c\u8003\u8651\u6bd43mil\u66f4\u8584\u7684\u7535\u4ecb\u8d28\u539a\u5ea6\u3002\u4f46\u662f\uff0c\u8fd9\u4f1a\u5bfc\u81f4PCB\u7684\u6210\u672c\u4e0a\u5347\u3002<\/p>\n

\n\t\u25a0\u5f53\u9009\u5b9a\u7535\u5bb9\u7684\u65f6\u5019\uff0c\u9009\u62e9\u591a\u4e2a\u7535\u5bb9\u503c\uff0c\u800c\u4e0d\u662f\u9009\u62e9\u4e00\u4e2a\u76f8\u540c\u503c\u7684\u5927\u7535\u5bb9\u6765\u8fbe\u5230\u76ee\u6807\u963b\u6297\u3002\u5728PDN\u4e2d\uff0c\u963b\u6297\u7684\u5cf0\u503c\u662f\u7531\u8c10\u632f\u53cd\u5e94\u5f62\u6210\u7684\u3002\u9ad8ESR\u5728\u8c10\u632f\u9891\u7387\u70b9\u80fd\u6291\u5236\u8c10\u632f\uff0c\u56e0\u6b64\u51cf\u5c11\u963b\u6297\u5cf0\u503c\u7684\u9ad8\u5ea6\u3002\u5728\u7535\u5bb9\u7684\u8c10\u632f\u9891\u7387\u5904\u548c\u963b\u6297\u5cf0\u503c\u5904\uff0c\u7528\u4e00\u4e9b\u7535\u5bb9\u503c\u76f8\u540c\u7684\u7535\u5bb9\u80fd\u622a\u6b62\u7684\u51cf\u5c11ESR\u3002<\/p>\n

\n\t\u5728\u4e00\u4e2a\u5f88\u5bbd\u7684\u9891\u7387\u8303\u56f4\u5185\uff0c\u9009\u62e9\u591a\u79cd\u7535\u5bb9\u503c\u7684\u7535\u5bb9\u79cd\u7c7b\uff0c\u80fd\u7ef4\u6301\u4e00\u4e2a\u76f8\u5bf9\u9ad8\u7684ESR\u3002<\/p>\n

\n\t\u25a0\u9009\u62e9\u653e\u7f6e\u9ad8\u9891\u7535\u5bb9\u7684\u4f4d\u7f6e\uff0c\u4ee5\u51cf\u5c11\u6574\u4e2a\u56de\u8def\u7535\u611f\u3002\u6574\u4e2a\u7535\u611f\u662f\u7531\u7535\u5bb9\u7684ESL\u3001\u5b89\u88c5\u7535\u611f\u3001\u4f20\u64ad\u7535\u611f\u548cBGA\u7684\u8fc7\u5b54\u7535\u611f\u7ec4\u6210\u7684\u3002\u5728\u653e\u7f6e\u7535\u5bb9\u65f6\u4f18\u5148\u653e\u7f6e\u9ad8\u9891\u7535\u5bb9\uff0c\u5176\u6b21\u662f\u4e2d\u9891\u548c\u4f4e\u9891\u7535\u5bb9\u3002<\/p>\n

\n\t\u25a0\u5f53\u5728\u5206\u5272\u5e73\u9762\u65f6\uff0c\u786e\u4fdd\u5e73\u9762\u7684\u5f62\u72b6\u6210\u9002\u5f53\u7684\u65b9\u5f62\u3002\u907f\u514d\u72ed\u957f\u7684\u5e73\u9762\u5f62\u72b6\uff0c\u56e0\u4e3a\u8fd9\u6837\u505a\u4f1a\u9650\u5236\u7535\u6d41\u7684\u5927\u5c0f\u548c\u589e\u52a0\u5e73\u9762\u7684\u4f20\u64ad\u7535\u611f\u3002<\/p>\n

\n\t\u25a0\u4e2d\u9891\u548c\u4f4e\u9891\u7684\u7535\u5bb9\u5bf9\u4e8e\u5982\u4f55\u653e\u7f6e\u6ca1\u6709\u90a3\u4e48\u7684\u654f\u611f\u3002\u53ef\u4ee5\u628a\u4ed6\u4eec\u653e\u5728\u79bbFPGA\u7a0d\u5fae\u8fdc\u4e00\u70b9\u7684\u5730\u65b9\u3002<\/p>\n

\n\t\u6743\u8861\u591a\u8def\u8bbe\u8ba1\u7684\u60c5\u51b5<\/p>\n

\n\t\u5728\u4e00\u5757\u6709\u591a\u8def\u5916\u8bbe\u7684PCB\u677f\u4e0a\uff0c\u4f60\u7684\u8bbe\u8ba1\u5c31\u4e0d\u80fd\u518d\u5171\u4eab\u4e00\u4e2a\u4f9b\u7535\u7535\u6e90\u3002\u8fd9\u4e5f\u8bb8\u9700\u8981\u4f60\u901a\u8fc7\u4f60\u7684\u8bbe\u8ba1\u53bb\u6267\u884cDDR\u7684\u7535\u6e90\u63a5\u53e3<\/u>\uff0c\u8054\u5408\u5404\u79cdI\/O<\/u>\u53e3\u7684\u7535\u6e90\u8f68\u8ff9\uff0c\u6216\u8005\u8054\u5408\u5404\u79cd\u63a5\u6536\u7aef\u7684\u7535\u6e90\u8f68\u8ff9\u4ee5\u51cf\u5c11PCB\u7684BOM\u6210\u672c\u548cPCB\u7684\u5e03\u5c40\u590d\u6742\u5ea6\u3002<\/p>\n

\n\t\u7535\u6e90\u8f68\u8ff9\u5171\u4eab\u589e\u52a0\u4e86PDN\u7684\u590d\u6742\u5ea6\uff0c\u540c\u65f6\u5728PCB\u4e0a\u548cdie\u7684\u4f4d\u7f6e\u5904\u4e5f\u589e\u52a0\u4e86\u5927\u91cf\u7684\u566a\u58f0\u3002\u5bf9\u4e8e\u591a\u8def\u7684\u60c5\u51b5\uff0c\u8bbe\u8ba1\u7535\u6e90\u7684\u5206\u914d\u89e3\u51b3\u65b9\u6cd5\u4e3b\u8981\u6709\u4e24\u6b65\uff1a<\/p>\n

\n\t1 \u4f4e\u9891\u89e3\u51b3\u65b9\u6cd5<\/p>\n

\n\t2 \u9ad8\u9891\u89e3\u51b3\u65b9\u6cd5<\/p>\n

\n\t\u5728\u975e\u5e38\u4f4e\u9891\u7684\u65f6\u5019\uff0c\u7b2c\u4e00\u6b65\u786e\u4fddVR<\/u>M\u7684\u5927\u5c0f\u662f\u5426\u9002\u5408\u5904\u7406\u5404\u79cd\u7535\u6d41\u7684\u9700\u8981\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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