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\n

\n\t\u56fe1. \u9ad8\u6eab\u53c2\u7167\u670d\u52a1\u5e73\u53f0\u3002<\/p>\n

\n\t\u6536\u96c6\u540e\uff0c\u53ef\u4ee5\u5728\u5f53\u5730\u89e3\u51b3\u6570\u636e\u4fe1\u606f\uff0c\u4e5f\u53ef\u6839\u636eUART<\/u>\u6216\u6307\u5b9a\u7684RS-485<\/u>\u901a\u8baf\u63d2\u53e3<\/u>\u4f20\u9001\u51fa\u6765\u3002\u7535\u8def\u677f\u4e0a\u7684\u76f8\u5173\u914d\u5957\u8bbe\u65bd\u90e8\u4ef6(\u5305\u542b\u8fd0\u884c\u5185\u5b58\u3001\u949f\u8868<\/u>\u3001\u5f00\u5173\u7535\u6e90\u548c\u65e0\u6e90\u5668\u4ef6)\u5747\u4e3a\u5206\u522b\u7ecf\u9500\u5546\u7279\u5b9a\u7684\u3001\u9002\u7528\u9ad8\u64cd\u4f5c\u6e29\u5ea6\u7684\u5143\u5668\u4ef6\uff0c\u5de5\u4f5c\u7ecf\u9a8c\u8bc1\uff0c\u8fd9\u79cd\u90e8\u4ef6\u80fd\u5728200\u00b0C\u6216\u4ee5\u4e0a\u7684\u6eab\u5ea6\u4e0b\u9760\u8c31\u5730\u5de5\u4f5c\u4e2d\u3002\u56fe1\u548c\u56fe2\u6240\u663e\u793a\u4e3a\u8be5\u9ad8\u6eab\u53c2\u7167\u670d\u52a1\u5e73\u53f0\u7684\u5177\u4f53\u7ebf\u8def\u677f\u56fe\u548c\u9ad8\u7aef\u4f5c\u7528\u6846\u67b6\u56fe\u3002\u56fe2\u6240\u663e\u793a\u7ebf\u8def\u677f\u5c55\u73b0\u7684\u662f\u77ff\u4e95\u7ebf\u8def\u677f\u5408\u7406\u5e03\u5c40\u548c\u89c4\u683c\uff0c\u7ea6\u957f11.4\u82f1\u5c3a\u3001\u5bbd1.1\u82f1\u5c3a\u3002<\/p>\n

\n

\n\t\u56fe2. \u77ff\u4e95\u7535\u5b50\u5668\u4ef6\u90e8\u4ef6\u89c4\u683c\u3002<\/p>\n

\n\tCN-0365\u8fd0\u7528\u624b\u8bb0\u4e2d\u5168\u65b9\u4f4d\u5730\u8be6\u7ec6\u4ecb\u7ecd\u4e86\u8be5\u670d\u52a1\u5e73\u53f0\u9ad8\u7cbe\u5bc6\u6570\u636e\u91c7\u96c6\u5b89\u5168\u901a\u9053\u7684\u5236\u5b9a\u95ee\u9898\u3002\u8be5\u8bbe\u8ba1\u65b9\u6848\u662f\u8fd9\u4e00\u670d\u52a1\u5e73\u53f0\u4e0a\u7684\u4e09\u4e2aADC<\/u>\u952e\u5165\u7684\u57fa\u672c\uff0c\u4f46\u662f\uff0c\u4e3a\u4e86\u66f4\u597d\u5730\u8fbe\u5230\u7ebf\u8def\u677f\u89c4\u683c\u89c4\u5b9a\uff0c\u4f7f\u670d\u52a1\u5e73\u53f0\u80fd\u5728\u6700\u5927200\u00b0C\u7684\u6eab\u5ea6\u4e0b\u9760\u8c31\u5730\u5de5\u4f5c\u4e2d\uff0c\u5173\u952e\u5728\u65e0\u6e90\u5143\u4ef6\u6311\u9009\u5c42\u9762\u5f00\u5c55\u4e86\u4e00\u4e9b\u8c03\u8282\u548c\u63d0\u5347\u3002\u53c2\u7167\u6536\u96c6\u5b89\u5168\u901a\u9053\u7535\u6e90\u7535\u8def\u5982\u4e0b\u56fe4\u6240\u663e\u793a\u3002\u67092\u4e2a\u80fd\u5728\u9ad8\u53d6\u6837\u901f\u5ea6\u4e0b\u8fd0\u884c\u7684\u6570\u636e\u65f6\u5206\u590d\u7528\u5b89\u5168\u901a\u9053\uff0c\u6bcf\u4e00\u4e2a\u90fd\u5e26\u6709\u4e00\u4e2a\u5b8c\u5168\u7684\u6570\u636e\u91c7\u96c6\u5b89\u5168\u901a\u9053(\u4e0eCN-0365\u76f8\u8fd1)\u3002\u8fd8\u6709\u4e00\u4e2a\u4eff\u771f\u6a21\u62df\u65f6\u5206\u590d\u7528\u5b89\u5168\u901a\u9053\uff0c\u5176\u5728\u952e\u5165\u4ee5\u524d\u52a0\u4e86\u4e00\u4e2aADG798\u591a\u8def\u590d\u7528\u5668<\/u>\uff0c\u5e76\u5bf9\u4e8e\u4f4e\u8d27\u8fd0\u91cf\u952e\u5165\u5f00\u5c55\u4e86\u63d0\u5347\u3002R1\u548cR3\u4e3aU1\u7684\u540c\u76f8\u952e\u5165\u7ed9\u4e881.25 V\u504f\u7f6e\u7535\u538b\uff0c\u907f\u514d\u5176\u5728\u65ad\u6389\u65f6\u6216\u662f\u64a4\u6d88\u6311\u9009\u591a\u8def\u590d\u7528\u5668\u65f6\uff0c\u6ce2\u52a8\u81f3\u4eff\u771f\u6a21\u62df\u952e\u5165\u7684\u914d\u7535\u8f68\u3002\u53ef\u4ee5\u53d8\u66f4R8\u548cR9\uff0c\u4ee5\u63d0\u5347U1\u7684\u6536\u83b7\u3002R4\u3001R7\u548cC1\u662f\u6297\u6df7\u53e0\u8fc7\u6ee4\u5668<\/u>\uff0c\u4f46\u53ef\u4ee5\u5c06\u4ed6\u4eec\u91cd\u65b0\u90e8\u7f72\u4e3a\u5149\u8870\u51cf\u5668\u6216\u66f4\u66ff\u8fc7\u6ee4\u5668\u914d\u5907\u3002R5\u3001R6\u548cC4\u7ec4\u6210ADC\u63a7\u5236\u5668\u4e0eADC\u952e\u5165\u4e2d\u95f4\u7684RC\u8fc7\u6ee4\u5668\uff0c\u8be5\u6ee4\u6ce2\u5668\u7684\u4f5c\u7528\u662f\u9650\u5b9a\u62b5\u8fbeADC\u952e\u5165\u7684\u5e26\u5916\u566a\u97f3\u91cf\uff0c\u5e76\u635f\u8017\u6765\u6e90\u4e8eADC\u952e\u5165\u7535\u6e90\u5f00\u5173<\/u>\u7535\u5bb9\u5668<\/u>\u7684\u53cd\u51b2\u529b\u5de5\u4f5c\u7535\u538b\u3002<\/p>\n

\n\t<\/p>\n

\n\t\u56fe3. \u9ad8\u6eab\u53c2\u7167\u670d\u52a1\u5e73\u53f0\u4f5c\u7528\u6846\u67b6\u56fe\u3002<\/p>\n

\n\t\u8bbe\u8ba1\u65b9\u6848\u8be5\u670d\u52a1\u5e73\u53f0\u4fbf\u662f\u4e3a\u4e86\u66f4\u597d\u5730\u8fd0\u7528AD7981 ADC\u7684\u597d\u51e0\u4e2a\u91cd\u8981\u7279\u70b9\u3002\u8fd9\u4e2a16\u4f4d\u3001600 kSPS\u8f6c\u5316\u5668\u80fd\u63d0\u5347\u8d85\u51fa85 dB\u7684\u5178\u578b\u6027SINAD\u53ca\u5176\u00b10.6 LSB\u7684\u5178\u578b\u6027INL\uff0c\u5728\u5176\u4e2d\uff0c\u6807\u51c6\u7535\u538b\u6e90\u4e3a2.5V\u4e14\u65e0\u4e22\u7801\u3002\u9009\u75285 V\u6807\u51c6\u7535\u538b\u6e90\u65f6\uff0c\u53ef\u4ee5\u5b8c\u621090 dB\u4ee5\u4e0a\u7684SINAD\uff0c\u4f46\u5728\u672c\u670d\u52a1\u5e73\u53f0\u4e2d\uff0c\u4e3a\u4e86\u66f4\u597d\u5730\u4fdd\u6301\u4e0e\u8f83\u4f4e\u538b\u7cfb\u7edf\u8f6f\u4ef6\u7684\u517c\u5bb9\u6a21\u5f0f\uff0c\u5927\u5bb6\u6c92\u6709\u6311\u9009\u8fd9\u4e00\u89c4\u683c\u578b\u53f7\u3002\u56e0\u4e3aADC\u6838\u5fc3\u5728\u53d8\u6362\u5468\u671f\u65f6\u95f4\u4e2d\u95f4\u4f1a\u81ea\u884c\u8fdb\u5230\u8282\u7535\u60c5\u51b5\uff0c\u56e0\u800c\uff0cADC\u7684\u529f\u80fd\u635f\u8017\u4f1a\u968f\u8d27\u8fd0\u91cf\u5168\u81ea\u52a8\u7ebf\u5f62\u8f6c\u53d8\u3002\u5728\u5e94\u7528\u4f4e\u53d6\u6837\u901f\u5ea6\u7684\u8f6c\u5316\u5668\u65f6\uff0c\u90a3\u6837\u505a\u53ef\u4ee5\u5b8c\u6210\u73af\u4fdd\u8282\u80fd\u3002<\/p>\n

\n\t<\/p>\n

\n\t\u56fe4. ADC\u63a7\u5236\u5668\u914d\u5907\u3002<\/p>\n

\n\tAPP\u7b80\u8ff0<\/p>\n

\n\t\u56fa\u5b9a\u4ef6<\/p>\n

\n\t\u670d\u52a1\u5e73\u53f0\u7684\u56fa\u5b9a\u4ef6\u6839\u636eFreeRTOS<\/u>\u7535\u8111\u64cd\u4f5c\u7cfb\u7edf\u505a\u6210\uff0c\u53ef\u4ee5\u4fbf\u6377\u5730\u96c6\u6210\u5316\u6bcf\u65e5\u4efb\u52a1\uff0c\u5982\u6570\u636e\u5904\u7406\u65b9\u6cd5\u548c\u522b\u7684\u901a\u8baf\u3002\u5927\u5bb6\u5bf9\u7f16\u7801\u5f00\u5c55\u4e86\u63d0\u5347\uff0c\u4fbf\u4e8e\u975e\u65f6\u5206\u590d\u7528\u5b89\u5168\u901a\u90530\u548c1\u80fd\u9ad8\u6548\u7387\u5730\u8fdb\u884c\u8fc5\u901fADC\u53d8\u6362\uff0c\u65f6\u5206\u590d\u7528\u5b89\u5168\u901a\u90532\u52309\u7684\u53d8\u6362\u7528\u65f6\u4f4e\u81f310 \u03bcs\u3002\u53d8\u6362\u7d50\u679c\u53ef\u4ee5\u5728\u5f53\u5730\u89e3\u51b3\uff0c\u8fd8\u53ef\u4ee52 Mbps\u7684\u901f\u5ea6\u4eceUART\u5b89\u5168\u901a\u9053\u4e2d\u4f20\u9001\u51fa\u6765\u3002\u53d8\u6362\u7d50\u679c\u6cb9\u538b\u7f13\u51b2\u5668\u7684\u5c3a\u5bf8\u4e3a16 kB(8k\u6b21\u53d6\u6837\u7d50\u679c)\uff0c\u65e2\u53ef\u5728\u597d\u51e0\u4e2a\u5b89\u5168\u901a\u9053\u4e2d\u95f4\u5206\u4eab\uff0c\u4e5f\u53ef\u4e13\u4e1a\u4f9b\u4e00\u4e2a\u5b89\u5168\u901a\u9053\u5e94\u7528\u3002\u8be5\u56fa\u5b9a\u4ef6\u4ee5\u5f00\u6e90\u7cfb\u7edf\u6587\u4ef6\u683c\u5f0f\u7ed9\u4e88\uff0c\u7ec8\u7aef\u7528\u6237\u53ef\u4ee5\u5bf9\u5b83\u8fdb\u884c\u8ba2\u5236\uff0c\u8fd8\u53ef\u5c06\u5176\u505a\u4e3a\u6700\u540e\u8fd0\u7528\u7684\u57fa\u672c\u3002<\/p>\n

\n\t\u6570\u636e\u91c7\u96c6\u4e0e\u5206\u6790\u7cfb\u7edf<\/p>\n

\n\t\u56fe5\u6240\u663e\u793a\u4e3a\u6570\u636e\u91c7\u96c6\u4e0e\u5206\u6790\u7cfb\u7edf\uff0c\u6839\u636e.NET\u63a5\u53e3\u8bbe\u8ba1\uff0c\u5f00\u5173\u7535\u6e90\u90e8\u4ef6\u6839\u636e\u4e00\u4e2aUSB<\/u>UART-TTL\u7535\u5e73\u8f6c\u5316\u5668\u3002\u4f9d\u9760\u5b9a\u4e49\u660e\u786e\u7684\u534f\u4e49\uff0c\u53ef\u4ee5\u4e0e\u786c\u4ef6\u914d\u7f6e(\u5305\u542b\u64cd\u7eb5\u548c\u6570\u636e\u6d41\u5206\u6790)\u5f00\u5c55\u901a\u8baf\u3002\u6570\u636e\u4fe1\u606f\u53ef\u4ee5\u5728\u7a81\u53d1\u6027\u65b9\u5f0f\u4e0b\u91c7\u96c6\u6570\u636e\uff0c\u4e5f\u53ef\u6301\u7eed\u6536\u96c6\u3002\u6b64\u5916\u5217\u5165\u4e86\u6570\u636e\u7edf\u8ba1\u5206\u6790\u4f5c\u7528\uff0c\u4ee5\u5728\u65f6\u57df\u9891\u57df\u5256\u6790\u4e0e\u8ba4\u8bc1SNR\u3001THD\u548cSINAD(\u5982FFT<\/u>)\u3002\u4e5f\u53ef\u5c06\u6570\u636e\u4fe1\u606f\u7eaa\u5f55\u5230\u6587\u6863(\u5982\u5bfc\u51fa\u6765\u5230Excel)\uff0c\u4fbf\u4e8e\u50a8\u5b58\u8d77\u4f86\u6216\u662f\u5728\u522b\u7684\u8fd0\u7528\u4e2d\u5f00\u5c55\u89e3\u51b3\u3002\u5c31\u5982\u56fa\u5b9a\u4ef6\u4e00\u6837\uff0c\u5927\u5bb6\u5b8c\u5168\u514d\u8d39<\/u>\u7ed9\u4e88\u4e86\u6570\u636e\u91c7\u96c6\u8f6f\u4ef6\u7684\u6e90\u7801\uff0c\u7ec8\u7aef\u7528\u6237\u53ef\u4ee5\u5f00\u5c55\u8ba2\u5236\u3002<\/p>\n

\n\t<\/p>\n

\n\t\u56fe5. \u6570\u636e\u91c7\u96c6\u4e0e\u5206\u6790\u7cfb\u7edf\u3002<\/p>\n

\n\t\u9ad8\u6eab\u7ed3\u6784<\/p>\n

\n\t\u672c\u53c2\u7167\u670d\u52a1\u5e73\u53f0\u9009\u7528\u5408\u9002\u5728200\u00b0C\u6807\u51c6\u4e0b\u8fd0\u884c\u7684\u96f6\u90e8\u4ef6\u548c\u5176\u5b83\u539f\u6750\u6599\u505a\u6210\u3002\u670d\u52a1\u5e73\u53f0\u4e0a\u91c7\u7528\u7684\u5168\u90e8\u90e8\u4ef6\u5747\u4e3a\u5206\u522b\u751f\u4ea7\u5546\u7279\u5b9a\u7684\u9ad8\u6e29\u5de5\u4f5c\u90e8\u4ef6(\u53e6\u6709\u8868\u660e\u65f6\u4ee5\u5916)\uff0c\u800c\u4e14\u5168\u4e16\u754c\u4ee3\u7406\u5546\u4e92\u8054\u7f51\u65e9\u5df2\u9010\u6e10\u5f88\u591a\u4f9b\u5e94\u3002\u6240\u6709BOM\u3001PCB\u5408\u7406\u5e03\u5c40<\/u>\u56fe\u548c\u5b89\u88c5\u5de5\u7a0b\u56fe\u7eb8<\/u>\u90fd\u968f\u53c2\u7167\u8bbe\u8ba1\u65b9\u6848\u5305\u5b8c\u5168\u514d\u8d39\u7ed9\u4e88\u3002<\/p>\n

\n\t\u7535\u5bb9\u5668<\/p>\n

\n\t\u7528C0G\u6216NP0\u7535\u89e3\u4ecb\u8d28\u7535\u5bb9\u5668\u5f00\u5c55\u5c0f\u5bb9\u503c\u7684\u8fc7\u6ee4\u5668\u548c\u53bb\u8026\u3002\u8fd9\u79cd\u7535\u89e3\u4ecb\u8d28\u7535\u5bb9\u5668\u7684\u6e29\u5ea6\u7cfb\u6570\u4e3b\u8981\u8868\u73b0\u6781\u4e3a\u5e73\u6574\uff0c\u4e00\u822c\u800c\u8a00\uff0c\u5176\u5bf9\u5c48\u4f38\u5185\u5e94\u529b<\/u>\u7684\u8010\u53d7\u529b\u66f4\u5f3a\u3002<\/p>\n

\n\t\u4e3a\u4f7fRC\u8fc7\u6ee4\u5668\u5177\u5907\u9ad8Q\u3001\u4f4e\u6e29\u5ea6\u7cfb\u6570\uff0c\u800c\u4e14\u5728\u8f6c\u53d8\u5de5\u4f5c\u7535\u538b\u4e0b\u5177\u5907\u7a33\u5b9a\u6027\u7684\u7535\u6c14\u8bbe\u5907\u7279\u70b9\uff0c\u63d0\u8bae\u5e94\u7528C0G\u6216NP0\u578b\u7535\u5bb9\u5668\u3002\u5927\u5bb6\u7528\u5c0f\u89c4\u683c0805\u6216\u4ee5\u4e0a\u74f7\u5668\u5143\u5668\u4ef6\u51cf\u5c11\u4e86\u90e8\u4ef6\u4e0ePCB\u4e2d\u95f4\u7684CTE\u5931\u914d\u3002\u51fa\u81ea\u4e8e\u5f88\u591a\u50a8\u5b58\u5fc5\u987b\uff0c\u5927\u5bb6\u9009\u7528\u4e86\u9ad8\u6eab\u8d34\u7247\u7535\u89e3\u7535\u5bb9<\/u>\uff0c\u5e76\u5728\u89c4\u683c\u4e0eESR\u4e2d\u95f4\u5f00\u5c55\u4e86\u5747\u8861\u3002<\/p>\n

\n\t\u7535\u963b\u5668<\/u><\/p>\n

\n\t\u8bbe\u8ba1\u65b9\u6848\u6838\u5fc3\u90e8\u4f4d\u9009\u7528\u5851\u6599\u8584\u819cSMT<\/u>\u7535\u963b\u5668(\u8f66\u8f86\u7ea7PATT\u7cfb\u5217\u4ea7\u54c1)\uff0c\u9500\u552e\u5e02\u573a\u4e0a\u6709\u8d27\u3002\u6b64\u5916\uff0c\u4f9d\u636e\u8bbe\u8ba1\u65b9\u6848\u5fc5\u987b\uff0c\u5bf9\u4e8e\u7279\u6b8a\u503c\u548c\u89c4\u683c\u6311\u9009\u4e86\u4e00\u90e8\u5206\u539a\u819cSMT\u7535\u963b\u5668\u3002<\/p>\n

\n\t\u5c04\u9891\u8fde\u63a5\u5668<\/u><\/p>\n

\n\t\u7ebf\u8def\u677f\u8054\u63a5\u7740\u4e00\u4e2a\u989d\u5b9a\u503c\u6eab\u5ea6\u4e3a200\u00b0C\u7684Micro-D\uff0c\u540e\u8005\u5e38\u89c1\u4e8e\u53ef\u9760\u6027\u9ad8\u9886\u57df\u3002\u4e3a\u4e86\u66f4\u597d\u5730\u964d\u4f4e\u6570\u636e\u4fe1\u53f7\u4e32\u6270\uff0c\u5927\u5bb6\u5bf9\u5c04\u9891\u8fde\u63a5\u5668\u673a\u58f3\u5f00\u5c55\u4e86\u5c24\u5176\u89e3\u51b3\uff0c\u5c06\u5176\u63a5\u5730\u88c5\u7f6e\u81f3\u90e8\u4ef6\u4e2d\u7684PCB\u3002\u9488\u5bf9\u89c4\u5b9a\u6700\u5927\u4fe1\u53f7\u5b8c\u6574\u6027\u548c\u6700\u5c11\u4e32\u6270\u7684\u8fd0\u7528\uff0c\u5219\u8981\u9009\u7528\u9ad8\u6eab\u6280\u672f\u4e13\u4e1a\u5c04\u9891\u8fde\u63a5\u5668(\u6216\u662f\u65e0\u5c04\u9891\u8fde\u63a5\u5668)\u548c\u540c\u8f74\u7ebf\u6216\u5c4f\u853d\u6389\u5747\u8861\u952e\u5165\uff0c\u4ee5\u51cf\u5c0f\u4e32\u6270\u3002<\/p>\n

\n\tPCB\u8bbe\u8ba1<\/u>\u548c\u5408\u7406\u5e03\u5c40<\/p>\n

\n\t\u5728\u77ff\u4e95\u8fd0\u7528\u4e2d\u5b9c\u6311\u9009\u7ec6\u957f\u5f62\u7684PCB\uff0c\u7531\u4e8e\u8fd9\u79cd\u8fd0\u7528\u91cc\u7684\u6750\u6599\u52a1\u5fc5\u5408\u4e4e\u6253\u5b54<\/u>\u548c\u6297\u538b\u58f3\u9650\u5b9a\u89c4\u5b9a\u3002\u6311\u9009\u7684\u7535\u8def\u677f\u6750\u6599\u662f\u4e00\u79cd\u8010\u70ed\u65e0\u5364\u7d20\u805a\u4e19\u70ef\u8148\u3002\u7279\u5b9a\u7ebf\u8def\u677f\u8584\u539a\u4e3a0.093\u82f1\u5c3a\u800c\u4e0d\u662f0.062\u82f1\u5c3a\u7684\u89c4\u8303\u8584\u539a\uff0c\u7531\u4e8e\u90a3\u6837\u53ef\u4ee5\u63d0\u5347\u5f2f\u66f2\u521a\u5ea6\u548c\u5e73\u6574\u5ea6\u3002\u9009\u7528\u954d\u91d1\u8868\u5c42\u5904\u7406\uff0c\u5728\u5176\u4e2d\u954d\u7ed9\u4e88\u4e00\u4e2a\u5821\u5792\uff0c\u53ef\u907f\u514d\u91d1\u5c5e\u6750\u6599\u95f4\u589e\u957f\uff0c\u91d1\u5219\u4e3a\u8fde\u63a5\u5934\u7535\u710a\u710a\u63a5<\/u>\u7ed9\u4e88\u4e00\u4e2a\u4f18\u826f\u7684\u8868\u5c42\u3002<\/p>\n

\n\t\u9488\u5bf9\u6311\u9009\u76840.093\u82f1\u5c3a\u7ebf\u8def\u677f\u8584\u539a\uff0c\u5178\u578b\u6027\u7684\u56db\u5c42\u5c42\u53e0\u4e2d\u6709\u4e00\u4e2a\u7ea613\u5bc6\u8033\u7684\u94dc\u9694\u79bb\u5c42\u548c\u4e00\u4e2a60\u5bc6\u8033\u7684\u5927\u6838\u5fc3\u3002\u5982\u679c\u662f\u516d\u5c42\u6784\u9020\uff0c\u5219\u9694\u79bb\u5c42\u4e00\u822c\u539a9.5\u5bc6\u8033\u548c28\u5bc6\u8033\u3002\u56e0\u6b64\uff0c\u5927\u5bb6\u9009\u7528\u4e86\u516d\u5c42\u8bbe\u8ba1\u65b9\u6848\uff0c\u90a3\u6837\u5c31\u53ef\u4ee5\u5728\u6bcf\u4e00\u4e2a\u6570\u636e\u4fe1\u53f7\u5c42\u8bbe\u5b9a\u4e00\u4e2a\u63a5\u5730\u8d28\u6784\u9020\uff0c\u8fdb\u800c\u6539\u8fdb\u566a\u97f3\u7279\u6027\u3002\u5f00\u5173\u7535\u6e90\u548c\u6570\u5b57\u901a\u4fe1\u7cfb\u7edf\u6570\u636e\u4fe1\u53f7\u9988\u5165\u4e00\u4e2a\u5c04\u9891\u8fde\u63a5\u5668\uff0c\u8109\u51b2\u4fe1\u53f7\u5219\u9988\u5165\u53cd\u65b9\u5411\u5c04\u9891\u8fde\u63a5\u5668\u3002\u90a3\u6837\u5c31\u53ef\u4ee5\u5728\u6570\u636e\u57df\u4e0e\u4eff\u771f\u6a21\u62df\u57df\u4e2d\u95f4\u5b8c\u6210\u4f18\u826f\u7684\u9632\u62a4\u548c\u6570\u636e\u4fe1\u53f7\u6d41\u3002\u5730\u7684\u5207\u5206\u5efa\u5728\u7ebf\u8def\u677f\u6b63\u4e2d\u95f4\uff0c\u5f00\u5173\u7535\u6e90\u8fc7\u6ee4\u5219\u8bbe\u5728\u9694\u5f00\u5904\u5468\u8fb9\u3002\u5c3d\u91cf\u907f\u514d\u4e0e\u9694\u5f00\u5c42\u4ea4\u70b9\u7684\u6570\u5b57\u63a7\u5236\u8def\u7ebf\uff0c\u9009\u7528\u4e32\u8054\u7aef\u63a5\u4ee5\u964d\u4f4e\u6570\u636e\u566a\u97f3\u85d5\u5408<\/u>\u3002\u7528\u94dc\u4e92\u8054\u7f51\u5e03\u7ebf\u5728\u4e00\u4e2a\u70b9\u628a\u6570\u636e\u548c\u4eff\u771f\u6a21\u62df\u63a5\u5730\u8d28\u6784\u9020\u7535\u710a\u710a\u63a5\u8d77\u4f86\uff0c\u4e3a\u63a8\u52a8\u6e90\u7ed9\u4e88\u4e00\u4e2a\u4f4e\u7279\u6027\u963b\u6297<\/u>\u63a7\u5236\u56de\u8def\u3002<\/p>\n

\n\t\u591a\u8def\u590d\u7528\u5668\u64cd\u7eb5\u6570\u636e\u4fe1\u53f7\u4e0e\u4eff\u771f\u6a21\u62df\u4e00\u90e8\u5206\u957f\u77ed\u540c\u6837\uff0c\u4f46\u5176\u94fa\u8bbe\u9014\u5f84\u4e0e\u91cd\u8981\u8109\u51b2\u4fe1\u53f7\u9014\u5f84\u5206\u9694\u3002\u5728\u65e5\u5e38\u751f\u6d3b\u4e2d\uff0c\u8fd9\u79cd\u65f6\u5206\u590d\u7528\u64cd\u7eb5\u8def\u7ebf\u4f1a\u4e0e\u91c7\u96c6\u6570\u636e\u7cbe\u786e\u6d4b\u91cf<\/u>\u540c\u6b69\u66f4\u6539\uff0c\u8fdb\u800c\u6700\u5927\u9650\u5ea6\u5730\u964d\u4f4e\u4e86\u4e32\u6270\u6548\u7528\u3002\u710a\u63a5\u6311\u9009Sn95\/Sb05\u662f\u56e0\u4e3a\u5728200\u00b0C\u7684\u73af\u5883\u6e29\u5ea6\u4e0b\u7ed9\u4e88\u5145\u8db3\u9ad8\u7684\u6eb6\u70b9(>230\u00b0C)\uff0c\u4e0e\u6b64\u540c\u65f6\u8fd8\u8003\u8651\u5230\u4e86\u8f83\u597d\u7684\u53ef\u64cd\u4f5c\u6027\u548c\u88c5\u914d\u5de5\u5382\u7684\u76ee\u524d\u751f\u4ea7\u80fd\u529b\u3002<\/p>\n

\n\t\u7ebf\u8def\u677f\u5b89\u88dd<\/p>\n

\n\t\u6211\u4eec\u5728\u8fd9\u65b9\u9762\u7535\u8def\u677f\u4e0a\u7ed9\u4e88\u5b89\u88dd\u67f1\u662f\u56e0\u4e3a\u4fbf\u6377\u8003\u8651\u5230\uff0c\u5176\u4ec5\u9002\u7528\u6807\u51c6\u68c0\u6d4b\u6216\u8bd5\u9a8c\u5ba4\u81ea\u7136\u73af\u5883\uff0c\u4e0d\u9002\u5b9c\u5f3a\u51b2\u51fb\u6027\u548c\u5f3a\u632f\u52a8\u81ea\u7136\u73af\u5883\u3002\u5047\u5982\u8981\u7528\u4ee5\u5f3a\u51b2\u51fb\u6027\u548c\u5f3a\u632f\u52a8\u81ea\u7136\u73af\u5883\uff0c\u53ef\u4ee5\u5148\u7528\u6811\u8102\u628a\u90e8\u4ef6\u56fa\u5b9a\u4e0d\u52a8\u5728\u7535\u8def\u677f\u4e0a\u3002\u9488\u5bf9IDC<\/u>\u8fde\u63a5\u5934\u7b49\u654f\u611f\u90e8\u4ef6\uff0c\u53ef\u4ee5\u9009\u7528\u5bc6\u5c01\u6027\u65b9\u6cd5\u6216\u662f\u4ece\u88c5\u96f6\u914d\u4ef6<\/u>\u4e2d\u6e05\u9664\u3002\u5728\u77ff\u4e95\u6216\u5176\u5b83\u6781\u7aef\u6761\u4ef6\u4e2d\uff0c\u5178\u578b\u6027\u5b89\u88dd\u65b9\u6cd5\u662f\u9009\u7528\u6ed1\u8f68\u91cd\u88c5\u7cfb\u7edf\uff0c\u7528\u8f6f\u6027\u8010\u51b2\u51fb\u5b89\u88dd\u5bc6\u5c01\u5708\u628a\u5168\u90e8\u7ebf\u8def\u677f\u56fa\u5b9a\u4e0d\u52a8\u8d77\u4f86\u3002\u8fd8\u53ef\u4ee5\u628a\u88c5\u96f6\u914d\u4ef6\u5f7b\u5e95\u5bc6\u5c01\u6027\u8d77\u4f86\u5e76\u88c5\u8fdb\u5b89\u88dd\u786c\u4ef6\u914d\u7f6e\u4e2d\uff0c\u968f\u540e\u628a\u5b89\u88dd\u786c\u4ef6\u914d\u7f6e\u56fa\u5b9a\u4e0d\u52a8\u5230\u6c7d\u8f66\u5e95\u76d8\u6216\u673a\u58f3\u4e0a\u3002\u76f8\u5173\u6709\u5173\u5668\u6750\u7684\u5176\u4ed6\u4fe1\u606f\uff0c\u5ba2\u6237\u7a0b\u5e8f\u300a\u9762\u5411\u9ad8\u6e29\u7535\u5b50\u5e94\u7528\u7684\u4f4e\u529f\u8017\u6570\u636e\u91c7\u96c6\u89e3\u51b3\u65b9\u6848\u300b\u4e00\u6587\u3002<\/p>\n

\n\t\u529f\u80fd\u6d4b\u8bd5\u7d50\u679c<\/p>\n

\n\t\u5927\u5bb6\u5bf9\u51e0\u5757\u7ebf\u8def\u677f\u505a\u597d\u4e86\u666e\u904d\u7684\u68c0\u6d4b\uff0c\u4ee5\u8bc4\u5b9a\u5176\u5728\u64cd\u4f5c\u6e29\u5ea6\u8303\u7574\u5185\u7684\u5178\u578b\u6027\u7279\u6027\uff1b\u4e0e\u6b64\u540c\u65f6\u4ecd\u5728200\u00b0C\u5de5\u4f5c\u6e29\u5ea6\u4e0b\u6ce1\u6d78\u4e86200\u949f\u5934\uff0c\u4fbf\u4e8e\u6d4b\u91cf\u673a\u68b0\u52a0\u5de5\u5de5\u827a\u548c\u7ebf\u8def\u677f\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n

\n\t\u6c9f\u901a\u4ea4\u6d41\u548c\u76f4\u6d41\u7535\u6570\u636e\u4fe1\u53f7\u94fe\u7279\u6027\u662f\u6839\u636eSAR ADC\u7684\u9ad8\u7cbe\u5bc6\u6570\u636e\u7ba1\u7406\u7cfb\u7edf\u7684\u4e00\u9879\u91cd\u8981\u7cbe\u5bc6\u5ea6\u6307\u6807\u503c\u3002\u5f53ADC\u4ee5600 kSPS\u7684\u901f\u5ea6\u8fd0\u4f5c\u800c\u4e14\u64cd\u4f5c\u6e29\u5ea6\u4e3a200\u00b0C\u65f6\uff0c\u9c81\u68d2\u6027\u7684\u6bd4\u4f8b\u5f0f\u670d\u52a1\u5e73\u53f0\u7684\u4e32\u6270\u7279\u6027\u53ef\u8fbe\u2013100 dB\u4ee5\u4e0a\uff0c\u8f83\u5927\u5931\u8861\u98d8\u79fb\u8fbe\u00b160 mV\u3002\u9488\u5bf9\u6c9f\u901a\u4ea4\u6d41\u68c0\u6d4b\uff0c\u7528\u4e00\u4e2a1 kHz\u7684\u4f4e\u5931\u5e27\u97f3\u505a\u4e3a\u952e\u5165\u6570\u636e\u4fe1\u53f7\uff0c\u5e76\u4e14\u7528 5 VDC\/\u20132.5 VDC\u4eff\u771f\u6a21\u62df\u5f00\u5173\u7535\u6e90\u4e3a\u7ebf\u8def\u677f\u914d\u7535\u3002\u56fe6\u6240\u663e\u793a\u4e3a\u8be5\u6570\u636e\u4fe1\u53f7\u97f3\u5728400 kSPS\u4e0b\u7684FFT\u53ca\u9891\u8c31\u5206\u6790\u6570\u503c\u3002\u5728200\u00b0C\u4e0b\uff0cSNR\u597d\u4e8e84 dB\uff0cTHD\u8fbe\u201396 dB\u3002\u56fe7\u6240\u663e\u793a\u4e3aSNR\u548cSINAD\uff0c\u56fe8\u6240\u663e\u793a\u4e3a\u9009\u7528\u540c\u4e00\u952e\u5165\u97f3\u65f6\uff0c\u975e\u65f6\u5206\u590d\u7528\u5b89\u5168\u901a\u9053\u5728\u64cd\u4f5c\u6e29\u5ea6\u8303\u7574\u5185\u7684THD\u3002<\/p>\n

\n\t<\/p>\n

\n\t\u56fe6. 200\u00b0C\u4e0b\u7684FFT\u53ca\u9891\u8c31\u5206\u6790\u7d50\u679c\u3002<\/p>\n

\n\t<\/p>\n

\n\t\u56fe7. \u64cd\u4f5c\u6e29\u5ea6\u8303\u7574\u5185\u7684SNR\u548cSINAD\u3002<\/p>\n

\n\t<\/p>\n

\n\t\u56fe8. \u64cd\u4f5c\u6e29\u5ea6\u8303\u7574\u5185\u7684THD\u3002<\/p>\n

\n\t\u5927\u5bb6\u7cbe\u786e\u6d4b\u91cf\u4e86\u4eff\u771f\u6a21\u62df\u548c\u6570\u636e\u914d\u7535\u8f68\u5728\u64cd\u4f5c\u6e29\u5ea6\u8303\u7574\u5185\u7684\u529f\u80fd\u635f\u8017\uff0c\u7d50\u679c\u5982\u4e0b\u56fe9\u6240\u663e\u793a\u3002\u5ba4\u5185\u6e29\u5ea6\u4e0b\u7684\u603b\u529f\u80fd\u635f\u8017\u4e3a155 mW\uff0c200\u00b0C\u4e0b\u5219\u589e\u52a0\u5230225 mW\u30023.3 V\u914d\u7535\u8f68\u4e0a\u7684\u529f\u80fd\u635f\u8017\u7531\u4ee5\u5168\u949f\u8868\u901f\u5ea6\u8fd0\u4f5c\u7684\u5fae\u5904\u7406\u5668\u548c\u4e00\u4e2a\u9ad8\u7cbe\u5bc6\u632f\u8361\u5668\u4e3a\u4e3b\u5bfc\u3002\u5927\u5bb6\u4e3a\u8f6c\u5316\u5668\u8bbe\u7f6e\u7684\u7a81\u53d1\u6027\u53d6\u6837\u901f\u5ea6\u4e3a\u6bcf\u79d2\u949f8192\u4e2a\u6837\u7248\u3002<\/p>\n

\n\t<\/p>\n

\n\t\u56fe9. 2.5 V\u30013 V\u548c5 V\u914d\u7535\u8f68\u7684\u529f\u80fd\u635f\u8017<\/p>\n

\n\t\u76f8\u5173\u9644\u52a0\u4e3b\u8981\u53c2\u6570\u7684\u68c0\u6d4b\u7d50\u679c\u5ba2\u6237\u7a0b\u5e8f\u53c2\u7167\u670d\u52a1\u5e73\u53f0\uff0c\u5176\u989d\u5b9a\u503c\u4e3b\u8981\u53c2\u6570\u6307\u6807\u503c\u5408\u4e4e200\u00b0C\u64cd\u4f5c\u6e29\u5ea6\u89c4\u5b9a\u3002<\/p>\n

\n\t\u8fd0\u7528\u5b9e\u4f8b<\/p>\n

\n\t\u71c3\u6c14\u52d8\u67e5\u3001\u822a\u5929\u822a\u7a7a\u548c\u5de5\u4e1a\u884c\u4e1a\u7684\u591a\u79cd\u591a\u6837\u8fd0\u7528\u6839\u636e\u52a0\u901f\u5ea6\u4f20\u611f\u5668\u5b8c\u6210\u5b9a\u9879\u548c\u632f\u52a8\u68c0\u9a8c\u3002\u914d\u5907\u4eff\u771f\u6a21\u62df\u952e\u5165\u7684\u52a0\u901f\u5ea6\u4f20\u611f\u5668\u5177\u5907\u8f83\u9ad8\u7684\u7cbe\u5bc6\u5ea6\uff0c\u5e76\u4e14\u975e\u5e38\u7075\u6d3b\uff0c\u80fd\u4f9d\u636e\u4f7f\u7528\u5fc5\u987b\u8c03\u6574\u611f\u5e94\u5668\u5bfc\u51fa\u3002<\/p>\n

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