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\u6b63\u538b\u7535\u6548\u5e94\u57fa\u7840\u516c\u5f0f<\/h4>\n<p>\u538b\u7535\u6750\u6599\u5728\u6781\u5316\u6210\u578b\u540e\u5177\u5907\u5404\u5411\u5f02\u6027\u673a\u7535\u8026\u5408\u7279\u6027\u3002\u5f53\u6cbf\u6781\u5316\u65b9\u5411&#xff08;3 \u65b9\u5411&#xff09;\u65bd\u52a0\u673a\u68b0\u538b\u529b\u65f6&#xff0c;\u6750\u6599\u5185\u90e8\u7535\u7574\u7ed3\u6784\u53d1\u751f\u5f39\u6027\u5f62\u53d8&#xff0c;\u6676\u4f53\u8868\u9762\u4f1a\u4ea7\u751f\u7b49\u91cf\u675f\u7f1a\u7535\u8377&#xff0c;\u8be5\u73b0\u8c61\u79f0\u4e3a\u6b63\u538b\u7535\u6548\u5e94\u3002\u5728\u7ebf\u6027\u5c0f\u5e94\u529b\u533a\u95f4\u3001\u77ed\u8def\u8fb9\u754c\u6761\u4ef6\u4e0b&#xff0c;\u611f\u5e94\u7535\u8377\u4e0e\u5916\u529b\u5448\u4e25\u683c\u7ebf\u6027\u5173\u7cfb\u3002<\/p>\n<p>\u6838\u5fc3\u7269\u7406\u516c\u5f0f\u4e3a&#xff1a;Q &#061; d33 \u00d7 F \u5176\u4e2d Q \u4e3a\u538b\u7535\u7247\u8868\u9762\u611f\u5e94\u7535\u8377&#xff0c;F \u4e3a\u8f74\u5411\u538b\u529b&#xff0c;d33 \u4e3a\u7eb5\u5411\u538b\u7535\u5e38\u6570\u3002<\/p>\n<p>\u53d8\u5f62\u5f97\u5230\u6d4b\u91cf\u6838\u5fc3\u516c\u5f0f&#xff1a;d33 &#061; Q \/ F<\/p>\n<p>\u4ece\u516c\u5f0f\u53ef\u4ee5\u770b\u51fa&#xff0c;\u53ea\u8981\u7cbe\u51c6\u6d4b\u51fa\u538b\u7535\u6750\u6599\u53d7\u538b\u4ea7\u751f\u7684\u611f\u5e94\u7535\u8377\u91cf\u4e0e\u65bd\u52a0\u7684\u673a\u68b0\u538b\u529b&#xff0c;\u5373\u53ef\u89e3\u7b97\u51fa d33 \u53c2\u6570\u3002<\/p>\n<h4 id=\"2.2%20%E5%87%86%E9%9D%99%E6%80%81%E6%B5%8B%E8%AF%95%E5%8E%9F%E7%90%86\">2.2 \u51c6\u9759\u6001\u6d4b\u8bd5\u539f\u7406<\/h4>\n<p>\u7eaf\u9759\u6001\u5355\u70b9\u52a0\u538b\u6d4b\u8bd5\u5b58\u5728\u81f4\u547d\u7f3a\u9677&#xff1a;\u9759\u6001\u7535\u8377\u5bb9\u6613\u4ea7\u751f\u6f02\u79fb\u3001\u70ed\u91ca\u7535\u6548\u5e94\u4f1a\u4ea7\u751f\u9644\u52a0\u7535\u8377\u3001\u7535\u6781\u63a5\u89e6\u9759\u7535\u6b8b\u7559\u3001\u673a\u68b0\u63a5\u89e6\u95f4\u9699\u90fd\u4f1a\u5bfc\u81f4\u6d4b\u91cf\u503c\u6f02\u79fb\u4e25\u91cd\u3001\u91cd\u590d\u6027\u6781\u5dee\u3002\u800c\u9ad8\u9891\u8c10\u632f\u6d4b\u8bd5\u5fc5\u987b\u8ba9\u6750\u6599\u5de5\u4f5c\u5728\u8c10\u632f\u9891\u7387\u70b9&#xff0c;\u4ec5\u9002\u5408\u6807\u51c6\u8584\u5706\u7247&#xff0c;\u65e0\u6cd5\u6d4b\u8bd5\u5f02\u5f62\u3001\u539a\u7247\u3001\u590d\u5408\u538b\u7535\u6750\u6599&#xff0c;\u901a\u7528\u6027\u6781\u4f4e\u3002<\/p>\n<p>\u51c6\u9759\u6001\u6d4b\u8bd5\u91c7\u7528110Hz \u4f4e\u9891\u6b63\u5f26\u4ea4\u53d8\u673a\u68b0\u529b\u6fc0\u52b1&#xff0c;\u8be5\u9891\u7387\u8fdc\u4f4e\u4e8e\u538b\u7535\u6750\u6599\u673a\u68b0\u8c10\u632f\u9891\u7387&#xff0c;\u6750\u6599\u5f62\u53d8\u5b8c\u5168\u8ddf\u968f\u5916\u529b\u53d8\u5316&#xff0c;\u65e0\u52a8\u6001\u8c10\u632f\u589e\u76ca\u3001\u65e0\u76f8\u4f4d\u7578\u53d8&#xff0c;\u6ee1\u8db3\u51c6\u9759\u6001\u529b\u5b66\u5047\u8bbe\u3002\u4ea4\u53d8\u529b\u4ea7\u751f\u4ea4\u53d8\u7535\u8377\u4fe1\u53f7&#xff0c;\u901a\u8fc7\u5e26\u901a\u6ee4\u6ce2\u4e0e\u9501\u76f8\u653e\u5927\u7b97\u6cd5&#xff0c;\u53ef\u4ee5\u53ea\u63d0\u53d6 110Hz \u6709\u6548\u4fe1\u53f7&#xff0c;\u5f7b\u5e95\u6ee4\u9664\u76f4\u6d41\u6e29\u6f02\u3001\u9759\u7535\u6f02\u79fb\u300150Hz \u5de5\u9891\u5e72\u6270\u3001\u4f4e\u9891\u566a\u58f0&#xff0c;\u662f\u9ad8\u7cbe\u5ea6\u6d4b\u91cf\u7684\u6839\u672c\u4fdd\u969c\u3002<\/p>\n<h4 id=\"2.3%20%E6%A0%87%E5%87%86%E5%8F%82%E8%80%83%E5%AF%B9%E6%AF%94%E6%B5%8B%E9%87%8F%E5%8E%9F%E7%90%86%EF%BC%88%E5%95%86%E7%94%A8%E4%BB%AA%E5%99%A8%E6%A0%B8%E5%BF%83%E6%8A%80%E6%9C%AF%EF%BC%89\">2.3 \u6807\u51c6\u53c2\u8003\u5bf9\u6bd4\u6d4b\u91cf\u539f\u7406&#xff08;\u5546\u7528\u4eea\u5668\u6838\u5fc3\u6280\u672f&#xff09;<\/h4>\n<p>\u5982\u679c\u76f4\u63a5\u91c7\u7528 \u201c\u6d4b\u529b &#043; \u6d4b\u7535\u8377\u201d \u53cc\u4f20\u611f\u5668\u65b9\u6848&#xff0c;\u9700\u8981\u9ad8\u7cbe\u5ea6\u529b\u4f20\u611f\u5668\u3001\u9ad8\u7a33\u5b9a\u6fc0\u52b1\u6e90&#xff0c;\u6210\u672c\u9ad8\u3001\u529b\u503c\u6ce2\u52a8\u5927\u3001\u957f\u671f\u7a33\u5b9a\u6027\u5dee\u3002\u56e0\u6b64\u6240\u6709\u5546\u7528 D33 \u6d4b\u8bd5\u4eea\u5168\u90e8\u91c7\u7528\u4e32\u8054\u5bf9\u6bd4\u6d4b\u91cf\u6cd5&#xff0c;\u4e0d\u9700\u8981\u7cbe\u786e\u6d4b\u91cf\u529b\u7684\u7edd\u5bf9\u503c\u3002<\/p>\n<p>\u673a\u68b0\u7ed3\u6784\u4e0a\u5c06\u6807\u51c6\u6821\u51c6\u538b\u7535\u7247\u4e0e\u88ab\u6d4b\u538b\u7535\u6837\u54c1\u4e0a\u4e0b\u4e32\u8054\u538b\u7d27&#xff0c;\u4e24\u652f\u5668\u4ef6\u627f\u53d7\u5b8c\u5168\u76f8\u540c\u7684\u4ea4\u53d8\u6fc0\u632f\u529b\u3002 \u6807\u51c6\u7247\u8f93\u51fa\u7535\u8377&#xff1a;Qref &#061; dref \u00d7 F \u88ab\u6d4b\u7247\u8f93\u51fa\u7535\u8377&#xff1a;Qdut &#061; ddut \u00d7 F<\/p>\n<p>\u4e24\u5f0f\u76f8\u9664\u6d88\u53bb\u529b F&#xff0c;\u5f97\u5230\u6700\u7ec8\u6d4b\u91cf\u516c\u5f0f&#xff1a; ddut &#061; dref \u00d7 (Qdut \/ Qref)<\/p>\n<p>\u8be5\u6280\u672f\u662f D33 \u4eea\u5668\u7a33\u5b9a\u6d4b\u91cf\u7684\u6838\u5fc3&#xff0c;\u6fc0\u632f\u529b\u6ce2\u52a8\u3001\u7535\u538b\u6f02\u79fb\u3001\u5f39\u7c27\u75b2\u52b3\u3001\u632f\u52a8\u5e45\u503c\u53d8\u5316\u5168\u90e8\u88ab\u6bd4\u503c\u62b5\u6d88&#xff0c;\u4eea\u5668\u53ea\u9700\u8981\u7cbe\u51c6\u91c7\u96c6\u4e24\u8def\u7535\u8377\u4fe1\u53f7\u7684\u5e45\u503c\u6bd4&#xff0c;\u5373\u53ef\u5f97\u5230\u9ad8\u7cbe\u5ea6 d33 \u6570\u503c&#xff0c;\u540c\u65f6\u53ef\u901a\u8fc7\u4e24\u8def\u4fe1\u53f7\u76f8\u4f4d\u5dee\u5224\u65ad\u538b\u7535\u6750\u6599\u6781\u5316\u6b63\u8d1f\u65b9\u5411\u3002<\/p>\n<h3 id=\"%E4%B8%89%E3%80%81%E6%95%B4%E6%9C%BA%E7%B3%BB%E7%BB%9F%E6%80%BB%E4%BD%93%E6%9E%B6%E6%9E%84\">\u4e09\u3001\u6574\u673a\u7cfb\u7edf\u603b\u4f53\u67b6\u6784<\/h3>\n<p>\u6574\u5957 D33 \u538b\u7535\u6d4b\u8bd5\u4eea\u7531\u673a\u68b0\u6fc0\u632f\u63a2\u5934\u7cfb\u7edf\u3001\u6a21\u62df\u7535\u8377\u4fe1\u53f7\u8c03\u7406\u7cfb\u7edf\u3001\u4e3b\u63a7\u91c7\u96c6\u4e0e\u8fd0\u7b97\u7cfb\u7edf\u3001\u4eba\u673a\u4ea4\u4e92\u7cfb\u7edf\u3001\u7535\u6e90\u7cfb\u7edf\u4e94\u5927\u5c42\u7ea7\u6784\u6210&#xff0c;\u5f62\u6210\u5b8c\u6574\u95ed\u73af\u6d4b\u8bd5\u7cfb\u7edf\u3002<\/p>\n<p>\u6574\u4f53\u5de5\u4f5c\u6d41\u7a0b&#xff1a;\u4e3b\u63a7 MCU \u901a\u8fc7 DAC \u751f\u6210\u9ad8\u7cbe\u5ea6 110Hz \u6b63\u5f26\u6fc0\u52b1\u4fe1\u53f7 \u2192 \u529f\u7387\u653e\u5927\u9a71\u52a8\u97f3\u5708\u6fc0\u632f\u5668\u4ea7\u751f\u4ea4\u53d8\u673a\u68b0\u632f\u52a8 \u2192 \u9884\u538b\u673a\u6784\u4fdd\u8bc1\u7535\u6781\u7d27\u5bc6\u8d34\u5408 \u2192 \u6807\u51c6\u538b\u7535\u7247\u4e0e\u88ab\u6d4b\u7247\u540c\u65f6\u4ea7\u751f\u4ea4\u53d8\u7535\u8377 \u2192 \u4e24\u8def\u8d85\u9ad8\u963b\u6297\u7535\u8377\u4fe1\u53f7\u8fdb\u5165\u53cc\u5bf9\u79f0\u7535\u8377\u653e\u5927\u5668 \u2192 \u5e26\u901a\u6ee4\u6ce2\u964d\u566a \u2192 \u7a0b\u63a7 PGA \u81ea\u52a8\u91cf\u7a0b\u653e\u5927 \u2192 \u53cc\u901a\u9053\u540c\u6b65 ADC \u91c7\u6837 \u2192 \u6570\u5b57\u9501\u76f8\u7b97\u6cd5\u63d0\u53d6\u4fe1\u53f7\u5e45\u503c \u2192 \u6bd4\u503c\u6cd5\u8ba1\u7b97 d33 \u2192 \u6570\u636e\u6ee4\u6ce2\u3001\u6821\u51c6\u4fee\u6b63\u3001\u663e\u793a\u8f93\u51fa\u3001\u6570\u636e\u5b58\u50a8\u4e0e\u4e0a\u4f4d\u673a\u4e0a\u4f20\u3002<\/p>\n<p>\u6574\u5957\u7cfb\u7edf\u5b9e\u73b0\u4e86\u7535\u6fc0\u52b1 \u2014 \u673a\u68b0\u65bd\u538b \u2014 \u7535\u8377\u91c7\u96c6 \u2014 \u4fe1\u53f7\u89e3\u7b97 \u2014 \u6570\u636e\u8f93\u51fa\u5168\u81ea\u52a8\u4e00\u4f53\u5316\u6d4b\u8bd5\u3002<\/p>\n<h3 id=\"%E5%9B%9B%E3%80%81%E6%9C%BA%E6%A2%B0%E6%8E%A2%E5%A4%B4%E7%BB%93%E6%9E%84%E8%AE%BE%E8%AE%A1%EF%BC%88%E4%BB%AA%E5%99%A8%E7%B2%BE%E5%BA%A6%E5%86%B3%E5%AE%9A%E6%80%A7%E7%A1%AC%E4%BB%B6%EF%BC%89\">\u56db\u3001\u673a\u68b0\u63a2\u5934\u7ed3\u6784\u8bbe\u8ba1&#xff08;\u4eea\u5668\u7cbe\u5ea6\u51b3\u5b9a\u6027\u786c\u4ef6&#xff09;<\/h3>\n<p>\u673a\u68b0\u63a2\u5934\u662f D33 \u6d4b\u8bd5\u4eea\u6700\u5173\u952e\u3001\u6700\u5bb9\u6613\u88ab\u5ffd\u89c6\u7684\u6838\u5fc3\u90e8\u4ef6&#xff0c;\u76f4\u63a5\u51b3\u5b9a\u6d4b\u91cf\u7a33\u5b9a\u6027\u4e0e\u91cd\u590d\u6027\u3002<\/p>\n<h4 id=\"4.1%20%E6%BF%80%E6%8C%AF%E5%8D%95%E5%85%83\">4.1 \u6fc0\u632f\u5355\u5143<\/h4>\n<p>\u91c7\u7528\u97f3\u5708\u52a8\u5708\u5f0f\u6fc0\u632f\u7ed3\u6784&#xff0c;\u65e0\u94c1\u82af\u78c1\u6ede\u975e\u7ebf\u6027&#xff0c;\u8f93\u51fa\u6ce2\u5f62\u6b63\u5f26\u5ea6\u9ad8\u3001\u673a\u68b0\u8c10\u6ce2\u5c0f\u3001\u632f\u52a8\u7ebf\u6027\u5ea6\u597d&#xff0c;\u53ef\u7a33\u5b9a\u8f93\u51fa 110Hz \u4f4e\u9891\u5fae\u5e45\u632f\u52a8&#xff0c;\u5b8c\u5168\u6ee1\u8db3\u51c6\u9759\u6001\u6d4b\u8bd5\u8981\u6c42\u3002\u7981\u6b62\u4f7f\u7528\u7535\u78c1\u94c1\u6fc0\u52b1&#xff0c;\u7535\u78c1\u94c1\u5438\u529b\u968f\u8ddd\u79bb\u975e\u7ebf\u6027\u53d8\u5316&#xff0c;\u4f1a\u4e25\u91cd\u7578\u53d8\u7535\u8377\u6ce2\u5f62\u3002<\/p>\n<h4 id=\"4.2%20%E9%9D%99%E6%80%81%E9%A2%84%E5%8E%8B%E6%9C%BA%E6%9E%84\">4.2 \u9759\u6001\u9884\u538b\u673a\u6784<\/h4>\n<p>\u91c7\u7528\u7cbe\u5bc6\u87ba\u7eb9\u8c03\u538b\u5f39\u7c27\u7ed3\u6784&#xff0c;\u63d0\u4f9b 3N~8N \u6052\u5b9a\u9759\u6001\u9884\u538b\u529b\u3002\u9884\u538b\u4f5c\u7528\u662f\u4fdd\u8bc1\u4ea4\u53d8\u632f\u52a8\u8fc7\u7a0b\u4e2d\u7535\u6781\u4e0e\u538b\u7535\u6837\u54c1\u5168\u7a0b\u7d27\u5bc6\u8d34\u5408\u3001\u65e0\u8131\u79bb\u3001\u65e0\u95f4\u9699\u51b2\u51fb&#xff0c;\u5f7b\u5e95\u6d88\u9664\u63a5\u89e6\u6296\u52a8\u9020\u6210\u7684\u8bfb\u6570\u8df3\u53d8&#xff0c;\u662f\u4eea\u5668\u9ad8\u7cbe\u5ea6\u3001\u9ad8\u91cd\u590d\u6027\u7684\u5fc5\u8981\u6761\u4ef6\u3002<\/p>\n<h4 id=\"4.3%20%E7%BB%9D%E7%BC%98%E7%94%B5%E6%9E%81%E7%BB%93%E6%9E%84\">4.3 \u7edd\u7f18\u7535\u6781\u7ed3\u6784<\/h4>\n<p>\u4e0a\u4e0b\u7535\u6781\u91c7\u7528\u9ec4\u94dc\u955c\u9762\u629b\u5149\u5de5\u827a&#xff0c;\u4fdd\u8bc1\u63a5\u89e6\u9762\u5e73\u6574\u5747\u5300&#xff0c;\u538b\u529b\u4f20\u9012\u4e00\u81f4\u3002\u7535\u6781\u57fa\u5ea7\u5168\u90e8\u91c7\u7528\u805a\u56db\u6c1f\u4e59\u70ef\u9ad8\u7edd\u7f18\u6750\u6599&#xff0c;\u6574\u4f53\u7edd\u7f18\u963b\u6297\u5927\u4e8e 10\u00b9\u00b2 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id=\"5.3%20%E6%A0%B8%E5%BF%83%E6%A8%A1%E6%8B%9F%E5%89%8D%E7%AB%AF%EF%BC%9A%E5%8F%8C%E8%B7%AF%E7%94%B5%E8%8D%B7%E6%94%BE%E5%A4%A7%E7%94%B5%E8%B7%AF\">5.3 \u6838\u5fc3\u6a21\u62df\u524d\u7aef&#xff1a;\u53cc\u8def\u7535\u8377\u653e\u5927\u7535\u8def<\/h4>\n<p>\u538b\u7535\u6750\u6599\u8f93\u51fa\u4e3a\u8d85\u9ad8\u963b\u6297\u7535\u8377\u4fe1\u53f7&#xff0c;\u8f93\u51fa\u963b\u6297\u9ad8\u8fbe 10\u00b9\u00b2\u03a9&#xff0c;\u65e0\u6cd5\u4f7f\u7528\u666e\u901a\u7535\u538b\u653e\u5927\u5668&#xff0c;\u5fc5\u987b\u4f7f\u7528\u7535\u8377\u653e\u5927\u5668\u3002<\/p>\n<p>\u7535\u8377\u653e\u5927\u5668\u7531 fA \u7ea7\u8d85\u4f4e\u504f\u7f6e\u8fd0\u653e\u3001\u7cbe\u5bc6 NPO \u53cd\u9988\u7535\u5bb9\u3001\u9ad8\u963b\u6cc4\u653e\u7535\u963b\u6784\u6210\u3002\u9009\u7528 ADA4530\u3001LTC6268 \u7b49\u8f93\u5165\u504f\u7f6e\u7535\u6d41\u5c0f\u4e8e 1pA 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id=\"5.7%20%E7%94%B5%E6%BA%90%E7%B3%BB%E7%BB%9F%E8%AE%BE%E8%AE%A1\">5.7 \u7535\u6e90\u7cfb\u7edf\u8bbe\u8ba1<\/h4>\n<p>\u6a21\u62df\u5c0f\u4fe1\u53f7\u90e8\u5206\u91c7\u7528\u8d85\u4f4e\u566a\u58f0\u7ebf\u6027\u7535\u6e90 LT3042\u3001LT1763&#xff0c;\u5f7b\u5e95\u6291\u5236\u5f00\u5173\u7535\u6e90\u7eb9\u6ce2\u3002\u6570\u5b57\u90e8\u5206\u4f7f\u7528\u5f00\u5173\u7535\u6e90\u63d0\u9ad8\u6548\u7387\u3002\u7cfb\u7edf\u91c7\u7528\u5355\u70b9\u661f\u5f62\u63a5\u5730&#xff0c;\u6570\u5b57\u5730\u3001\u6a21\u62df\u5730\u3001\u5c4f\u853d\u5730\u4e25\u683c\u5206\u79bb&#xff0c;\u675c\u7edd\u5730\u73af\u8def\u5e72\u6270&#xff0c;\u4fdd\u8bc1 pA \u7ea7\u5fae\u5f31\u7535\u8377\u4fe1\u53f7\u4e0d\u88ab\u566a\u58f0\u6df9\u6ca1\u3002<\/p>\n<h4 id=\"5.8%20%E4%BA%BA%E6%9C%BA%E4%BA%A4%E4%BA%92%E4%B8%8E%E5%AD%98%E5%82%A8%E7%94%B5%E8%B7%AF\">5.8 \u4eba\u673a\u4ea4\u4e92\u4e0e\u5b58\u50a8\u7535\u8def<\/h4>\n<p>\u5305\u542b TFT \u6db2\u6676\u663e\u793a\u3001\u6309\u952e\u63a7\u5236\u7cfb\u7edf\u3001EEPROM \u53c2\u6570\u5b58\u50a8\u7535\u8def\u3001USB \u4e32\u53e3\u901a\u4fe1\u7535\u8def&#xff0c;\u5b9e\u73b0\u53c2\u6570\u6821\u51c6\u6570\u636e\u65ad\u7535\u4fdd\u5b58\u3001\u5b9e\u65f6\u6570\u636e\u663e\u793a\u3001\u624b\u52a8 \/ \u81ea\u52a8\u6d4b\u91cf\u3001\u6570\u636e\u4e0a\u4f20\u3001\u6279\u91cf\u6d4b\u8bd5\u8bb0\u5f55\u529f\u80fd\u3002<\/p>\n<h3 id=\"%E5%85%AD%E3%80%81%E5%AE%8C%E6%95%B4%E8%BD%AF%E4%BB%B6%E7%B3%BB%E7%BB%9F%E6%9E%B6%E6%9E%84\">\u516d\u3001\u5b8c\u6574\u8f6f\u4ef6\u7cfb\u7edf\u67b6\u6784<\/h3>\n<p>\u8f6f\u4ef6\u7cfb\u7edf\u91c7\u7528\u5206\u5c42\u67b6\u6784\u8bbe\u8ba1&#xff0c;\u5206\u4e3a\u5e95\u5c42\u9a71\u52a8\u5c42\u3001\u4fe1\u53f7\u91c7\u96c6\u5c42\u3001\u7b97\u6cd5\u5904\u7406\u5c42\u3001\u6821\u51c6\u8865\u507f\u5c42\u3001\u4e1a\u52a1\u903b\u8f91\u5c42\u3001\u4eba\u673a\u4ea4\u4e92\u5c42\u3001\u901a\u4fe1\u534f\u8bae\u5c42&#xff0c;\u7ed3\u6784\u6e05\u6670\u3001\u6a21\u5757\u5316\u5f3a\u3001\u53ef\u7ef4\u62a4\u6027\u9ad8\u3002<\/p>\n<h4 id=\"6.1%20%E5%BA%95%E5%B1%82%E9%A9%B1%E5%8A%A8%E5%B1%82\">6.1 \u5e95\u5c42\u9a71\u52a8\u5c42<\/h4>\n<p>\u5305\u542b DAC \u6b63\u5f26\u6ce2\u8f93\u51fa\u9a71\u52a8\u3001\u5b9a\u65f6\u5668\u6ce2\u5f62\u751f\u6210\u3001\u53cc ADC \u540c\u6b65 DMA \u91c7\u96c6\u3001SPI \u589e\u76ca\u63a7\u5236\u3001I2C \u5b58\u50a8\u8bfb\u5199\u3001\u6309\u952e\u626b\u63cf\u3001\u6db2\u6676\u5237\u65b0\u3001\u4e32\u53e3\u6536\u53d1\u7b49\u5e95\u5c42\u9a71\u52a8&#xff0c;\u4fdd\u8bc1\u786c\u4ef6\u7a33\u5b9a\u5de5\u4f5c\u3002<\/p>\n<p>\u7cfb\u7edf\u4e0a\u7535\u540e\u81ea\u52a8\u521d\u59cb\u5316\u5916\u8bbe&#xff0c;\u52a0\u8f7d\u51fa\u5382\u6821\u51c6\u53c2\u6570\u3001\u96f6\u70b9\u504f\u79fb\u53c2\u6570\u3001\u589e\u76ca\u8865\u507f\u53c2\u6570&#xff0c;\u5b8c\u6210\u5f00\u673a\u81ea\u68c0\u3002<\/p>\n<h4 id=\"6.2%20%E4%BF%A1%E5%8F%B7%E9%87%87%E9%9B%86%E5%B1%82\">6.2 \u4fe1\u53f7\u91c7\u96c6\u5c42<\/h4>\n<p>\u6301\u7eed\u5f00\u542f DMA \u5faa\u73af\u91c7\u6837&#xff0c;\u53cc\u901a\u9053\u540c\u6b65\u91c7\u96c6\u88ab\u6d4b\u4fe1\u53f7\u4e0e\u6807\u51c6\u53c2\u8003\u4fe1\u53f7&#xff0c;\u5b9e\u65f6\u66f4\u65b0\u6ce2\u5f62\u7f13\u51b2\u533a&#xff0c;\u4fdd\u8bc1\u4fe1\u53f7\u8fde\u7eed\u65e0\u65ad\u70b9&#xff0c;\u4e3a\u7b97\u6cd5\u89e3\u7b97\u63d0\u4f9b\u5b8c\u6574\u6ce2\u5f62\u6570\u636e\u3002<\/p>\n<h4 id=\"6.3%20%E6%A0%B8%E5%BF%83%E7%AE%97%E6%B3%95%E5%B1%82%EF%BC%88%E4%BB%AA%E5%99%A8%E7%B2%BE%E5%BA%A6%E6%A0%B8%E5%BF%83%EF%BC%89\">6.3 \u6838\u5fc3\u7b97\u6cd5\u5c42&#xff08;\u4eea\u5668\u7cbe\u5ea6\u6838\u5fc3&#xff09;<\/h4>\n<p>\u8f6f\u4ef6\u6838\u5fc3\u91c7\u7528\u6570\u5b57\u9501\u76f8\u653e\u5927\u7b97\u6cd5&#xff08;\u76f8\u654f\u68c0\u6ce2&#xff09;&#xff0c;\u662f\u5fae\u5f31\u4fe1\u53f7\u68c0\u6d4b\u7684\u6700\u4f18\u7b97\u6cd5\u3002<\/p>\n<p>\u5de5\u4f5c\u6d41\u7a0b&#xff1a;<\/p>\n<li>\u8f6f\u4ef6\u751f\u6210\u4e0e\u6fc0\u52b1\u6e90\u540c\u6e90\u540c\u9891\u7684 110Hz \u6b63\u5f26\u3001\u4f59\u5f26\u53c2\u8003\u4fe1\u53f7&#xff1b;<\/li>\n<li>\u5c06\u91c7\u96c6\u5230\u7684\u4e24\u8def\u6ce2\u5f62\u5206\u522b\u4e0e\u53c2\u8003\u4fe1\u53f7\u505a\u4e58\u6cd5\u89e3\u8c03&#xff1b;<\/li>\n<li>\u901a\u8fc7\u4f4e\u901a\u6ee4\u6ce2\u5668\u6ee4\u9664\u9ad8\u9891\u5206\u91cf&#xff0c;\u63d0\u53d6\u76f4\u6d41\u6b63\u4ea4\u5206\u91cf I\u3001Q&#xff1b;<\/li>\n<li>\u8ba1\u7b97\u4fe1\u53f7\u5e45\u503c A&#061;\u221a(I\u00b2&#043;Q\u00b2)&#xff1b;<\/li>\n<li>\u5206\u522b\u5f97\u5230\u88ab\u6d4b\u901a\u9053\u5e45\u503c\u4e0e\u6807\u51c6\u901a\u9053\u5e45\u503c&#xff1b;<\/li>\n<li>\u901a\u8fc7\u6bd4\u503c\u516c\u5f0f\u8ba1\u7b97\u539f\u59cb d33 \u6570\u503c\u3002<\/li>\n<p>\u9501\u76f8\u653e\u5927\u53ea\u63d0\u53d6\u8bbe\u5b9a\u9891\u7387\u7684\u6709\u6548\u4fe1\u53f7&#xff0c;\u5b8c\u5168\u6291\u5236\u5de5\u9891\u566a\u58f0\u3001\u968f\u673a\u566a\u58f0\u3001\u6e29\u6f02\u5e72\u6270&#xff0c;\u662f\u5546\u7528\u9ad8\u7cbe\u5ea6 D33 \u4eea\u5668\u7684\u6807\u51c6\u7b97\u6cd5\u3002<\/p>\n<h4 id=\"6.4%20%E8%87%AA%E5%8A%A8%E9%87%8F%E7%A8%8B%E6%8E%A7%E5%88%B6%E7%AE%97%E6%B3%95\">6.4 \u81ea\u52a8\u91cf\u7a0b\u63a7\u5236\u7b97\u6cd5<\/h4>\n<p>\u8f6f\u4ef6\u5b9e\u65f6\u76d1\u6d4b\u4fe1\u53f7\u5e45\u503c&#xff0c;\u81ea\u52a8\u5224\u65ad\u5f53\u524d\u4fe1\u53f7\u662f\u5426\u9971\u548c\u3001\u662f\u5426\u4fe1\u566a\u6bd4\u8fc7\u4f4e&#xff0c;\u52a8\u6001\u8c03\u6574 PGA \u589e\u76ca\u6863\u4f4d&#xff0c;\u5b9e\u73b0\u5168\u81ea\u52a8\u91cf\u7a0b\u5207\u6362&#xff0c;\u65e0\u9700\u4eba\u5de5\u8c03\u8282&#xff0c;\u9002\u914d\u5168\u8303\u56f4\u538b\u7535\u6750\u6599\u6d4b\u8bd5\u3002<\/p>\n<h4 id=\"6.5%20%E6%A0%A1%E5%87%86%E8%A1%A5%E5%81%BF%E7%AE%97%E6%B3%95\">6.5 \u6821\u51c6\u8865\u507f\u7b97\u6cd5<\/h4>\n<p>\u8f6f\u4ef6\u5185\u7f6e\u4e09\u7ea7\u6821\u51c6\u4f53\u7cfb&#xff1a;<\/p>\n<li>\u96f6\u70b9\u6821\u51c6&#xff1a;\u7a7a\u8f7d\u6d88\u9664\u7535\u8def\u57fa\u7ebf\u504f\u79fb&#xff1b;<\/li>\n<li>\u589e\u76ca\u6821\u51c6&#xff1a;\u4f7f\u7528\u6807\u51c6\u538b\u7535\u7247\u591a\u70b9\u62df\u5408\u4fee\u6b63\u7cfb\u7edf\u589e\u76ca\u8bef\u5dee&#xff1b;<\/li>\n<li>\u7ebf\u6027\u5ea6\u6821\u51c6&#xff1a;\u4fee\u6b63\u9ad8\u4f4e\u91cf\u7a0b\u975e\u7ebf\u6027\u504f\u5dee\u3002<\/li>\n<p>\u6240\u6709\u6821\u51c6\u53c2\u6570\u81ea\u52a8\u4fdd\u5b58\u81f3 EEPROM&#xff0c;\u65ad\u7535\u4e0d\u4e22\u5931&#xff0c;\u5f00\u673a\u81ea\u52a8\u52a0\u8f7d\u3002<\/p>\n<h4 id=\"6.6%20%E6%95%B0%E6%8D%AE%E6%BB%A4%E6%B3%A2%E4%B8%8E%E7%A8%B3%E5%AE%9A%E6%80%A7%E5%A4%84%E7%90%86\">6.6 \u6570\u636e\u6ee4\u6ce2\u4e0e\u7a33\u5b9a\u6027\u5904\u7406<\/h4>\n<p>\u91c7\u7528\u6ed1\u52a8\u5e73\u5747\u6ee4\u6ce2\u3001\u4e2d\u503c\u6ee4\u6ce2\u3001\u7a33\u6001\u5224\u65ad\u7b97\u6cd5&#xff0c;\u8fc7\u6ee4\u77ac\u65f6\u6296\u52a8\u6570\u636e&#xff0c;\u4fdd\u8bc1\u663e\u793a\u6570\u503c\u7a33\u5b9a\u3001\u65e0\u8df3\u53d8&#xff0c;\u540c\u65f6\u4fdd\u7559\u771f\u5b9e\u6d4b\u8bd5\u54cd\u5e94\u901f\u5ea6\u3002<\/p>\n<h4 id=\"6.7%20%E4%B8%9A%E5%8A%A1%E9%80%BB%E8%BE%91%E6%B5%81%E7%A8%8B\">6.7 \u4e1a\u52a1\u903b\u8f91\u6d41\u7a0b<\/h4>\n<p>\u6574\u673a\u6807\u51c6\u5de5\u4f5c\u6d41\u7a0b&#xff1a; \u5f00\u673a\u521d\u59cb\u5316 \u2192 \u52a0\u8f7d\u6821\u51c6\u53c2\u6570 \u2192 \u542f\u52a8 110Hz \u6fc0\u52b1 \u2192 \u53cc\u901a\u9053\u540c\u6b65\u91c7\u96c6 \u2192 \u9501\u76f8\u89e3\u7b97\u5e45\u503c \u2192 \u6bd4\u503c\u8ba1\u7b97 d33 \u2192 \u81ea\u52a8\u91cf\u7a0b\u4fee\u6b63 \u2192 \u6821\u51c6\u8865\u507f \u2192 \u6570\u636e\u6ee4\u6ce2 \u2192 \u5237\u65b0\u663e\u793a \u2192 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