{"id":93425,"date":"2024-05-29T16:28:01","date_gmt":"2024-05-29T08:28:01","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=93425"},"modified":"2024-05-29T16:28:05","modified_gmt":"2024-05-29T08:28:05","slug":"scmkynxzc-2","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/93425.html","title":{"rendered":"\u6570\u4f20\u6a21\u5757\u6709\u54ea\u4e9b\u7ec4\u6210"},"content":{"rendered":"\n<p>\u3000\u3000<strong>\u6570\u4f20\u6a21\u5757<\/strong>\u662f\u4e00\u79cd\u7528\u4e8e\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7684\u8bbe\u5907\uff0c\u5176\u7ec4\u6210\u90e8\u5206\u591a\u6837\u4e14\u590d\u6742\u3002\u6570\u4f20\u6a21\u5757\u7684\u4e3b\u8981\u7ec4\u6210\u90e8\u5206\u53ef\u4ee5\u603b\u7ed3\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u53d1\u5c04\u5668\u548c\u63a5\u6536\u5668<\/strong>\uff1a\u8fd9\u662f\u65e0\u7ebf\u6570\u4f20\u6a21\u5757\u4e2d\u6700\u57fa\u672c\u7684\u4e24\u4e2a\u90e8\u5206\u3002\u53d1\u5c04\u5668\u8d1f\u8d23\u5c06\u6570\u5b57\u4fe1\u53f7\u8f6c\u6362\u6210\u7535\u78c1\u6ce2\u8fdb\u884c\u4f20\u8f93\uff0c\u800c\u63a5\u6536\u5668\u5219\u8d1f\u8d23\u63a5\u6536\u7535\u78c1\u6ce2\u5e76\u5c06\u5176\u8f6c\u6362\u56de\u6570\u5b57\u4fe1\u53f7\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5fae\u5904\u7406\u5668<\/strong>\uff1a\u5fae\u5904\u7406\u5668\u662f\u6570\u4f20\u6a21\u5757\u7684\u6838\u5fc3\u90e8\u4ef6\u4e4b\u4e00\uff0c\u8d1f\u8d23\u5904\u7406\u548c\u63a7\u5236\u6570\u636e\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u7684\u5404\u79cd\u4efb\u52a1\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u65e0\u7ebf\u6536\u53d1\u82af\u7247<\/strong>\uff1a\u65e0\u7ebf\u6536\u53d1\u82af\u7247\u662f\u5b9e\u73b0\u65e0\u7ebf\u4f20\u8f93\u7684\u5173\u952e\u90e8\u4ef6\uff0c\u5b83\u8d1f\u8d23\u5904\u7406\u548c\u8c03\u5236\u89e3\u8c03\u4fe1\u53f7\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4e32\u53e3\u6a21\u5757<\/strong>\uff1a\u4e32\u53e3\u6a21\u5757\u7528\u4e8e\u8fde\u63a5\u5176\u4ed6\u8bbe\u5907\uff0c\u5982PC\u673a\u6216\u5355\u7247\u673a\uff0c\u4ee5\u5b9e\u73b0\u6570\u636e\u7684\u8f93\u5165\u548c\u8f93\u51fa\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u9501\u76f8\u73af(PLL)<\/strong>\uff1a\u9501\u76f8\u73af\u7528\u4e8e\u540c\u6b65\u53d1\u5c04\u548c\u63a5\u6536\u4fe1\u53f7\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u51c6\u786e\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u57fa\u5e26\u5904\u7406\u53ca\u8c03\u5236\u89e3\u8c03\u5668<\/strong>\uff1a\u8fd9\u4e9b\u90e8\u4ef6\u8d1f\u8d23\u5bf9\u4fe1\u53f7\u8fdb\u884c\u57fa\u5e26\u5904\u7406\u548c\u8c03\u5236\u89e3\u8c03\uff0c\u4ee5\u9002\u5e94\u65e0\u7ebf\u4f20\u8f93\u7684\u9700\u6c42\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>CPU<\/strong>\uff1a\u4e2d\u592e\u5904\u7406\u5355\u5143(CPU)\u8d1f\u8d23\u6267\u884c\u590d\u6742\u7684\u8ba1\u7b97\u548c\u63a7\u5236\u4efb\u52a1\uff0c\u662f\u6570\u4f20\u6a21\u5757\u7684\u667a\u80fd\u6838\u5fc3\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u63a5\u53e3<\/strong>\uff1a\u5982RS-232\u6216RS-485\u63a5\u53e3\uff0c\u7528\u4e8e\u4e0e\u5176\u4ed6\u8bbe\u5907\u8fdb\u884c\u901a\u4fe1\u548c\u6570\u636e\u4ea4\u6362\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5929\u7ebf<\/strong>\uff1a\u5929\u7ebf\u7528\u4e8e\u53d1\u5c04\u548c\u63a5\u6536\u65e0\u7ebf\u4fe1\u53f7\uff0c\u662f\u8fde\u63a5\u53d1\u5c04\u5668\u548c\u63a5\u6536\u5668\u7684\u91cd\u8981\u90e8\u5206\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5176\u4ed6\u7ec4\u4ef6<\/strong>\uff1a\u5982CSS\u6570\u5b57\u8c03\u5236\u89e3\u8c03\u6280\u672f\u3001\u4f4e\u529f\u8017\u8bbe\u8ba1\u3001\u6a21\u5757\u5316\u8bbe\u8ba1\u7b49\uff0c\u8fd9\u4e9b\u90fd\u662f\u4e3a\u4e86\u63d0\u9ad8\u6570\u4f20\u6a21\u5757\u7684\u6027\u80fd\u548c\u5e94\u7528\u8303\u56f4\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000<strong>\u6570\u4f20\u6a21\u5757\u7531\u591a\u4e2a\u5173\u952e\u7ec4\u4ef6\u6784\u6210\uff0c\u6bcf\u4e2a\u7ec4\u4ef6\u90fd\u6709\u5176\u72ec\u7279\u7684\u529f\u80fd\u548c\u4f5c\u7528\uff0c\u5171\u540c\u534f\u4f5c\u4ee5\u5b9e\u73b0\u9ad8\u6548\u3001\u53ef\u9760\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u3002<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 \u6570\u4f20\u6a21\u5757\u4e2d\u5fae\u5904\u7406\u5668\u7684\u5177\u4f53\u7c7b\u578b\u548c\u529f\u80fd\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n<p>\u3000\u3000\u5728\u6570\u4f20\u6a21\u5757\u4e2d\uff0c\u5fae\u5904\u7406\u5668\u7684\u5177\u4f53\u7c7b\u578b\u548c\u529f\u80fd\u5982\u4e0b\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>\u5177\u4f53\u7c7b\u578b<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u5728Zigbee\u6a21\u5757\u4e2d\uff0c\u5fae\u5904\u7406\u5668\u901a\u5e38\u91c7\u7528TI\u65b9\u6848\u82af\u7247\uff0c\u8fd9\u79cd\u82af\u7247\u7b26\u5408Zigbee 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class=\"wp-block-list\">\n<li>\u3000\u3000\u5fae\u5904\u7406\u5668\u5728\u6570\u4f20\u6a21\u5757\u4e2d\u7684\u4e3b\u8981\u529f\u80fd\u5305\u62ec\u6307\u4ee4\u89e3\u6790\u4e0e\u6267\u884c\u3001\u7b97\u672f\u8fd0\u7b97\u3001\u903b\u8f91\u8fd0\u7b97\u548c\u6570\u636e\u4f20\u8f93\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u5b83\u8d1f\u8d23\u63a7\u5236\u548c\u64cd\u4f5c\u8ba1\u7b97\u673a\u6216\u6570\u5b57\u8bbe\u5907\u7684\u5404\u4e2a\u90e8\u5206\uff0c\u6267\u884c\u6307\u4ee4\u96c6\uff0c\u5e76\u8fdb\u884c\u65f6\u949f\u540c\u6b65\u3001\u7535\u6e90\u7ba1\u7406\u548c\u591a\u6838\u5904\u7406\u7b49\u590d\u6742\u4efb\u52a1\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u5728\u65e0\u7ebf\u6570\u4f20\u6a21\u5757\u4e2d\uff0c\u5fae\u5904\u7406\u5668\u8fd8\u9700\u8981\u5904\u7406\u65e0\u7ebf\u6536\u53d1\u4fe1\u53f7\uff0c\u786e\u4fdd\u6570\u636e\u7684\u51c6\u786e\u4f20\u8f93\u548c\u63a5\u6536\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 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class=\"wp-block-list\">\n<li>\u3000\u3000\u65e0\u7ebf\u6536\u53d1\u82af\u7247\u901a\u8fc7\u65e0\u7ebf\u7535\u6ce2\u8fdb\u884c\u4fe1\u53f7\u7684\u4f20\u8f93\u548c\u63a5\u6536\u3002\u5176\u5de5\u4f5c\u539f\u7406\u4e3b\u8981\u5305\u62ec\u5c04\u9891\u4fe1\u53f7\u7684\u8c03\u5236\u4e0e\u89e3\u8c03\u3001\u9891\u8c31\u5206\u6790\u548c\u4fe1\u53f7\u5904\u7406\u7b49\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u65e0\u7ebf\u6536\u53d1\u82af\u7247\u80fd\u591f\u5b9e\u73b0\u9ad8\u901f\u7387\u7684\u6570\u636e\u4f20\u8f93\u3002\u4f8b\u5982\uff0cPTR2000\u6a21\u5757\u5177\u670919.2Kbps\u7684\u65e0\u7ebf\u6536\u53d1\u6570\u4f20\u529f\u80fd\uff0c\u9002\u7528\u4e8e\u9700\u8981\u9ad8\u901f\u5ea6\u6570\u636e\u4f20\u8f93\u7684\u5e94\u7528\u573a\u666f\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u65e0\u7ebf\u6536\u53d1\u82af\u7247\u901a\u5e38\u8bbe\u8ba1\u4e3a\u8d85\u5c0f\u578b\u6a21\u5757\u5668\u4ef6\uff0c\u5177\u6709\u8d85\u4f4e\u529f\u8017\u7279\u6027\uff0c\u8fd9\u4f7f\u5f97\u5b83\u4eec\u5728\u4fbf\u643a\u8bbe\u5907\u548c\u8fdc\u7a0b\u63a7\u5236\u7cfb\u7edf\u4e2d\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u65e0\u7ebf\u6536\u53d1\u82af\u7247\u5e7f\u6cdb\u5e94\u7528\u4e8e\u65e0\u7ebf\u7f51\u7edc\u3001\u5c0f\u533a\u4f20\u547c\u3001\u95e8\u7981\u7cfb\u7edf\u3001\u5de5\u4e1a\u6570\u636e\u91c7\u96c6\u7b49\u591a\u4e2a\u9886\u57df\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. \u6280\u672f\u7ec6\u8282<\/h3>\n\n\n\n<p>\u3000\u3000\u65e0\u7ebf\u6536\u53d1\u82af\u7247\u5305\u62ec\u9891\u7387\u53d1\u751f\u5668\u3001\u589e\u5f3a\u578b\u6a21\u5f0f\u63a7\u5236\u5668\u3001\u529f\u7387\u653e\u5927\u5668\u3001\u6676\u4f53\u632f\u8361\u5668\u7b49\u7ec4\u4ef6\u3002\u8fd9\u4e9b\u7ec4\u4ef6\u5171\u540c\u5de5\u4f5c\uff0c\u786e\u4fdd\u4fe1\u53f7\u7684\u6709\u6548\u4f20\u8f93\u548c\u63a5\u6536\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u65e0\u7ebf\u6536\u53d1\u82af\u7247\u901a\u8fc7\u8c03\u5236\u4e0e\u89e3\u8c03\u6280\u672f\u5c06\u6570\u5b57\u4fe1\u53f7\u8f6c\u6362\u4e3a\u65e0\u7ebf\u7535\u6ce2\uff0c\u5e76\u5c06\u63a5\u6536\u5230\u7684\u65e0\u7ebf\u7535\u6ce2\u8f6c\u6362\u56de\u6570\u5b57\u4fe1\u53f7\u3002\u8fd9\u4e00\u8fc7\u7a0b\u6d89\u53ca\u5230\u590d\u6742\u7684\u4fe1\u53f7\u5904\u7406\u7b97\u6cd5\uff0c\u4ee5\u786e\u4fdd\u4fe1\u53f7\u7684\u51c6\u786e\u4f20\u8f93\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u65e0\u7ebf\u901a\u4fe1\u8fc7\u7a0b\u4e2d\uff0c\u9891\u8c31\u5206\u6790\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u4e00\u6b65\u3002\u65e0\u7ebf\u6536\u53d1\u82af\u7247\u9700\u8981\u5bf9\u4fe1\u53f7\u8fdb\u884c\u9891\u8c31\u5206\u6790\uff0c\u4ee5\u907f\u514d\u9891\u7387\u51b2\u7a81\u548c\u5e72\u6270\uff0c\u786e\u4fdd\u901a\u4fe1\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u65e0\u7ebf\u6536\u53d1\u82af\u7247\u7684\u65f6\u5e8f\u7ba1\u7406\u975e\u5e38\u5173\u952e\u3002\u4f8b\u5982\uff0cCC1100\u6a21\u5757\u7684\u6280\u672f\u624b\u518c\u4e2d\u8be6\u7ec6\u4ecb\u7ecd\u4e86\u53d1\u9001\u65f6\u5e8f\u4e0e\u63a5\u6536\u65f6\u5e8f\u7b49\u65f6\u5e8f\u56fe\uff0c\u8fd9\u4e9b\u65f6\u5e8f\u56fe\u5e2e\u52a9\u5f00\u53d1\u8005\u7406\u89e3\u548c\u4f18\u5316\u4fe1\u53f7\u4f20\u8f93\u8fc7\u7a0b\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u65e0\u7ebf\u6536\u53d1\u82af\u7247\u7684\u5e94\u7528\u7535\u8def\u8bbe\u8ba1\u4e5f\u975e\u5e38\u91cd\u8981\u3002\u4e0d\u540c\u7684\u82af\u7247\u5982nRF401\u3001nRF903\u548cCC1000\u5728\u7ed3\u6784\u539f\u7406\u548c\u7279\u6027\u4e0a\u6709\u6240\u4e0d\u540c\uff0c\u5f00\u53d1\u8005\u9700\u8981\u6839\u636e\u5177\u4f53\u5e94\u7528\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u82af\u7247\uff0c\u5e76\u8bbe\u8ba1\u76f8\u5e94\u7684\u5e94\u7528\u7535\u8def\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4e00\u4e9b\u65e0\u7ebf\u6536\u53d1\u82af\u7247\u5982NRF24L01\u91c7\u7528\u589e\u5f3a\u578b&#8221;SchockBurst&#8221;\u6a21\u5f0f\u63a7\u5236\u5668\uff0c\u8fd9\u79cd\u6a21\u5f0f\u63a7\u5236\u5668\u53ef\u4ee5\u63d0\u9ad8\u901a\u4fe1\u6548\u7387\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u65e0\u7ebf\u6536\u53d1\u82af\u7247\u5728\u6570\u4f20\u6a21\u5757\u4e2d\u901a\u8fc7\u9ad8\u6548\u7684\u4fe1\u53f7\u5904\u7406\u3001\u4f4e\u529f\u8017\u8bbe\u8ba1\u548c\u591a\u6837\u5316\u7684\u5e94\u7528\u573a\u666f\uff0c\u53d1\u6325\u7740\u4e0d\u53ef\u6216\u7f3a\u7684\u4f5c\u7528\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 \u9501\u76f8\u73af(PLL)\u5728\u6570\u4f20\u6a21\u5757\u4e2d\u5982\u4f55\u786e\u4fdd\u4fe1\u53f7\u7684\u540c\u6b65\u548c\u7a33\u5b9a\u6027?<\/h2>\n\n\n\n<p>\u3000\u3000\u9501\u76f8\u73af(PLL)\u5728\u6570\u4f20\u6a21\u5757\u4e2d\u786e\u4fdd\u4fe1\u53f7\u7684\u540c\u6b65\u548c\u7a33\u5b9a\u6027\u4e3b\u8981\u901a\u8fc7\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u5b9e\u73b0\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u9501\u76f8\u73af(PLL)\u662f\u4e00\u4e2a\u95ed\u73af\u53cd\u9988\u7cfb\u7edf\uff0c\u80fd\u591f\u6bd4\u8f83\u8f93\u51fa\u4e0e\u8f93\u5165\u76f8\u4f4d\u5dee\uff0c\u5e76\u5229\u7528\u5916\u90e8\u8f93\u5165\u7684\u53c2\u8003\u4fe1\u53f7\u63a7\u5236\u73af\u8def\u5185\u632f\u8361\u4fe1\u53f7\u7684\u9891\u7387\u548c\u76f8\u4f4d\uff0c\u4f7f\u632f\u8361\u4fe1\u53f7\u540c\u6b65\u81f3\u53c2\u8003\u4fe1\u53f7\u3002\u5176\u6838\u5fc3\u529f\u80fd\u662f\u5728\u8f93\u5165\u4fe1\u53f7\u7684\u76f8\u4f4d\u53d8\u5316\u65f6\uff0c\u81ea\u52a8\u8c03\u6574\u8f93\u51fa\u4fe1\u53f7\u4ee5\u4fdd\u6301\u540c\u6b65\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>\u7ec4\u6210\u90e8\u5206<\/strong>\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u9274\u76f8\u5668(Phase Detector, PD)<\/strong>\uff1a\u68c0\u6d4b\u8f93\u5165\u4fe1\u53f7(Vin)\u548c\u8f93\u51fa\u4fe1\u53f7(Vout)\u4e4b\u95f4\u7684\u76f8\u4f4d\u504f\u79fb\uff0c\u5e76\u4ea7\u751f\u4e00\u4e2a\u68c0\u6d4b\u4fe1\u53f7\uff0c\u8be5\u4fe1\u53f7\u5305\u542b\u4f4e\u9891\u548c\u9ad8\u9891\u6210\u5206\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4f4e\u901a\u6ee4\u6ce2\u5668(Low Pass Filter, LPF)<\/strong>\uff1a\u5c06\u9274\u76f8\u5668\u4ea7\u751f\u7684\u9ad8\u9891\u6210\u5206\u8fdb\u884c\u6ee4\u9664\uff0c\u53ea\u4fdd\u7559\u4f4e\u9891\u6210\u5206\uff0c\u4ee5\u51cf\u5c11\u566a\u58f0\u5bf9\u7cfb\u7edf\u7684\u5f71\u54cd\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u538b\u63a7\u632f\u8361\u5668(Voltage-Controlled Oscillator, VCO)<\/strong>\uff1a\u6839\u636e\u4f4e\u901a\u6ee4\u6ce2\u5668\u8f93\u51fa\u7684\u4f4e\u9891\u4fe1\u53f7\u8c03\u6574\u5176\u9891\u7387\u548c\u76f8\u4f4d\uff0c\u4ee5\u8ddf\u8e2a\u8f93\u5165\u53c2\u8003\u4fe1\u53f7\u7684\u53d8\u5316\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u5f53\u8f93\u5165\u53c2\u8003\u4fe1\u53f7\u7684\u9891\u7387\u548c\u76f8\u4f4d\u53d1\u751f\u53d8\u5316\u65f6\uff0c\u538b\u63a7\u632f\u8361\u5668\u7684\u9891\u7387\u548c\u76f8\u4f4d\u4f1a\u4e0d\u65ad\u8ddf\u8e2a\u8f93\u5165\u53c2\u8003\u4fe1\u53f7\u9891\u7387\u7684\u53d8\u5316\uff0c\u4ece\u800c\u5b9e\u73b0\u8f93\u51fa\u4fe1\u53f7\u7684\u540c\u6b65\u3002\u8fd9\u4e00\u8fc7\u7a0b\u901a\u8fc7\u95ed\u73af\u53cd\u9988\u63a7\u5236\u7cfb\u7edf\u5b9e\u73b0\uff0c\u786e\u4fdd\u4e86\u8f93\u51fa\u4fe1\u53f7\u4e0e\u8f93\u5165\u4fe1\u53f7\u5728\u9891\u7387\u548c\u76f8\u4f4d\u4e0a\u7684\u540c\u6b65\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4e3a\u4e86\u63d0\u9ad8PLL\u7684\u7a33\u5b9a\u6027\uff0c\u53ef\u4ee5\u901a\u8fc7\u5206\u6790PLL\u96f6\u6781\u70b9\u548c\u6ce2\u7279\u56fe\u6765\u8fdb\u884c\u8bc4\u4f30\u3002\u5f53LPF\u4e3a\u4e00\u9636\u65f6\uff0c\u5176\u63d0\u4f9b\u7684\u6ee4\u6ce2\u6548\u679c\u4f1a\u5f71\u54cdPLL\u7684\u7a33\u5b9a\u6027\u3002\u6b64\u5916\uff0c\u8bbe\u8ba1\u9ad8\u6548\u7684\u6ee4\u6ce2\u5668\u4e5f\u662f\u63d0\u9ad8PLL\u7a33\u5b9a\u6027\u548c\u51c6\u786e\u6027\u7684\u5173\u952e\u3002<\/p>\n\n\n\n<p>\u3000\u3000PLL\u6280\u672f\u5e7f\u6cdb\u5e94\u7528\u4e8e\u901a\u4fe1\u3001\u81ea\u52a8\u63a7\u5236\u3001\u97f3\u9891\u5904\u7406\u3001\u56fe\u50cf\u5904\u7406\u7b49\u9886\u57df\uff0c\u56e0\u5176\u80fd\u591f\u5b9e\u73b0\u7cbe\u786e\u7684\u76f8\u4f4d\u63a7\u5236\u548c\u4fe1\u53f7\u8ddf\u8e2a\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u9501\u76f8\u73af(PLL)\u901a\u8fc7\u5176\u95ed\u73af\u53cd\u9988\u7cfb\u7edf\u7684\u8bbe\u8ba1\uff0c\u7ed3\u5408\u9274\u76f8\u5668\u3001\u4f4e\u901a\u6ee4\u6ce2\u5668\u548c\u538b\u63a7\u632f\u8361\u5668\u7b49\u7ec4\u4ef6\uff0c\u80fd\u591f\u6709\u6548\u5730\u5b9e\u73b0\u4fe1\u53f7\u7684\u540c\u6b65\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 \u4e32\u53e3\u6a21\u5757\u4e0e\u5176\u4ed6\u7c7b\u578b\u6a21\u5757(\u5982RS-232\u6216RS-485)\u5728\u6570\u636e\u4f20\u8f93\u4e2d\u7684\u4f18\u52bf\u548c\u5e94\u7528\u573a\u666f\u5206\u522b\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n<p>\u3000\u3000\u4e32\u53e3\u6a21\u5757\u4e0eRS-232\u548cRS-485\u5728\u6570\u636e\u4f20\u8f93\u4e2d\u7684\u4f18\u52bf\u548c\u5e94\u7528\u573a\u666f\u5404\u6709\u4e0d\u540c\uff0c\u4ee5\u4e0b\u662f\u8be6\u7ec6\u7684\u5206\u6790\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. \u4e32\u53e3\u6a21\u5757<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u3000\u3000<strong>\u4f18\u52bf\uff1a<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u7b80\u5355\u6613\u7528<\/strong>\uff1a\u4e32\u53e3\u6a21\u5757\u901a\u5e38\u5177\u6709\u8f83\u4e3a\u7b80\u5355\u7684\u914d\u7f6e\u548c\u8c03\u8bd5\u8fc7\u7a0b\uff0c\u9002\u5408\u521d\u5b66\u8005\u548c\u975e\u4e13\u4e1a\u4eba\u58eb\u4f7f\u7528\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5e7f\u6cdb\u7684\u517c\u5bb9\u6027<\/strong>\uff1a\u4e32\u53e3\u6a21\u5757\u53ef\u4ee5\u4e0e\u591a\u79cd\u8bbe\u5907\u8fdb\u884c\u901a\u4fe1\uff0c\u5305\u62ec\u8ba1\u7b97\u673a\u3001PLC\u7b49\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4f4e\u6210\u672c<\/strong>\uff1a\u76f8\u6bd4\u4e8e\u5176\u4ed6\u7c7b\u578b\u7684\u6a21\u5757\uff0c\u4e32\u53e3\u6a21\u5757\u901a\u5e38\u4ef7\u683c\u8f83\u4f4e\uff0c\u9002\u5408\u9884\u7b97\u6709\u9650\u7684\u9879\u76ee\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u3000\u3000<strong>\u5e94\u7528\u573a\u666f\uff1a<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u5de5\u4e1a\u81ea\u52a8\u5316<\/strong>\uff1a\u4e32\u53e3\u6a21\u5757\u5e38\u7528\u4e8e\u8fde\u63a5\u7535\u8111\u548cPLC(\u53ef\u7f16\u7a0b\u903b\u8f91\u63a7\u5236\u5668)\uff0c\u5b9e\u73b0\u76d1\u63a7\u3001\u6570\u636e\u91c7\u96c6\u548c\u8fdc\u7a0b\u63a7\u5236\u7b49\u529f\u80fd\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6570\u636e\u4f20\u8f93<\/strong>\uff1a\u5728\u8ba1\u7b97\u673a\u548c\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u63d0\u4f9b\u6807\u51c6\u7684\u4e32\u884c\u901a\u4fe1\u8fde\u63a5\u65b9\u5f0f\uff0c\u9002\u7528\u4e8e\u6570\u636e\u4f20\u8f93\u3001\u8fdc\u7a0b\u63a7\u5236\u7b49\u529f\u80fd\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6570\u5b57\u4eea\u5668\u63a7\u5236<\/strong>\uff1a\u5728\u96c6\u4e2d\u76d1\u63a7\u548c\u6570\u5b57\u4eea\u5668\u63a7\u5236\u4e2d\u4e5f\u6709\u5e7f\u6cdb\u5e94\u7528\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. RS-232<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u3000\u3000<strong>\u4f18\u52bf\uff1a<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u7b80\u5355\u6613\u7528<\/strong>\uff1aRS-232\u63a5\u53e3\u901a\u5e38\u6613\u4e8e\u914d\u7f6e\u548c\u8c03\u8bd5\uff0c\u652f\u6301\u5355\u70b9\u901a\u4fe1\uff0c\u9002\u7528\u4e8e\u8ddd\u79bb\u8f83\u77ed\u7684\u6570\u636e\u4f20\u8f93\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5e7f\u6cdb\u7684\u517c\u5bb9\u6027<\/strong>\uff1aRS-232\u662f\u4e00\u79cd\u6807\u51c6\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u53ef\u4ee5\u4e0e\u591a\u79cd\u8bbe\u5907\u8fdb\u884c\u901a\u4fe1\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027<\/strong>\uff1aRS-232\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u3001\u901a\u4fe1\u9886\u57df\u4ee5\u53ca\u5404\u79cd\u4e13\u4e1a\u8bbe\u5907\u7684\u63a7\u5236\u548c\u6570\u636e\u4f20\u8f93\u4e2d\u8868\u73b0\u51fa\u8272\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u3000\u3000<strong>\u5e94\u7528\u573a\u666f\uff1a<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u5de5\u4e1a\u81ea\u52a8\u5316<\/strong>\uff1a\u5e38\u7528\u4e8e\u8fde\u63a5\u7535\u8111\u548cPLC\uff0c\u4ee5\u5b9e\u73b0\u76d1\u63a7\u3001\u6570\u636e\u91c7\u96c6\u548c\u8fdc\u7a0b\u63a7\u5236\u7b49\u529f\u80fd\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6570\u636e\u4f20\u8f93<\/strong>\uff1a\u5728\u8ba1\u7b97\u673a\u548c\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u63d0\u4f9b\u6807\u51c6\u7684\u4e32\u884c\u901a\u4fe1\u8fde\u63a5\u65b9\u5f0f\uff0c\u9002\u7528\u4e8e\u6570\u636e\u4f20\u8f93\u3001\u8fdc\u7a0b\u63a7\u5236\u7b49\u529f\u80fd\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u901a\u4fe1\u9886\u57df<\/strong>\uff1a\u5e7f\u6cdb\u5e94\u7528\u4e8e\u901a\u4fe1\u9886\u57df\uff0c\u7279\u522b\u662f\u5728\u9700\u8981\u5feb\u901f\u4f20\u8f93\u5927\u91cf\u6570\u636e\u7684\u5e94\u7528\u4e2d\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003. RS-485<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u3000\u3000<strong>\u4f18\u52bf\uff1a<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u9ad8\u901f\u4f20\u8f93<\/strong>\uff1aRS-485\u652f\u6301\u9ad8\u901f\u6570\u636e\u4f20\u8f93\uff0c\u901a\u5e38\u80fd\u591f\u8fbe\u523010Mbps\u4ee5\u4e0a\u7684\u901f\u7387\uff0c\u9002\u7528\u4e8e\u9700\u8981\u5feb\u901f\u4f20\u8f93\u5927\u91cf\u6570\u636e\u7684\u5e94\u7528\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u957f\u8ddd\u79bb\u4f20\u8f93<\/strong>\uff1aRS-485\u5177\u6709\u8fdc\u8ddd\u79bb\u4f20\u8f93\u7684\u80fd\u529b\uff0c\u9002\u7528\u4e8e\u5927\u8303\u56f4\u7684\u7f51\u7edc\u8986\u76d6\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6297\u5e72\u6270\u80fd\u529b\u5f3a<\/strong>\uff1aRS-485\u5728\u590d\u6742\u73af\u5883\u4e2d\u8868\u73b0\u51fa\u8272\uff0c\u5177\u6709\u5f88\u5f3a\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u591a\u70b9\u8fde\u63a5<\/strong>\uff1aRS-485\u652f\u6301\u591a\u70b9\u8fde\u63a5\uff0c\u9002\u7528\u4e8e\u9700\u8981\u8fde\u63a5\u591a\u4e2a\u8bbe\u5907\u7684\u573a\u666f\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u3000\u3000<strong>\u5e94\u7528\u573a\u666f\uff1a<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf<\/strong>\uff1a\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\uff0c\u6570\u636e\u91c7\u96c6\u7cfb\u7edf\uff0c\u8fdc\u7a0b\u76d1\u63a7\u7cfb\u7edf\u7b49\u9886\u57df\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u667a\u80fd\u697c\u5b87\u7cfb\u7edf<\/strong>\uff1a\u5728\u667a\u80fd\u697c\u5b87\u7cfb\u7edf\u4e2d\u4e5f\u6709\u5e7f\u6cdb\u5e94\u7528\uff0c\u7279\u522b\u662f\u5728\u9700\u8981\u8fdc\u8ddd\u79bb\u4f20\u8f93\u548c\u9ad8\u53ef\u9760\u6027\u7684\u573a\u666f\u4e2d\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7535\u529b\u7cfb\u7edf<\/strong>\uff1a\u5728\u7535\u529b\u7cfb\u7edf\u4e2d\uff0cRS-485\u7684\u9ad8\u53ef\u9760\u6027\u548c\u6297\u5e72\u6270\u80fd\u529b\u4f7f\u5176\u6210\u4e3a\u9996\u9009\u7684\u901a\u4fe1\u63a5\u53e3\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u4e32\u53e3\u6a21\u5757\u3001RS-232\u548cRS-485\u5404\u6709\u5176\u72ec\u7279\u7684\u4f18\u52bf\u548c\u5e94\u7528\u573a\u666f\u3002\u4e32\u53e3\u6a21\u5757\u4ee5\u5176\u7b80\u5355\u6613\u7528\u548c\u4f4e\u6210\u672c\u7684\u7279\u70b9\uff0c\u9002\u7528\u4e8e\u591a\u79cd\u57fa\u7840\u7684\u6570\u636e\u4f20\u8f93\u548c\u63a7\u5236\u573a\u666f;RS-232\u5219\u4ee5\u5176\u5e7f\u6cdb\u7684\u517c\u5bb9\u6027\u548c\u7a33\u5b9a\u6027\uff0c\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u548c\u901a\u4fe1\u9886\u57df\u4e2d\u5360\u636e\u91cd\u8981\u5730\u4f4d;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e94\u3001 CSS\u6570\u5b57\u8c03\u5236\u89e3\u8c03\u6280\u672f\u7684\u5de5\u4f5c\u539f\u7406\u53ca\u5176\u5728\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u4e2d\u7684\u5e94\u7528\u6548\u679c\u5982\u4f55?<\/h2>\n\n\n\n<p>\u3000\u3000CSS(Chirp Spread Spectrum\uff0c\u5541\u557e\u6269\u9891)\u8c03\u5236\u6280\u672f\u662f\u4e00\u79cd\u57fa\u4e8e\u6269\u9891\u8c03\u5236\u7684\u9ad8\u7ea7\u8c03\u5236\u6280\u672f\u3002\u5176\u6838\u5fc3\u539f\u7406\u662f\u5c06\u7a84\u5e26\u8c03\u5236\u4fe1\u53f7\u901a\u8fc7\u4e00\u7cfb\u5217\u7ebf\u6027\u8c03\u9891(LFM)\u4fe1\u53f7\u8fdb\u884c\u6269\u9891\uff0c\u4ece\u800c\u589e\u5f3a\u4fe1\u53f7\u7684\u6297\u5e72\u6270\u80fd\u529b\u548c\u7a7f\u900f\u80fd\u529b\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5177\u4f53\u6765\u8bf4\uff0cCSS\u8c03\u5236\u6280\u672f\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u5b9e\u73b0\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u6269\u9891<\/strong>\uff1a\u5c06\u7a84\u5e26\u8c03\u5236\u4fe1\u53f7\u901a\u8fc7\u7ebf\u6027\u8c03\u9891\u4fe1\u53f7\u8fdb\u884c\u6269\u9891\u3002\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\uff0c\u8c03\u5236\u4fe1\u53f7\u7684\u9891\u7387\u968f\u65f6\u95f4\u7ebf\u6027\u53d8\u5316\uff0c\u5f62\u6210\u6240\u8c13\u7684\u201c\u5541\u557e\u201d\u4fe1\u53f7\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4fe1\u53f7\u4f20\u8f93<\/strong>\uff1a\u5728LoRa\u7269\u7406\u5c42\u4e2d\uff0cCSS\u8c03\u5236\u6280\u672f\u901a\u8fc7\u5b9a\u4e49\u8c03\u5236\u5e26\u5bbdBW\u548c\u6269\u9891\u56e0\u5b50\uff0c\u5f97\u5230\u4e86\u7801\u7247\u603b\u6570\uff0c\u5e76\u901a\u8fc7\u63a7\u5236\u4e0d\u540cChirp\u4fe1\u53f7\u7684\u521d\u59cb\u626b\u9891\u9891\u7387\u6765\u533a\u5206\u4e0d\u540c\u7684\u7b26\u53f7\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000CSS\u8c03\u5236\u6280\u672f\u5728\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u4e2d\u7684\u5e94\u7528\u6548\u679c\u975e\u5e38\u663e\u8457\uff0c\u7279\u522b\u662f\u5728LoRa\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\u4e2d\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\u3002\u8fd9\u79cd\u6280\u672f\u80fd\u591f\u5b9e\u73b0\u8fdc\u8ddd\u79bb\u3001\u4f4e\u529f\u8017\u548c\u9ad8\u6297\u5e72\u6270\u6027\u7684\u901a\u4fe1\u7279\u6027\u3002\u76f8\u8f83\u4e8e\u4f20\u7edf\u7684ASK\u3001FSK\u7b49\u8c03\u5236\u6280\u672f\uff0cCSS\u5177\u6709\u66f4\u8fdc\u7684\u4f20\u8f93\u8ddd\u79bb\u548c\u66f4\u5f3a\u7684\u6297\u5e72\u6270\u6027\u3002\u7814\u7a76\u8868\u660e\uff0cCSS\u8c03\u5236\u6280\u672f\u80fd\u663e\u8457\u51cf\u5c11\u591a\u5f84\u5e72\u6270\u7684\u5f71\u54cd\uff0c\u6709\u6548\u5730\u964d\u4f4e\u79fb\u52a8\u901a\u4fe1\u5e26\u6765\u7684\u5feb\u8870\u843d\u5f71\u54cd\uff0c\u975e\u5e38\u9002\u5408\u65e0\u7ebf\u63a5\u5165\u7684\u5e94\u7528\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u6b64\u5916\uff0cCSS\u6280\u672f\u8fd8\u88ab\u7528\u4e8e\u975e\u8702\u7a9d\u5e7f\u57df\u7f51\u7edc(NB-IoT)\uff0c\u80fd\u591f\u63d0\u5347\u65e0\u7ebf\u901a\u4fe1\u7684\u6027\u80fd\u548c\u8ddd\u79bb\uff0c\u5b9e\u73b0\u6bd4FSK(Frequency Shift Keying\uff0c\u9891\u79fb\u952e\u63a7)\u7b49\u8c03\u5236\u6280\u672f\u8ddd\u79bb\u66f4\u8fdc\u7684\u65e0\u7ebf\u901a\u4fe1\uff0c\u8fd9\u5bf9\u4e8e\u975e\u8702\u7a9d\u5e7f\u57df\u7f51\u7edc\u89c4\u6a21\u5316\u7684\u53d1\u5c55\u975e\u5e38\u6709\u52a9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6570\u4f20\u6a21\u5757\u662f\u4e00\u79cd\u7528\u4e8e\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u7684\u8bbe\u5907\uff0c\u5176\u7ec4\u6210\u90e8\u5206\u591a\u6837\u4e14\u590d\u6742\u3002\u6bcf\u4e2a\u7ec4\u4ef6\u90fd\u6709\u5176\u72ec\u7279\u7684\u529f\u80fd\u548c\u4f5c\u7528\uff0c\u5171\u540c\u534f\u4f5c\u4ee5\u5b9e\u73b0\u9ad8\u6548\u3001\u53ef\u9760\u7684\u65e0\u7ebf\u6570\u636e\u4f20\u8f93\u3002<\/p>\n","protected":false},"author":1,"featured_media":90809,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[36],"tags":[369],"class_list":["post-93425","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-wxscmk"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/93425","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/comments?post=93425"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/93425\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/90809"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=93425"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=93425"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=93425"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}