{"id":95934,"date":"2024-07-25T09:44:47","date_gmt":"2024-07-25T01:44:47","guid":{"rendered":"\/\/www.dealsbon.com\/?p=95934"},"modified":"2024-07-25T09:44:52","modified_gmt":"2024-07-25T01:44:52","slug":"sxpcsjs","status":"publish","type":"post","link":"\/\/www.dealsbon.com\/blog\/95934.html","title":{"rendered":"SX1276\u82af\u7247\u53c2\u6570\u4ecb\u7ecd"},"content":{"rendered":"\n<p>\u3000\u3000SX1276\u82af\u7247\u662f\u4e00\u6b3e\u57fa\u4e8eLoRa\u6280\u672f\u7684\u957f\u8ddd\u79bb\u6536\u53d1\u5668\uff0c\u5177\u6709\u4ee5\u4e0b\u5177\u4f53\u6280\u672f\u89c4\u683c\u548c\u6027\u80fd\u53c2\u6570\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u5de5\u4f5c\u9891\u7387\u8303\u56f4<\/strong>\uff1aSX1276\u652f\u6301\u4ece137MHz\u52301020MHz\u7684\u9891\u7387\u8303\u56f4\u3002\u67d0\u4e9b\u7248\u672c\u5982SX1276IMLTRT\u5219\u652f\u6301137-1050MHz\u7684\u9891\u7387\u8303\u56f4\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u8c03\u5236\u6280\u672f<\/strong>\uff1a\u8be5\u82af\u7247\u91c7\u7528\u4e86Semtech\u516c\u53f8\u4e13\u5229\u7684LoRa\u8c03\u5236\u6280\u672f\uff0c\u8fd9\u79cd\u8c03\u5236\u6280\u672f\u80fd\u591f\u5b9e\u73b0\u8d85\u957f\u8ddd\u79bb\u7684\u6269\u9891\u901a\u4fe1\uff0c\u5e76\u4e14\u5177\u6709\u9ad8\u6297\u5e72\u6270\u80fd\u529b\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6570\u636e\u901f\u7387<\/strong>\uff1a\u6700\u5927\u6570\u636e\u901f\u7387\u4e3a300 kbps\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u53d1\u5c04\u529f\u7387<\/strong>\uff1a\u53ef\u8c03\u8303\u56f4\u4e3a-20dBm\u81f3+17dBm\uff0c\u63a8\u8350\u4f7f\u7528+20dBm\u4ee5\u83b7\u5f97\u6700\u4f73\u6027\u80fd\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u901a\u4fe1\u8ddd\u79bb<\/strong>\uff1a\u5728\u7406\u60f3\u6761\u4ef6\u4e0b\uff0c\u901a\u4fe1\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u52305\u516c\u91cc\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5c01\u88c5\u7c7b\u578b<\/strong>\uff1a\u63d0\u4f9bQFN-28\u5c01\u88c5\u5f62\u5f0f\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u529f\u8017<\/strong>\uff1a\u8be5\u82af\u7247\u8bbe\u8ba1\u4e3a\u8d85\u4f4e\u529f\u8017\uff0c\u9002\u7528\u4e8e\u9700\u8981\u957f\u65f6\u95f4\u8fd0\u884c\u7684\u5e94\u7528\u573a\u666f\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6e29\u5ea6\u8303\u56f4<\/strong>\uff1a\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4\u4e3a-40\u00b0C\u81f3+85\u00b0C\uff0c\u7b26\u5408\u5de5\u4e1a\u6807\u51c6\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000<strong>\u5176\u4ed6\u7279\u6027<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u9ad8\u7075\u654f\u5ea6\u63a5\u6536\u5668\uff0c\u80fd\u591f\u5b9e\u73b0\u8d85\u8fc7-148dBm\u7684\u7075\u654f\u5ea6\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u652f\u6301\u591a\u79cd\u8c03\u5236\u65b9\u5f0f\uff0c\u5305\u62ecGFSK\u3001FSK\u3001OOK\u548cGMSK\u7b49\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u63d0\u4f9b\u7075\u6d3b\u7684\u5e26\u5bbd\u9009\u9879\uff0c\u4ece7.8 kHz\u5230500 kHz\u4e0d\u7b49\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5177\u5907\u4f4e\u7535\u6c60\u68c0\u6d4b\u529f\u80fd\uff0c\u53ef\u4ee5\u901a\u8fc7\u5bc4\u5b58\u5668\u8c03\u8282\u7535\u6e90\u7535\u538b\u9608\u503c\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u62e5\u6709\u5185\u90e8\u7535\u538b\u8c03\u8282\u65b9\u6848\u548c\u6676\u632f\u53c2\u8003\u65f6\u949f\uff0c\u786e\u4fdd\u7a33\u5b9a\u7684\u5de5\u4f5c\u6027\u80fd\u3002<\/p>\n\n\n\n<p>\u3000\u3000SX1276\u82af\u7247\u51ed\u501f\u5176\u51fa\u8272\u7684\u957f\u8ddd\u79bb\u901a\u4fe1\u80fd\u529b\u3001\u9ad8\u6297\u5e72\u6270\u6027\u548c\u8d85\u4f4e\u529f\u8017\u7279\u6027\uff0c\u6210\u4e3a\u7269\u8054\u7f51(IoT)\u3001\u8fdc\u7a0b\u76d1\u6d4b\u548c\u667a\u80fd\u4f20\u611f\u7b49\u9886\u57df\u7684\u91cd\u8981\u9009\u62e9\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 SX1276\u82af\u7247\u7684LoRa\u8c03\u5236\u6280\u672f\u5177\u4f53\u662f\u5982\u4f55\u5b9e\u73b0\u8d85\u957f\u8ddd\u79bb\u6269\u9891\u901a\u4fe1\u7684?<\/h2>\n\n\n\n<p>\u3000\u3000SX1276\u82af\u7247\u7684LoRa\u8c03\u5236\u6280\u672f\u901a\u8fc7\u591a\u79cd\u673a\u5236\u5b9e\u73b0\u8d85\u957f\u8ddd\u79bb\u6269\u9891\u901a\u4fe1\uff0c\u5177\u4f53\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u76f4\u63a5\u5e8f\u5217\u6269\u9891(DSSS)\u548c\u9891\u7387\u952e\u63a7(FSK)<\/strong>\uff1aLoRa\u6280\u672f\u91c7\u7528\u76f4\u63a5\u5e8f\u5217\u6269\u9891(DSSS)\u548c\u9891\u7387\u952e\u63a7(FSK)\uff0c\u8fd9\u4e9b\u6280\u672f\u53ef\u4ee5\u6709\u6548\u5730\u6269\u5c55\u4fe1\u53f7\u5e26\u5bbd\uff0c\u4ece\u800c\u63d0\u9ad8\u4fe1\u53f7\u7684\u6297\u5e72\u6270\u80fd\u529b\u548c\u7a7f\u900f\u529b\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u9ad8\u7075\u654f\u5ea6\u548c\u4f4e\u529f\u8017<\/strong>\uff1aSX1276\u5177\u6709\u8d85\u8fc7-148dBm\u7684\u9ad8\u7075\u654f\u5ea6\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u53ef\u4ee5\u5728\u975e\u5e38\u4f4e\u7684\u529f\u7387\u6c34\u5e73\u4e0b\u63a5\u6536\u5230\u4fe1\u53f7\u3002\u540c\u65f6\uff0c\u8be5\u82af\u7247\u8fd8\u8bbe\u8ba1\u6709\u9ad8\u6548\u7684\u529f\u7387\u653e\u5927\u5668(PA)\uff0c\u6700\u5927\u8f93\u51fa\u529f\u7387\u53ef\u8fbe+20dBm\u81f3+100mW\uff0c\u5e76\u4e14\u5728+14dbm\u65f6\u6548\u7387\u8f83\u9ad8\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4e13\u5229LoRa\u8c03\u5236\u6280\u672f<\/strong>\uff1aSemtech\u7684\u4e13\u5229LoRa\u8c03\u5236\u6280\u672f\u4f7f\u5f97SX1276\u80fd\u591f\u5b9e\u73b0\u8d85\u957f\u8ddd\u79bb\u7684\u901a\u4fe1\u3002\u8fd9\u79cd\u8c03\u5236\u6280\u672f\u4e0d\u4ec5\u63d0\u9ad8\u4e86\u4fe1\u53f7\u7684\u6297\u5e72\u6270\u80fd\u529b\uff0c\u8fd8\u663e\u8457\u964d\u4f4e\u4e86\u7535\u6d41\u6d88\u8017\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4fe1\u9053\u6d3b\u52a8\u68c0\u6d4b\u6a21\u5f0f(CAD)<\/strong>\uff1aCAD\u6a21\u5f0f\u662f\u4e00\u79cd\u7528\u4e8e\u68c0\u6d4b\u65e0\u7ebf\u7535\u4fe1\u9053\u4e0a\u6d3b\u52a8\u7684\u65b9\u6cd5\u3002\u5f53\u8fdb\u5165CAD\u6a21\u5f0f\u65f6\uff0cSX1276\u4f1a\u5feb\u901f\u626b\u63cf\u9891\u5e26\u4ee5\u68c0\u6d4bLoRa\u6570\u636e\u5305\u7684\u524d\u5bfc\u7801\u3002\u8fd9\u6709\u52a9\u4e8e\u51cf\u5c11\u529f\u8017\u5e76\u63d0\u9ad8\u901a\u4fe1\u6548\u7387\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u52a8\u6001\u8c03\u6574\u548c\u4f18\u5316<\/strong>\uff1aSX1276\u652f\u6301\u53ef\u7f16\u7a0b\u901f\u7387\u9ad8\u8fbe300kbps\uff0c\u5e76\u4e14\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u4e0d\u540c\u7684\u53c2\u6570\u6765\u4f18\u5316\u4f20\u8f93\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u5728\u6700\u9ad8\u6570\u636e\u7387\u4f20\u8f93\u60c5\u51b5\u4e0b\uff0c\u9700\u8981\u5c06SpreadingFactor\u8bbe\u7f6e\u4e3a6.\u5e76\u8fdb\u884c\u4e00\u7cfb\u5217\u7684\u5bc4\u5b58\u5668\u914d\u7f6e\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4f4e\u6210\u672c\u6750\u6599<\/strong>\uff1a\u4f7f\u7528\u4f4e\u6210\u672c\u6676\u4f53\u548c\u7269\u6599\u5373\u53ef\u5b9e\u73b0\u8d85\u8fc7-148dBm\u7684\u7075\u654f\u5ea6\uff0c\u8fd9\u8fdb\u4e00\u6b65\u964d\u4f4e\u4e86\u6574\u4f53\u6210\u672c\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u603b\u4e4b\uff0cSX1276\u82af\u7247\u901a\u8fc7\u7ed3\u5408LoRa\u8c03\u5236\u6280\u672f\u3001\u9ad8\u7075\u654f\u5ea6\u3001\u4f4e\u529f\u8017\u8bbe\u8ba1\u4ee5\u53ca\u4fe1\u9053\u6d3b\u52a8\u68c0\u6d4b\u6a21\u5f0f\u7b49\u591a\u79cd\u5148\u8fdb\u6280\u672f\uff0c\u5b9e\u73b0\u4e86\u8d85\u957f\u8ddd\u79bb\u7684\u6269\u9891\u901a\u4fe1\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 SX1276\u82af\u7247\u5728\u4e0d\u540c\u73af\u5883\u6761\u4ef6\u4e0b\u7684\u6027\u80fd\u8868\u73b0<\/h2>\n\n\n\n<p>\u3000\u3000SX1276\u82af\u7247\u5728\u4e0d\u540c\u73af\u5883\u6761\u4ef6\u4e0b\u7684\u6027\u80fd\u8868\u73b0\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4<\/strong>\uff1aSX1276\u82af\u7247\u7684\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4\u4e3a-40\u00b0C\u81f385\u00b0C\u3002\u8fd9\u610f\u5473\u7740\u5b83\u53ef\u4ee5\u5728\u6781\u7aef\u7684\u6e29\u5ea6\u6761\u4ef6\u4e0b\u7a33\u5b9a\u5de5\u4f5c\uff0c\u9002\u7528\u4e8e\u5404\u79cd\u6076\u52a3\u73af\u5883\uff0c\u5982\u96e8\u3001\u96ea\u548c\u9ad8\u6e29\u7b49\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6297\u5e72\u6270\u80fd\u529b<\/strong>\uff1aSX1276\u5177\u6709\u5f3a\u5927\u7684\u6297\u5e72\u6270\u80fd\u529b\uff0c\u53ef\u4ee5\u5728\u590d\u6742\u7684\u7535\u78c1\u73af\u5883\u4e2d\u7a33\u5b9a\u5de5\u4f5c\u3002\u8fd9\u4f7f\u5f97\u5b83\u5728\u591a\u53d8\u7684\u901a\u4fe1\u73af\u5883\u4e2d\u4f9d\u7136\u80fd\u591f\u4fdd\u6301\u826f\u597d\u7684\u6027\u80fd\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7075\u6d3b\u6027\u548c\u53ef\u6269\u5c55\u6027<\/strong>\uff1aSX1276\u652f\u6301\u591a\u4e2a\u5de5\u4f5c\u9891\u6bb5\uff0c\u7528\u6237\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u9891\u6bb5\u8fdb\u884c\u901a\u4fe1\u3002\u8fd9\u79cd\u7075\u6d3b\u6027\u548c\u53ef\u6269\u5c55\u6027\u4f7f\u5176\u5728\u4e0d\u540c\u5730\u533a\u548c\u5e94\u7528\u573a\u666f\u4e2d\u5177\u5907\u4e86\u66f4\u9ad8\u7684\u9002\u5e94\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u529f\u8017\u548c\u5c3a\u5bf8<\/strong>\uff1a\u5c3d\u7ba1SX1276\u7684\u529f\u8017\u8f83\u9ad8\u4e14\u5c3a\u5bf8\u8f83\u5927\uff0c\u4f46\u5728\u4f20\u8f93\u8ddd\u79bb\u548c\u6297\u5e72\u6270\u80fd\u529b\u65b9\u9762\u8868\u73b0\u7a81\u51fa\u3002\u8fd9\u8868\u660e\u5b83\u5728\u9700\u8981\u8fdc\u8ddd\u79bb\u4f20\u8f93\u7684\u7269\u8054\u7f51\u8bbe\u5907\u4e2d\u8868\u73b0\u51fa\u8272\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u9ad8\u7075\u654f\u5ea6\u63a5\u6536\u548c\u4f4e\u529f\u8017\u53d1\u5c04<\/strong>\uff1aSX1276\u652f\u6301\u9ad8\u7075\u654f\u5ea6\u63a5\u6536\u548c\u4f4e\u529f\u8017\u53d1\u5c04\uff0c\u9002\u7528\u4e8e\u9700\u8981\u9ad8\u53ef\u9760\u6027\u548c\u4f4e\u529f\u8017\u7684\u65e0\u7ebf\u901a\u4fe1\u5e94\u7528\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6570\u636e\u5b89\u5168<\/strong>\uff1a\u57fa\u4e8eSX1276\u7684\u7cfb\u7edf\u8fd8\u63d0\u4f9b\u4e86\u6570\u636e\u5b8c\u6574\u6027\u68c0\u67e5\u548c\u9274\u6743\u529f\u80fd\uff0c\u652f\u6301AES-128\u52a0\u5bc6\u7b97\u6cd5\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 SX1276\u82af\u7247\u652f\u6301\u7684GFSK\u3001FSK\u3001OOK\u548cGMSK\u7b49\u591a\u79cd\u8c03\u5236\u65b9\u5f0f\u7684\u5177\u4f53\u5e94\u7528<\/h2>\n\n\n\n<p>\u3000\u3000SX1276\u82af\u7247\u652f\u6301\u591a\u79cd\u8c03\u5236\u65b9\u5f0f\uff0c\u5305\u62ecGFSK\u3001FSK\u3001OOK\u548cGMSK\u7b49\u3002\u8fd9\u4e9b\u8c03\u5236\u65b9\u5f0f\u5728\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u4e2d\u6709\u7740\u5404\u81ea\u7684\u4f18\u52bf\u548c\u7528\u9014\u3002<\/p>\n\n\n\n<p>\u3000\u30001.&nbsp;<strong>FSK(\u9891\u79fb\u952e\u63a7)<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5e94\u7528\u573a\u666f<\/strong>\uff1aFSK\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7a84\u5e26\u901a\u4fe1\u7cfb\u7edf\uff0c\u5982\u81ea\u52a8\u6284\u8868\u3001\u5bb6\u5ead\u548c\u5efa\u7b51\u81ea\u52a8\u5316\u4ee5\u53ca\u65e0\u7ebf\u62a5\u8b66\u7cfb\u7edf\u3002\u5b83\u7279\u522b\u9002\u7528\u4e8e\u9700\u8981\u9ad8\u53ef\u9760\u6027\u548c\u4f4e\u529f\u8017\u7684\u573a\u666f\uff0c\u4f8b\u5982\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u548c\u8fdc\u7a0b\u76d1\u63a7\u8bbe\u5907\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u7279\u70b9<\/strong>\uff1a\u7531\u4e8e\u5176\u4f4e\u529f\u8017\u548c\u7b80\u5355\u6027\uff0cFSK\u5728\u8fd9\u4e9b\u5e94\u7528\u4e2d\u975e\u5e38\u53d7\u6b22\u8fce\u3002\u6b64\u5916\uff0c\u901a\u8fc7\u4f7f\u7528\u9ad8\u65af\u6ee4\u6ce2\u5668\uff0c\u53ef\u4ee5\u6539\u5584\u7a84\u5e26\u54cd\u5e94\u5e76\u63d0\u9ad8\u4fe1\u53f7\u8d28\u91cf\u3002<\/p>\n\n\n\n<p>\u3000\u30002.&nbsp;<strong>GFSK(\u6269\u5c55\u9891\u8c31GFSK)<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5e94\u7528\u573a\u666f<\/strong>\uff1aGFSK\u9002\u7528\u4e8e\u9700\u8981\u9ad8\u6548\u9891\u8c31\u5229\u7528\u7387\u548c\u826f\u597d\u6297\u566a\u58f0\u6027\u80fd\u7684\u573a\u5408\uff0c\u5982\u7269\u8054\u7f51\u8bbe\u5907\u3001\u77ed\u8ddd\u79bb\u65e0\u7ebf\u901a\u4fe1\u548c\u6570\u636e\u4f20\u8f93\u3002\u5b83\u5e38\u7528\u4e8e\u9700\u8981\u9ad8\u6570\u636e\u901f\u7387\u548c\u957f\u8ddd\u79bb\u4f20\u8f93\u7684\u5e94\u7528\uff0c\u4f8b\u5982\u667a\u80fd\u57ce\u5e02\u57fa\u7840\u8bbe\u65bd\u548c\u8fdc\u7a0b\u533b\u7597\u8bbe\u5907\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u7279\u70b9<\/strong>\uff1aGFSK\u901a\u8fc7\u9891\u7387\u504f\u79fb\u5c06\u6570\u5b57\u4fe1\u606f\u5d4c\u5165\u5c04\u9891\u4fe1\u53f7\u4e2d\uff0c\u5e76\u4f7f\u7528\u9ad8\u65af\u6ee4\u6ce2\u5668\u6765\u63d0\u9ad8\u9891\u8c31\u5229\u7528\u7387\u548c\u6297\u566a\u58f0\u6027\u80fd\u3002<\/p>\n\n\n\n<p>\u3000\u30003.&nbsp;<strong>OOK(\u632f\u5e45\u952e\u63a7)<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5e94\u7528\u573a\u666f<\/strong>\uff1aOOK\u4e3b\u8981\u7528\u4e8e\u4f4e\u529f\u8017\u548c\u4f4e\u6570\u636e\u901f\u7387\u7684\u5e94\u7528\uff0c\u5982\u7b80\u5355\u7684\u4f20\u611f\u5668\u7f51\u7edc\u548c\u4f4e\u901f\u6570\u636e\u4f20\u8f93\u3002\u5b83\u5728\u4e00\u4e9b\u4f4e\u6210\u672c\u548c\u4f4e\u590d\u6742\u5ea6\u7684\u7cfb\u7edf\u4e2d\u4e5f\u6709\u5e94\u7528\uff0c\u4f8b\u5982\u7b80\u5355\u7684\u65e0\u7ebf\u9065\u6d4b\u548c\u63a7\u5236\u8bbe\u5907\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u7279\u70b9<\/strong>\uff1aOOK\u5177\u6709\u975e\u5e38\u7b80\u5355\u7684\u786c\u4ef6\u5b9e\u73b0\u8981\u6c42\uff0c\u9002\u5408\u4e8e\u8d44\u6e90\u53d7\u9650\u7684\u73af\u5883\u3002\u5b83\u7684\u4e3b\u8981\u4f18\u52bf\u5728\u4e8e\u4f4e\u529f\u8017\u548c\u4f4e\u6210\u672c\u3002<\/p>\n\n\n\n<p>\u3000\u30004.&nbsp;<strong>GMSK(\u5e7f\u4e49\u6700\u5c0f\u5747\u65b9\u8bef\u5dee\u8c03\u5236)<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5e94\u7528\u573a\u666f<\/strong>\uff1aGMSK\u9002\u7528\u4e8e\u9700\u8981\u9ad8\u6570\u636e\u901f\u7387\u548c\u9ad8\u6297\u5e72\u6270\u80fd\u529b\u7684\u573a\u666f\uff0c\u5982\u8702\u7a9d\u7f51\u7edc\u548c\u5bbd\u5e26\u65e0\u7ebf\u63a5\u5165\u7cfb\u7edf\u3002\u5b83\u5728\u590d\u6742\u7684\u7535\u78c1\u73af\u5883\u4e2d\u8868\u73b0\u51fa\u8272\uff0c\u56e0\u6b64\u4e5f\u9002\u7528\u4e8e\u519b\u4e8b\u548c\u822a\u7a7a\u901a\u4fe1\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u7279\u70b9<\/strong>\uff1aGMSK\u901a\u8fc7\u6700\u5c0f\u5316\u8f93\u51fa\u4fe1\u53f7\u7684\u5747\u65b9\u8bef\u5dee\u6765\u4f18\u5316\u4f20\u8f93\u8d28\u91cf\uff0c\u4ece\u800c\u63d0\u4f9b\u66f4\u9ad8\u7684\u6570\u636e\u901f\u7387\u548c\u66f4\u597d\u7684\u6297\u566a\u58f0\u6027\u80fd\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 SX1276\u82af\u7247\u7684\u5185\u90e8\u7535\u538b\u8c03\u8282\u65b9\u6848\u548c\u6676\u632f\u53c2\u8003\u65f6\u949f\u7684\u5de5\u4f5c\u539f\u7406\u53ca\u5176\u5bf9\u7cfb\u7edf\u7a33\u5b9a\u6027\u7684\u5f71\u54cd\u3002<\/h2>\n\n\n\n<p>\u3000\u3000SX1276\u82af\u7247\u7684\u5185\u90e8\u7535\u538b\u8c03\u8282\u65b9\u6848\u548c\u6676\u632f\u53c2\u8003\u65f6\u949f\u7684\u5de5\u4f5c\u539f\u7406\u53ca\u5176\u5bf9\u7cfb\u7edf\u7a33\u5b9a\u6027\u7684\u5f71\u54cd\u5982\u4e0b\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. \u5185\u90e8\u7535\u538b\u8c03\u8282\u65b9\u6848<\/h3>\n\n\n\n<p>\u3000\u3000SX1276\u82af\u7247\u91c7\u7528\u5185\u90e8\u7535\u538b\u8c03\u8282\u673a\u5236\uff0c\u4ee5\u4fdd\u8bc1\u5728\u4e0d\u540c\u5de5\u4f5c\u6e29\u5ea6\u53ca\u64cd\u4f5c\u7535\u538b\u8303\u56f4\u5185(1.8V-3.7V)\u63d0\u4f9b\u7a33\u5b9a\u7684\u8fd0\u884c\u7535\u538b\u548c\u8bbe\u5907\u7279\u6027\u3002\u8be5\u82af\u7247\u53ef\u4ee5\u4ece\u4efb\u4f55\u4f4e\u566a\u58f0\u7535\u538b\u6e90\u901a\u8fc7VBAT_ANA\u3001VBAT_RF\u548cVBAT_DIG\u5f15\u811a\u4f9b\u7535\uff0c\u5e76\u5177\u6709\u4f4e\u7535\u6c60\u68c0\u6d4b\u529f\u80fd\uff0c\u5f53\u7535\u6e90\u7535\u538b\u4f4e\u4e8e\u53ef\u7f16\u7a0b\u9608\u503c\u65f6\uff0c\u5c06\u89e6\u53d1\u4e2d\u65ad\u4fe1\u53f7\u3002\u8fd9\u79cd\u5185\u90e8\u7535\u538b\u8c03\u8282\u65b9\u6848\u786e\u4fdd\u4e86\u5373\u4f7f\u5728\u7535\u6e90\u7535\u538b\u6ce2\u52a8\u7684\u60c5\u51b5\u4e0b\uff0c\u82af\u7247\u4ecd\u80fd\u7ef4\u6301\u7a33\u5b9a\u7684\u5de5\u4f5c\u72b6\u6001\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. \u6676\u632f\u53c2\u8003\u65f6\u949f\u7684\u5de5\u4f5c\u539f\u7406<\/h3>\n\n\n\n<p>\u3000\u3000\u6676\u4f53\u632f\u8361\u5668\u662fSX1276\u7684\u4e3b\u8981\u65f6\u95f4\u53c2\u8003\u6e90\uff0c\u5b83\u4e3aPLL(\u76f8\u4f4d\u9501\u5b9a\u73af)\u7684\u9891\u7387\u5408\u6210\u63d0\u4f9b\u65f6\u949f\u4fe1\u53f7\uff0c\u5e76\u8fde\u63a5\u5230XTA\u548cXTB\u5f15\u811a\u4e0a\u7684\u76ae\u5c14\u65af\u632f\u8361\u5668\u3002\u6676\u4f53\u632f\u8361\u5668\u80fd\u591f\u4ea7\u751f\u4e2d\u592e\u5904\u7406\u5668\u6267\u884c\u6307\u4ee4\u6240\u5fc5\u987b\u7684\u65f6\u949f\u9891\u7387\u4fe1\u53f7\uff0c\u5176\u542f\u52a8\u65f6\u95f4\u53d6\u51b3\u4e8e\u6676\u4f53\u53c2\u8003\u7684\u7535\u6c14\u7279\u6027\u3002\u6b64\u5916\uff0c\u8fd8\u53ef\u4ee5\u9009\u62e9\u4f7f\u7528\u5916\u90e8\u65f6\u949f\u6e90(\u4f8b\u5982TCXO)\u6765\u66ff\u4ee3\u6676\u4f53\u632f\u8361\u5668\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003. 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