{"id":93494,"date":"2024-05-31T14:27:39","date_gmt":"2024-05-31T06:27:39","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=93494"},"modified":"2024-05-31T14:27:43","modified_gmt":"2024-05-31T06:27:43","slug":"zjszplhcjsssm","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/93494.html","title":{"rendered":"\u76f4\u63a5\u6570\u5b57\u9891\u7387\u5408\u6210\u6280\u672f\u662f\u4ec0\u4e48"},"content":{"rendered":"\n

\u3000\u3000\u76f4\u63a5\u6570\u5b57\u9891\u7387\u5408\u6210\u6280\u672f(Direct Digital Synthesis\uff0c\u7b80\u79f0DDS)<\/strong>\u662f\u4e00\u79cd\u57fa\u4e8e\u6570\u5b57\u7535\u5b50\u7535\u8def\u7684\u9891\u7387\u5408\u6210\u6280\u672f\uff0c\u7528\u4e8e\u4ea7\u751f\u5468\u671f\u6027\u6ce2\u5f62\u3002\u5b83\u4ece\u76f8\u4f4d\u6982\u5ff5\u51fa\u53d1\uff0c\u76f4\u63a5\u5408\u6210\u6240\u9700\u7684\u6ce2\u5f62\u3002DDS\u5177\u6709\u9ad8\u9891\u7387\u5206\u8fa8\u7387\u3001\u5feb\u901f\u7684\u9891\u7387\u5207\u6362\u548c\u826f\u597d\u7684\u7a33\u5b9a\u6027\u7b49\u4f18\u70b9\uff0c\u56e0\u6b64\u5728\u73b0\u4ee3\u7535\u5b50\u7cfb\u7edf\u53ca\u8bbe\u5907\u7684\u9891\u7387\u6e90\u8bbe\u8ba1\u4e2d\uff0c\u5c24\u5176\u662f\u5728\u901a\u4fe1\u9886\u57df\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n\n\n\n

\u3000\u3000DDS\u7684\u5de5\u4f5c\u539f\u7406\u662f\u901a\u8fc7\u6570\/\u6a21\u8f6c\u6362\u5668\u5c06\u4e00\u7cfb\u5217\u6570\u5b57\u91cf\u5f62\u5f0f\u7684\u4fe1\u53f7\u8f6c\u6362\u6210\u6a21\u62df\u91cf\u5f62\u5f0f\u7684\u4fe1\u53f7\u3002\u5176\u6838\u5fc3\u90e8\u5206\u5305\u62ec\u76f8\u4f4d\u7d2f\u52a0\u5668\uff0c\u8be5\u7d2f\u52a0\u5668\u53ef\u4ee5\u751f\u6210\u4e00\u7cfb\u5217\u6570\u5b57\u72b6\u6001\uff0c\u5176\u503c\u5448\u7ebf\u6027\u589e\u957f\u800c\u5f62\u6210\u6570\u5b57\u659c\u5761\u4fe1\u53f7\uff0c\u4ece\u800c\u5b9e\u73b0\u6ce2\u5f62\u7684\u5408\u6210\u3002\u4e0e\u4f20\u7edf\u7684\u9891\u7387\u5408\u6210\u5668\u76f8\u6bd4\uff0cDDS\u5177\u6709\u4f4e\u6210\u672c\u3001\u4f4e\u529f\u8017\u3001\u9ad8\u5206\u8fa8\u7387\u548c\u5feb\u901f\u8f6c\u6362\u65f6\u95f4\u7b49\u4f18\u70b9\u3002<\/p>\n\n\n\n

\u3000\u3000DDS\u5e7f\u6cdb\u5e94\u7528\u4e8e\u9891\u7387\u6fc0\u52b1\/\u6ce2\u5f62\u53d1\u751f\u3001\u9891\u7387\u76f8\u4f4d\u8c03\u8c10\u548c\u8c03\u5236\u3001\u4f4e\u529f\u8017RF\u901a\u4fe1\u7cfb\u7edf\u3001\u6db2\u4f53\u548c\u6c14\u4f53\u6d4b\u91cf\u4ee5\u53ca\u63a5\u8fd1\u5ea6\u3001\u8fd0\u52a8\u548c\u7f3a\u9677\u68c0\u6d4b\u7b49\u4f20\u611f\u9886\u57df\u3002<\/strong>\u6b64\u5916\uff0cDDS\u8fd8\u88ab\u7528\u4e8e\u51fd\u6570\u53d1\u751f\u5668\u548c\u4efb\u610f\u51fd\u6570\u53d1\u751f\u5668\uff0c\u4ee5\u7cbe\u786e\u5730\u8f93\u51fa\u6240\u9700\u7684\u6a21\u62df\u4fe1\u53f7\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001 \u76f4\u63a5\u6570\u5b57\u9891\u7387\u5408\u6210\u6280\u672f(DDS)\u7684\u5386\u53f2\u53d1\u5c55\u548c\u5173\u952e\u6280\u672f\u7a81\u7834\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n

\u3000\u3000\u76f4\u63a5\u6570\u5b57\u9891\u7387\u5408\u6210\u6280\u672f(DDS)\u662f\u9891\u7387\u5408\u6210\u6280\u672f\u7684\u4e00\u6b21\u91cd\u5927\u9769\u547d\uff0c\u5176\u5386\u53f2\u53d1\u5c55\u548c\u5173\u952e\u6280\u672f\u7a81\u7834\u53ef\u4ee5\u4ece\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u8fdb\u884c\u8be6\u7ec6\u9610\u8ff0\uff1a<\/p>\n\n\n\n

\u3000\u30001. \u5386\u53f2\u53d1\u5c55<\/h3>\n\n\n\n

\u3000\u3000\u76f4\u63a5\u6570\u5b57\u9891\u7387\u5408\u6210\u6280\u672f\u7684\u601d\u60f3\u6700\u65e9\u7531\u7f8e\u56fd\u5b66\u8005J.Tierney, C.M.Rader \u548c B.Gold \u4e09\u4eba\u4e8e1971\u5e74\u9996\u6b21\u63d0\u51fa\u3002\u7136\u800c\uff0c\u7531\u4e8e\u5f53\u65f6\u5fae\u7535\u5b50\u6280\u672f\u548c\u6570\u5b57\u4fe1\u53f7\u5904\u7406\u6280\u672f\u7684\u9650\u5236\uff0cDDFS(\u76f4\u63a5\u6570\u5b57\u9891\u7387\u5408\u6210)\u6280\u672f\u5728\u5f53\u65f6\u5e76\u672a\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n\n\n\n

\u3000\u3000\u9891\u7387\u5408\u6210\u6280\u672f\u7684\u7406\u8bba\u5f62\u6210\u4e8e20\u4e16\u7eaa30\u5e74\u4ee3\uff0c\u7ecf\u5386\u4e86\u4e09\u4ee3\u53d1\u5c55\u3002\u7b2c\u4e00\u4ee3\u4e3a\u76f4\u63a5\u9891\u7387\u5408\u6210\u6280\u672f\uff0c\u5229\u7528\u4e00\u4e2a\u6216\u591a\u4e2a\u4e0d\u540c\u7684\u6676\u4f53\u632f\u8361\u5668\u8fdb\u884c\u9891\u7387\u5408\u6210\u3002\u968f\u540e\uff0c\u9891\u7387\u5408\u6210\u6280\u672f\u53c8\u5206\u4e3a\u76f4\u63a5\u6a21\u62df\u9891\u7387\u5408\u6210\u3001\u95f4\u63a5\u9891\u7387\u5408\u6210\u548c\u76f4\u63a5\u6570\u5b57\u9891\u7387\u5408\u6210\u4e09\u79cd\u5b9e\u73b0\u65b9\u6cd5\u3002<\/p>\n\n\n\n

\u3000\u3000\u76f4\u63a5\u6570\u5b57\u9891\u7387\u5408\u6210\u6280\u672f\u572820\u4e16\u7eaa90\u5e74\u4ee3\u968f\u7740\u6570\u5b57\u7535\u8def\u6280\u672f\u7684\u53d1\u5c55\u800c\u9010\u6e10\u5174\u8d77\uff0c\u5e76\u5728\u8fd120\u591a\u5e74\u4e2d\u83b7\u5f97\u4e86\u5f88\u5927\u7684\u53d1\u5c55\u3002\u5176\u53d1\u5c55\u7ecf\u5386\u4e86\u51e0\u4e2a\u91cd\u8981\u9636\u6bb5\uff0c\u5305\u62ecNPLL\u5408\u6210\u3001FNPLL\u5408\u6210\u7b49\u3002<\/p>\n\n\n\n

\u3000\u30002. \u5173\u952e\u6280\u672f\u7a81\u7834<\/h3>\n\n\n\n

\u3000\u3000\u6211\u56fd\u5728\u82af\u7247\u7814\u7a76\u9886\u57df\u53d6\u5f97\u4e86\u7a81\u7834\u6027\u8fdb\u5c55\uff0c\u5229\u7528\u81ea\u4e3b\u77e5\u8bc6\u4ea7\u6743\u7684DAC IP\u6838\u8bbe\u8ba1\u548c\u7535\u8def\u9ad8\u901f\u5de5\u4f5c\u7684\u8bbe\u8ba1\u6280\u672f\uff0c\u7814\u53d1\u51fa\u7845(Si)\u57faCMOS\u65b9\u5f0f2GHz\u5408\u6210\u65f6\u949f\u9891\u7387\u7684ROM-Less\u76f4\u63a5\u6570\u5b57\u9891\u7387\u5408\u6210\u82af\u7247\u3002\u8fd9\u4e00\u7a81\u7834\u4e0d\u4ec5\u63d0\u5347\u4e86\u9891\u7387\u5408\u6210\u5668\u7684\u6027\u80fd\uff0c\u8fd8\u51cf\u5c11\u4e86\u82af\u7247\u7684\u590d\u6742\u5ea6\u548c\u6210\u672c\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728DDS\u82af\u7247\u7684\u8bbe\u8ba1\u4e2d\uff0c\u878d\u5165\u4e86\u8fc7\u91c7\u6837\u2211\u0394\u8c03\u5236\u6280\u672f\uff0c\u8fd9\u4e00\u6280\u672f\u7684\u5e94\u7528\u8fdb\u4e00\u6b65\u63d0\u9ad8\u4e86\u9891\u7387\u5408\u6210\u5668\u7684\u7cbe\u5ea6\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000DDS\u6280\u672f\u76f8\u8f83\u4e8e\u5176\u4ed6\u9891\u7387\u5408\u6210\u6280\u672f\u5177\u6709\u663e\u8457\u7684\u4f18\u52bf\uff0c\u5982\u9ad8\u7cbe\u5ea6\u3001\u9ad8\u7075\u6d3b\u6027\u548c\u4f4e\u566a\u58f0\u7b49\u3002\u7136\u800c\uff0c\u5b83\u4e5f\u5b58\u5728\u4e00\u4e9b\u7f3a\u70b9\uff0c\u5982\u529f\u8017\u8f83\u5927\u548c\u8bbe\u8ba1\u590d\u6742\u5ea6\u8f83\u9ad8\u7b49\u3002<\/p>\n\n\n\n

\u3000\u3000\u76f4\u63a5\u6570\u5b57\u9891\u7387\u5408\u6210\u6280\u672f(DDS)\u81ea20\u4e16\u7eaa70\u5e74\u4ee3\u63d0\u51fa\u4ee5\u6765\uff0c\u7ecf\u5386\u4e86\u4ece\u7406\u8bba\u63d0\u51fa\u5230\u5b9e\u9645\u5e94\u7528\u7684\u6f2b\u957f\u53d1\u5c55\u8fc7\u7a0b\uff0c\u5e76\u5728\u6570\u5b57\u7535\u8def\u6280\u672f\u7684\u63a8\u52a8\u4e0b\u53d6\u5f97\u4e86\u663e\u8457\u7684\u6280\u672f\u7a81\u7834\uff0c\u7279\u522b\u662f\u5728\u81ea\u4e3b\u77e5\u8bc6\u4ea7\u6743\u7684DAC IP\u6838\u8bbe\u8ba1\u548c\u8fc7\u91c7\u6837\u6280\u672f\u7684\u5e94\u7528\u65b9\u9762\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001 \u76f4\u63a5\u6570\u5b57\u9891\u7387\u5408\u6210\u6280\u672f\u5728\u901a\u4fe1\u9886\u57df\u7684\u5177\u4f53\u5e94\u7528\u6848\u4f8b\u6709\u54ea\u4e9b?<\/h2>\n\n\n\n

\u3000\u3000\u76f4\u63a5\u6570\u5b57\u9891\u7387\u5408\u6210\u6280\u672f(DDS)\u5728\u901a\u4fe1\u9886\u57df\u6709\u591a\u4e2a\u5177\u4f53\u5e94\u7528\u6848\u4f8b\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5178\u578b\u7684\u5e94\u7528\uff1a<\/p>\n\n\n\n

    \n
  • \u3000\u3000\u8c03\u9891\u3001\u6269\u9891\u53ca\u53d8\u9891\u901a\u4fe1<\/strong>\uff1aDDS\u6280\u672f\u5728\u8c03\u9891(FM)\u3001\u6269\u9891(CF)\u548c\u53d8\u9891(VM)\u901a\u4fe1\u4e2d\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\u3002\u8fd9\u4e9b\u901a\u4fe1\u6280\u672f\u5229\u7528DDS\u4ea7\u751f\u9ad8\u8d28\u91cf\u7684\u6ce2\u5f62\uff0c\u4ece\u800c\u5b9e\u73b0\u9ad8\u6548\u7684\u4fe1\u53f7\u4f20\u8f93\u3002<\/li>\n\n\n\n
  • \u3000\u30005G\u6beb\u7c73\u6ce2\u901a\u4fe1\u7cfb\u7edf<\/strong>\uff1a\u57285G\u6beb\u7c73\u6ce2\u901a\u4fe1\u7cfb\u7edf\u4e2d\uff0cDDS\u6280\u672f\u88ab\u7528\u4e8e\u8bbe\u8ba1\u672c\u632f\u6e90\u3002\u901a\u8fc7\u6570\u5b57\u65b9\u5f0f\u7d2f\u52a0\u76f8\u4f4d\uff0c\u518d\u5229\u7528\u76f8\u4f4d\u548c\u53bb\u67e5\u8be2\u6b63\u5f26\u51fd\u6570\u8868\uff0c\u4ece\u800c\u5f97\u5230\u6b63\u5f26\u6ce2\u7684\u79bb\u6563\u6570\u5b57\u7cfb\u5217\uff0c\u6700\u7ec8\u7ecf\u8fc7\u6570\u6a21\u8f6c\u6362\u5668(DAC)\u751f\u6210\u9ad8\u7cbe\u5ea6\u7684\u672c\u632f\u4fe1\u53f7\u3002<\/li>\n\n\n\n
  • \u3000\u3000QAM\u8c03\u5236\u4e0e\u89e3\u8c03<\/strong>\uff1aDDS\u6280\u672f\u5728QAM(\u6b63\u4ea4\u5e45\u5ea6\u8c03\u5236)\u8c03\u5236\u548c\u89e3\u8c03\u4e2d\u4e5f\u6709\u91cd\u8981\u5e94\u7528\u3002\u901a\u8fc7\u9ad8\u901f\u7684DDS\u5668\u4ef6\uff0c\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u6548\u7684QAM\u8c03\u5236\u548c\u89e3\u8c03\u8fc7\u7a0b\uff0c\u8fd9\u5bf9\u4e8e\u63d0\u9ad8\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u81f3\u5173\u91cd\u8981\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u8fdc\u8ddd\u79bb\u6563\u5c04\u901a\u4fe1<\/strong>\uff1a\u5728\u8fdc\u8ddd\u79bb\u6563\u5c04\u901a\u4fe1\u65b9\u6cd5\u4e2d\uff0cDDS\u6280\u672f\u88ab\u7528\u4e8eLoRa backscatter\u65b9\u6848\u3002\u8be5\u65b9\u6848\u901a\u8fc7\u6570\u5b57\u57fa\u5e26\u5904\u7406\u5668\u3001\u6570\u5b57\u6a21\u62df\u8f6c\u6362\u5668(DAC)\u3001\u538b\u63a7\u632f\u8361\u5668(VCO)\u7b49\u7ec4\u4ef6\uff0c\u5229\u7528DDS\u6280\u672f\u751f\u6210\u6240\u9700\u7684\u9891\u7387\u4fe1\u53f7\uff0c\u4ece\u800c\u5b9e\u73b0\u8fdc\u8ddd\u79bb\u7684\u65e0\u7ebf\u901a\u4fe1\u3002<\/li>\n<\/ul>\n\n\n\n

    \u3000\u3000\u8fd9\u4e9b\u5e94\u7528\u6848\u4f8b\u5c55\u793a\u4e86DDS\u6280\u672f\u5728\u901a\u4fe1\u9886\u57df\u7684\u5e7f\u6cdb\u5e94\u7528\u548c\u91cd\u8981\u6027\u3002<\/p>\n\n\n\n

    \u3000\u3000\u4e09\u3001 \u5982\u4f55\u6bd4\u8f83\u76f4\u63a5\u6570\u5b57\u9891\u7387\u5408\u6210\u6280\u672f\u4e0e\u5176\u4ed6\u9891\u7387\u5408\u6210\u6280\u672f\u7684\u6027\u80fd\u548c\u6210\u672c\u6548\u76ca?<\/h2>\n\n\n\n

    \u3000\u3000\u76f4\u63a5\u6570\u5b57\u9891\u7387\u5408\u6210\u6280\u672f(DDS)\u4e0e\u5176\u4ed6\u9891\u7387\u5408\u6210\u6280\u672f\u5728\u6027\u80fd\u548c\u6210\u672c\u6548\u76ca\u65b9\u9762\u6709\u663e\u8457\u7684\u5dee\u5f02\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u7684\u6bd4\u8f83\uff1a<\/p>\n\n\n\n

    \u3000\u30001. \u6027\u80fd\u5bf9\u6bd4<\/h3>\n\n\n\n

    \u3000\u3000\u9891\u7387\u8303\u56f4<\/strong>\uff1a<\/h4>\n\n\n\n

    \u3000\u3000DDS<\/strong>\uff1a\u8f93\u51fa\u9891\u7387\u5e26\u5bbd\u8f83\u5bbd\uff0c\u7406\u8bba\u503c\u4e3a50%fs\uff0c\u4f46\u5b9e\u9645\u5e94\u7528\u4e2d\u53ef\u4ee5\u8fbe\u523040%fs\u3002<\/p>\n\n\n\n

    \u3000\u3000\u5176\u4ed6\u6280\u672f<\/strong>\uff1a\u5982\u9501\u76f8\u73af\u9891\u7387\u5408\u6210\u6280\u672f\uff0c\u5176\u9891\u7387\u8303\u56f4\u901a\u5e38\u8f83\u7a84\uff0c\u53d7\u57fa\u51c6\u9891\u7387\u548c\u6df7\u9891\u7535\u8def\u7684\u9650\u5236\u3002<\/p>\n\n\n\n

    \u3000\u3000\u9891\u7387\u5206\u8fa8\u7387<\/strong>\uff1a<\/h4>\n\n\n\n

    \u3000\u3000DDS<\/strong>\uff1a\u5177\u6709\u9ad8\u9891\u7387\u5206\u8fa8\u7387\uff0c\u53ef\u4ee5\u5b9e\u73b0\u975e\u5e38\u7cbe\u7ec6\u7684\u9891\u7387\u8c03\u6574\u3002<\/p>\n\n\n\n

    \u3000\u3000\u5176\u4ed6\u6280\u672f<\/strong>\uff1a\u9891\u7387\u5206\u8fa8\u7387\u8f83\u4f4e\uff0c\u901a\u5e38\u4f9d\u8d56\u4e8e\u57fa\u51c6\u9891\u7387\u7684\u7cbe\u5ea6\u548c\u6df7\u9891\u7535\u8def\u7684\u8bbe\u8ba1\u3002<\/p>\n\n\n\n

    \u3000\u3000\u9891\u7387\u8f6c\u6362\u65f6\u95f4<\/strong>\uff1a<\/h4>\n\n\n\n

    \u3000\u3000DDS<\/strong>\uff1a\u9891\u7387\u8f6c\u6362\u65f6\u95f4\u77ed\uff0c\u56e0\u4e3a\u5b83\u662f\u4e00\u4e2a\u5f00\u73af\u7cfb\u7edf\uff0c\u65e0\u9700\u53cd\u9988\u73af\u8282\u3002<\/p>\n\n\n\n

    \u3000\u3000\u5176\u4ed6\u6280\u672f<\/strong>\uff1a\u9891\u7387\u8f6c\u6362\u65f6\u95f4\u8f83\u957f\uff0c\u56e0\u4e3a\u9700\u8981\u590d\u6742\u7684\u53cd\u9988\u548c\u8c03\u8282\u673a\u5236\u3002<\/p>\n\n\n\n

    \u3000\u3000\u9891\u7387\u51c6\u786e\u5ea6\u548c\u7a33\u5b9a\u5ea6<\/strong>\uff1a<\/h4>\n\n\n\n

    \u3000\u3000DDS<\/strong>\uff1a\u9891\u7387\u51c6\u786e\u5ea6\u548c\u7a33\u5b9a\u5ea6\u9ad8\uff0c\u4e0e\u57fa\u51c6\u9891\u7387\u6709\u4e25\u683c\u7684\u6bd4\u4f8b\u5173\u7cfb\uff0c\u5e76\u4e14\u53ef\u4ee5\u901a\u8fc7\u6570\u5b57\u65b9\u5f0f\u8fdb\u884c\u7cbe\u786e\u63a7\u5236\u3002<\/p>\n\n\n\n

    \u3000\u3000\u5176\u4ed6\u6280\u672f<\/strong>\uff1a\u9891\u7387\u51c6\u786e\u5ea6\u548c\u7a33\u5b9a\u5ea6\u8f83\u4f4e\uff0c\u53d7\u57fa\u51c6\u9891\u7387\u548c\u6df7\u9891\u7535\u8def\u7684\u5f71\u54cd\u8f83\u5927\u3002<\/p>\n\n\n\n

    \u3000\u3000\u9891\u8c31\u7eaf\u5ea6<\/strong>\uff1a<\/h4>\n\n\n\n

    \u3000\u3000DDS<\/strong>\uff1a\u9891\u8c31\u7eaf\u5ea6\u9ad8\uff0c\u4e3b\u8981\u5f71\u54cd\u56e0\u7d20\u662f\u76f8\u4f4d\u566a\u97f3\u548c\u5bc4\u751f\u5e72\u6270\u3002<\/p>\n\n\n\n

    \u3000\u3000\u5176\u4ed6\u6280\u672f<\/strong>\uff1a\u9891\u8c31\u7eaf\u5ea6\u8f83\u4f4e\uff0c\u5bb9\u6613\u53d7\u5230\u57fa\u51c6\u9891\u7387\u548c\u6df7\u9891\u7535\u8def\u7684\u5e72\u6270\u3002<\/p>\n\n\n\n

    \u3000\u30002. \u6210\u672c\u6548\u76ca\u5bf9\u6bd4<\/h3>\n\n\n\n

    \u3000\u3000\u8bbe\u8ba1\u590d\u6742\u5ea6<\/strong>\uff1a<\/h4>\n\n\n\n

    \u3000\u3000DDS<\/strong>\uff1a\u8bbe\u8ba1\u76f8\u5bf9\u7b80\u5355\uff0c\u91c7\u7528\u9ad8\u6027\u80fd\u7684DDS\u5355\u7247\u7535\u8def\u89e3\u51b3\u65b9\u6848\uff0c\u4fc3\u6210\u4e86\u8bb8\u591aDDS\u82af\u7247\u751f\u4ea7\u5382\u5bb6\u51fa\u73b0\uff0c\u4e3a\u7535\u8def\u8bbe\u8ba1\u8005\u63d0\u4f9b\u4e86\u591a\u79cd\u9009\u62e9\u3002<\/p>\n\n\n\n

    \u3000\u3000\u5176\u4ed6\u6280\u672f<\/strong>\uff1a\u8bbe\u8ba1\u590d\u6742\uff0c\u9700\u8981\u7cbe\u5bc6\u7684\u57fa\u51c6\u9891\u7387\u6e90\u548c\u590d\u6742\u7684\u6df7\u9891\u7535\u8def\u3002<\/p>\n\n\n\n

    \u3000\u3000\u6210\u672c<\/strong>\uff1a<\/h4>\n\n\n\n

    \u3000\u3000DDS<\/strong>\uff1a\u7531\u4e8e\u5176\u8bbe\u8ba1\u7b80\u5355\u548c\u5355\u7247\u5316\u8d8b\u52bf\uff0c\u6210\u672c\u8f83\u4f4e\uff0c\u5c24\u5176\u662f\u5728\u5927\u89c4\u6a21\u751f\u4ea7\u65f6\u66f4\u5177\u6210\u672c\u6548\u76ca\u3002<\/p>\n\n\n\n

    \u3000\u3000\u5176\u4ed6\u6280\u672f<\/strong>\uff1a\u6210\u672c\u8f83\u9ad8\uff0c\u4e3b\u8981\u56e0\u4e3a\u9700\u8981\u9ad8\u6027\u80fd\u7684\u57fa\u51c6\u9891\u7387\u6e90\u548c\u590d\u6742\u7684\u6df7\u9891\u7535\u8def\u3002<\/p>\n\n\n\n

    \u3000\u30003. \u603b\u7ed3<\/h3>\n\n\n\n

    \u3000\u3000\u76f4\u63a5\u6570\u5b57\u9891\u7387\u5408\u6210\u6280\u672f(DDS)\u5728\u9891\u7387\u8303\u56f4\u3001\u9891\u7387\u5206\u8fa8\u7387\u3001\u9891\u7387\u8f6c\u6362\u65f6\u95f4\u3001\u9891\u7387\u51c6\u786e\u5ea6\u548c\u7a33\u5b9a\u5ea6\u4ee5\u53ca\u9891\u8c31\u7eaf\u5ea6\u65b9\u9762\u90fd\u8868\u73b0\u51fa\u8272\u3002\u540c\u65f6\uff0c\u7531\u4e8e\u5176\u8bbe\u8ba1\u7b80\u5355\u548c\u5355\u7247\u5316\u8d8b\u52bf\uff0cDDS\u5728\u6210\u672c\u6548\u76ca\u65b9\u9762\u4e5f\u5177\u6709\u660e\u663e\u4f18\u52bf\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u5176\u4ed6\u9891\u7387\u5408\u6210\u6280\u672f\u5728\u8fd9\u4e9b\u65b9\u9762\u7684\u8868\u73b0\u8f83\u5dee\uff0c\u4e14\u6210\u672c\u8f83\u9ad8\u3002<\/p>\n\n\n\n

    \u3000\u3000\u56db\u3001 \u76f4\u63a5\u6570\u5b57\u9891\u7387\u5408\u6210\u6280\u672f\u7684\u6700\u65b0\u7814\u7a76\u8fdb\u5c55\u548c\u672a\u6765\u8d8b\u52bf\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n

    \u3000\u3000\u76f4\u63a5\u6570\u5b57\u9891\u7387\u5408\u6210\u6280\u672f(DDS)\u7684\u6700\u65b0\u7814\u7a76\u8fdb\u5c55\u548c\u672a\u6765\u8d8b\u52bf\u53ef\u4ee5\u4ece\u591a\u4e2a\u65b9\u9762\u8fdb\u884c\u5206\u6790\u3002<\/p>\n\n\n\n

    \u3000\u3000\u4ece\u5e02\u573a\u53d1\u5c55\u7684\u89d2\u5ea6\u6765\u770b\uff0c\u5168\u7403\u76f4\u63a5\u6570\u5b57\u9891\u7387\u5408\u6210\u5668\u5e02\u573a\u5728\u8fc7\u53bb\u51e0\u5e74\u4e2d\u4fdd\u6301\u4e86\u7a33\u5b9a\u7684\u589e\u957f\u3002\u636e\u6052\u5dde\u8bda\u601d(yh)\u7814\u7a76\u7edf\u8ba1\uff0c2022\u5e74\u5168\u7403\u76f4\u63a5\u6570\u5b57\u9891\u7387\u5408\u6210\u5668\u5e02\u573a\u89c4\u6a21\u7ea6\u4e3a\u6570\u5341\u4ebf\u5143\u4eba\u6c11\u5e01\uff0c2018-2022\u5e74\u7684\u5e74\u590d\u5408\u589e\u957f\u7387(CAGR)\u7ea6\u4e3a%\uff0c\u9884\u8ba1\u52302029\u5e74\u5e02\u573a\u89c4\u6a21\u5c06\u63a5\u8fd1\u767e\u4ebf\u5143\u4eba\u6c11\u5e01\uff0c\u672a\u6765\u516d\u5e74\u7684CAGR\u4e3a%\u3002<\/p>\n\n\n\n

    \u3000\u3000\u4ece\u6280\u672f\u53d1\u5c55\u7684\u89d2\u5ea6\u6765\u770b\uff0c\u73b0\u4ee3\u9891\u7387\u5408\u6210\u6280\u672f\u6b63\u671d\u7740\u7cfb\u5217\u5316\u3001\u5c0f\u578b\u5316\u3001\u6a21\u5757\u5316\u548c\u5de5\u7a0b\u5316\u65b9\u5411\u53d1\u5c55\u3002\u5176\u4e2d\uff0c\u9501\u76f8\u5f0f(PLL)\u9891\u7387\u5408\u6210\u5668\u548c\u76f4\u63a5\u6570\u5b57\u5f0f\u9891\u7387\u5408\u6210\u5668(DDS)\u662f\u5e94\u7528\u6700\u4e3a\u5e7f\u6cdb\u7684\u4e24\u79cd\u7c7b\u578b\u3002\u8fd9\u4e9b\u6280\u672f\u7684\u53d1\u5c55\u8d8b\u52bf\u8868\u660e\uff0c\u672a\u6765\u7684\u9891\u7387\u5408\u6210\u5668\u5c06\u66f4\u52a0\u4fbf\u643a\u3001\u9ad8\u6548\u548c\u6613\u4e8e\u96c6\u6210\u5230\u5404\u79cd\u7535\u5b50\u7cfb\u7edf\u4e2d\u3002<\/p>\n\n\n\n

    \u3000\u3000\u5728\u5177\u4f53\u7684\u6280\u672f\u5b9e\u73b0\u65b9\u9762\uff0c\u6709\u7814\u7a76\u63d0\u51fa\u4e86\u4f7f\u7528\u9ad8\u901fDSP\u63a7\u5236\u7684DDS\u65b9\u6848\uff0c\u8be5\u65b9\u6848\u91c7\u7528AD9858 DDS\u82af\u7247\uff0c\u5177\u6709\u5bbd\u5e26\u3001\u4f4e\u76f8\u566a\u3001\u4f4e\u529f\u8017\u7684\u7279\u70b9\u3002\u8be5\u65b9\u6848\u7684\u5185\u90e8\u65f6\u949f\u53ef\u8fbe1GHz\uff0c\u663e\u793a\u51fa\u9ad8\u6027\u80fd\u7684\u7279\u6027\u3002\u6b64\u5916\uff0c\u8fd8\u6709\u7814\u7a76\u901a\u8fc7\u641c\u7d22ROM\u8868\u8fdb\u884c\u7c97\u65cb\u8f6c\u548c\u57fa\u4e8eexcess-fours\u7ed3\u6784\u7684\u4f18\u5316CORDIC\u7b97\u6cd5\u8fdb\u884c\u7ec6\u65cb\u8f6c\uff0c\u4ee5\u63d0\u9ad8\u9891\u7387\u5207\u6362\u901f\u5ea6\u548c\u9891\u7387\u5206\u8fa8\u7387\u3002<\/p>\n\n\n\n

    \u3000\u3000\u5728\u4ea7\u54c1\u6027\u80fd\u65b9\u9762\uff0c\u4e2d\u56fd\u79d1\u5b66\u9662\u5fae\u7535\u5b50\u7814\u7a76\u6240\u53d1\u5e03\u768410GHz 8-bit DDS\u8fbe\u5230\u4e86\u4e16\u754c\u5148\u8fdb\u6c34\u5e73\uff0c\u5176\u7efc\u5408\u6307\u6807\u5305\u62ec\u53cc\u8fb9\u6cbf\u89e6\u53d1\u7ed3\u6784\uff0c\u8fd9\u8fdb\u4e00\u6b65\u63d0\u9ad8\u4e86\u7d2f\u52a0\u5668\u901f\u5ea6\u3002<\/p>\n\n\n\n

    \u3000\u3000\u76f4\u63a5\u6570\u5b57\u9891\u7387\u5408\u6210\u6280\u672f\u7684\u6700\u65b0\u7814\u7a76\u8fdb\u5c55\u4e3b\u8981\u96c6\u4e2d\u5728\u5e02\u573a\u89c4\u6a21\u7684\u6301\u7eed\u589e\u957f\u3001\u6280\u672f\u5411\u7cfb\u5217\u5316\u3001\u5c0f\u578b\u5316\u3001\u6a21\u5757\u5316\u548c\u5de5\u7a0b\u5316\u65b9\u5411\u7684\u53d1\u5c55\uff0c\u4ee5\u53ca\u5177\u4f53\u6280\u672f\u5b9e\u73b0\u7684\u4f18\u5316\u548c\u6027\u80fd\u63d0\u5347\u3002<\/p>\n\n\n\n

    \u3000\u3000\u4e94\u3001 \u76f4\u63a5\u6570\u5b57\u9891\u7387\u5408\u6210\u6280\u672f\u5728\u4f4e\u529f\u8017RF\u901a\u4fe1\u7cfb\u7edf\u4e2d\u7684\u5e94\u7528\u7ec6\u8282\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n

    \u3000\u3000\u76f4\u63a5\u6570\u5b57\u9891\u7387\u5408\u6210\u6280\u672f(Direct Digital Synthesis\uff0c\u7b80\u79f0DDS)\u5728\u4f4e\u529f\u8017RF\u901a\u4fe1\u7cfb\u7edf\u4e2d\u7684\u5e94\u7528\u7ec6\u8282\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n

    \u3000\u3000DDS\u6280\u672f\u901a\u8fc7\u6570\u5b57\u65b9\u5f0f\u76f4\u63a5\u4ea7\u751f\u6240\u9700\u7684\u9891\u7387\u4fe1\u53f7\u3002\u5b83\u57fa\u4e8e\u67e5\u627e\u8868\u65b9\u6cd5\uff0c\u6267\u884c\u4ece\u76f8\u4f4d\u5230\u6b63\u5f26\u5e45\u5ea6\u7684\u529f\u80fd\u6620\u5c04\u3002\u8fd9\u79cd\u65b9\u6cd5\u4f7f\u5f97DDS\u80fd\u591f\u4ea7\u751f\u5468\u671f\u6027\u6ce2\u5f62\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u9891\u7387\u6fc0\u52b1\u3001\u6ce2\u5f62\u53d1\u751f\u3001\u9891\u7387\u76f8\u4f4d\u8c03\u8c10\u548c\u8c03\u5236\u7b49\u9886\u57df\u3002<\/p>\n\n\n\n

    \u3000\u3000\u4f4e\u529f\u8017DDS(LP-DDFS)\u7684\u7814\u7a76\u589e\u52a0\u4e86\u5c06DDS\u5e94\u7528\u4e8e\u4fbf\u643a\u5f0f\u8bbe\u5907\u7684\u53ef\u884c\u6027\u3002\u4e3a\u4e86\u8fdb\u4e00\u6b65\u964d\u4f4e\u529f\u8017\uff0c\u7814\u7a76\u8005\u4eec\u63d0\u51fa\u4e86\u591a\u79cd\u4f18\u5316\u65b9\u6848\uff0c\u5982\u91c7\u752890\u7eb3\u7c73CMOS\u6280\u672f\u6765\u5b9e\u73b0\u4f4e\u6210\u672c\u548c\u4f4e\u529f\u8017\u7684DDS\u3002\u6b64\u5916\uff0c\u901a\u8fc7\u4f18\u5316\u5b58\u50a8\u5668ROM\u7684\u5206\u8fa8\u7387\uff0c\u53ef\u4ee5\u51cf\u5c11\u5927\u578bROM\u5e26\u6765\u7684\u9ad8\u529f\u8017\u3001\u7845\u7247\u9762\u79ef\u6269\u5927\u3001\u53ef\u9760\u6027\u964d\u4f4e\u3001\u901f\u5ea6\u4e0b\u964d\u548c\u6210\u672c\u589e\u52a0\u7684\u95ee\u9898\u3002<\/p>\n\n\n\n

    \u3000\u3000DDS\u6280\u672f\u5177\u6709\u9891\u79fb\u5feb\u3001\u76f8\u79fb\u8fde\u7eed\u3001\u9891\u7387\u5206\u8fa8\u7387\u597d\u3001\u5e26\u5bbd\u5927\u3001\u9891\u8c31\u7eaf\u5ea6\u9ad8\u7b49\u4f18\u70b9\uff0c\u8fd9\u4e9b\u7279\u6027\u4f7f\u5176\u5728\u73b0\u4ee3\u65e0\u7ebf\u901a\u4fe1\u7cfb\u7edf\u4e2d\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\u3002\u5c24\u5176\u662f\u5728\u590d\u6742\u89e3\u8c03\u8fc7\u7a0b\u4e2d\uff0cDDS\u4f5c\u4e3a\u4e3b\u8981\u7ed3\u6784\u5757\uff0c\u80fd\u591f\u63d0\u4f9b\u9ad8\u6548\u548c\u7a33\u5b9a\u7684\u9891\u7387\u4fe1\u53f7\u751f\u6210\u3002<\/p>\n\n\n\n

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