{"id":978,"date":"2018-09-17T01:41:38","date_gmt":"2018-09-17T01:41:38","guid":{"rendered":""},"modified":"2018-09-17T09:42:05","modified_gmt":"2018-09-17T01:42:05","slug":"%e8%82%96%e7%89%b9%e5%9f%ba%e4%ba%8c%e6%9e%81%e7%ae%a1%e7%9a%84%e5%8e%9f%e7%90%86%e3%80%81%e4%bc%98%e5%8a%bf%e7%bc%ba%e7%82%b9%e5%8f%8a%e5%ba%94%e7%94%a8","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=978","title":{"rendered":"\u8096\u7279\u57fa\u4e8c\u6781\u7ba1\u7684\u539f\u7406\u3001\u4f18\u52bf\u7f3a\u70b9\u53ca\u5e94\u7528"},"content":{"rendered":"

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\n\t\"\"<\/p>\n

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\n\t\u8096\u7279\u57fa\u4e8c\u6781\u7ba1\u7684\u5c01\u88c5<\/h2>\n

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\n\t\u8096\u7279\u57fa\u4e8c\u6781\u7ba1\u7684\u4f18\u52bf<\/h2>\n

\n\tSBD\u7684\u4e3b\u8981\u4f18\u70b9\u5305\u62ec\u4e24\u4e2a\u65b9\u9762\uff1a<\/p>\n

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\n\t\u8096\u7279\u57fa\u4e8c\u6781\u7ba1\u7684\u7f3a\u70b9<\/h2>\n

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\n\t\u8096\u7279\u57fa\u4e8c\u6781\u7ba1\u7684\u91cd\u8981\u53c2\u6570<\/h2>\n

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\n\t1\u3001\u5bfc\u901a\u538b\u964dVF<\/p>\n

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\n\t4. \u6700\u5927\u6d6a\u6d8c\u7535\u6d41IFSM<\/p>\n

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\n\t5.\u6700\u5927\u53cd\u5411\u5cf0\u503c\u7535\u538bVRM<\/p>\n

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\n\t6. \u6700\u5927\u76f4\u6d41\u53cd\u5411\u7535\u538bVR<\/p>\n

\n\t\u4e0a\u8ff0\u6700\u5927\u53cd\u5411\u5cf0\u503c\u7535\u538b\u662f\u53cd\u590d\u52a0\u4e0a\u7684\u5cf0\u503c\u7535\u538b\uff0cVR\u662f\u8fde\u7eed\u52a0\u76f4\u6d41\u7535\u538b\u65f6\u7684\u503c\u3002\u7528\u4e8e\u76f4\u6d41\u7535\u8def\uff0c\u6700\u5927\u76f4\u6d41\u53cd\u5411\u7535\u538b\u5bf9\u4e8e\u786e\u5b9a\u5141\u8bb8\u503c\u548c\u4e0a\u9650\u503c\u662f\u5f88\u91cd\u8981\u7684\u3002<\/p>\n

\n\t7.\u6700\u9ad8\u5de5\u4f5c\u9891\u7387fM<\/p>\n

\n\t\u7531\u4e8ePN\u7ed3\u7684\u7ed3\u7535\u5bb9\u5b58\u5728\uff0c\u5f53\u5de5\u4f5c\u9891\u7387\u8d85\u8fc7\u67d0\u4e00\u503c\u65f6\uff0c\u5b83\u7684\u5355\u5411\u5bfc\u7535\u6027\u5c06\u53d8\u5dee\u3002\u8096\u7279\u57fa\u4e8c\u6781\u7ba1\u7684fM\u503c\u8f83\u9ad8\uff0c\u6700\u5927\u53ef\u8fbe100GHz\u3002<\/p>\n

\n\t8.\u53cd\u5411\u6062\u590d\u65f6\u95f4Trr<\/p>\n

\n\t\u5f53\u5de5\u4f5c\u7535\u538b\u4ece\u6b63\u5411\u7535\u538b\u53d8\u6210\u53cd\u5411\u7535\u538b\u65f6\uff0c\u4e8c\u6781\u7ba1\u5de5\u4f5c\u7684\u7406\u60f3\u60c5\u51b5\u662f\u7535\u6d41\u80fd\u77ac\u65f6\u622a\u6b62\u3002\u5b9e\u9645\u4e0a\uff0c\u4e00\u822c\u8981\u5ef6\u8fdf\u4e00\u70b9\u70b9\u65f6\u95f4\u3002\u51b3\u5b9a\u7535\u6d41\u622a\u6b62\u5ef6\u65f6\u7684\u91cf\uff0c\u5c31\u662f\u53cd\u5411\u6062\u590d\u65f6\u95f4\u3002\u867d\u7136\u5b83\u76f4\u63a5\u5f71\u54cd\u4e8c\u6781\u7ba1\u7684\u5f00\u5173\u901f\u5ea6\uff0c\u4f46\u4e0d\u4e00\u5b9a\u8bf4\u8fd9\u4e2a\u503c\u5c0f\u5c31\u597d\u3002\u4e5f\u5373\u5f53\u4e8c\u6781\u7ba1\u7531\u5bfc\u901a\u7a81\u7136\u53cd\u5411\u65f6\uff0c\u53cd\u5411\u7535\u6d41\u7531\u5f88\u5927\u8870\u51cf\u5230\u63a5\u8fd1IR\u65f6\u6240\u9700\u8981\u7684\u65f6\u95f4\u3002\u5927\u529f\u7387\u5f00\u5173\u7ba1\u5de5\u4f5c\u5728\u9ad8\u9891\u5f00\u5173\u72b6\u6001\u65f6\uff0c\u6b64\u9879\u6307\u6807\u81f3\u4e3a\u91cd\u8981\u3002<\/p>\n

\n\t9. \u6700\u5927\u8017\u6563\u529f\u7387P<\/p>\n

\n\t\u4e8c\u6781\u7ba1\u4e2d\u6709\u7535\u6d41\u6d41\u8fc7\uff0c\u5c31\u4f1a\u5438\u70ed\uff0c\u800c\u4f7f\u81ea\u8eab\u6e29\u5ea6\u5347\u9ad8\u3002\u5728\u5b9e\u9645\u4e2d\u5916\u90e8\u6563\u70ed\u72b6\u51b5\u5bf9P\u4e5f\u662f\u5f71\u54cd\u5f88\u5927\u3002\u5177\u4f53\u8bb2\u5c31\u662f\u52a0\u5728\u4e8c\u6781\u7ba1\u4e24\u7aef\u7684\u7535\u538b\u4e58\u4ee5\u6d41\u8fc7\u7684\u7535\u6d41\u52a0\u4e0a\u53cd\u5411\u6062\u590d\u635f\u8017\u3002<\/p>\n

\n\t\u8096\u7279\u57fa\u4e8c\u6781\u7ba1\u5728\u5f00\u5173\u7535\u6e90\u4e2d\u7684\u5e94\u7528<\/h2>\n

\n\t\u5f00\u5173\u7535\u6e90\u6709\u9ad8\u9891\u53d8\u538b\u5668\u3001\u9ad8\u9891\u7535\u5bb9\u3001\u9ad8\u53cd\u538b\u5927\u529f\u7387\u6676\u4f53\u7ba1<\/u>\u3001\u529f\u7387\u6574\u6d41\u4e8c\u6781\u7ba1\u3001\u63a7\u5236IC\u7b49\u4e3b\u8981\u90e8\u4ef6\u7ec4\u6210\u3002\u6b21\u7ea7\u6574\u6d41\u4e8c\u6781\u7ba1\u4f5c\u4e3a\u8017\u80fd\u90e8\u4ef6\uff0c\u635f\u8017\u5927\uff0c\uff08\u7ea6\u5360\u7535\u6e90\u529f\u8017\u768430%\uff09\uff0c\u53d1\u70ed\u9ad8\uff0c\u5b83\u7684\u9009\u7528\u5bf9\u7535\u6e90\u7684\u6574\u673a\u6548\u7387\u548c\u53ef\u9760\u6027\u6307\u6807\u662f\u975e\u5e38\u5173\u952e\u7684\u56e0\u7d20\uff0c\u8fd9\u5c31\u8981\u6c42\u6574\u6d41\u4e8c\u6781\u7ba1\u5728\u9ad8\u901f\u5927\u7535\u6d41\u5de5\u4f5c\u72b6\u6001\u4e0b\u5e94\u5177\u6709\u6b63\u5411\u538b\u964dVF\u5c0f\u3001\u53cd\u5411\u53cd\u5411\u6f0f\u7535IR\u5c0f\u3001\u6062\u590d\u65f6\u95f4Trr\u77ed\u7684\u7279\u6027\u3002<\/p>\n

\n\t\u5bf9\u4e8e\u4f4e\u538b\u5927\u7535\u6d41\u7684\u9ad8\u9891\u6574\u6d41\uff0c\u8096\u7279\u57fa\u4e8c\u6781\u7ba1\u662f\u6700\u4f73\u7684\u9009\u62e9\uff08\u8fd9\u65f6\u7531\u4e8e\u5176\u53cd\u5411\u8010\u538b\u8f83\u4f4e\uff09\uff0c\u6700\u5e38\u7528\u7684\u662f\u4f5c\u4e3a±5V\u3001±12V\u3001±15V\u7684\u6574\u6d41\u8f93\u51fa\u7ba1\u3002\uff08\u5982\u8ba1\u7b97\u673a\u7535\u6e90\u7684+5V\u8f93\u51fa\u5927\u591a\u91c7\u7528SR3040\uff0c+12V\u8f93\u51fa\u91c7\u7528SR1660\uff09\u518d\u52a0\u4e0a\u8096\u7279\u57fa\u4e8c\u6781\u7ba1\u7684\u6b63\u5411\u538b\u964dVF\u4e0e\u7ed3\u6e29TJ\u5448\u73b0\u8d1f\u6e29\u5ea6\u7cfb\u6570\uff0c\u6240\u4ee5\u7528\u5176\u5236\u9020\u7684\u5f00\u5173\u7535\u6e90\u6548\u7387\u9ad8\uff0c\u6e29\u5347\u4f4e\uff0c\u566a\u58f0\u5c0f\uff0c\u53ef\u9760\u6027\u9ad8\u3002<\/p>\n

\n\t\u4e0b\u9762\u662f\u5728\u5177\u4f53\u5e94\u7528\u4e2d\u5e94\u6ce8\u610f\u7684\u95ee\u9898\uff1a<\/h2>\n

\n\t1\uff0e\u8096\u7279\u57fa\u4e8c\u6781\u7ba1\u7684\u9009\u578b<\/strong><\/p>\n

\n\t\u8981\u6839\u636e\u5f00\u5173\u7535\u6e90\u6240\u8981\u8f93\u51fa\u7684\u7535\u538bVO\u3001\u7535\u6d41IO\u3001\u6563\u70ed\u60c5\u51b5\u3001\u8d1f\u8f7d\u60c5\u51b5\u3001\u5b89\u88c5\u8981\u6c42\u3001\u6240\u8981\u6c42\u7684\u6e29\u5347\u7b49\u786e\u5b9a\u6240\u8981\u9009\u7528\u7684\u8096\u7279\u57fa\u4e8c\u6781\u7ba1\u79cd\u7c7b\u3002<\/p>\n

\n\t\u5728\u4e00\u822c\u7684\u8bbe\u8ba1\u4e2d\uff0c\u6211\u4eec\u8981\u7559\u51fa\u4e00\u5b9a\u7684\u4f59\u91cf\u3002\u6bd4\u5982\uff0cVR\u53ea\u7528\u5230\u5176\u989d\u5b9a\u503c\u768480%\u4ee5\u4e0b\uff08\u7279\u6b8a\u60c5\u51b5\u4e0b\u53ef\u63a7\u5236\u523050%\u4ee5\u4e0b\uff09\uff0cIF\u7528\u5230\u5176\u989d\u5b9a\u503c\u768440%\u4ee5\u4e0b\u3002<\/p>\n

\n\t\u5728\u5355\u7aef\u53cd\u6fc0\uff08FLY-BACK\uff09\u5f00\u5173\u7535\u6e90\u4e2d\uff0c\u5047\u5b9a\u4e00\u4ea7\u54c1\uff1a\u8f93\u5165\u7535\u538bVIMAX=350VDC\uff0c\u8f93\u51fa\u7535\u538bVO=5V\uff0c\u7535\u6d41IO=1A\u3002\u5982\u56fe\u6240\u793a\u3002<\/p>\n

\n\t\u6839\u636e\u8ba1\u7b97\u516c\u5f0f\uff0c\u8981\u6c42\u6574\u6d41\u4e8c\u6781\u7ba1\u7684\u53cd\u5411\u7535\u538b VR\u3001\u6b63\u5411\u7535\u6d41IF\u6ee1\u8db3\u4e0b\u9762\u7684\u6761\u4ef6\uff1a<\/p>\n

\n\tVR≥2VI&TI<\/u>mes;NS\/NP<\/p>\n

\n\tIF≥2IO\/\uff081-θMAX\uff09<\/p>\n

\n\t\u5176\u4e2d\uff1a<\/p>\n

\n\tNS\/NP\u4e3a\u53d8\u538b\u5668\u6b21\u3001\u521d\u7ea7\u531d\u6bd4<\/p>\n

\n\tθMAX\u4e3a\u6700\u5927\u5360\u7a7a\u6bd4<\/p>\n

\n\t\u5047\u8bbe\uff0cNS\/NP=1\/20\uff0cθMAX=0.35<\/p>\n

\n\t\u5219VR≥2&TImes;350\/20=35\uff08V\uff09<\/p>\n

\n\tIF≥2&TImes;1\/\uff081-0.35\uff09=3\uff08A\uff09<\/p>\n

\n\t\u8fd9\u6837\uff0c\u6211\u4eec\u53ef\u4ee5\u53c2\u8003\u9009\u7528SR340\u62161N5822\u3002\u82e5\u4ea7\u54c1\u4e3a\u98ce\u6247\u51b7\u5374\uff0c\u5219\u7ba1\u5b50\u53ef\u4ee5\u628a\u4f59\u91cf\u7559\u5c0f\u4e00\u4e9b\u3002TO220\u3001TO3P\u5c01\u88c5\u7684\u7ba1\u5b50\u6709\u5168\u5305\u5c01\u3001\u534a\u5305\u5c01\u4e4b\u5206\u8fd9\u8981\u6839\u636e\u5177\u4f53\u60c5\u51b5\u9009\u7528\u3002<\/p>\n

\n\t\u534a\u5305\u5c01\u7ba1\u5b50\u7684\u6563\u70ed\u4f18\u4e8e\u5168\u5305\u5c01\u7684\u7ba1\u5b50\uff0c\u4f46\u9700\u6ce8\u610f\u5176\u6563\u70ed\u5668\u548c\u4e2d\u95f4\u7ba1\u811a\u76f8\u901a\u3002<\/p>\n

\n\t\u8d1f\u8f7d\u82e5\u4e3a\u5bb9\u6027\u8d1f\u8f7d\uff0c\u5efa\u8baeIF\u518d\u7559\u51fa20%\u7684\u4f59\u91cf\u3002<\/p>\n

\n\t\u6ce8\u610f\u529f\u7387\u8096\u7279\u57fa\u4e8c\u6781\u7ba1\u7684\u6563\u70ed\u548c\u5b89\u88c5\u5f62\u5f0f\uff0c\u8981\u641e\u6e05\u695a\u4ea7\u54c1\u4e3a\u81ea\u7136\u51b7\u5374\u8fd8\u662f\u98ce\u6247\u51b7\u5374\uff0c\u7ba1\u5b50\u8981\u5b89\u88c5\u5728\u6613\u901a\u98ce\u6563\u70ed\u7684\u5730\u65b9\uff0c\u4ee5\u63d0\u9ad8\u4ea7\u54c1\u7684\u53ef\u9760\u6027\u3002TO-220\u3001TO-3P\u578b\u7684\u7ba1\u5b50\u4e0e\u6563\u70ed\u5668\u4e4b\u95f4\u8981\u52a0\u5bfc\u70ed\u7845\u8102\uff0c\u4f7f\u7ba1\u5b50\u4e0e\u6563\u70ed\u5668\u4e4b\u95f4\u63a5\u89e6\u826f\u597d\u3002DO-41\u3001DO-201AD\u5c01\u88c5\u7684\u7ba1\u5b50\u53ef\u91c7\u53d6\u7acb\u5f0f\u3001\u5367\u5f0f\u3001\u67b6\u7a7a\u7b49\u65b9\u5f0f\u5b89\u88c5\uff0c\u8fd9\u8981\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u786e\u5b9a\u3002<\/p>\n

\n\t2.\u6b63\u786e\u9009\u62e9\u8096\u7279\u57fa\u4e8c\u6781\u7ba1\u7684RC\u8865\u507f\u7f51\u7edc-RC\u7f13\u51b2\u5668<\/strong><\/p>\n

\n\t\u7531\u4e8e\u9ad8\u9891\u53d8\u538b\u5668\u7684\u6f0f\u7535\u611f\u548c\u7ba1\u5b50\u7684\u7ed3\u7535\u5bb9\u5728\u622a\u6b62\u65f6\u5f62\u6210\u4e00\u4e2a\u8c10\u632f\u7535\u8def\uff0c\u5b83\u53ef\u5bfc\u81f4\u77ac\u65f6\u8fc7\u538b\u632f\u8361\u3002\u56e0\u6b64\uff0c\u6709\u5fc5\u8981\u5728\u7535\u6e90\u8f93\u51fa\u4e2d\u8bbe\u7f6eRC\u7f13\u51b2\u5668\u4ee5\u4fdd\u62a4\u7ba1\u5b50\u7684\u5b89\u5168\u3002\u53e6\u5916\uff0cRC\u7f51\u7edc\u8fd8\u53ef\u51cf\u5c11\u8f93\u51fa\u566a\u58f0\uff0c\u51cf\u5c11\u7ba1\u5b50\u7684\u70ed\u8017\uff0c\u63d0\u9ad8\u4ea7\u54c1\u7684\u6548\u7387\u548c\u53ef\u9760\u6027\u3002\u5982\u4e0a\u56fe\u6240\u793a\u3002<\/p>\n

\n\t\u7f13\u51b2\u5668\u7684\u9009\u62e9\u539f\u5219\u662f\uff0c\u65e2\u4f7f\u7f13\u51b2\u5668\u6709\u6548\uff0c\u53c8\u80fd\u5c3d\u91cf\u51cf\u5c11\u635f\u8017\u3002\u4e0b\u9762\u662f\u53c2\u8003\u516c\u5f0f\u3002<\/p>\n

\n\tR=&radi<\/u>c;\uff08Li\/Cj\uff09\/n<\/p>\n

\n\t\u5f0f\u4e2d\uff1aLi\u4e3a\u53d8\u538b\u5668\u6f0f\u7535\u611f\uff08μH\uff09<\/p>\n

\n\tCJ\u4e3a\u7ba1\u5b50\u7684\u7ed3\u7535\u5bb9\uff08PF\uff09<\/p>\n

\n\tN\u4e3a\u539f\u526f\u8fb9\u531d\u6bd4\uff08NP\/NS\uff09<\/p>\n

\n\t\u7535\u5bb9C\u53ef\u4efb\u610f\u5730\u4ece0.01\u52300.1μF\u4e4b\u95f4\u53d6\uff0c\u5177\u4f53\u503c\u6709\u5b9e\u9a8c\u786e\u5b9a\u3002<\/p>\n

\n\t\u5982\u5bf9VO=5V\uff0c\u53ef\u9009R=5.1Ω\uff0c0.5W\uff0cC=0.01μF<\/p>\n

\n\t\u5c3d\u91cf\u9009\u62e9IR\u5c0f\u7684\u8096\u7279\u57fa\u4e8c\u6781\u7ba1<\/p>\n

\n\tIR\u5c0f\u7684\u7ba1\u5b50\uff0c\u70ed\u8017\u5c0f\uff0c\u6240\u4ee5\u540c\u6837\u60c5\u51b5\u4e0b\uff0c\u8981\u9009\u62e9IR\u5c0f\u7684\u7ba1\u5b50\u3002<\/p>\n

\n\t\u8bbe\u8ba1PCB\u65f6\uff0c\u8981\u4f7f\u7ba1\u5b50\u53ca\u6563\u70ed\u5668\u5c3d\u91cf\u8fdc\u79bb\u7535\u89e3\u7535\u5bb9\u5668<\/u>\u7b49\u5bf9\u70ed\u654f\u611f\u7684\u5668\u4ef6\u3002\u4ee5\u589e\u52a0\u4ea7\u54c1\u7684\u5bff\u547d\u3002<\/p>\n

\n\t\u710a\u63a5\u7ba1\u5b50\u7684\u710a\u76d8\u8981\u8db3\u591f\u5927\uff0c\u710a\u63a5\u7262\u9760\uff0c\u907f\u514d\u7531\u4e8e\u70ed\u5e94\u529b\u9020\u6210\u8131\u710a\u3002<\/p>\n

\n\t\u8096\u7279\u57fa\u4e8c\u6781\u7ba1\u4e00\u65e6\u9009\u7528\u540e\uff0c\u8981\u7ecf\u6a21\u62df\u5b9e\u9a8c\uff0c\u5728\u4ea7\u54c1\u8f93\u5165\u3001\u8f93\u51fa\u6700\u574f\u7684\u60c5\u51b5\u4e0b\u6d4b\u91cf\u5176\u6e29\u5347\u53ca\u5de5\u4f5c\u6ce2\u5f62\uff0c\u786e\u8ba4\u5404\u9879\u6307\u6807\u4e0d\u8981\u8d85\u8fc7\u5176\u6781\u9650\u53c2\u6570\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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