{"id":29976,"date":"2026-05-11T09:02:29","date_gmt":"2026-05-11T01:02:29","guid":{"rendered":"https:\/\/techclass.wfjydl.com\/?p=29976"},"modified":"2026-05-11T09:51:57","modified_gmt":"2026-05-11T01:51:57","slug":"%e9%98%bb%e6%8a%97%e6%b5%8b%e9%87%8f%ef%bc%9a%e6%96%b9%e5%bc%8f%e9%80%89%e6%8b%a9%e5%92%8c%e7%b2%be%e5%ba%a6%e6%8f%90%e5%8d%87%e8%a6%81%e7%82%b9","status":"publish","type":"post","link":"https:\/\/techclass.wfjydl.com\/knowledge\/circuit-design\/circuit-design-basic\/27476","title":{"rendered":"\u963b\u6297\u6d4b\u91cf\uff1a\u65b9\u5f0f\u9009\u62e9\u548c\u7cbe\u5ea6\u63d0\u5347\u8981\u70b9"},"content":{"rendered":"<p>\u5728\u7535\u8def\u8bbe\u8ba1\u4e2d\uff0c\u963b\u6297\u6d4b\u91cf\u4e4b\u6240\u4ee5\u975e\u5e38\u91cd\u8981\uff0c\u662f\u56e0\u4e3a\u5b83\u80fd\u591f\u51c6\u786e\u638c\u63e1\u4ea4\u6d41\u4fe1\u53f7\u4e0b\u7684\u590d\u963b\u6297\u7279\u6027\uff08Impedance: \\(Z\\)\uff09\u3002\u4f8b\u5982\uff0c\u5728\u6570GHz\u9891\u6bb5\u4e0b\uff0c\u82e5\u5929\u7ebf\u963b\u6297\u53d1\u751f\u504f\u79fb\uff0c\u5c06\u5bfc\u81f4\u901a\u4fe1\u8d28\u91cf\u663e\u8457\u4e0b\u964d\uff0c\u5e76\u9020\u6210\u975e\u9884\u671f\u7684\u566a\u58f0\u548c\u635f\u8017\u3002\u5728\u5b9e\u9645\u5e94\u7528\u573a\u666f\u4e2d\uff0c\u867d\u7136\u9700\u8981\u501f\u52a9LCR\u6d4b\u8bd5\u4eea\u3001\u963b\u6297\u5206\u6790\u4eea\u3001VNA\uff08\u77e2\u91cf\u7f51\u7edc\u5206\u6790\u4eea\uff09\u7b49\u6d4b\u91cf\u4eea\u5668\u8fdb\u884c\u51c6\u786e\u6d4b\u91cf\uff0c\u4f46\u82e5\u5bf9\u6d4b\u91cf\u548c\u5206\u6790\u6d41\u7a0b\u7684\u7406\u89e3\u4e0d\u591f\u5145\u5206\uff0c\u5219\u96be\u4ee5\u53d1\u6325\u9884\u671f\u6027\u80fd\u3002\u672c\u6307\u5357\u5c06\u4ece\u963b\u6297\u6d4b\u91cf\u7684\u65b9\u5f0f\u9009\u62e9\u548c\u4f7f\u7528\u65b9\u6cd5\u5230\u7cbe\u5ea6\u63d0\u5347\u65b9\u6cd5\uff0c\u4ecb\u7ecd\u9ad8\u6548\u7387\u7684\u963b\u6297\u6d4b\u91cf\u3002<\/p>\n<h2 id=\"toc1\">\u963b\u6297\u6d4b\u91cf\u7684\u539f\u56e0\u548c\u610f\u4e49<\/h2>\n<p>\u5728\u7535\u8def\u6027\u80fd\u672a\u8fbe\u8bbe\u8ba1\u9884\u671f\u65f6\uff0c\u51c6\u786e\u8bc6\u522b\u5143\u5668\u4ef6\u7684\u5b9e\u9645\u7279\u6027\u5bf9\u4e8e\u9501\u5b9a\u539f\u56e0\u800c\u8a00\u975e\u5e38\u91cd\u8981\u3002\u4ec5\u4f9d\u636e\u89c4\u683c\u4e66\u53c2\u6570\u8fdb\u884c\u8bbe\u8ba1\uff0c\u4f1a\u5ffd\u7565\u9891\u7387\u7279\u6027\u548c\u6e29\u5ea6\u53d8\u5316\u7b49\u56e0\u7d20\u5bfc\u81f4\u7684\u6ce2\u52a8\uff0c\u4ece\u800c\u5f15\u53d1\u975e\u9884\u671f\u5de5\u4f5c\u3002\u8fd9\u5c31\u8981\u6c42\u901a\u8fc7\u963b\u6297\u6d4b\u91cf\u6765\u91cf\u5316\u6ce2\u52a8\u56e0\u7d20\uff0c\u4ece\u800c\u63d0\u9ad8\u8bbe\u8ba1\u7cbe\u5ea6\u3002<\/p>\n<h3 id=\"toc2\">\u5b9e\u6d4b\u503c\u4e0e\u89c4\u683c\u503c\u5b58\u5728\u5dee\u5f02\u7684\u539f\u56e0\uff1a\u5bc4\u751f\u5206\u91cf\u548c\u9891\u7387\u7279\u6027<\/h3>\n<p>\u4ea7\u54c1\u89c4\u683c\u4e66\u4e2d\u5217\u51fa\u7684\u6570\u503c\uff0c\u901a\u5e38\u662f\u57281kHz\u548c120Hz\u7b49\u6807\u51c6\u6d4b\u8bd5\u6761\u4ef6\u4e0b\u6d4b\u5f97\u7684\u503c\u3002\u82e5\u5b9e\u9645\u5e94\u7528\u8bbe\u5907\u7684\u5de5\u4f5c\u9891\u6bb5\u3001\u4fe1\u53f7\u7535\u5e73\u3001\u76f4\u6d41\u504f\u7f6e\u3001\u6e29\u5ea6\u53ca\u5b89\u88c5\u6761\u4ef6\u4e0e\u5176\u5b58\u5728\u5dee\u5f02\uff0c\u5b9e\u6d4b\u7ed3\u679c\u5c06\u7cfb\u7edf\u6027\u504f\u79bb\u7406\u60f3\u6a21\u578b\u3002\u8981\u60f3\u9884\u89c1\u5dee\u5f02\u5e76\u8fdb\u884c\u8c03\u6574\uff0c\u9700\u4ee5\u7406\u60f3\u5143\u4ef6\u7684\u7279\u6027\u4e3a\u51fa\u53d1\u70b9\uff0c\u4e86\u89e3\u73b0\u5b9e\u4e2d\u5143\u5668\u4ef6\u7684\u5bc4\u751f\u5206\u91cf\u548c\u9891\u7387\u54cd\u5e94\u7279\u6027\uff0c\u4e0b\u9762\u4ee5\u4e09\u79cd\u5143\u4ef6\u4e3a\u4f8b\u8fdb\u884c\u8bf4\u660e\u3002<\/p>\n<table class=\"table1\">\n<tbody>\n<tr>\n<th>\u5143\u4ef6<\/th>\n<th>\u5b9e\u9645\u4e32\u8054\u7b49\u6548\uff08\u5178\u578b\u516c\u5f0f\uff09\\(Z\\)<\/th>\n<th>\u81ea\u8c10\u632f\u9891\u7387\\(f_{SRF}\\)<\/th>\n<\/tr>\n<tr>\n<td>\u7535\u5bb9\u5668\\(C\\)<\/td>\n<td><!--\u6570\u5f0f--><span class=\"mathjax-text\">\\(Z_C\u2248ESR(f)+j2\u03c0f\\ ESL+\\displaystyle\\frac{1}{j2\u03c0fC}\\)<\/span><\/td>\n<td><!--\u6570\u5f0f--><span class=\"mathjax-text\">\\(f_{SRF}=\\displaystyle\\frac{1}{2\u03c0\\sqrt{ESL\\ C}}\\)<\/span><\/td>\n<\/tr>\n<tr>\n<td>\u7535\u611f\u5668\\(L\\)<\/td>\n<td><!--\u6570\u5f0f--><span class=\"mathjax-text\">\\(Z_L\u2248(R_{AC}(f)+j2\u03c0fL)\\|\\displaystyle\\frac{1}{j2\u03c0fC_p}\\)<\/span><\/td>\n<td><!--\u6570\u5f0f--><span class=\"mathjax-text\">\\(f_{SRF}=\\displaystyle\\frac{1}{2\u03c0\\sqrt{LC_p}}\\)<\/span><\/td>\n<\/tr>\n<tr>\n<td>\u7535\u963b\u5668\\(R\\)<\/td>\n<td><!--\u6570\u5f0f--><span class=\"mathjax-text\">\\(Z_R\u2248R+j2\u03c0fL_s\\)<\/span><\/td>\n<td>\u5728\u9ad8\u9891\u6761\u4ef6\u4e0b\uff0c\\(L_s\\)\u548c\\(C_P\\)\u5171\u540c\u4f5c\u7528\u5f62\u6210\u5e73\u7f13\u7684\u8c10\u632f\u8c37\u3002\\(SRF\\)\u672a\u8fdb\u884c\u5b9a\u4e49\uff0c\u91c7\u7528\u5b9e\u6d4b\u8bc4\u4f30\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u203b\u9891\u7387\u7528\\(f\\)[Hz]\u8868\u793a\uff0c\u89d2\u9891\u7387\u4e3a\\(\u03c9\\)=2\\(\u03c0f\\)\u3002<\/p>\n<ul class=\"unordered-list noindent\">\n<li><strong>\u7535\u5bb9\u5668\u7684\u963b\u6297<\/strong><\/li>\n<\/ul>\n<p>\u7406\u60f3\u963b\u6297\uff1a\\(\u03c9\\)=2\\(\u03c0f\\)\uff08\u89d2\u9891\u7387\uff09\u3001\\(C\\)\u4e3a\u7535\u5bb9\u503c\uff0c\\(j\\)\u4e3a\u865a\u6570\u5355\u4f4d\u3002<\/p>\n<p><!-- \u6570\u5f0f --><\/p>\n<p><span class=\"mathjax-text\">\\(Z_C=\\displaystyle\\frac{1}{j2\u03c0fC}=-j \\displaystyle\\frac{1}{2\u03c0fC}\\)<\/span><\/p>\n<p>\u5b9e\u9645\u4e32\u8054\u7b49\u6548\uff1a\u5b9e\u9645\u7535\u5bb9\u5305\u542b\u7b49\u6548\u4e32\u8054\u7535\u963b\uff08\\(ESR\\)\uff09\u548c\u7b49\u6548\u4e32\u8054\u7535\u611f\uff08\\(ESL\\)\uff09\u3002<\/p>\n<p><!-- \u6570\u5f0f --><\/p>\n<p><span class=\"mathjax-text\">\\(Z_C=ESR(f)+j2\u03c0f\\ ESL+\\displaystyle\\frac{1}{j2\u03c0fC}\\)<\/span><\/p>\n<p>\u81ea\u8c10\u632f\uff1a\u5728\u4f4e\u9891\u6bb5\u4e3b\u8981\u8868\u73b0\u4e3a\u5bb9\u6027\uff0c\u968f\u7740\u9891\u7387\u5347\u9ad8\uff0c\\(ESL\\)\u5e26\u6765\u7684\u611f\u6027\u7279\u5f81\u9010\u6e10\u663e\u73b0\u3002\u5f53\u8fbe\u5230\u81ea\u8c10\u632f\u9891\u7387\uff08\\(SRF\\)\uff09\u65f6\uff0c\u963b\u6297\u964d\u81f3\u6700\u4f4e\u503c\uff0c\u8ba1\u7b97\u516c\u5f0f\u5982\u4e0b\uff1a<\/p>\n<p><!-- \u6570\u5f0f --><\/p>\n<p><span class=\"mathjax-text\">\\(f_{SRF}=\\displaystyle\\frac{1}{2\u03c0\\sqrt{ESL\\ C}}\\)<\/span><\/p>\n<p>\u5982\u679c\u662f\\(C\\)=100\u00b5F\u3001\\(ESL\\)=10nH\u7684\u94dd\u7535\u89e3\u7535\u5bb9\u5668\uff0c\u5219\uff1a<\/p>\n<p><!-- \u6570\u5f0f --><\/p>\n<p><span class=\"mathjax-text\">\\(f_{SRF}=\\displaystyle\\frac{1}{2\u03c0\\sqrt{10\u00d710^{\\ -9}\u00d7100\u00d710^{\\ -6}\\ }}=\\displaystyle\\frac{1}{2\u03c0\\sqrt{10^{\\ -12}\\ }}\u2248159kHz\\)<\/span><\/p>\n<p>\u5982\u679c\u8d85\u8fc7\u8be5\u9891\u7387\uff0c\u65c1\u8def\u7535\u5bb9\u7684\u6548\u679c\u5c06\u6025\u5267\u964d\u4f4e\u3002<\/p>\n<ul class=\"unordered-list noindent\">\n<li><strong>\u7535\u963b\u5668\u7684\u963b\u6297<\/strong><\/li>\n<\/ul>\n<p>\u7531\u4e8e\u76f4\u6d41\u7535\u4e0d\u4f9d\u8d56\u9891\u7387\uff0c\u56e0\u6b64\u53ef\u7528\u4ee5\u4e0b\u516c\u5f0f\u8868\u793a\uff1a<\/p>\n<p><!-- \u6570\u5f0f --><\/p>\n<p><span class=\"mathjax-text\">\\(Z_R=R\\)<\/span><\/p>\n<p>\u5728\u4f4e\u9891\u81f3\u4e2d\u9891\u8303\u56f4\uff0c\u7535\u963b\u5668\u53ef\u89c6\u4e3a\u5177\u6709\u4e32\u8054\u5bc4\u751f\u7535\u611f\\(L_s\\)\u7684\u4e32\u8054\u7535\u8def\uff0c\u56e0\u6b64\u5176\u963b\u6297\u53ef\u8fd1\u4f3c\u8868\u793a\u4e3a\uff1a<\/p>\n<p><!-- \u6570\u5f0f --><\/p>\n<p><span class=\"mathjax-text\">\\(Z_R\u2248R+j2\u03c0fL_s\\)<\/span><\/p>\n<p>\u5f53\u9891\u7387\u8fdb\u4e00\u6b65\u5347\u9ad8\u65f6\uff0c\u7531\u5f15\u811a\u3001\u5e03\u7ebf\u53ca\u819c\u5c42\u7ed3\u6784\u5f15\u53d1\u7684\u5bc4\u751f\u7535\u5bb9\\(C_P\\)\u548c\u4e32\u8054\u5bc4\u751f\u7535\u611f\\(L_s\\)\u5c06\u4e0d\u53ef\u5ffd\u89c6\u3002<\/p>\n<p>\u4e00\u6b21\u8fd1\u4f3c\u5f0f\uff1a<\/p>\n<p><!-- \u6570\u5f0f --><\/p>\n<p><span class=\"mathjax-text\">\\(Z_R\u2248j2\u03c0fL_s+\\left(R\\|\\displaystyle\\frac{1}{j2\u03c0fC_P}\\right)\\)<\/span><\/p>\n<p>\u4ee51206\u5c3a\u5bf8\u76841\u03a9\u7535\u963b\u4e3a\u4f8b\uff0c\u8bbe\\(C_P\\)\u22480.1pF\u3001\\(L_s\\)\u22481nH\uff0c\u5219\u5728100MHz\u9891\u7387\u65f6\\(X_L\\)=0.628\u2009\u03a9\uff0c\u6b64\u65f6\u7535\u611f\u7684\u5f71\u54cd\u5df2\u8fbe\u5230\u4e0d\u53ef\u5ffd\u89c6\u7684\u7a0b\u5ea6\u3002\u5bf9\u4e8e1k\u03a9\u8fd9\u6837\u7684\u5927\u963b\u503c\u7535\u963b\u800c\u8a00\uff0c\u5728\u76f8\u540c\u6761\u4ef6\u4e0b\uff0c\\(X_L\\)\/\\(R\\)\u22480.06%\uff0c\u6bd4\u4f8b\u5f88\u5c0f\uff0c\u53ef\u89c1\u5bc4\u751f\u5206\u91cf\u7684\u76f8\u5bf9\u5f71\u54cd\u7a0b\u5ea6\u4f1a\u968f\u7535\u963b\u503c\u800c\u53d8\u5316\u3002<\/p>\n<ul class=\"unordered-list noindent\">\n<li><strong>\u7535\u611f\u7684\u963b\u6297<\/strong><\/li>\n<\/ul>\n<p>\u7406\u60f3\u963b\u6297\uff1a<\/p>\n<p><!-- \u6570\u5f0f --><\/p>\n<p><span class=\"mathjax-text\">\\(Z_L=j2\u03c0fL\\)<\/span><\/p>\n<p>\u5b9e\u9645\u7b49\u6548\uff1a\u9664\u7ed5\u7ec4\u7535\u963b\u7684\u76f4\u6d41\u5206\u91cf\\(R_{DC}\\)\u5f71\u54cd\u5916\uff0c\u8fd8\u5305\u62ec\u7531\u8d8b\u80a4\u6548\u5e94\u3001\u90bb\u8fd1\u6548\u5e94\u53ca\u78c1\u82af\u635f\u8017\u5f15\u8d77\u7684\u4f9d\u8d56\u9891\u7387\u7684\u4ea4\u6d41\u7535\u963b\\(R_{AC}(f)\\)\u3001\u4ee5\u53ca\u7ed5\u7ec4\u95f4\u7684\u5bc4\u751f\u7535\u5bb9\\(C_P\\)\u7684\u5f71\u54cd\uff1a<\/p>\n<p><!-- \u6570\u5f0f --><\/p>\n<p><span class=\"mathjax-text\">\\(Z_L\u2248R_{AC}(f)+j2\u03c0fL+\\displaystyle\\frac{1}{j2\u03c0fC_p}\\)<\/span><\/p>\n<p>\u5728\u4f4e\u9891\u6bb5\uff08\u8fdc\u4f4e\u4e8e\u81ea\u8c10\u632f\u9891\u7387\u7684\u9891\u6bb5\uff09\uff0c\\(C_P\\)\u7684\u5f71\u54cd\u8f83\u5c0f\uff0c\u56e0\u6b64\u53ef\u901a\u8fc7\u4e0b\u9762\u7684\u516c\u5f0f\u8fd1\u4f3c\u8868\u793a\uff1a<\/p>\n<p><!-- \u6570\u5f0f --><\/p>\n<p><span class=\"mathjax-text\">\\(Z_L\u2248R_{AC}(f)+j2\u03c0fL\\)<\/span><\/p>\n<p>\u53e6\u4e00\u65b9\u9762\uff0c\u5728\u9ad8\u9891\u6761\u4ef6\u4e0b\uff0c\u7ed5\u7ec4\u95f4\u7535\u5bb9\\(C_P\\)\u4f1a\u4f5c\u4e3a\u5f15\u811a\u95f4\u7684\u5e76\u8054\u5bc4\u751f\u5206\u91cf\u4ea7\u751f\u5f71\u54cd\uff0c\u56e0\u6b64\u5b9e\u9645\u6d4b\u91cf\u4e2d\u7684\u8868\u73b0\u901a\u5e38\u53ef\u7528\u4e0b\u9762\u7684\u516c\u5f0f\u8868\u793a\uff1a<\/p>\n<p><!-- \u6570\u5f0f --><\/p>\n<p><span class=\"mathjax-text\">\\(Z_L\u2248(R_{AC}(f)+j2\u03c0fL)\\|\\displaystyle\\frac{1}{j2\u03c0fC_p}\\)<\/span><\/p>\n<p>\u7531\u4e8e\u54c1\u8d28\u56e0\u6570\u7531\u4e0b\u9762\u7684\u516c\u5f0f\u5b9a\u4e49\uff0c\u968f\u7740\u9891\u7387\u7684\u5347\u9ad8\uff0c\\(R_{AC}(f)\\)\u589e\u52a0\uff0c\\(Q\\)\u6700\u7ec8\u4f1a\u8fbe\u5230\u4e0a\u9650\u3002<\/p>\n<p><!-- \u6570\u5f0f --><\/p>\n<p><span class=\"mathjax-text\">\\(Q=2\u03c0f\\displaystyle\\frac{L}{R_{AC}(f)}\\)<\/span><\/p>\n<p>\u81ea\u8c10\u632f\u9891\u7387\uff1a<\/p>\n<p><!-- \u6570\u5f0f --><\/p>\n<p><span class=\"mathjax-text\">\\(f_{SRF}=\\displaystyle\\frac{1}{2\u03c0\\sqrt{LC_p}}\\)<\/span><\/p>\n<p>\u5728\u8be5\u9891\u7387\u9644\u8fd1\uff0c\u76f8\u4f4d\u8fc7\u96f6\uff0c\u968f\u540e\u5448\u73b0\u51fa\u5bb9\u6027\u3002\u53e6\u5916\u5f53\u76f4\u6d41\u53e0\u52a0\u4f7f\u6709\u6548\u78c1\u5bfc\u7387\u964d\u4f4e\u65f6\uff0c\\(L\\)\u503c\u4f1a\u51cf\u5c0f\uff0c\u5373\u4f7f\u662f\u76f8\u540c\u5143\u4ef6\uff0c\u5176\u963b\u6297\u66f2\u7ebf\u4e5f\u4f1a\u968f\u504f\u7f6e\u6761\u4ef6\u7684\u53d8\u5316\u800c\u53d8\u52a8\u3002<\/p>\n<h3 id=\"toc3\">\u5f71\u54cd\u6d4b\u91cf\u7ed3\u679c\u7684\u56e0\u7d20<\/h3>\n<p>\u672c\u8282\u5c06\u91cd\u70b9\u5173\u6ce8\u5143\u4ef6\u56fa\u6709\u7684\u56e0\u7d20\uff08\u7535\u5bb9\u548c\u7535\u611f\u7684\u9891\u7387\u3001\u76f4\u6d41\u504f\u7f6e\u3001\u4ea4\u6d41\u7535\u5e73\u3001\u6e29\u5ea6\uff09\uff0c\u5e76\u68b3\u7406\u5bfc\u81f4\u6d4b\u91cf\u7ed3\u679c\u53d8\u5316\u7684\u4e3b\u8981\u56e0\u7d20\u3002\u6709\u5173\u56e0\u5939\u5177\u548c\u6d4b\u91cf\u76f8\u5173\u56e0\u7d20\uff08\u6821\u51c6\u3001\u5e03\u7ebf\u3001\u5468\u56f4\u73af\u5883\uff09\u5bfc\u81f4\u7684\u8bef\u5dee\uff0c\u8bf7\u53c2\u9605\u201c\u6d4b\u91cf\u6b65\u9aa4\u548c\u6d4b\u91cf\u73af\u5883\u201d\u7ae0\u8282\u3002<\/p>\n<p><!-- \u753b\u50cf --><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2026\/05\/01-factor-affecting-measurement-results.png\" alt=\"\u5f71\u54cd\u6d4b\u91cf\u7ed3\u679c\u7684\u56e0\u7d20\" width=\"700\" height=\"394\" \/><\/p>\n<ul class=\"unordered-list noindent\">\n<li><strong>\u7535\u5bb9<\/strong><\/li>\n<\/ul>\n<p>\u7535\u5bb9\u7684\u963b\u6297\u7279\u6027\u4e3b\u8981\u53d7\u9891\u7387\u3001\u76f4\u6d41\u504f\u7f6e\u3001\u6e29\u5ea6\u8fd9\u4e09\u5927\u56e0\u7d20\u5f71\u54cd\u3002\u9891\u7387\u53d8\u5316\u4f1a\u6539\u53d8\u7b49\u6548\u7535\u8def\u4e2d\u7684\u4e3b\u5bfc\u9879\uff1b\u76f4\u6d41\u504f\u7f6e\u901a\u8fc7\u4ecb\u7535\u5e38\u6570\u7684\u975e\u7ebf\u6027\u4f7f\u7535\u5bb9\u91cf\u4e0b\u964d\uff1b\u800c\u6e29\u5ea6\u5219\u901a\u8fc7\u4ecb\u8d28\u7684\u6e29\u5ea6\u7cfb\u6570\u548c\u7535\u6781\u7535\u963b\uff0c\u7cfb\u7edf\u5730\u6539\u53d8\u5bb9\u91cf\u548c\u635f\u8017\u3002\u7b26\u53f7\u662f\u6307\\(C\\)\uff08\u7535\u5bb9\u91cf\uff09\u3001\\(ESR\\)\uff08\u7b49\u6548\u4e32\u8054\u7535\u963b\uff09\u3001\\(ESL\\)\uff08\u7b49\u6548\u4e32\u8054\u7535\u611f\uff09\u3001\\(Q\\)\uff08\u54c1\u8d28\u56e0\u6570\uff09\u3002<\/p>\n<p><strong>\u9891\u7387\u4f9d\u8d56\u6027<\/strong><\/p>\n<p>\u7535\u5bb9\u5668\u7684\u4e32\u8054\u7b49\u6548\u503c\u53ef\u901a\u8fc7\u4e0b\u9762\u7684\u516c\u5f0f\u8fd1\u4f3c\u8ba1\u7b97\uff1a<\/p>\n<p><!-- \u6570\u5f0f --><\/p>\n<p><span class=\"mathjax-text\">\\(Z_s(f)=ESR(f)+\\displaystyle\\frac{1}{j2\u03c0fC}+j2\u03c0f\\ ESL\\)<\/span><\/p>\n<p>\u5728\u81ea\u8c10\u632f\u9891\u7387\\(f\\)&lt;\\(f_{SRF}\\)\u65f6\uff0c|\\(Z\\)|\u22481\/(2\\(\u03c0f\\)\u30fb\\(C\\))\u5360\u4e3b\u5bfc\uff1b\u800c\u5728\u8c10\u632f\u70b9\u9644\u8fd1\uff0c\\(ESR\\)\u548c\u4ecb\u8d28\u635f\u8017\u89d2\u6b63\u5207\uff08\\(tan\u03b4\\)\uff09\u7684\u5f71\u54cd\u589e\u52a0\u3002\u5728\u66f4\u9ad8\u9891\u6bb5\\(f\\)&gt;\\(f_{SRF}\\)\u65f6\uff0c\\(ESL\\)\u5206\u91cf\u7684\u5f71\u54cd\u8d77\u4e3b\u5bfc\u4f5c\u7528\uff0c\u53ef\u4ee5\u89c2\u6d4b\u5230\u7c7b\u4f3c\u7ebf\u5708\u7684\u963b\u6297\u7279\u6027\u3002<\/p>\n<p><!-- \u6570\u5f0f --><\/p>\n<p><span class=\"mathjax-text\">\\(f_{SRF}\u2248\\displaystyle\\frac{1}{2\u03c0\\sqrt{ESL\\ C}}\\)<\/span><\/p>\n<p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5c06|\\(Z\\)|\u975e\u5e38\u5c0f\u4e14\u2220\\(Z\\)\u8fc7\u96f6\u65f6\u7684\u9891\u7387\u89c6\u4e3a\u81ea\u8c10\u632f\u9891\u7387\uff08\u6d4b\u91cf\u9700\u5728\u76f8\u540c\u4ea4\u6d41\u7535\u5e73\u4e0b\u8fdb\u884c\uff09\u3002<\/p>\n<p>\u901a\u8fc7\u4e32\u8054\u7b49\u6548\u7535\u8def\u6765\u7406\u89e3\u54c1\u8d28\u56e0\u6570\uff0c\u53ef\u4ee5\u76f4\u89c2\u5730\u628a\u63e1\u9891\u7387\u3001\\(ESR\\)\u53ca\\(C\\)\u7684\u76f8\u5bf9\u53d8\u5316\u3002<\/p>\n<p><!-- \u6570\u5f0f --><\/p>\n<p><span class=\"mathjax-text\">\\(Q\u2248\\displaystyle\\frac{1}{2\u03c0fC\\ ESR}\\)<\/span><\/p>\n<p><strong>\u76f4\u6d41\u504f\u7f6e\u7279\u6027<\/strong><\/p>\n<p>\u5bf9\u9ad8\u4ecb\u7535\u5e38\u6570\u9676\u74f7\u7535\u5bb9\u5668\uff08\u5982X7R\/X5R\u7b49\uff09\u65bd\u52a0\u8f83\u9ad8\u76f4\u6d41\u7535\u538b\u65f6\uff0c\u5176\u7535\u4ecb\u8d28\u5185\u90e8\u7684\u6781\u5316\u4f1a\u8d8b\u4e8e\u9971\u548c\u72b6\u6001\uff0c\u5bfc\u81f4\u8868\u89c2\u4ecb\u7535\u5e38\u6570\u4e0b\u964d\uff0c\u4ece\u800c\u4f7f\u7535\u5bb9\u91cf\u964d\u4f4e\u3002<\/p>\n<p>\u8fd9\u79cd\u73b0\u8c61\u6e90\u4e8e\u7535\u573a\u5f3a\u5ea6\\(E\\)\u4e0e\u4ecb\u7535\u5e38\u6570\\(\u03b5\\)\u4e4b\u95f4\u7684\u975e\u7ebf\u6027\u5173\u7cfb\u2014\u2014\u5f53\u7535\u573a\u589e\u5f3a\u65f6\uff0c\u4ecb\u7535\u5e38\u6570\u4f1a\u53d1\u751f\u53d8\u5316\uff08\u901a\u5e38\u5448\u73b0\u4e0b\u964d\u8d8b\u52bf\uff09\uff0c\u8fd9\u79cd\u975e\u7ebf\u6027\u7279\u6027\u5bfc\u81f4\u4e86\u4e0a\u8ff0\u73b0\u8c61\u7684\u4ea7\u751f\u3002\u7531\u4e8e\u5b58\u5728\u8fd9\u6837\u7684\u975e\u7ebf\u6027\u7279\u6027\uff0c\u5728\u8fdb\u884c\u7535\u5bb9\u6027\u80fd\u6bd4\u8f83\u8bc4\u4f30\u65f6\uff0c\u9700\u786e\u4fdd\u5728\u76f8\u540c\u9891\u7387\u3001\u76f8\u540c\u4ea4\u6d41\u7535\u5e73\uff08\u5efa\u8bae0.1-0.5Vrms\uff0c\u9ad8\u4ecb\u7535\u5e38\u6570\u4ea7\u54c1\u5efa\u8bae\u4ece0.1Vrms\u5de6\u53f3\u5f00\u59cb\uff09\u53ca\u76f8\u540c\u6e29\u5ea6\u7b49\u6d4b\u8bd5\u6761\u4ef6\u4e0b\uff0c\u65bd\u52a0\u9884\u671f\u4f7f\u7528\u7684\u76f4\u6d41\u7535\u538b\u540e\u8fdb\u884c\u8bc4\u4f30\u3002<\/p>\n<p><strong>\u6e29\u5ea6\u7279\u6027<\/strong><\/p>\n<p>\u4ecb\u8d28\u7684\u6e29\u5ea6\u7cfb\u6570\u4f1a\u5bfc\u81f4\u7535\u5bb9\u91cf\u548c\u635f\u8017\u53d1\u751f\u53d8\u5316\u3002\u4ee5\u9676\u74f7\u7535\u5bb9\u5668\u4e3a\u4f8b\uff0c\u5178\u578b\u7279\u6027\u6709C0G\/NP0\u57fa\u672c\u4e0d\u53d7\u6e29\u5ea6\u5f71\u54cd\uff0cX7R\u5728-55\uff5e125\u2103\u8303\u56f4\u5185\u5bb9\u91cf\u53d8\u5316\u7387\u7ea6\u4e3a\u00b115%\uff0c\u800cY5V\u5219\u5bb9\u91cf\u6ce2\u52a8\u8f83\u5927\uff0c\u56e0\u6b64\u8bbe\u8ba1\u65f6\u9700\u7279\u522b\u6ce8\u610f\u3002<br \/>\n\u8bc4\u4f30\u65f6\u9700\u56fa\u5b9a\u6e29\u5ea6\u548c\u9891\u7387\u6761\u4ef6\uff0c\u5fc5\u8981\u65f6\uff0c\u4e3a\u786e\u8ba4\u78c1\u6ede\u73b0\u8c61\uff0c\u9700\u5728\u5347\u6e29\u548c\u964d\u6e29\u4e24\u4e2a\u65b9\u5411\u8fdb\u884c\u6d4b\u91cf\u3002<\/p>\n<ul class=\"unordered-list noindent\">\n<li><strong>\u7535\u611f<\/strong><\/li>\n<\/ul>\n<p>\u7535\u611f\u5668\u7684\u963b\u6297\u6d4b\u91cf\u4e2d\uff0c\u9891\u7387\u3001\u76f4\u6d41\u504f\u7f6e\u548c\u4ea4\u6d41\u6fc0\u52b1\u8fd9\u4e09\u9879\u56e0\u7d20\u5bf9\u6d4b\u91cf\u503c\u7684\u5f71\u54cd\u5f88\u5927\u3002\u5f53\u9891\u7387\u8fbe\u5230\u81ea\u8c10\u632f\u9891\u7387\u65f6\uff0c\u7535\u611f\u7684\u884c\u4e3a\u53d1\u751f\u6539\u53d8\uff1b\u76f4\u6d41\u504f\u7f6e\u4f1a\u4f7f\u5c0f\u4fe1\u53f7\u7535\u611f\u503c\u4e0b\u964d\uff1b\u800c\u5f53\u4ea4\u6d41\u6fc0\u52b1\u8f83\u5927\u65f6\uff0c\u53d7\u975e\u7ebf\u6027\u7279\u6027\u5f71\u54cd\uff0c\u7535\u611f\u6d4b\u91cf\u503c\u504f\u5c0f\uff0c\u635f\u8017\u589e\u52a0\uff0c\\(Q\\)\u503c\u4e0b\u964d\u3002<\/p>\n<p><strong>\u9891\u7387\u4f9d\u8d56\u6027\uff08\u81ea\u8c10\u632f\u9891\u7387\u7684\u53c2\u8003\u6807\u51c6\uff09<\/strong><\/p>\n<p>\u7535\u611f\u7684\u81ea\u8c10\u632f\u9891\u7387\\(f_{SRF}\\)\u4e3b\u8981\u7531\u7535\u611f\u503c\\(L\\)\u548c\u7ed5\u7ec4\u5bc4\u751f\u7535\u5bb9\\(C_P\\)\u51b3\u5b9a\uff0c\u53ef\u901a\u8fc7\u5982\u4e0b\u7b80\u5316\u516c\u5f0f\u8fd1\u4f3c\u8ba1\u7b97\uff1a<\/p>\n<p><!-- \u6570\u5f0f --><\/p>\n<p><span class=\"mathjax-text\">\\(f_{SRF} \u2248\\displaystyle\\frac{1}{2\u03c0\\sqrt{L\u2009C_p}}\\)<\/span><\/p>\n<p>\u5728\u9891\u7387\u4f4e\u4e8e\\(f_{SRF}\\)\uff08\\(f\\)&lt;\\(f_{SRF}\\)\uff09\u7684\u533a\u95f4\uff0c\u7535\u611f\\(L\\)\u5206\u91cf\u5360\u4e3b\u5bfc\uff0c\u6b64\u65f6\u963b\u6297\u5448\u73b0\u4ee5\u7ebf\u5708\u5206\u91cf\u4e3a\u4e3b\u7684\u611f\u6027\u7279\u6027\u3002\\(L\\)\u548c\u7ed5\u7ec4\u95f4\u7535\u5bb9\\(C_P\\)\u53d1\u751f\u8c10\u632f\u65f6\uff0c\u963b\u6297\u7279\u6027\u4f1a\u4ea7\u751f\u663e\u8457\u53d8\u5316\u3002\u5728\u7535\u611f\u5668\u4e2d\uff0c\\(C_P\\)\u8d77\u5230\u5e76\u8054\u5bc4\u751f\u7535\u5bb9\u7684\u4f5c\u7528\uff0c\u56e0\u6b64\u81ea\u8c10\u632f\u65f6\u4f1a\u4ea7\u751f\u5e76\u8054\u8c10\u632f\u73b0\u8c61\u3002\u6700\u7ec8\uff0c\u2223\\(Z\\)\u2223\u5448\u73b0\u51fa\u975e\u5e38\u5927\u7684\u503c\uff08\u5cf0\u503c\uff09\uff0c\u540c\u65f6\u76f8\u4f4d\u2220\\(Z\\)\u7ecf\u8fc70\u00b0\u9644\u8fd1\u3002\u8be5\u9891\u7387\u88ab\u5b9a\u4e49\u4e3a\u201c\u81ea\u8c10\u632f\u9891\u7387\uff08\\(f_{SRF}\\)\uff09\u201d\u3002\u5728\u9ad8\u9891\u6bb5\uff0c\u5f53\u9891\u7387\u9ad8\u4e8e\u81ea\u8c10\u632f\u9891\u7387\uff08\\(f\\)&gt;\\(f_{SRF}\\)\uff09\u65f6\uff0c\u5bc4\u751f\u7535\u5bb9\\(C_P\\)\u5360\u4e3b\u5bfc\uff0c\u963b\u6297\u5c06\u53cd\u8f6c\u4e3a\u4ee5\u7535\u5bb9\u5206\u91cf\u4e3a\u4e3b\u7684\u5bb9\u6027\u7279\u6027\u3002<\/p>\n<p>\u54c1\u8d28\u56e0\u6570\\(Q\\)\u7684\u57fa\u672c\u7279\u6027\u662f\uff0c\u968f\u7740\u9891\u7387\u5347\u9ad8\uff0c\u7ed5\u7ec4\u7684\u4ea4\u6d41\u7535\u963b\\(R_{AC}(f)\\)\u5bb9\u6613\u589e\u5927\uff0c\\(Q\\)\u503c\u5448\u4e0b\u964d\u8d8b\u52bf\u3002<\/p>\n<p><!-- \u6570\u5f0f --><\/p>\n<p><span class=\"mathjax-text\">\\(Q=\\displaystyle\\frac{2\u03c0fL}{R_{AC}(f)}\\)<\/span><\/p>\n<p><strong>\u76f4\u6d41\u504f\u7f6e\u7279\u6027<\/strong><\/p>\n<p>\u5f53\u76f4\u6d41\u7535\u6d41\u5bfc\u81f4\u78c1\u5316\u66f2\u7ebf\u5de5\u4f5c\u70b9\u504f\u79fb\u65f6\uff0c\u5fae\u5206\u78c1\u5bfc\u7387\u4f1a\u4e0b\u964d\uff0c\u5c0f\u4fe1\u53f7\u6761\u4ef6\u4e0b\u89c2\u6d4b\u5230\u7684\\(L\\)\u503c\u4e0b\u964d\u3002<br \/>\n\u6d4b\u91cf\u5728\u4f4e\u9891\u5fae\u5c0f\u4ea4\u6d41\u7535\u6761\u4ef6\u4e0b\u8fdb\u884c\uff0c\u5e76\u8981\u4fdd\u6301\u6e29\u5ea6\u6052\u5b9a\u3002<\/p>\n<p><strong>\u4ea4\u6d41\u6fc0\u52b1\u7535\u5e73<\/strong><\/p>\n<p>\u5f53\u6d4b\u91cf\u65f6\u7684\u4ea4\u6d41\u632f\u5e45\u8f83\u5927\u65f6\uff0c\u6d4b\u5f97\u7684\u5e76\u975e\u771f\u5b9e\u7684\u201c\u5fae\u5206\u201d\u7535\u611f\uff0c\u800c\u662f\u6709\u9650\u632f\u5e45\u4e0b\u7684\u201c\u589e\u91cf\u201d\u7535\u611f\uff0c\u901a\u5e38\u6d4b\u91cf\u503c\u504f\u5c0f\u3002\u632f\u5e45\u8d8a\u5927\uff0c\u94c1\u82af\u635f\u8017\u8d8a\u5927\uff0c\u8fd9\u4f7f\u5f97\u7b49\u6548\u7535\u963b\u589e\u5927\uff0c\u54c1\u8d28\u56e0\u6570\\(Q\\)\u503c\u56e0\u5206\u6bcd\u589e\u5927\u800c\u964d\u4f4e\u3002<\/p>\n<p>\u867d\u7136\u4e0d\u540c\u6750\u6599\u7684\u635f\u8017\u968f\u632f\u5e45\u589e\u5927\u7684\u60c5\u51b5\u5404\u5f02\uff0c\u4f46\u53ea\u9700\u7406\u89e3\u201c\u4ea4\u6d41\u78c1\u901a\u5bc6\u5ea6\u8d8a\u5927\uff0c\u635f\u8017\u8d8a\u5927\u201d\u5373\u53ef\u3002<\/p>\n<h2 id=\"toc4\">\u963b\u6297\u6d4b\u91cf\u7684\u6b65\u9aa4\u548c\u89e3\u8bfb\u65b9\u6cd5<\/h2>\n<p>\u8981\u60f3\u8fdb\u884c\u51c6\u786e\u7684\u5143\u5668\u4ef6\u8bc4\u4f30\u548c\u7535\u8def\u6027\u80fd\u9884\u6d4b\uff0c\u5c31\u9700\u8981\u638c\u63e1\u6d4b\u91cf\u6b65\u9aa4\u548c\u6570\u636e\u89e3\u8bfb\u65b9\u6cd5\u3002\u5982\u679c\u6d4b\u91cf\u503c\u7684\u5224\u5b9a\u6807\u51c6\u6a21\u7cca\u4e0d\u6e05\uff0c\u5c31\u65e0\u6cd5\u83b7\u5f97\u9884\u671f\u7684\u6027\u80fd\u3002\u4e0b\u9762\u901a\u8fc7\u5178\u578b\u7684\u7535\u5b50\u5143\u5668\u4ef6\u6d4b\u91cf\u5b9e\u4f8b\uff0c\u8be6\u7ec6\u4ecb\u7ecd\u6280\u672f\u548c\u6570\u636e\u7684\u89e3\u8bfb\u65b9\u6cd5\u3002<\/p>\n<h3 id=\"toc5\">\u81ea\u8c10\u632f\u7684\u53d1\u73b0\u65b9\u6cd5\u548c\u89e3\u8bfb<\/h3>\n<p>\u5728\u81ea\u8c10\u632f\u9891\u7387\u4e0b\uff0c\u5bb9\u6297\u4e0e\u611f\u6297\u76f8\u7b49\uff0c\u76f8\u4f4d\u8de8\u8d8a0\u00b0\u3002\u963b\u6297\u6a21\u503c|\\(Z\\)|\u6839\u636e\u5143\u4ef6\u53d6\u6781\u503c\uff1a\u7535\u5bb9\u5668\u4e3a\u6781\u5c0f\u503c\uff0c\u7535\u611f\u5668\u4e3a\u6781\u5927\u503c\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u901a\u5e38\u901a\u8fc7\u9891\u7387\u626b\u63cf\u6765\u786e\u8ba4|\\(Z\\)|\u7684\u6781\u503c\uff08\u6781\u5c0f\u503c\/\u6781\u5927\u503c\uff09\u4e0e\u76f8\u4f4d0\u00b0\u5728\u540c\u4e00\u9891\u7387\u5904\u91cd\u5408\uff0c\u5e76\u5c06\u8be5\u9891\u7387\u5b9a\u4e49\u4e3a\u201c\\(SRF\\)\u201d\u3002\u7535\u5bb9\u5668\u8d85\u8fc7\\(SRF\\)\u540e\u4f1a\u5448\u73b0\u611f\u6027\uff0c\u800c\u7535\u611f\u5668\u8d85\u8fc7\\(SRF\\)\u540e\u5219\u4f1a\u5448\u73b0\u5bb9\u6027\u3002<\/p>\n<h3 id=\"toc6\">\u6d4b\u91cf\u524d\u7684\u6821\u51c6\u6b65\u9aa4\uff1a\u5f00\u8def\u3001\u77ed\u8def\u3001\u8d1f\u8f7d\u8865\u507f\u4ee5\u53ca\u5939\u5177\u7ba1\u7406<\/h3>\n<p><!-- \u753b\u50cf --><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2026\/05\/02-open-short-load-and-coaxial-connectors.png\" alt=\" \u5f00\u8def\uff08Open\uff09\u3001\u77ed\u8def\uff08Short\uff09\u3001\u8d1f\u8f7d\uff08Load\uff09\u4e09\u79cd\u6821\u51c6\u6807\u51c6\u4ef6\u4e0e\u540c\u8f74\u8fde\u63a5\u5668\" width=\"700\" height=\"394\" \/><\/p>\n<p>\u901a\u8fc7\u77e2\u91cf\u7f51\u7edc\u5206\u6790\u4eea\u7b49\u8fdb\u884c\u5355\u7aef\u53e3\uff081-port\uff09\u6821\u51c6\u65f6\uff0c\u9700\u4f7f\u7528\u5f00\u8def\uff08Open\uff09\u3001\u77ed\u8def\uff08Short\uff09\u3001\u8d1f\u8f7d\uff08Load\uff09\u4e09\u79cd\u6807\u51c6\u4ef6\uff0c\u5e76\u5c06\u5b83\u4eec\u5206\u522b\u5b9a\u4e49\u4e3a\u7406\u60f3\u5143\u4ef6\u53e0\u52a0\u5b9e\u9645\u5bc4\u751f\u5206\u91cf\u540e\u7684\u6a21\u578b\u3002<\/p>\n<p>\u30fb\u7406\u60f3\u60c5\u51b5\u4e0b\uff0c\u5f00\u8def\uff08Open\uff09\u5e94\u5448\u73b0\u65e0\u7a77\u5927\u963b\u6297\uff0c\u4f46\u5b9e\u9645\u7684\u5f00\u8def\u7aef\u4f1a\u56e0\u5f15\u811a\u95f4\u7684\u8fb9\u7f18\u7535\u573a\u800c\u4ea7\u751f\u6b8b\u4f59\u7535\u5bb9\\(C_0\\)\uff0c\u56e0\u6b64\u9700\u5c06\u5176\u4f5c\u4e3a\u5305\u542b\u8be5\u7535\u5bb9\u5728\u5185\u7684\u5f00\u8def\u6a21\u578b\uff08\u5fc5\u8981\u65f6\u53ef\u4f5c\u4e3a\u9644\u52a0\u9ad8\u9636\u9891\u7387\u4f9d\u8d56\u9879\u540e\u7684\u6a21\u578b\uff09\u8fdb\u884c\u5904\u7406\u3002<\/p>\n<p>\u30fb\u7406\u60f3\u60c5\u51b5\u4e0b\uff0c\u77ed\u8def\uff08Short\uff09\u7684\u963b\u6297\u5e94\u4e3a0\u03a9\uff0c\u4f46\u7531\u4e8e\u5bfc\u4f53\u548c\u8fde\u63a5\u90e8\u4f4d\u7684\u81ea\u611f\u5f71\u54cd\u65e0\u6cd5\u907f\u514d\uff0c\u6545\u5c06\u5176\u4f5c\u4e3a\u5177\u6709\u6b8b\u7559\u7535\u611f\\(L_0\\)\u7684\u77ed\u8def\u6a21\u578b\u8fdb\u884c\u5904\u7406\u3002\u53e6\u5916\uff0c\u5f53\u6807\u51c6\u4ef6\u548c\u5939\u5177\u672c\u8eab\u5177\u6709\u7269\u7406\u957f\u5ea6\u65f6\uff0c\u9700\u5728\u6a21\u578b\u4e2d\u7eb3\u5165\u7b49\u6548\u7535\u6c14\u957f\u5ea6\u7684\u5ef6\u8fdf\u9879\uff0c\u4ee5\u8865\u507f\u76f8\u4f4d\u504f\u79fb\u3002<\/p>\n<p>\u30fb\u8d1f\u8f7d\uff08Load\uff09\u91c7\u7528\u6807\u79f050\u03a9\u7684\u7535\u963b\u6807\u51c6\u4ef6\uff0c\u5176\u5b9a\u4e49\u4e3a\u5305\u542b\u5b9e\u9645\u5b89\u88c5\u548c\u9891\u7387\u7279\u6027\u5f15\u8d77\u7684\u5fae\u5c0f\u504f\u5dee\u5728\u5185\u7684\u73b0\u5b9e50\u03a9\u6a21\u578b\uff0c\u4f5c\u4e3a\u53cd\u5c04\u8db3\u591f\u5c0f\u7684\u57fa\u51c6\u8d1f\u8f7d\u7528\u4e8e\u6821\u51c6\u3002<\/p>\n<p>\u8fd0\u7528\u4e0a\u8ff0\u4e09\u79cd\u6807\u51c6\u4ef6\u6a21\u578b\uff0c\u53ef\u4f30\u7b97\u6d4b\u91cf\u7cfb\u7edf\u7684\u8bef\u5dee\u9879\uff0c\u4ece\u800c\u5728\u76ee\u6807\u57fa\u51c6\u9762\u4e0a\u9ad8\u7cbe\u5ea6\u5730\u83b7\u53d6\u88ab\u6d4b\u5143\u5668\u4ef6\u7684\u53cd\u5c04\u7279\u6027\u548c\u963b\u6297\u3002<\/p>\n<p><strong>\u6821\u51c6\u7684\u5b9e\u65bd\u6b65\u9aa4<\/strong><\/p>\n<ol class=\"ordered-list\">\n<li>\u786e\u5b9a\u6d4b\u91cf\u9891\u7387\u8303\u56f4\u548c\u6d4b\u8bd5\u7535\u5e73\uff0c\u4f7f\u8bbe\u5907\u5145\u5206\u9884\u70ed\u3002<\/li>\n<li>\u6e05\u6d01\u5e76\u68c0\u67e5\u8fde\u63a5\u7aef\u53e3\u548c\u5939\u5177\uff0c\u786e\u4fdd\u4e2d\u5fc3\u5bfc\u4f53\u65e0\u504f\u79fb\u4e14\u65e0\u5f02\u7269\u9644\u7740\u3002<\/li>\n<li>\u91c7\u7528OSL\uff08Open\/Short\/Load\uff0c\u5f00\u8def\/\u77ed\u8def\/\u8d1f\u8f7d\uff09\u6807\u51c6\u4ef6\uff0c\u5728\u5b9e\u9645\u4f7f\u7528\u7684\u5939\u5177\u8868\u9762\u8bbe\u5b9a\u57fa\u51c6\u9762\uff08\u53c2\u8003\u9762\uff09\u3002\n<ul>\n<li>\u5f00\u8def\u6821\u51c6\uff1a\u5c06\u6d4b\u91cf\u5f15\u811a\u7f6e\u4e8e\u5f00\u8def\u72b6\u6001\uff0c\u8bb0\u5f55\u6d4b\u5f97\u7535\u5bb9\u548c\u6742\u6563\u7535\u5bb9<\/li>\n<li>\u77ed\u8def\u6821\u51c6\uff1a\u77ed\u63a5\u6d4b\u91cf\u5f15\u811a\uff0c\u8bb0\u5f55\u6d4b\u5f97\u7535\u611f\u548c\u6b8b\u4f59\u7535\u611f<\/li>\n<li>\u8d1f\u8f7d\u6821\u51c6\uff1a\u8fde\u63a550\u03a9\u6807\u51c6\u7535\u963b\uff0c\u8bb0\u5f55\u6d4b\u5f97\u7684\u548c\u5b9e\u9645\u6709\u6548\u7535\u963b\u503c\u53ca\u76f8\u4f4d\u503c<\/li>\n<\/ul>\n<\/li>\n<li>\u5fc5\u8981\u65f6\uff0c\u8fdb\u884c\u5939\u5177\u8865\u507f\uff08\u5e94\u7528\u8865\u507f\u6570\u636e\u3001\u53bb\u5d4c\u5165\u3001\u7aef\u53e3\u5ef6\u4f38\uff09\uff0c\u4f7f\u57fa\u51c6\u9762\u4e0e\u76ee\u6807\u6d4b\u91cf\u9762\u4e00\u81f4\u3002<\/li>\n<li>\u6821\u51c6\u540e\u7acb\u5373\u4f7f\u7528\u5df2\u77e5\u5143\u4ef6\uff08\u7cbe\u5bc6\u7535\u963b\u6216\u5df2\u77e5\u7535\u5bb9\uff09\u8fdb\u884c\u7b80\u6613\u9a8c\u8bc1\uff0c\u786e\u8ba4\u4e0e\u9884\u671f\u503c\u4e4b\u95f4\u7684\u504f\u5dee\u60c5\u51b5\u3002<\/li>\n<li>\u8bb0\u5f55\u6821\u51c6\u6761\u4ef6\uff08\u9891\u7387\u3001\u7535\u5e73\u3001\u5747\u5316\u3001\u6e29\u6e7f\u5ea6\u3001\u6240\u7528\u6807\u51c6\u4ef6\uff09\uff0c\u4ee5\u786e\u4fdd\u590d\u73b0\u6027\u3002<\/li>\n<li>\u82e5\u9700\u957f\u65f6\u95f4\u6d4b\u91cf\u6216\u5b58\u5728\u73af\u5883\u53d8\u5316\u65f6\uff0c\u5e94\u5b9a\u671f\u8fdb\u884c\u77ed\u671f\u9a8c\u8bc1\u6d4b\u91cf\uff0c\u4ee5\u76d1\u63a7\u6f02\u79fb\u60c5\u51b5\u3002<\/li>\n<\/ol>\n<p><strong>\u540c\u8f74\u8fde\u63a5\u5668\u7684\u7279\u6027<\/strong><\/p>\n<p>\u540c\u8f74\u8fde\u63a5\u5668\u7684\u963b\u6297\u6807\u79f0\u4e3a50\u03a9\uff08\u67d0\u4e9b\u7528\u9014\u4e5f\u53ef\u80fd\u91c7\u752875\u03a9\u6807\u79f0\u503c\uff09\u3002\u5b9e\u9645\u7684\u5339\u914d\u6027\u80fd\u5e76\u975e\u4ee5\u76f4\u63a5\u6570\u503c\u7684\u516c\u5dee\u6765\u5b9a\u4e49\uff0c\u800c\u662f\u901a\u8fc7\u5404\u9891\u7387\u70b9\u4e0b\u7684\u7535\u538b\u9a7b\u6ce2\u6bd4\uff08VSWR\uff09\u6216\u56de\u6ce2\u635f\u8017\uff08RL\uff09\u6765\u8bc4\u5b9a\u3002\u7531\u4e8e\u53cd\u5c04\u7cfb\u6570\u53d6\u51b3\u4e8e\u9891\u7387\uff0c\u56e0\u6b64\u8bc4\u4f30\u548c\u9009\u578b\u65f6\u8bf7\u4f9d\u636e\u6280\u672f\u89c4\u683c\u4e66\u4e2d\u6309\u9891\u6bb5\u7ed9\u51fa\u7684VSWR\/RL\u53c2\u6570\u8fdb\u884c\u5224\u5b9a\u3002\u63d2\u5165\u635f\u8017\u53d6\u51b3\u4e8e\u9891\u7387\u548c\u7ed3\u6784\uff08\u5f62\u72b6\u3001\u6750\u8d28\u3001\u8868\u9762\u5904\u7406\u3001\u5b89\u88c5\u72b6\u6001\uff09\uff0c\u56e0\u6b64\u578b\u53f7\u548c\u5b89\u88c5\u6761\u4ef6\u7b49\u56e0\u7d20\u4f1a\u5bfc\u81f4\u5dee\u5f02\uff0c\u539f\u5219\u4e0a\u5e94\u53c2\u7167\u5404\u9891\u6bb5\u7684\u89c4\u683c\u503c\u3002<\/p>\n<p><strong>\u6821\u51c6\u786e\u8ba4\u6b65\u9aa4<\/strong><\/p>\n<p>\u5b8c\u6210\u6821\u51c6\u540e\uff0c\u9700\u4f7f\u7528\u6821\u9a8c\u6807\u51c6\u4ef6\u6765\u786e\u8ba4\u6821\u51c6\u72b6\u6001\uff08\u4ee5LCR\u6d4b\u8bd5\u4eea\/\u963b\u6297\u5206\u6790\u4eea\u4e3a\u4f8b\uff09\uff1a<\/p>\n<p>\u30fb\u91c7\u7528100\u03a9\u00b10.1%\u7cbe\u5bc6\u7535\u963b\u8fdb\u884c\u9a8c\u8bc1<br \/>\n\u30fb\u5bb9\u8bb8\u8bef\u5dee\uff1a\u00b10.2%\u4ee5\u5185<br \/>\n\u30fb\u786e\u8ba4\u9891\u7387\uff1a\u6bcf\u65e5\u6216\u6d4b\u91cf\u5f00\u59cb\u65f6<\/p>\n<h3 id=\"toc7\">\u7535\u5bb9\u6d4b\u91cf\uff1a\u5bb9\u6297\u548c\\(ESR\\)\u8bc4\u4f30\u6b65\u9aa4<\/h3>\n<p>\u5728\u7535\u5bb9\u6d4b\u91cf\u4e2d\uff0c\u4e3a\u51c6\u786e\u9884\u6d4b\u7535\u8def\u7684\u9891\u7387\u7279\u6027\u548c\u529f\u7387\u635f\u8017\uff0c\u9700\u5bf9\u5bb9\u503c\u3001\\(ESR\\)\uff08\u7b49\u6548\u4e32\u8054\u7535\u963b\uff09\u53ca\u635f\u8017\u89d2\u6b63\u5207\uff08\\(tan\u03b4\\)\uff09\u8fdb\u884c\u8bc4\u4f30\u3002\u94dd\u7535\u89e3\u7535\u5bb9\u5668\u7684\\(ESR\\)\u4f1a\u5f71\u54cd\u7535\u8def\u6027\u80fd\uff0c\u56e0\u6b64\u9700\u8981\u8fdb\u884c\u9891\u7387\u7279\u6027\u8bc4\u4f30\u3002\u5728100kHz\u9891\u7387\u4e0b\uff0c\\(ESR\\)\u503c\u53ef\u5728\u6570\u5341m\u03a9\u81f3\u6570\u03a9\u8303\u56f4\u5185\u53d8\u5316\u3002<\/p>\n<p><strong>\u6d4b\u91cf\u6b65\u9aa4\u548c\u5224\u5b9a\u6807\u51c6<\/strong><\/p>\n<ol class=\"ordered-list\">\n<li>\u521d\u59cb\u72b6\u6001\u786e\u8ba4\n<ul>\n<li>\u5916\u89c2\u68c0\u67e5\uff1a\u786e\u8ba4\u662f\u5426\u5b58\u5728\u53d8\u8272\u3001\u81a8\u80c0\u3001\u6f0f\u6db2\u60c5\u51b5<\/li>\n<li>\u5f15\u811a\u95f4\u7535\u538b\uff1a\u76f4\u6d41\u5206\u91cf\u7684\u653e\u7535\u68c0\u6d4b<\/li>\n<\/ul>\n<\/li>\n<li>\u57fa\u672c\u7279\u6027\u6d4b\u8bd5\n<ul>\n<li>\u6d4b\u91cf\u9891\u7387\uff1a120Hz\uff08\u94dd\u7535\u89e3\uff09\u30011kHz\uff08\u9676\u74f7\uff09<\/li>\n<li>\u4fe1\u53f7\u7535\u5e73\uff1a0.5Vrms\u4ee5\u4e0b<\/li>\n<li>\u76f4\u6d41\u504f\u7f6e\uff1a\u4ece\u65e0\u65bd\u52a0\u72b6\u6001\u5f00\u59cb<\/li>\n<\/ul>\n<\/li>\n<li>\u9891\u7387\u7279\u6027\u6d4b\u8bd5<\/li>\n<\/ol>\n<p>\u901a\u8fc7\u9891\u7387\u626b\u63cf\u83b7\u53d6\u4ee5\u4e0b\u53c2\u6570\uff1a<\/p>\n<table>\n<tbody>\n<tr>\n<th>\u9891\u7387<\/th>\n<th>\u4e3b\u8981\u8bc4\u4f30\u9879\u76ee<\/th>\n<th>\u5bf9\u8bbe\u8ba1\u7684\u5f71\u54cd<\/th>\n<\/tr>\n<tr>\n<td>120Hz<\/td>\n<td>\u5bb9\u503c\u3001\\(tan\u03b4\\)<\/td>\n<td>\u57fa\u672c\u7279\u6027\u786e\u8ba4<\/td>\n<\/tr>\n<tr>\n<td>1kHz<\/td>\n<td>ESR\u3001\u5bb9\u503c<\/td>\n<td>\u6807\u51c6\u8bc4\u4f30<\/td>\n<\/tr>\n<tr>\n<td>10kHz<\/td>\n<td>ESR\u53d8\u5316\u70b9<\/td>\n<td>\u5f00\u5173\u5e94\u7528<\/td>\n<\/tr>\n<tr>\n<td>100kHz<\/td>\n<td>\u6700\u4f4eESR\u503c<\/td>\n<td>\u9ad8\u9891\u6027\u80fd<\/td>\n<\/tr>\n<tr>\n<td>1MHz\u4ee5\u4e0a<\/td>\n<td>ESL\u5f71\u54cd\u5f00\u59cb<\/td>\n<td>\u81ea\u8c10\u632f\u786e\u8ba4<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u6570\u636e\u89e3\u8bfb\u5b9e\u4f8b<\/strong><\/p>\n<p><!-- \u753b\u50cf --><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2026\/05\/03-frequency-characteristics-of-esr-and-impedance.png\" alt=\"ESR\u4e0e\u963b\u6297\u7684\u9891\u7387\u7279\u6027\u53caESR\u6700\u5c0f\u9891\u7387\/\u81ea\u8c10\u632f\u9891\u7387\u7684\u5173\u7cfb\" width=\"700\" height=\"394\" \/><\/p>\n<p>\u94dd\u7535\u89e3\u7535\u5bb9\u5668\uff08470\u00b5F\/25V\uff09\u7684\u6d4b\u91cf\u7ed3\u679c\u793a\u4f8b\uff1a<\/p>\n<table>\n<tbody>\n<tr>\n<th>\u9891\u7387<\/th>\n<th>\u5bb9\u503c<\/th>\n<th>\\(ESR\\)<\/th>\n<th>\\(tan\u03b4\\)<\/th>\n<th>\u5907\u6ce8<\/th>\n<\/tr>\n<tr>\n<td>120Hz<\/td>\n<td>485\u00b5F<\/td>\n<td>0.58\u03a9<\/td>\n<td>0.21<\/td>\n<td>\u89c4\u683c\u8303\u56f4\u5185<\/td>\n<\/tr>\n<tr>\n<td>1kHz<\/td>\n<td>478\u00b5F<\/td>\n<td>0.35\u03a9<\/td>\n<td>1.05<\/td>\n<td>\u6807\u51c6\u503c<\/td>\n<\/tr>\n<tr>\n<td>10kHz<\/td>\n<td>472\u00b5F<\/td>\n<td>0.12\u03a9<\/td>\n<td>3.55<\/td>\n<td>ESR\u6539\u5584<\/td>\n<\/tr>\n<tr>\n<td>100kHz<\/td>\n<td>465\u00b5F<\/td>\n<td>0.085\u03a9<\/td>\n<td>25.0<\/td>\n<td>\u6700\u4f73\u70b9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u8ba1\u7b97\u793a\u4f8b\uff1a\u7eb9\u6ce2\u7535\u6d41\u80fd\u529b\u8bc4\u4f30<\/strong><\/p>\n<p>\u6839\u636e\\(ESR\\)\u503c\u8ba1\u7b97\u7eb9\u6ce2\u7535\u6d41\u5bfc\u81f4\u7684\u53d1\u70ed\u91cf\uff1a<\/p>\n<p><!-- \u6570\u5f0f --><\/p>\n<p><span class=\"mathjax-text\">\\(P_{loss}=I_{rms}^2\u00d7ESR\\)<\/span><\/p>\n<p>470\u00b5F\u3001\\(ESR\\)=0.085\u03a9\uff08100kHz\uff09\u65f6\uff1a<\/p>\n<ul class=\"unordered-list\">\n<li>\u5bb9\u8bb8\u7eb9\u6ce2\u7535\u6d41\uff1a1Arms<\/li>\n<li>\u53d1\u70ed\u91cf\uff1a\\(P\\)=12\u00d70.085=0.085W<\/li>\n<li>\u6e29\u5ea6\u4e0a\u5347\uff1a\u7ea60.85\u2103\uff08\u5047\u8bbe\u70ed\u963b\u4e3a10\u2103\/W\uff09<\/li>\n<\/ul>\n<p><strong>\\(ESR\\)\u7684\u9891\u7387\u4f9d\u8d56\u6027<\/strong><\/p>\n<p>\u94dd\u7535\u89e3\u7535\u5bb9\u5668\u7684\\(ESR\\)\u901a\u8fc7\u4ee5\u4e0b\u73b0\u8c61\u5448\u73b0\u5982\u4e0b\u9891\u7387\u7279\u6027\uff1a<\/p>\n<ol class=\"ordered-list\">\n<li>\u4f4e\u9891\u6bb5\uff1a\u7535\u89e3\u6db2\u7684\u7535\u963b\u5360\u4e3b\u5bfc<\/li>\n<li>\u4e2d\u9891\u6bb5\uff1a\u7535\u89e3\u6db2\u4e0e\u94dd\u7b94\u5171\u540c\u4f5c\u7528<\/li>\n<li>\u9ad8\u9891\u6bb5\uff1a\u8d8b\u80a4\u6548\u5e94\u5bfc\u81f4\u94dd\u7b94\u7535\u963b\u589e\u52a0<\/li>\n<\/ol>\n<p><strong>\u81ea\u8c10\u632f\u9891\u7387\u6d4b\u91cf<\/strong><\/p>\n<p>\u5728\u81ea\u8c10\u632f\u9891\u7387\u4e0b\uff0c\u5bb9\u6297\u4e0e\u611f\u6297\u76f8\u7b49\uff1a<\/p>\n<p><!-- \u6570\u5f0f --><\/p>\n<p><span class=\"mathjax-text\">\\(f_{SRF}=\\displaystyle\\frac{1}{2\u03c0\\sqrt{ESL\\ C}}\\)<\/span><\/p>\n<p>\u6d4b\u91cf\u6b65\u9aa4\uff1a<\/p>\n<ol class=\"ordered-list\">\n<li>\u901a\u8fc7\u9891\u7387\u626b\u63cf\uff0c\u68c0\u6d4b\u963b\u6297\u6700\u5c0f\u7684\u9891\u7387\u70b9<\/li>\n<li>\u786e\u8ba4\u76f8\u4f4d\u4e3a0\u00b0\u65f6\u7684\u9891\u7387<\/li>\n<li>\u786e\u8ba4\u5728\u81ea\u8c10\u632f\u9891\u7387\u4ee5\u4e0a\u5448\u73b0\u611f\u6027\u7279\u6027<\/li>\n<\/ol>\n<h3 id=\"toc8\">\u7535\u611f\u6d4b\u91cf\uff1a\u81ea\u8c10\u632f\u9891\u7387\u4e0e\u4ea4\u6d41\u7535\u963b\uff08ACR\uff09\u7684\u786e\u8ba4\u65b9\u6cd5<\/h3>\n<p>\u5728\u7535\u611f\u6d4b\u91cf\u4e2d\uff0c\u4e3a\u4e86\u786e\u8ba4\u6240\u8bbe\u8ba1\u7684\u611f\u6027\u7279\u6027\u5f97\u4ee5\u7ef4\u6301\u7684\u9891\u7387\u8303\u56f4\uff0c\u786e\u5b9a\u81ea\u8c10\u632f\u9891\u7387\uff08\\(SRF\\)\uff09\u81f3\u5173\u91cd\u8981\u3002\u8d85\u8fc7\u8be5\u9891\u7387\u540e\uff0c\u7535\u611f\u5c06\u4f5c\u4e3a\u5bb9\u6027\u5143\u4ef6\u5de5\u4f5c\uff0c\u5bfc\u81f4\u8bbe\u8ba1\u524d\u63d0\u4e0d\u518d\u6210\u7acb\u3002\u4ea4\u6d41\u7535\u963b\uff08\\(ACR\\)\uff09\u7684\u9891\u7387\u7279\u6027\u76f4\u63a5\u5f71\u54cd\u5230\u529f\u7387\u635f\u8017\u3002<\/p>\n<p><strong>\u6d4b\u91cf\u6b65\u9aa4<\/strong><\/p>\n<ol class=\"ordered-list\">\n<li>\u57fa\u672c\u7279\u6027\u6d4b\u8bd5\n<ul>\n<li>\u6d4b\u91cf\u9891\u7387\uff1a\u6d4b\u91cf\u4eea\u6807\u51c6\uff08\u901a\u5e38\u4e3a1kHz\uff09<\/li>\n<li>\u4fe1\u53f7\u7535\u5e73\uff1a0.1Vrms\uff08\u907f\u514d\u9971\u548c\uff09<\/li>\n<li>\u8bb0\u5f55\u7535\u611f\u503c\u548c\\(Q\\)\u503c<\/li>\n<\/ul>\n<\/li>\n<li>\u9891\u7387\u7279\u6027\u6d4b\u8bd5\n<ul>\n<li>\u8d77\u59cb\u9891\u7387\uff1a100Hz<\/li>\n<li>\u7ec8\u6b62\u9891\u7387\uff1a\u81ea\u8c10\u632f\u9891\u7387\u768410\u500d<\/li>\n<li>\u6d4b\u91cf\u9879\u76ee\uff1a\\(L\\)\u3001\\(Q\\)\u3001\\(R_{AC}(f)\\)\u3001\u76f8\u4f4d<\/li>\n<\/ul>\n<\/li>\n<li>\u786e\u5b9a\u81ea\u8c10\u632f\u9891\u7387\n<ul>\n<li>\u963b\u6297\u6700\u5927\u503c\u7684\u9891\u7387<\/li>\n<li>\u76f8\u4f4d=0\u00b0\u65f6\u7684\u9891\u7387<\/li>\n<li>\u786e\u8ba4\u4e24\u8005\u4e00\u81f4<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p><strong>\u4ea4\u6d41\u7535\u963b\uff08ACR\uff09\u7684\u9891\u7387\u7279\u6027<\/strong><\/p>\n<p>\u7ed5\u7ec4\u7535\u963b\u7684\u9891\u7387\u4f9d\u8d56\u6027\u4e3b\u8981\u53d7\u4ee5\u4e0b\u56e0\u7d20\u5f71\u54cd\uff1a\u8d8b\u80a4\u6548\u5e94\u3001\u90bb\u8fd1\u6548\u5e94\uff08\u7531\u76f8\u90bb\u5bfc\u4f53\u5f15\u8d77\u7684\u7535\u6d41\u5206\u5e03\u7578\u53d8\uff09\u4ee5\u53ca\u78c1\u82af\u4e2d\u7684\u94c1\u82af\u635f\u8017\uff08\u5c24\u5176\u662f\u6da1\u6d41\u635f\u8017\uff09\u3002\u53e6\u5916\uff0c\u4f5c\u4e3a\u8d8b\u80a4\u6548\u5e94\u7684\u7b80\u5316\u6a21\u578b\uff0c\u5e38\u91c7\u7528\\(R_{AC}(f)\\)\u2248\\(RDC\\)\u221a(\\(f\\)\/\\(f_0\\))\u8fd9\u4e00\u8868\u8fbe\u5f0f\u3002\uff08\u5176\u4e2d\\(f_0\\)\u4e3a\u8d8b\u80a4\u6548\u5e94\u8d77\u59cb\u9891\u7387\uff09\u53e6\u4e00\u65b9\u9762\uff0c\u901a\u8fc7\u6d4b\u91cf\u53ef\u5f97\\(R_{AC}(f)\\)\u22482\\(\u03c0fL\\)\/\\(Q\\)>\u3002<\/p>\n<p><strong>\u8ba1\u7b97\u793a\u4f8b\uff1a\u529f\u7387\u7535\u611f\u7684\u7279\u6027\u8bc4\u4f30<\/strong><\/p>\n<p>\u89c4\u683c\uff1a47\u03bcH\uff0c\u989d\u5b9a\u7535\u6d413A\uff0c\u94c1\u6c27\u4f53\u78c1\u82af<\/p>\n<p>\u6d4b\u8bd5\u7ed3\u679c\uff081kHz\uff09\uff1a<\/p>\n<ul class=\"unordered-list\">\n<li>\u7535\u611f\u503c\uff1a46.8\u00b5H<\/li>\n<li>\\(Q\\)\u503c\uff1a45<br \/>\n<!-- \u6570\u5f0f --><span class=\"mathjax-text\">\\(R_{AC}(f)=\\displaystyle\\frac{2\u03c0fL}{Q}=\\displaystyle\\frac{2\u03c0\u00d71000\u00d746.8\u00d710^{\\ -6}\\ }{45}=6.5m\u03a9\\)<\/span><\/li>\n<\/ul>\n<p>\u529f\u7387\u635f\u8017\u8ba1\u7b97\uff1a<\/p>\n<ul class=\"unordered-list\">\n<li>\u989d\u5b9a\u7535\u6d41\u65f6\uff1a<br \/>\n<!-- \u6570\u5f0f --><span class=\"mathjax-text\">\\(P=3^{\\ 2}\u00d70.0065=58.5mW\\)<\/span><\/li>\n<li>\u6e29\u5ea6\u4e0a\u5347\uff1a<\/li>\n<\/ul>\n<p>\\(\u0394T\\)=\\(R_{th}P\\)=100\u00b0C\/W\u00d70.0585W=5.85\u00b0C\uff08\u7ea65.9\u2103\uff09<br \/>\n\uff08100\u2103\/W\u4e3a\u5047\u5b9a\u503c\uff0c\u5b9e\u9645\u53d6\u51b3\u4e8e\u6280\u672f\u89c4\u683c\u4e66\u4e2d\u7684\\(\u03b8_{JA}\\)\u3001\u5b89\u88c5\u548c\u6563\u70ed\u6761\u4ef6\uff09<\/p>\n<p><strong>\u81ea\u8c10\u632f\u9891\u7387\u6d4b\u91cf\u793a\u4f8b<\/strong><\/p>\n<p><!-- \u753b\u50cf --><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2026\/05\/04-frequency-characteristics-of-inductor-impedance-and-phase.png\" alt=\"\u7535\u611f\u7684\u963b\u6297\u548c\u76f8\u4f4d\u7684\u9891\u7387\u7279\u6027\" width=\"700\" height=\"394\" \/><\/p>\n<p>\u82af\u7247\u7535\u611f\uff081210\u5c3a\u5bf8\uff0c10\u03bcH\uff09\u7684\u6d4b\u91cf\uff1a<\/p>\n<table>\n<tbody>\n<tr>\n<th>\u9891\u7387<\/th>\n<th>\u963b\u6297<\/th>\n<th>\u76f8\u4f4d<\/th>\n<th>\u5907\u6ce8<\/th>\n<\/tr>\n<tr>\n<td>1MHz<\/td>\n<td>62.8\u03a9<\/td>\n<td>+89\u00b0<\/td>\n<td>\u611f\u6027<\/td>\n<\/tr>\n<tr>\n<td>5MHz<\/td>\n<td>314\u03a9<\/td>\n<td>+88\u00b0<\/td>\n<td>\u611f\u6027<\/td>\n<\/tr>\n<tr>\n<td>15MHz<\/td>\n<td>485\u03a9<\/td>\n<td>+45\u00b0<\/td>\n<td>\u8c10\u632f\u9644\u8fd1<\/td>\n<\/tr>\n<tr>\n<td>18MHz<\/td>\n<td>534\u03a9<\/td>\n<td>0\u00b0<\/td>\n<td>\u81ea\u8c10\u632f<\/td>\n<\/tr>\n<tr>\n<td>25MHz<\/td>\n<td>398\u03a9<\/td>\n<td>-45\u00b0<\/td>\n<td>\u5bb9\u6027<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u81ea\u8c10\u632f\u9891\u7387\uff1a18MHz<\/p>\n<p><strong>\u5bc4\u751f\u7535\u5bb9\u8ba1\u7b97<\/strong><\/p>\n<p><!-- \u6570\u5f0f --><\/p>\n<p><span class=\"mathjax-text\">\\(C_p=\\displaystyle\\frac{1}{(2\u03c0f_{SRF})^2 L}=\\displaystyle\\frac{1}{(2\u03c0\u00d718\u00d710^{\\ 6})^2\u00d710\u00d710^{\\ -6}}=7.8pF\\)<\/span><\/p>\n<p>\u5f53\u5b9e\u6d4b\u503c\u4e0e\u8ba1\u7b97\u503c7.8pF\u4e4b\u95f4\u5b58\u5728\u663e\u8457\u5dee\u5f02\u65f6\uff0c\u9700\u91cd\u65b0\u786e\u8ba4SRF\u6d4b\u91cf\u503c\u53ca\u7535\u611f\u503c\u3002<\/p>\n<h2 id=\"toc9\">\u63d0\u9ad8\u963b\u6297\u6d4b\u91cf\u7cbe\u5ea6\u7684\u8981\u70b9<\/h2>\n<p>\u6d4b\u91cf\u7cbe\u5ea6\u53d6\u51b3\u4e8e\u6821\u51c6\u6b65\u9aa4\u548c\u73af\u5883\u6761\u4ef6\u3002\u6821\u51c6\u4e0d\u826f\u53ef\u80fd\u9020\u6210\u00b110%\u4ee5\u4e0a\u7684\u8bef\u5dee\uff0c\u8fdb\u800c\u53ef\u80fd\u5f71\u54cd\u4ea7\u54c1\u54c1\u8d28\u7684\u5224\u5b9a\u3002<\/p>\n<h3 id=\"toc10\">\u8bbe\u5b9a\u6d4b\u91cf\u6761\u4ef6\u65f6\u7684\u6ce8\u610f\u4e8b\u9879\uff1a\u9891\u7387\u3001\u4fe1\u53f7\u7535\u5e73<\/h3>\n<p>\u5728\u8bbe\u5b9a\u6d4b\u91cf\u6761\u4ef6\u65f6\uff0c\u9891\u7387\u3001\u4fe1\u53f7\u7535\u5e73\u53c2\u6570\u4f1a\u76f4\u63a5\u5f71\u54cd\u5230\u6d4b\u91cf\u7cbe\u5ea6\u3002\u6d4b\u91cf\u9891\u7387\u5e94\u4e0e\u88ab\u6d4b\u5143\u4ef6\u7684\u4f7f\u7528\u9891\u7387\u4e00\u81f4\uff0c\u4fe1\u53f7\u7535\u5e73\u5e94\u8bbe\u7f6e\u5728\u907f\u514d\u975e\u7ebf\u6027\u5931\u771f\u7684\u8303\u56f4\u5185\u3002<\/p>\n<p><strong>\u6d4b\u91cf\u9891\u7387\u7684\u9009\u62e9\u6807\u51c6\u548c\u9891\u7387\u626b\u63cf\u6d4b\u91cf\u7684\u8bbe\u7f6e<\/strong><\/p>\n<p>\u539f\u5219\u4e0a\u8981\u5728\u4ea7\u54c1\u7684\u4f7f\u7528\u9891\u7387\u4e0b\u8fdb\u884c\u7279\u6027\u8bc4\u4f30\u3002\u5728\u5bbd\u9891\u6bb5\u7279\u6027\u8bc4\u4f30\u4e2d\uff0c\u989d\u5916\u589e\u52a0\u7684\u8bc4\u4f30\u9891\u7387\u4e5f\u975e\u5e38\u91cd\u8981\uff0c\u56e0\u6b64\u901a\u5e38\u91c7\u7528\u5bf9\u6570\u626b\u63cf\u65b9\u5f0f\u3002<\/p>\n<table>\n<tbody>\n<tr>\n<th>\u5143\u4ef6\u79cd\u7c7b<\/th>\n<th>\u6807\u51c6\u6d4b\u91cf\u9891\u7387<\/th>\n<th>\u8ffd\u52a0\u8bc4\u4f30\u9891\u7387<\/th>\n<\/tr>\n<tr>\n<td>\u7535\u89e3\u7535\u5bb9\u5668<\/td>\n<td>120Hz, 1kHz<\/td>\n<td>10kHz, 100kHz<\/td>\n<\/tr>\n<tr>\n<td>\u9676\u74f7\u7535\u5bb9\u5668<\/td>\n<td>1kHz, 1MHz<\/td>\n<td>\u81ea\u8c10\u632f\u9891\u7387<\/td>\n<\/tr>\n<tr>\n<td>\u7535\u611f<\/td>\n<td>\u6d4b\u91cf\u4eea\u5668\u6807\u51c6<\/td>\n<td>\u81ea\u8c10\u632f\u9891\u7387<\/td>\n<\/tr>\n<tr>\n<td>\u7535\u963b\u5668<\/td>\n<td>1kHz<\/td>\n<td>\u4f7f\u7528\u9891\u7387\u768410\u500d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul class=\"unordered-list\">\n<li>\u8d77\u59cb\u9891\u7387\uff1a1Hz\u621610Hz<\/li>\n<li>\u7ec8\u6b62\u9891\u7387\uff1a\u5143\u4ef6\u81ea\u8c10\u632f\u9891\u7387\u768410\u500d<\/li>\n<li>\u70b9\u6570\uff1a10\u70b9\/decade\uff08\u6bcf\u5341\u500d\u9891\u7a0b10\u70b9\uff09<\/li>\n<\/ul>\n<p><strong>\u4fe1\u53f7\u7535\u5e73\u7684\u4f18\u5316<\/strong><\/p>\n<p>\u6d4b\u91cf\u4fe1\u53f7\u7535\u5e73\u9700\u8981\u8003\u8651\u5230\u4ee5\u4e0b\u56e0\u7d20\u6765\u786e\u5b9a\uff1a<\/p>\n<ol class=\"ordered-list\">\n<li>\u70ed\u566a\u58f0\u7535\u5e73\uff1a<br \/>\n<!-- \u6570\u5f0f --><span class=\"mathjax-text\">\\(V_{noise}=\\sqrt{4kTRB}\\)<\/span><\/li>\n<\/ol>\n<p>\u5176\u4e2d\uff0c\\(k\\)\u8868\u793a\u73bb\u5c14\u5179\u66fc\u5e38\u6570\u3001\\(T\\)\u8868\u793a\u7edd\u5bf9\u6e29\u5ea6\u3001\\(R\\)\u8868\u793a\u7535\u963b\u503c\u3001\\(B\\)\u8868\u793a\u6d4b\u91cf\u5e26\u5bbd\u3002<\/p>\n<ol class=\"ordered-list\" start=\"2\">\n<li>\u907f\u514d\u975e\u7ebf\u6027\u5931\u771f\uff1a<br \/>\n\u5bf9\u4e8e\u9676\u74f7\u7535\u5bb9\u5668\uff0c\u82e5\u4fe1\u53f7\u7535\u5e73\u8fc7\u5927\uff0c\u5176\u7535\u5bb9\u503c\u5c06\u4f1a\u53d1\u751f\u53d8\u5316<\/p>\n<ul>\n<li>\u63a8\u8350\u7535\u5e73\u8303\u56f4\uff1a0.1V\uff5e1Vrms<\/li>\n<li>\u5728\u9ad8\u4ecb\u7535\u5e38\u6570\u5e94\u7528\u4e2d\u9700\u683c\u5916\u6ce8\u610f<\/li>\n<\/ul>\n<\/li>\n<li>\u786e\u4fdd\u4fe1\u566a\u6bd4\uff08S\/N\u6bd4\uff09\uff1a<br \/>\n<!-- \u6570\u5f0f --><span class=\"mathjax-text\">\\(SNR=20log_{10}\\left(\\displaystyle\\frac{V_{signal}}{V_{noise}}\\right)\\)<\/span><\/li>\n<\/ol>\n<p>\u8981\u786e\u4fdd0.1%\u7684\u6d4b\u91cf\u7cbe\u5ea6\uff0c\u9700\u6ee1\u8db3\\(SNR\\)&gt;60dB\u7684\u6761\u4ef6<\/p>\n<p><strong>\u8ba1\u7b97\u793a\u4f8b\uff1a\u6700\u4f73\u4fe1\u53f7\u7535\u5e73\u7684\u786e\u5b9a<\/strong><\/p>\n<p>\u5728\u6d4b\u91cf1M\u03a9\u7535\u963b\u65f6\uff08\u6d4b\u91cf\u5e26\u5bbd1kHz\uff09\uff1a<\/p>\n<ul class=\"unordered-list\">\n<li>\u5ba4\u6e29\uff0825\u2103\uff09\u6761\u4ef6\u4e0b\u7684\u70ed\u566a\u58f0\uff1a<br \/>\n<!-- \u6570\u5f0f --><span class=\"mathjax-text\">\\(V_{noise}=\\sqrt{4kTRB}=\\sqrt{4\u00d71.38\u00d710^{\\ -23}\u00d7298\u00d710^{\\ 6}\u00d71000}\\ \\ \\ \\ \\ =4.0\u00b5V_{rms}\\)<\/span><\/li>\n<li>\u6240\u9700\u4fe1\u566a\u6bd4\uff1a60dB \u2192 \u4fe1\u53f7\u7535\u5e73 \u2265 4.0\u00b5V \u00d7 1000 = 4.0mV<\/li>\n<li>\u5b9e\u7528\u7684\u4fe1\u53f7\u7535\u5e73\u8303\u56f4\uff1a10mV\uff5e50mV<\/li>\n<\/ul>\n<h3 id=\"toc11\">\u51cf\u5c11\u8bef\u5dee\u7684\u6d4b\u91cf\u73af\u5883\uff1a\u6e29\u5ea6\u6e7f\u5ea6\u7ba1\u7406\u53ca\u5bc4\u751f\u5206\u91cf\u7684\u5f71\u54cd<\/h3>\n<p>\u6d4b\u91cf\u73af\u5883\u7684\u7ba1\u7406\uff0c\u65e8\u5728\u6291\u5236\u6e29\u5ea6\u3001\u6e7f\u5ea6\u6ce2\u52a8\u53ca\u5bc4\u751f\u5206\u91cf\u5e26\u6765\u7684\u8bef\u5dee\u3002\u6e29\u5ea6\u6ce2\u52a8\u4f1a\u5bfc\u81f4\u6d4b\u91cf\u4eea\u5668\u7684\u6821\u51c6\u72b6\u6001\u53d1\u751f\u53d8\u5316\uff0c\u800c\u6e7f\u5ea6\u5219\u4f1a\u5f71\u54cd\u7edd\u7f18\u7535\u963b\u3002\u901a\u8fc7\u5c06\u6d4b\u91cf\u7ebf\u7f06\u3001\u5939\u5177\u7684\u5bc4\u751f\u5206\u91cf\u4ee5\u53ca\u5916\u90e8\u566a\u58f0\u7684\u5f71\u54cd\u964d\u5230\u66f4\u4f4e\uff0c\u6765\u63d0\u9ad8\u6d4b\u91cf\u7ed3\u679c\u7684\u590d\u73b0\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n<p><strong>\u6e29\u5ea6\u7ba1\u7406<\/strong><\/p>\n<p>\u6d4b\u91cf\u4eea\u5668\u7684\u6e29\u5ea6\u7a33\u5b9a\u6027\u53d6\u51b3\u4e8e\u5185\u90e8\u57fa\u51c6\u5668\u7684\u6e29\u5ea6\u7cfb\u6570\u3002<strong>\u4e3b\u8981\u57fa\u51c6\u5668\u7684\u6e29\u5ea6\u7cfb\u6570\u4e3a<\/strong>\uff1a\u7cbe\u5bc6\u7535\u963b\u5668\uff1a\u00b11\uff5e5ppm\/\u2103\u3001\u57fa\u51c6\u7535\u538b\u6e90\uff1a\u00b11\uff5e3ppm\/\u2103\u3001\u6676\u4f53\u632f\u8361\u5668\uff1a\u00b10.1\uff5e1ppm\/\u2103\u3002<br \/>\n\u6e29\u5ea6\u6ce2\u52a8\u00b11\u2103\u7684\u5f71\u54cd\uff0c\u5728\u5185\u90e8\u57fa\u51c6\u5668\u7684\u6e29\u5ea6\u7cfb\u6570\u4e3a1\u301c5ppm\/\u2103\u7684\u60c5\u51b5\u4e0b\uff0c\u5927\u81f4\u4f1a\u4ea7\u751f1\u301c5ppm\uff080.0001\u301c0.0005%\uff09\u7684\u504f\u5dee\u3002\u5373\u4f7f\u5728\u4e25\u82db\u7684\u7ed3\u6784\u4e2d\uff0c\u82e5\u4ee510ppm\uff080.001%\uff09\u4f5c\u4e3a\u4e0a\u9650\u57fa\u51c6\u8fdb\u884c\u4f30\u7b97\uff0c\u4e5f\u53ef\u8ba4\u4e3a\u5b89\u5168\u3002<\/p>\n<p>\u5b9e\u7528\u7684\u6e29\u5ea6\u7ba1\u7406\u65b9\u6cd5<\/p>\n<ul class=\"unordered-list\">\n<li>\u6052\u6e29\u5ba4\u7684\u4f7f\u7528\uff1a\u6e29\u5ea6\u63a7\u5236\u5728\u00b10.5\u2103\u4ee5\u5185<\/li>\n<li>\u6d4b\u91cf\u4eea\u5668\u7684\u9884\u70ed\uff1a\u901a\u8fc730\u5206\u949f\u4ee5\u4e0a\u7684\u901a\u7535\uff0c\u4f7f\u5185\u90e8\u6e29\u5ea6\u7a33\u5b9a<\/li>\n<li>\u9694\u70ed\u5c4f\u853d\uff1a\u9694\u7edd\u5916\u90e8\u6e29\u5ea6\u53d8\u5316<\/li>\n<\/ul>\n<p><strong>\u6e7f\u5ea6\u7684\u5f71\u54cd\u4e0e\u5bf9\u7b56<\/strong><\/p>\n<p>\u7edd\u7f18\u7535\u963b\u7684\u6e7f\u5ea6\u4f9d\u8d56\u6027\uff1a<\/p>\n<p><!-- \u6570\u5f0f --><\/p>\n<p><span class=\"mathjax-text\">\\(log(R_{ins})=A-B\u00d7RH\\)<\/span><\/p>\n<p>\u5176\u4e2d\uff0c\\(A\\)\u3001\\(B\\)\u4e3a\u6750\u6599\u5e38\u6570\uff0c\\(RH\\)\u8868\u793a\u76f8\u5bf9\u6e7f\u5ea6\uff08%\uff09\u3002<\/p>\n<p>\u8fd8\u9700\u5173\u6ce8\u4e0d\u540c\u6750\u6599\u5728\u6e7f\u5ea6\u4e0a\u5347\u65f6\u7684\u7535\u963b\u53d8\u5316\u7b49\u6e7f\u5ea6\u654f\u611f\u6027\u6307\u6807\u3002<\/p>\n<p>\u5bf9\u7b56\u65b9\u6cd5<\/p>\n<ul class=\"unordered-list\">\n<li>\u9664\u6e7f\u88c5\u7f6e\uff1a\u5c06\u76f8\u5bf9\u6e7f\u5ea6\u63a7\u5236\u572840%\uff5e60%\u8303\u56f4\u5185<\/li>\n<li>\u6c2e\u6c14\u5439\u626b\uff1a\u7528\u4e8e\u6d88\u9664\u6d4b\u91cf\u8154\u5ba4\u5185\u7684\u6e7f\u6c14<\/li>\n<li>\u7845\u80f6\uff1a\u5c40\u90e8\u9664\u6e7f<\/li>\n<\/ul>\n<p><strong>\u5bc4\u751f\u5206\u91cf\u7684\u5f71\u54cd<\/strong><\/p>\n<p>\u540c\u8f74\u7535\u7f06\u548c\u5939\u5177\u4e0d\u53ef\u907f\u514d\u5730\u5b58\u5728\u7535\u5bb9\u7b49\u5bc4\u751f\u56e0\u7d20\uff0c\u88ab\u6d4b\u5bf9\u8c61\u7684\u963b\u6297\u8d8a\u9ad8\uff0c\u5176\u5f71\u54cd\u5c31\u8d8a\u5927\u3002\u5e38\u89c1\u768450\u03a9\u540c\u8f74\u7535\u7f06\u6bcf\u7c73\u7ea6\u542b\u6709100pF\u7684\u7535\u5bb9\uff0c\u56e0\u6b64\u5e94\u5c3d\u53ef\u80fd\u7f29\u77ed\u7ebf\u7f06\u957f\u5ea6\uff0c\u5e76\u5728\u6d4b\u91cf\u524d\u8fdb\u884c\u5f00\u8def\u3001\u77ed\u8def\u7b49\u6821\u51c6\u3002\u6b64\u5916\uff0c\u5408\u7406\u4f7f\u7528\u9632\u62a4\u7f69\u548c\u5c4f\u853d\u7f69\u4e5f\u80fd\u51cf\u5c11\u6765\u81ea\u5468\u56f4\u73af\u5883\u7684\u5f71\u54cd\u3002<\/p>\n<h2 id=\"toc12\">\u963b\u6297\u6d4b\u91cf\u65b9\u5f0f\u7684\u79cd\u7c7b\u53ca\u9009\u62e9\u6807\u51c6<\/h2>\n<p>\u963b\u6297\u6d4b\u91cf\u7684\u65b9\u5f0f\u53ef\u6309\u6d4b\u91cf\u539f\u7406\u548c\u9002\u7528\u9891\u7387\u8fdb\u884c\u5206\u7c7b\u3002\u4ece\u7535\u6865\u6cd5\u5230S\u53c2\u6570\u6cd5\uff0c\u6709\u591a\u79cd\u6d4b\u91cf\u65b9\u6cd5\uff0c\u6bcf\u79cd\u65b9\u6cd5\u7684\u7cbe\u5ea6\u548c\u9891\u7387\u8303\u56f4\u4e5f\u5404\u6709\u4e0d\u540c\u3002<\/p>\n<table>\n<tbody>\n<tr>\n<th>\u9884\u671f\u9891\u6bb5<\/th>\n<th>\u53c2\u8003\u963b\u6297<\/th>\n<th>\u63a8\u8350\u65b9\u5f0f<\/th>\n<th>\u4e3b\u8981\u76ee\u7684<\/th>\n<\/tr>\n<tr>\n<td>10Hz\uff5e2MHz<br \/>\n\uff08\u67d0\u4e9b\u673a\u578b\u53ef\u8fbe120MHz\uff09<\/td>\n<td>1m\u03a9\uff5e100G\u03a9<\/td>\n<td>\u81ea\u52a8\u5e73\u8861\u7535\u6865\uff08LCR\uff09<\/td>\n<td>\u901a\u7528C\u3001L\u3001R\u53ca\u635f\u8017\u8bc4\u4f30<\/td>\n<\/tr>\n<tr>\n<td>10kHz\uff5e100MHz<\/td>\n<td>1\u03a9\uff5e10k\u03a9<\/td>\n<td>\u9ad8\u9891LCR<\/td>\n<td>\u65e0\u6e90\u5143\u4ef6\u7684\u9ad8\u9891\u7279\u6027\u8bc4\u4f30<\/td>\n<\/tr>\n<tr>\n<td>\u6570MHz\uff5e\u6570GHz<\/td>\n<td>1\u03a9\uff5e10k\u03a9<br \/>\n\uff08\u975e50\u03a9\u8303\u56f4\uff09<\/td>\n<td>RF I-V<\/td>\n<td>\u975e50\u03a9\u5143\u5668\u4ef6\u7684\u7edd\u5bf9\u963b\u6297\u6d4b\u91cf<\/td>\n<\/tr>\n<tr>\n<td>100MHz\uff5e\u6570GHz<\/td>\n<td>50\u03a9\u5de6\u53f3<\/td>\n<td>S\u53c2\u6570\uff08VNA\uff09<\/td>\n<td>50\u03a9\u7cfb\u7edf\u7684\u76f8\u5bf9\u6d4b\u91cf\u4e0e\u5efa\u6a21<\/td>\n<\/tr>\n<tr>\n<td>\u2264 1kHz<br \/>\n\uff08\u8ffd\u6c42\u8d85\u9ad8\u7cbe\u5ea6\uff09<\/td>\n<td>\u4efb\u610f\uff08\u57fa\u51c6\u6bd4\uff09<\/td>\n<td>\u7535\u6865\u6cd5<\/td>\n<td>\u901a\u8fc7\u6807\u51c6\u6bd4\u8f83\u5b9e\u73b0\u8d85\u9ad8\u7cbe\u5ea6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 id=\"toc13\">\u7535\u6865\u6cd5\u7684\u7279\u70b9\uff1a\u7cbe\u5ea6\u9ad8\uff08\u00b10.1%\uff09\uff0c\u9002\u7528\u4e8e\u4f4e\u901f\u3001\u4f4e\u9891\u573a\u666f<\/h3>\n<p>\u7535\u6865\u6cd5\u662f\u901a\u8fc7\u5728\u5e73\u8861\u6761\u4ef6\u4e0b\u5c06\u672a\u77e5\u963b\u6297\u4e0e\u5df2\u77e5\u6807\u51c6\u4ef6\u8fdb\u884c\u6bd4\u8f83\u6765\u6d4b\u91cf\u963b\u6297\u7684\u65b9\u6cd5\u3002\u8be5\u65b9\u6cd5\u53ef\u5b9e\u73b0\u00b10.1%\u7684\u9ad8\u7cbe\u5ea6\u6d4b\u91cf\uff0c\u4f46\u5e73\u8861\u70b9\u63a2\u7d22\u9700\u8981\u65f6\u95f4\u3002\u57281kHz\u4ee5\u4e0b\u7684\u4f4e\u9891\u6bb5\uff0c\u7535\u6865\u6cd5\u5e38\u88ab\u7528\u4e8e\u6807\u51c6\u4ef6\u6821\u51c6\u3002<\/p>\n<h3 id=\"toc14\">\u81ea\u52a8\u5e73\u8861\u7535\u6865\u6cd5\u7684\u7279\u70b9\uff1a\u6807\u51c6\u65b9\u5f0f\uff0c\u652f\u6301\u5bbd\u9891\u6bb5\uff081Hz\uff5e120MHz\uff09<\/h3>\n<p>\u81ea\u52a8\u5e73\u8861\u7535\u6865\u6cd5\u662f\u4e00\u79cd\u5229\u7528\u8fd0\u7b97\u653e\u5927\u5668\u7684\u865a\u77ed\u7279\u6027\u6765\u81ea\u52a8\u7ef4\u6301\u7535\u6865\u5e73\u8861\u7684\u65b9\u6cd5\u3002\u4e00\u822c\u7684\u81ea\u52a8\u5e73\u8861\u7535\u6865\u578bLCR\u6d4b\u8bd5\u4eea\u7684\u9891\u7387\u8303\u56f4\u7ea6\u4e3a10Hz\uff5e2MHz\u5de6\u53f3\uff08\u652f\u6301\u9ad8\u9891\u7684\u578b\u53f7\u53ef\u8fbe1Hz\uff5e120MHz\u5de6\u53f3\uff09\u3002\u5bf9\u4e8e1Hz\u4ee5\u4e0b\u7684\u4f4e\u9891\u6d4b\u91cf\u548c100MHz\u4ee5\u4e0a\u7684\u9ad8\u9891\u6d4b\u91cf\uff0c\u4f1a\u91c7\u7528\u5176\u4ed6\u65b9\u6cd5\uff08\u5982I-V\u6cd5\u3001VNA\u7b49\uff09\u8fdb\u884c\u3002\u591a\u6570LCR\u6d4b\u8bd5\u4eea\u5747\u91c7\u7528\u8be5\u6280\u672f\uff0c\u6d4b\u91cf\u65f6\u95f41\u79d2\u4ee5\u5185\uff0c\u4e5f\u5f88\u9002\u7528\u4e8e\u751f\u4ea7\u7ebf\u3002<\/p>\n<h3 id=\"toc15\">I-V\u6cd5\u7684\u57fa\u672c\u539f\u7406\uff1a\u8fd0\u7528\u4e86\u7535\u6d41\u68c0\u6d4b\u7535\u963b\u7684\u7b80\u5355\u963b\u6297\u6d4b\u91cf\u65b9\u6cd5<\/h3>\n<p>I-V\u6cd5\u662f\u4e00\u79cd\u901a\u8fc7\u5411\u88ab\u6d4b\u5bf9\u8c61\u65bd\u52a0\u4ea4\u6d41\u7535\u6d41\uff0c\u5e76\u6839\u636e\u7535\u538b\u548c\u7535\u6d41\u7684\u5173\u7cfb\u6765\u8ba1\u7b97\u963b\u6297\u7684\u65b9\u6cd5\u3002\u901a\u8fc7\u542b\u6709\u7535\u6d41\u68c0\u6d4b\u7535\u963b\u7684\u7535\u8def\u7ed3\u6784\uff0c\u53ef\u6784\u5efa\u7b80\u5355\u7684\u6d4b\u91cf\u7cfb\u7edf\u3002\u5176\u6d4b\u91cf\u539f\u7406\u660e\u786e\u4e14\u6613\u4e8e\u5e94\u5bf9\u7279\u6b8a\u6761\u4ef6\uff0c\u4f46\u5206\u6d41\u7535\u963b\u7684\u7cbe\u5ea6\u5bf9\u6d4b\u91cf\u7cbe\u5ea6\u7684\u5f71\u54cd\u5f88\u5927\u3002<\/p>\n<h3 id=\"toc16\">RF I-V\u6cd5\u7684\u9002\u7528\u8303\u56f4\uff1a\u6570MHz\uff5e\u6570GHz\u7684\u9ad8\u9891\u6d4b\u91cf<\/h3>\n<p>RF 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id=\"toc18\">\u963b\u6297\u6d4b\u91cf\u603b\u7ed3<\/h2>\n<p>\u5728\u6d4b\u91cf\u65f6\uff0c\u9996\u5148\u9700\u8981\u6839\u636e\u9891\u6bb5\u548c\u76ee\u7684\u9009\u62e9\u5408\u9002\u7684\u6d4b\u91cf\u65b9\u6cd5\u3002\u4e2d\u4f4e\u9891\u6bb5\u7684\u5143\u5668\u4ef6\u8bc4\u4f30\uff0c\u4f7f\u7528LCR\u6d4b\u8bd5\u4eea\u66f4\u6613\u4e8e\u64cd\u4f5c\uff1b\u800c\u5728\u9ad8\u9891\u6bb5\uff0c\u5219\u901a\u5e38\u91c7\u7528\u77e2\u91cf\u7f51\u7edc\u5206\u6790\u4eea\uff08VNA\uff09\uff0c\u901a\u8fc7\u53cd\u5c04\u7279\u6027\u95f4\u63a5\u6c42\u51fa\u963b\u6297\u7684\u65b9\u6cd5\u66f4\u5177\u5b9e\u7528\u6027\u3002\u65e0\u8bba\u91c7\u7528\u4f55\u79cd\u65b9\u6cd5\uff0c\u5747\u9700\u8fdb\u884c\u9002\u5f53\u6821\u51c6\uff0c\u5c06\u5939\u5177\u548c\u5f15\u7ebf\u4ea7\u751f\u7684\u5bc4\u751f\u5206\u91cf\u5c3d\u53ef\u80fd\u964d\u81f3\u66f4\u4f4e\uff0c\u540c\u65f6\u786e\u4fdd\u6e29\u5ea6\u3001\u6e7f\u5ea6\u53ca\u5916\u90e8\u566a\u58f0\u7b49\u73af\u5883\u6761\u4ef6\u7b26\u5408\u8981\u6c42\u3002\u4fe1\u53f7\u7535\u5e73\u9700\u786e\u4fdd\u8fbe\u5230\u76ee\u6807\u7cbe\u5ea6\u6240\u9700\u4fe1\u566a\u6bd4\uff0c\u5e76\u8bbe\u5b9a\u5728\u907f\u514d\u5143\u4ef6\u8fdb\u5165\u975e\u7ebf\u6027\u533a\u7684\u8303\u56f4\u5185\uff0c\u4e14\u5fc5\u987b\u8bb0\u5f55\u6240\u4f7f\u7528\u7684\u6d4b\u91cf\u6761\u4ef6\uff08\u9891\u7387\u3001\u632f\u5e45\u3001\u504f\u7f6e\u3001\u73af\u5883\uff09\u3002<\/p>\n<p>\u5728\u6d4b\u91cf\u7ed3\u679c\u8bc4\u4f30\u4e2d\uff0c\u901a\u8fc7\u626b\u63cf\u9891\u7387\u786e\u5b9a\u81ea\u8c10\u632f\u70b9\uff0c\u5e76\u4ece\u76f8\u4f4d\u7a7f\u8d8a0\u00b0\u7684\u70b9\u4e0e\u963b\u6297\u6781\u503c\u4e4b\u95f4\u7684\u5173\u7cfb\u6765\u89e3\u8bfb\u5143\u4ef6\u7684\u7279\u6027\u8868\u73b0\u3002\u7535\u5bb9\u5668\u5728\u81ea\u8c10\u632f\u9891\u7387\u4e0b\u963b\u6297\u8fbe\u5230\u6700\u5c0f\u503c\uff0c\u9ad8\u4e8e\u8be5\u9891\u7387\u65f6\u5bc4\u751f\u7535\u611f\u8d77\u4e3b\u5bfc\u4f5c\u7528\uff0c\u5448\u73b0\u611f\u6027\u7279\u6027\u3002\u7535\u611f\u5668\u5728\u81ea\u8c10\u632f\u9891\u7387\u4e0b\u963b\u6297\u8fbe\u5230\u6700\u5927\u503c\uff0c\u8d85\u8fc7\u8be5\u9891\u7387\u65f6\u5bc4\u751f\u7535\u5bb9\u8d77\u4e3b\u5bfc\u4f5c\u7528\uff0c\u8f6c\u53d8\u4e3a\u5bb9\u6027\u7279\u6027\u3002\u53e6\u5916\uff0c\u8fd8\u8981\u4f1a\u89e3\u8bfb\u54c1\u8d28\u56e0\u6570Q\u53ca\u635f\u8017\u6307\u6807\uff08\u5982ESR\u548c\u4ea4\u6d41\u7b49\u6548\u7535\u963b\u7b49\uff09\uff0c\u636e\u6b64\u8bc4\u4f30\u6240\u9700\u7684\u70ed\u8bbe\u8ba1\u4f59\u91cf\u548c\u53ef\u7528\u9891\u6bb5\u8303\u56f4\u3002\u6700\u540e\uff0c\u5982\u679c\u80fd\u7edf\u4e00\u6587\u4e2d\u6240\u4f7f\u7528\u7684\u8868\u8ff0\u548c\u524d\u63d0\uff08\u5982\u9891\u7387\u7684\u8868\u793a\u65b9\u6cd5\u3001\u635f\u8017\u7535\u963b\u7684\u7b26\u53f7\u53ca\u5b9a\u4e49\u7b49\uff09\uff0c\u5c06\u66f4\u4fbf\u4e8e\u5c06\u6d4b\u91cf\u7ed3\u679c\u76f4\u63a5\u53cd\u6620\u5230\u8bbe\u8ba1\u65f6\u7684\u6570\u503c\u6761\u4ef6\u4e2d\u3002\u5728\u5b9e\u9645\u4e2d\u6709\u6548\u8fd0\u7528\u8fd9\u4e9b\u77e5\u8bc6\uff0c\u53ef\u5b9e\u73b0\u4ece\u6d4b\u91cf\u5230\u8bc4\u4f30\u3001\u4e43\u81f3\u7535\u8def\u8bbe\u8ba1\u51b3\u7b56\u7684\u65e0\u7f1d\u8854\u63a5\u3002<\/p>\n<p><strong>\u76f8\u5173\u6587\u7ae0<\/strong><br 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