{"id":517,"date":"2026-10-11T15:01:42","date_gmt":"2026-10-11T07:01:42","guid":{"rendered":"https:\/\/ezblog.cn\/?p=517"},"modified":"2026-10-17T16:03:56","modified_gmt":"2026-10-17T08:03:56","slug":"gm-c-%e4%bd%8e%e9%80%9a%e6%bb%a4%e6%b3%a2%e5%99%a8","status":"publish","type":"post","link":"https:\/\/ezblog.cn\/?p=517","title":{"rendered":"Gm-C \u4f4e\u901a\u6ee4\u6ce2\u5668"},"content":{"rendered":"\n<p>\u7535\u5bb9\u5bf9\u7535\u6d41\u79ef\u5206\uff1a\u7535\u6d41\u6d41\u5165\u65f6\u95f4\u8d8a\u957f\uff0c\u7535\u538b\u53d8\u5316\u8d8a\u5927\u3002\u8de8\u5bfc\u5668\u6309\u8f93\u5165\u7535\u538b\u6bd4\u4f8b\u63d0\u4f9b\u8be5\u7535\u6d41\u3002\u4e24\u8005\u7ed3\u5408\u6784\u6210\nGm-C \u79ef\u5206\u5668\uff0c\u4f46\u6052\u5b9a\u8f93\u5165\u4f1a\u6301\u7eed\u628a\u8f93\u51fa\u63a8\u5411\u7535\u6e90\u8f68\u3002<\/p>\n\n<figure><img decoding=\"async\" src=\"https:\/\/ezblog.cn\/wp-content\/uploads\/2026\/10\/06_circuit.png\" style=\"max-width:100%;height:auto;\" alt=\"\u4e00\u9636 Gm-C \u7ed3\u6784\u3002\u53bb\u6389\u524d\u9988\u7535\u5bb9 \\(C_x\\)\uff08\\(C_x=0\\)\uff09\u5e76\u4ee4 \\(C_A=C\\)\uff0c\u5373\u5f97\u5230\u672c\u6587\u8ba8\u8bba\u7684\u4f4e\u901a\u7535\u8def\uff1b\\(G_{m2}\\) \u63d0\u4f9b\u6062\u590d\u6027\u53cd\u9988\u3002\"><figcaption>\u4e00\u9636 Gm-C \u7ed3\u6784\u3002\u53bb\u6389\u524d\u9988\u7535\u5bb9\n<math display=\"inline\" xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><msub><mi>C<\/mi><mi>x<\/mi><\/msub><annotation encoding=\"application\/x-tex\">C_x<\/annotation><\/semantics><\/math>\uff08<math display=\"inline\" xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><mrow><msub><mi>C<\/mi><mi>x<\/mi><\/msub><mo>=<\/mo><mn>0<\/mn><\/mrow><annotation encoding=\"application\/x-tex\">C_x=0<\/annotation><\/semantics><\/math>\uff09\u5e76\u4ee4\n<math display=\"inline\" xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><mrow><msub><mi>C<\/mi><mi>A<\/mi><\/msub><mo>=<\/mo><mi>C<\/mi><\/mrow><annotation encoding=\"application\/x-tex\">C_A=C<\/annotation><\/semantics><\/math>\uff0c\u5373\u5f97\u5230\u672c\u6587\u8ba8\u8bba\u7684\u4f4e\u901a\u7535\u8def\uff1b<math display=\"inline\" xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><msub><mi>G<\/mi><mrow><mi>m<\/mi><mn>2<\/mn><\/mrow><\/msub><annotation encoding=\"application\/x-tex\">G_{m2}<\/annotation><\/semantics><\/math>\n\u63d0\u4f9b\u6062\u590d\u6027\u53cd\u9988\u3002<\/figcaption><\/figure>\n\n\n<p>\u4f4e\u901a\u6ee4\u6ce2\u5668\u9700\u8981\u4e00\u79cd\u963b\u6b62\u8fd9\u79cd\u7d2f\u79ef\u7684\u673a\u5236\u3002\u7b2c\u4e8c\u4e2a\u8de8\u5bfc\u5668\u68c0\u6d4b\u8f93\u51fa\uff0c\u5e76\u4ea7\u751f\u4e0e\u8f93\u5165\u7535\u6d41\u76f8\u62b5\u7684\u53cd\u9988\u7535\u6d41\u3002\u8bbe\u8f93\u5165\u8de8\u5bfc\u4e3a\n<math display=\"inline\" xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><msub><mi>G<\/mi><mrow><mi>m<\/mi><mn>1<\/mn><\/mrow><\/msub><annotation encoding=\"application\/x-tex\">G_{m1}<\/annotation><\/semantics><\/math>\u3001\u53cd\u9988\u8de8\u5bfc\u4e3a\n<math display=\"inline\" xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><msub><mi>G<\/mi><mrow><mi>m<\/mi><mn>2<\/mn><\/mrow><\/msub><annotation encoding=\"application\/x-tex\">G_{m2}<\/annotation><\/semantics><\/math>\u3001\u7535\u5bb9\u4e3a\n<math display=\"inline\" xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><mi>C<\/mi><annotation encoding=\"application\/x-tex\">C<\/annotation><\/semantics><\/math>\uff0c\u7535\u6d41\u5e73\u8861\u4e3a<\/p>\n<p><math display=\"block\" xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><mrow><mi>C<\/mi><mfrac><mrow><mi>d<\/mi><msub><mi>v<\/mi><mrow><mi>o<\/mi><mi>u<\/mi><mi>t<\/mi><\/mrow><\/msub><\/mrow><mrow><mi>d<\/mi><mi>t<\/mi><\/mrow><\/mfrac><mo>=<\/mo><msub><mi>G<\/mi><mrow><mi>m<\/mi><mn>1<\/mn><\/mrow><\/msub><msub><mi>v<\/mi><mrow><mi>i<\/mi><mi>n<\/mi><\/mrow><\/msub><mo>\u2212<\/mo><msub><mi>G<\/mi><mrow><mi>m<\/mi><mn>2<\/mn><\/mrow><\/msub><msub><mi>v<\/mi><mrow><mi>o<\/mi><mi>u<\/mi><mi>t<\/mi><\/mrow><\/msub><mi>.<\/mi><\/mrow><annotation encoding=\"application\/x-tex\">\nC\\frac{dv_{out}}{dt}=G_{m1}v_{in}-G_{m2}v_{out}.\n<\/annotation><\/semantics><\/math><\/p>\n<p>\u8f93\u5165\u9636\u8dc3\u4e4b\u540e\uff0c\u8f93\u5165\u7535\u6d41\u6700\u521d\u7ed9\u7535\u5bb9\u5145\u7535\u3002\u968f\u7740\u8f93\u51fa\u4e0a\u5347\uff0c\u53cd\u5411\u7535\u6d41\u589e\u5927\uff0c\u7559\u7ed9\u7535\u5bb9\u7684\u5145\u7535\u7535\u6d41\u51cf\u5c11\u3002\u6700\u7ec8\u4e24\u8def\u7535\u6d41\u5e73\u8861\uff0c\u8f93\u51fa\u7a33\u5b9a\u4e0b\u6765\u3002\u8d1f\u53cd\u9988\u628a\u65e0\u9650\u7684\u7d2f\u79ef\u53d8\u6210\u4e86\u53d7\u63a7\u7684\u54cd\u5e94\u3002<\/p>\n<p>\u540c\u4e00\u5e73\u8861\u5173\u7cfb\u7ed9\u51fa\u4f20\u9012\u51fd\u6570\u548c\u622a\u6b62\u9891\u7387\uff1a<\/p>\n<p><math display=\"block\" xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><mrow><mi>H<\/mi><mrow><mo stretchy=\"true\" form=\"prefix\">(<\/mo><mi>s<\/mi><mo stretchy=\"true\" form=\"postfix\">)<\/mo><\/mrow><mo>=<\/mo><mfrac><msub><mi>G<\/mi><mrow><mi>m<\/mi><mn>1<\/mn><\/mrow><\/msub><mrow><mi>s<\/mi><mi>C<\/mi><mo>+<\/mo><msub><mi>G<\/mi><mrow><mi>m<\/mi><mn>2<\/mn><\/mrow><\/msub><\/mrow><\/mfrac><mo>,<\/mo><mspace width=\"2.0em\"><\/mspace><msub><mi>f<\/mi><mi>c<\/mi><\/msub><mo>=<\/mo><mfrac><msub><mi>G<\/mi><mrow><mi>m<\/mi><mn>2<\/mn><\/mrow><\/msub><mrow><mn>2<\/mn><mi>\u03c0<\/mi><mi>C<\/mi><\/mrow><\/mfrac><mi>.<\/mi><\/mrow><annotation encoding=\"application\/x-tex\">\nH(s)=\\frac{G_{m1}}{sC+G_{m2}},\\qquad f_c=\\frac{G_{m2}}{2\\pi C}.\n<\/annotation><\/semantics><\/math><\/p>\n<p>\u8fd9\u4e9b\u8868\u8fbe\u5f0f\u628a\u589e\u76ca\u548c\u901f\u5ea6\u5206\u79bb\u5f00\u6765\u3002\u76f4\u6d41\u589e\u76ca\u662f\u4e24\u4e2a\u8de8\u5bfc\u4e4b\u6bd4\uff0c\u589e\u5927\u7535\u5bb9\u4f7f\u54cd\u5e94\u53d8\u6162\uff0c\u589e\u5927\u53cd\u9988\u8de8\u5bfc\u4f7f\u54cd\u5e94\u53d8\u5feb\uff0c\u4f46\u9664\u975e\u8f93\u5165\u8de8\u5bfc\u540c\u6bd4\u589e\u5927\uff0c\u5426\u5219\u76f4\u6d41\u589e\u76ca\u4e5f\u4f1a\u4e0b\u964d\u3002<\/p>\n<p>\u7f13\u6162\u53d8\u5316\u7684\u8f93\u5165\u4f7f\u8f93\u51fa\u59cb\u7ec8\u63a5\u8fd1\u5176\u5e73\u8861\u503c\uff1b\u66f4\u5feb\u7684\u53d8\u5316\u7ed9\u7535\u5bb9\u7684\u5145\u7535\u65f6\u95f4\u66f4\u77ed\uff0c\u8f93\u51fa\u5e45\u5ea6\u968f\u4e4b\u4e0b\u964d\u3002\u8fd9\u5c31\u662f\u4f4e\u901a\u4f5c\u7528\u3002<\/p>\n<p>\u8be5\u6a21\u578b\u5047\u8bbe\u8de8\u5bfc\u5668\u662f\u7ebf\u6027\u7684\uff0c\u4e14\u5176\u5185\u90e8\u52a8\u6001\u8fdc\u5feb\u4e8e\u6ee4\u6ce2\u5668\u54cd\u5e94\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7535\u5bb9\u5bf9\u7535\u6d41\u79ef\u5206\uff1a\u7535\u6d41\u6d41\u5165\u65f6\u95f4\u8d8a\u957f\uff0c\u7535\u538b\u53d8\u5316\u8d8a\u5927\u3002\u8de8\u5bfc\u5668\u6309\u8f93\u5165\u7535\u538b\u6bd4\u4f8b\u63d0\u4f9b\u8be5\u7535\u6d41\u3002\u4e24\u8005\u7ed3\u5408\u6784\u6210 Gm-C \u79ef\u5206\u5668\uff0c\u4f46\u6052\u5b9a\u8f93\u5165\u4f1a\u6301\u7eed\u628a\u8f93\u51fa\u63a8\u5411\u7535\u6e90\u8f68\u3002 \u4e00\u9636 Gm-C \u7ed3\u6784\u3002\u53bb\u6389\u524d\u9988\u7535\u5bb9 CxC_x\uff08Cx&#8230; <a href=\"https:\/\/ezblog.cn\/?p=517\" class=\"readmore\">Read more<span class=\"screen-reader-text\">Gm-C \u4f4e\u901a\u6ee4\u6ce2\u5668<\/span><span class=\"fa fa-angle-double-right\" aria-hidden=\"true\"><\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[12],"tags":[],"views":12,"_links":{"self":[{"href":"https:\/\/ezblog.cn\/index.php?rest_route=\/wp\/v2\/posts\/517"}],"collection":[{"href":"https:\/\/ezblog.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ezblog.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ezblog.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ezblog.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=517"}],"version-history":[{"count":2,"href":"https:\/\/ezblog.cn\/index.php?rest_route=\/wp\/v2\/posts\/517\/revisions"}],"predecessor-version":[{"id":538,"href":"https:\/\/ezblog.cn\/index.php?rest_route=\/wp\/v2\/posts\/517\/revisions\/538"}],"wp:attachment":[{"href":"https:\/\/ezblog.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=517"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ezblog.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=517"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ezblog.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=517"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}