{"id":33,"date":"2026-04-17T19:25:37","date_gmt":"2026-04-17T11:25:37","guid":{"rendered":"https:\/\/www.asuka002.com\/?p=33"},"modified":"2026-04-22T18:49:24","modified_gmt":"2026-04-22T10:49:24","slug":"%e6%a8%a1%e6%8b%9fic%e5%ad%a6%e4%b9%a0","status":"publish","type":"post","link":"https:\/\/www.asuka002.com\/index.php\/2026\/04\/17\/%e6%a8%a1%e6%8b%9fic%e5%ad%a6%e4%b9%a0\/","title":{"rendered":"\u5957\u7b52\u5f0f\u5171\u6e90\u5171\u6805"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\"><\/h2>\n\n\n<div class=\"gfmr-markdown-container\"><div class=\"gfmr-markdown-source\" style=\"display: none;\"># IC\u5b66\u4e60\u7b14\u8bb0\n\n## \u5957\u7b52\u5f0f\u5171\u6e90\u5171\u6805\u8fd0\u653e\n\n### 1.\u8bbe\u8ba1\u6307\u6807\n\n| \u8bbe\u8ba1\u6307\u6807         | \u53c2\u6570\u8981\u6c42 |\n| &#8212;&#8212;&#8212;&#8212;&#8212;- | &#8212;&#8212;&#8211; |\n| VDD              | \\(1.8\\,\\text{V}\\) |\n| \u5f00\u73af\u5dee\u6a21\u76f4\u6d41\u589e\u76ca | \\(&gt;60\\,\\text{dB}\\) |\n| \u5355\u4f4d\u589e\u76ca\u5e26\u5bbd     | \\(50\\,\\text{MHz}\\) |\n| \u8d1f\u8f7d\u7535\u5bb9         | \\(6\\,\\text{pF}\\) |\n| \u76f8\u4f4d\u88d5\u5ea6         | \\(&gt;60^\\circ\\) |\n\n### 2.\u4e3b\u7535\u8def\u5206\u6790\n\n#### 1.\u7535\u538b\u5212\u5206\n\n![image-20260413164314882](https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260413164314882.png)\n\n#### 2.\u53c2\u6570\u786e\u5b9a\n\n&#8211; \u5f00\u73af\u589e\u76ca\n\n&lt;div align=&quot;center&quot;&gt;\n\\(\\displaystyle A_V = \\frac{1}{2}(g_m r_o)^2 = 1000\\)\n&lt;\/div&gt;\n\u89e3\u5f97\uff1a\n\n&lt;div align=&quot;center&quot;&gt;\n\\(\\displaystyle g_m r_o = 44.7\\)\n&lt;\/div&gt;\n\u53d6\u672c\u5f81\u589e\u76ca\\(g_m r_o = 55\\)\u4ece\u800c\u7559\u4e00\u5b9a\u88d5\u91cf\n\n&#8211; \u5355\u4f4d\u589e\u76ca\u5e26\u5bbd\n\n\u8f93\u51fa\u8282\u70b9\u4e3a\u4e3b\u8282\u70b9\uff0c\u9891\u7387\u5927\u7ea6\u4e3a\uff1a\n\n&lt;div align=&quot;center&quot;&gt;\n\\(\\displaystyle \\omega_{p1} \\approx \\frac{1}{\\left(\\frac{g_m r_o^2}{2}\\right) C_L}\\)\n&lt;\/div&gt;\n\u5355\u4f4d\u589e\u76ca\u5e26\u5bbd\u4e3a\uff1a\n\n&lt;div align=&quot;center&quot;&gt;\n\\(\\displaystyle GBW = A_V \\cdot \\frac{{\\omega_{p1}}}{{2\\pi }} \\approx \\frac{1}{{2\\pi }}\\frac{{g_{m1,2}}}{{C_L}}\\)\n&lt;\/div&gt;\n\u6839\u636e\u8bbe\u8ba1\u6307\u6807\u7684\u5355\u4f4d\u589e\u76ca\u7684\u5e26\u5bbd\u8981\u6c42\uff0c\u89e3\u5f97\uff1a\n\n&lt;div align=&quot;center&quot;&gt;\n\\(\\displaystyle g_{m1,2} &gt; 1.88\\,\\text{mS}\\)\n&lt;\/div&gt;\n\u4e3a\u7559\u6709\u4e00\u5b9a\u88d5\u91cf\uff0c\u53d6\\(g_{m1,2} = 2.5\\,\\text{mS}\\)\u3002\u53d6\\(\\frac{{g_m}}{{I_d}} = 12.5\\)\uff0c\u5219\\(I_d = 200\\,\\mu\\text{A}\\)\n\n&#8211; gmId\u626b\u63cf\u53c2\u6570\n\n  ![image-20260413173900272](https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260413173900272.png)\n\n  &#8211; NMOS\u7ba1\u7684L\uff1a\n\n  ![image-20260413181910939](https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260413181910939.png)\n\n  \u901a\u8fc7\u56fe\u50cf\uff0c\u786e\u5b9aNMOS L\u53d6\\(0.5\\,\\mu\\text{m}\\)\u65f6\u672c\u5f81\u589e\u76ca\u4e3a61\n\n  &#8211; PMOS\u7ba1\u7684L\uff1a\n\n  ![image-20260413182009390](https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260413182009390.png)\n\n  \u901a\u8fc7\u56fe\u50cf\uff0c\u786e\u5b9aPMOS L\u53d6\\(0.4\\,\\mu\\text{m}\\)\u65f6\u672c\u5f81\u589e\u76ca\u4e3a63\n\n  &#8211; NMOS\u7ba1\u7684W\uff1a\n\n  ![image-20260413182212472](https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260413182212472.png)\n\n  &lt;div align=&quot;center&quot;&gt;\n  \\(\\displaystyle \\begin{array}{l}\n  {(\\frac{{I_d}}{W})_{\\frac{{g_m}}{{I_d}} = 12.5}} = 3.7\\\\\n  {W_n} = 54\\,\\mu\\text{m}\n  \\end{array}\\)\n  &lt;\/div&gt;\n  &#8211; PMOS\u7ba1\u7684W:\n\n  ![image-20260413182435403](https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260413182435403.png)\n\n  &lt;div align=&quot;center&quot;&gt;\n  \\(\\displaystyle \\begin{array}{l}\n  {(\\frac{{I_d}}{W})_{\\frac{{g_m}}{{I_d}} = 12.5}} = 2.2\\\\\n  {W_p} = 84\\,\\mu\\text{m}\n  \\end{array}\\)\n  &lt;\/div&gt;\n&#8211; \u7efc\u4e0a\uff0c\u786e\u5b9a\u53c2\u6570\u5982\u4e0b\uff1a\n\n| \\({L_n}\\) | \\(500\\,\\text{nm}\\) |\n| &#8212;&#8212;&#8212; | &#8212;&#8212;&#8212;- |\n| \\({W_n}\\) | \\(54\\,\\mu\\text{m}\\) |\n| \\({L_p}\\) | \\(300\\,\\text{nm}\\) |\n| \\({W_p}\\) | \\(84\\,\\mu\\text{m}\\) |\n\n#### 3.\u504f\u7f6e\u7535\u538b\u8ba1\u7b97\uff1a\n\n\u5229\u7528\\(I_d = 200\\,\\mu\\text{A}\\)\u548c\u8ba1\u7b97\u51fa\u7684\u5bbd\u957f\u6bd4\u6761\u4ef6\uff0c\u4eff\u771f\u51fa\uff1a\n\n| \\({V_{GSn}}\\) | \\(520\\,\\text{mV}\\) |\n| &#8212;&#8212;&#8212;&#8212;- | &#8212;&#8212;&#8212; |\n| \\({V_{GSp}}\\) | \\(583\\,\\text{mV}\\) |\n\n\u56e0\u6b64\u786e\u5b9a\u4e2a\u504f\u7f6e\u7535\u538b\u70b9\u4e3a\uff1a\n\n| \\({V_{B1}}\\) | \\(520\\,\\text{mV}\\) |\n| &#8212;&#8212;&#8212;&#8212; | &#8212;&#8212; |\n| \\({V_{B2}}\\) | \\(1.220\\,\\text{V}\\) |\n| \\(V_{B3}\\) | \\(917\\,\\text{mV}\\) |\n| \\(V_{B4}\\) | \\(1.217\\,\\text{V}\\) |\n\n### \u504f\u7f6e\u7535\u8def\u8bbe\u8ba1\uff1a\n\n![image-20260421193606353](https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260421193606353.png)\n\n#### 1.\\(V_{B4}\\)\n\n\\(V_{B4}\\)\u8def\u6d41\u8fc7\u7684\u7535\u6d41\u4e3a\u4e3b\u7ba1\u7684\\(\\frac{1}{4}\\)\uff0cPM15\u548cPM13\u7684\u5bbd\u957f\u6bd4\u4e5f\u8bbe\u5b9a\u4e3a\u4e3b\u7535\u8def\u5bf9\u5e94\u7ba1\u5b50\u7684\\(\\frac{1}{4}\\)\u505a\u5230\u5339\u914d\n\n#### 2.\\(V_{B3}\\)\n\nPM14\u7ba1\u7684\u5bbd\u957f\u6bd4\u8bbe\u7f6e\u4e3a\u4e3b\u7535\u8def\u76f8\u5bf9\u5e94\u7ba1\u7684\\(\\frac{1}{{20}}\\)\uff0c\u6d41\u8fc7\u7684\u7535\u6d41\u4e3a\u4e3b\u7535\u6d41\u7ba1\u7684\\(\\frac{1}{4}\\)\uff0c\u56e0\u6b64\u5176\u8fc7\u9a71\u52a8\u7535\u538b\u4e3a\uff1a\n\n&lt;div align=&quot;center&quot;&gt;\n\\(\\displaystyle V_{ov14} = \\sqrt 5 V_{ov}\\)\n&lt;\/div&gt;\n\u5728\u4e3b\u7535\u8def\u4e2d\uff0c\u7406\u60f3\u7684\u504f\u7f6e\u7535\u538b\u4e3a\uff1a\n\n&lt;div align=&quot;center&quot;&gt;\n\\(\\displaystyle \\begin{array}{l}\nV_{B4} &#8211; V_{B3} = V_{ov}\\\\\nV_{B4} = VDD &#8211; V_{GS}\\\\\nV_{B3} = VDD &#8211; V_{TH} &#8211; 2V_{OV}\n\\end{array}\\)\n&lt;\/div&gt;\n\u800c\u5728\u504f\u7f6e\u7535\u8def\u4e2d\uff1a\n\n&lt;div align=&quot;center&quot;&gt;\n\\(\\displaystyle V_{B3} = VDD &#8211; V_{TH} &#8211; \\sqrt 5 V_{OV}\\)\n&lt;\/div&gt;\n\u4e00\u65b9\u9762\u7ed9\u4e3b\u7535\u8def\u63d0\u4f9b\\(V_{B3}\\)\u504f\u7f6e\uff0c\u4e00\u65b9\u9762\u7ed9\u65c1\u8fb9\u7684\u7535\u8defPM13\u63d0\u4f9b\u7a33\u5b9a\u504f\u538b\n\n#### \\({V_{B1}}\\)\n\n\u9996\u5148\u5229\u7528\u6700\u53f3\u4fa7\u4e00\u8def\u4ea7\u751f\u7ea6\\(900\\,\\text{mV}\\)\u7684\u504f\u7f6e\u7535\u538b\uff0c\u4f5c\u4e3a\u76ee\u6807\u8f93\u5165\u4fe1\u53f7\u7684\u5171\u6a21\u7535\u538b\u3002\u4ea7\u751f\\(900\\,\\text{mV}\\)\u7684\u539f\u56e0\u662f\u5047\u5b9a\u76ee\u6807\u8f93\u5165\u4fe1\u53f7\u7684\u5171\u6a21\u7535\u538b\u662f\\(900\\,\\text{mV}\\)\uff0c\u5728\u8fd9\u91cc\u6a21\u62df\u51fa\u76f8\u7b49\u7684\u7535\u5e73\u4ece\u800c\u5728\u5de6\u8fb9VB1\u4ea7\u751f\u7535\u8def\u505a\u5230\u5339\u914d\u3002\u53f3\u4fa7\u7535\u8def\u7ed3\u6784\u4e3aself-cascode\u7ed3\u6784\uff1a\n\n![image-20260422161903127](https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260422161903127.png)\n\n![image-20260422161926279](https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260422161926279.png)\n\n\u76f8\u5bf9\u4e8e\u5355\u4e2a\u5355\u7ba1\u4ea7\u751f\u6b64\u504f\u7f6e\u7535\u538b\uff0c\u6b64\u79cd\u7ed3\u6784\u80fd\u505a\u5230\u4e0e\u5957\u7b52\u7535\u8def\u7ed3\u6784\u4e0a\u7684\u66f4\u5339\u914d\u3002\n\n\u968f\u540e\u5c06\u6b64\u7535\u538b\u8f93\u5165\u7ed9\u8fd9\u4e00\u8defNM8\u7684\u6805\u6781\u3002\u5728\u504f\u7f6e\u7535\u8def\u4e2d\u3002NM8\u4e0a\u65b9\u7684NMOS\u7ba1\u6805\u6781\u7535\u538b\u6b63\u662f\u5957\u7b52\u7535\u8def\u8f93\u5165\u7ba1NM0\u7684\u76f4\u6d41\u7535\u538b\uff0c\u4ece\u800c\u505a\u5230\u504f\u7f6e\u7535\u8def\u4e0e\u5957\u7b52\u7535\u8def\u7684\u5339\u914d\u3002NMOS\u7ba1\u5bbd\u957f\u6bd4\u4f9d\u65e7\u6309\u7535\u6d41\u6bd4\u4f8b\u5173\u7cfb\uff0c\u53d6\u5957\u7b52\u7535\u8def\u7684\\(\\frac{1}{4}\\)\n\n![image-20260421194131529](https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260421194131529.png)\n\n#### \\({V_{B2}}\\)\n\n\u6b64\u7535\u538b\u901a\u8fc7\u52a8\u6001\u504f\u7f6e\u4ea7\u751f\u3002\u52a0\u5165\u65b0\u5e95\u7ba1\uff0c\u786e\u5b9a\u5176\u7535\u6d41\u4e3a\\(25\\,\\mu\\text{A}\\)\uff0c\u5bbd\u5ea6\u6839\u636e\u6bd4\u4f8b\u8bbe\u7f6e\u3002\n\n\u4e0a\u65b9\u7684PMOS\u7ba1\u6d41\u8fc7\u7535\u6d41\u4e3a\u4e3b\u7535\u6d41\u7684\\(\\frac{1}{8}\\)\uff0c\u5bbd\u957f\u6bd4\u8bbe\u7f6e\u4e3a\u4e3b\u7535\u6d41\u5bf9\u5e94\u7ba1\u5b50\u7684\\(\\frac{1}{{16}}\\)\uff0c\u56e0\u6b64\u76f8\u4f3c\u7684\u4ea7\u751f\\(\\sqrt 5 V_{ov}\\)\u6765\u6a21\u62df\u4e3b\u7535\u8def\u73af\u5883\u3002\n\n\u4e0b\u65b9NMOS\u540c\u6837\u91c7\u7528self-cascode\u7ed3\u6784\uff0c\u8c03\u6574\u5176\u5bbd\u957f\u6bd4\u4f7f\u4ea7\u751f\u60f3\u8981\u7684\u504f\u7f6e\u7535\u5e73\u3002\n\n### \u5171\u6a21\u53cd\u9988\u7535\u8def\n\n![image-20260413190420586](https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260413190420586.png)\n\n![img](https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/v2-561730c22fa454ebcca35215b5f47b0a_1440w.jpg)\n\n&#8211; \u4e3b\u6781\u70b9\uff1a\n\n  &lt;div align=&quot;center&quot;&gt;\n  \\(\\displaystyle \\begin{array}{l}\n  {T_{CM}} \\approx {g_{M7,8B}}({g_{m5,6}}\\frac{{r_o}}{2}\\frac{{{r_{o7,8}}}}{2})\\frac{{{g_{mx}}}}{{2g_{my}}}\\\\\n  {g_{M7,8B}} = {g_{M7B}} + {g_{M8B}} = g_m\\\\\n  {g_{m5,6}} = {g_{m5}} + {g_{m6}} = 2g_m\n  \\end{array}\\)\n  &lt;\/div&gt;\n  &#8211; \u89e3\u6790\uff1a\u6211\u4eec\u8bbe\u8ba1\\({M7,8B}\\)\u7ba1\u90fd\u662f\u539f\u6765\\({M7,8}\\)\u5bbd\u957f\u6bd4\u7684\u4e00\u534a\uff0c\u4ee5\u5171\u6a21\u53cd\u9988\u80fd\u529b\u51cf\u5f31\u4e3a\u4ee3\u4ef7\u6765\u51cf\u5c11\u6805\u6781\u7535\u5bb9\u4ece\u800c\u8ba9\u6b21\u7ea7\u70b9\u5411\u9ad8\u9891\u6bb5\u63a8\u3002\u6b64\u589e\u76ca\u7684\u524d\u534a\u90e8\u5206\u4e3a\uff1a\n\n  &lt;div align=&quot;center&quot;&gt;\n  \\(\\displaystyle {T_{CM1}} \\approx g_m(2g_m\\frac{{r_o}}{2}\\frac{{r_o}}{2}) = \\frac{{g_mr_o^2}}{2}\\)\n  &lt;\/div&gt;\n  \u6b64\u589e\u76ca\u5373\u4e3a\u5957\u7b52\u5f0f\u8fd0\u653e\u672c\u4f53\u7684\u5dee\u5206\u589e\u76ca\u3002\u540e\u534a\u90e8\u5206\u4e3a\u8bef\u5dee\u7535\u8def\u7684\u589e\u76ca\uff0c\u5206\u6790\u5982\u4e0b\uff1a\n\n  ![image-20260420202021839](https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260420202021839.png)\n\n  \u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u6b64\u7535\u8def\u662f\u4e00\u4e2a\u4e00\u7aef\u6052\u5b9a\u8f93\u5165\u7684\uff0c\u4ee5\u4e8c\u6781\u7ba1\u8fde\u63a5\u7684MOS\u7ba1\u4e3a\u8d1f\u8f7d\u7684\u5dee\u5206\u7535\u8def\uff0c\u56e0\u6b64\u589e\u76ca\u4e3a\u4e24\u4e2a\u8de8\u5bfc\u76f8\u9664\u8fd8\u8981\u9664\u4ee52\u3002\n\n\u5171\u6a21\u73af\u8def\u7684\u4e3b\u6781\u70b9\u5728\\(V_{oc}\\)\u5904\uff0c\u4e3b\u6781\u70b9\u7684\u9891\u7387\u503c\u8ba1\u7b97\u53ef\u5f97\uff1a\n\n&lt;div align=&quot;center&quot;&gt;\n\\(\\displaystyle \\omega_{p1,CM} \\approx \\frac{1}{\\left(\\frac{g_m r_o^2}{2}\\right) C_L}\\)\n&lt;\/div&gt;\n\u56e0\u6b64\u5171\u6a21\u56de\u8def\u7684\u5355\u4f4d\u589e\u76ca\u9891\u7387\u4e3a:\n\n&lt;div align=&quot;center&quot;&gt;\n\\(\\displaystyle \\omega_{u,CM} = \\frac{1}{2}\\frac{{g_m}}{{C_L}}\\)\n&lt;\/div&gt;\n\u4ee3\u5165\u524d\u8ff0\u7684\u8bbe\u8ba1\u503c\uff08\\(g_m = 2.5\\,\\text{mS},C_L = 6\\,\\text{pF}\\)\uff09\uff0c\u8ba1\u7b97\u5f97\uff1a\n\n&lt;div align=&quot;center&quot;&gt;\n\\(\\displaystyle \\omega_{u,CM} \\approx 208\\,\\text{MHz}\\)\n&lt;\/div&gt;\n&#8211; \u6b21\u7ea7\u70b9\uff1a\n\n&lt;div align=&quot;center&quot;&gt;\n\\(\\displaystyle \\omega_{p2,CM} \\approx \\frac{{g_{my}}}{{C_{gg7,8B}}}\\)\n&lt;\/div&gt;\n\u5176\u4e2d\uff1a\n\n&lt;div align=&quot;center&quot;&gt;\n\\(\\displaystyle C_{gg7,8B} = C_{gg7B} + C_{gg8B}\\)\n&lt;\/div&gt;\n\u6b64\u6b21\u7ea7\u70b9\u51fa\u73b0\u5728\\({M7,8B}\\)\u7684\u6805\u6781\u5904\u3002\n\n\u4e3a\u4e86\u8ba9\u73af\u8def\u7a33\u5b9a\uff0c\u6211\u4eec\u9700\u8981\u4ee4\uff1a\n\n&lt;div align=&quot;center&quot;&gt;\n\\(\\displaystyle \\omega_{p2,CM} &gt; 2.2\\omega_{u}\\)\n&lt;\/div&gt;\n\u7ecf\u8fc7\u4eff\u771f\u5f97\u5230\n\n&lt;div align=&quot;center&quot;&gt;\n\\(\\displaystyle C_{gg7,8B} = C_{gg7B} + C_{gg8B} = 214\\,\\text{fF}\\)\n&lt;\/div&gt;\n\u5f97\u5230\uff1a\n\n&lt;div align=&quot;center&quot;&gt;\n\\(\\displaystyle \\begin{array}{l}\ng_{my} = 100\\,\\mu\\text{S}\\\\\nI_d = 8\\,\\mu\\text{A}\n\\end{array}\\)\n&lt;\/div&gt;\n\u7136\u540e\u6839\u636e\u7535\u6d41\u786e\u5b9a\u5404\u4e2a\u5143\u4ef6\u5bbd\u957f\u6bd4\n\n#### \u603b\u4f53\u7535\u8def\u56fe\n\n![image-20260413191816092](https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260413191816092.png)\n\n### 3.\u4eff\u771f\n\n#### 1.\u5171\u6a21\u8f93\u51fa\u8303\u56f4\uff08\u8f93\u5165\u5c0f\u4fe1\u53f7\u5171\u6a21\u7535\u538b\u4e3a\\(900\\,\\text{mV}\\)\u65f6\uff09\n\n![image-20260413191705944](https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260413191705944.png)\n\n#### \u8f93\u5165\u5171\u6a21\u7535\u538b\u8303\u56f4\uff1a\n\n![image-20260413191736938](https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260413191736938.png)\n\n#### \u5dee\u6a21\u589e\u76ca\u4e0e\u76f8\u4f4d\u88d5\u5ea6\n\n![image-20260413192206090](https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260413192206090.png)\n\n#### \u5dee\u6a21\u73af\u8def\u7a33\u5b9a\u6027\uff1a\n\n![image-20260413192336591](https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260413192336591.png)\n\n![image-20260413192317781](https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260413192317781.png)\n\n#### \u5171\u6a21\u73af\u8def\u7a33\u5b9a\u6027\uff1a\n\n&#8211; \u9519\u8bef\u65b9\u6cd5\uff1a\u5728VCTRL\u7aef\u65ad\u5f00\uff0c\u4eff\u771f\u4e0e\u5b9e\u9645\u4e25\u91cd\u4e0d\u7b26\u3002\n\n![image-20260420173107056](https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260420173107056.png)\n\n![image-20260420173210407](https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260420173210407.png)\n\n&#8211; \u6b63\u786e\u65b9\u6cd5\uff1a\n\n![image-20260420195309153](https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260420195309153.png)\n\n![image-20260420195107714](https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260420195107714.png)\n\n\u5728\u56fe\u4e0a\u53ef\u4ee5\u770b\u5230\u5171\u6a21\u73af\u8def\u7684\u76f4\u6d41\u589e\u76ca\u4e3a\\(60\\,\\text{dB}\\)\uff0c\u76f8\u4f4d\u88d5\u5ea6\\(70\\,\\text{dB}\\)\u3002\u800c\u5dee\u6a21\u76f4\u6d41\u589e\u76ca\u5982\u4e0b\u56fe\u6240\u793a\u4e3a\\(66\\,\\text{dB}\\)\u5de6\u53f3\uff1a\n\n![image-20260420195721460](https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260420195721460.png)\n\n\u6240\u5dee\u7684\\(6\\,\\text{dB}\\)\u521a\u597d\u5c31\u662f\uff1a\n\n&lt;div align=&quot;center&quot;&gt;\n\\(\\displaystyle \\frac{{{g_{mx}}}}{{2g_{my}}}\\)\n&lt;\/div&gt;\n\n#### \u8f93\u5165\u5931\u8c03\u7535\u538b\uff1a\n\n![image-20260420173308915](https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260420173308915.png)\n\n![image-20260420173356196](https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260420173356196.png)\n\n\u5728\u7406\u60f3\u60c5\u51b5\u4e0b\uff0c\u8f93\u5165\u5931\u8c03\u7535\u538b\u5f88\u5c0f\u3002\n<\/div><div class=\"gfmr-markdown-rendered\" data-mermaid-bg-color=\"transparent\" data-shiki-theme=\"github-light\"><h1>IC\u5b66\u4e60\u7b14\u8bb0<\/h1>\n<h2>\u5957\u7b52\u5f0f\u5171\u6e90\u5171\u6805\u8fd0\u653e<\/h2>\n<h3>1.\u8bbe\u8ba1\u6307\u6807<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u8bbe\u8ba1\u6307\u6807<\/th>\n<th>\u53c2\u6570\u8981\u6c42<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>VDD<\/td>\n<td>\\(1.8,\\text{V}\\)<\/td>\n<\/tr>\n<tr>\n<td>\u5f00\u73af\u5dee\u6a21\u76f4\u6d41\u589e\u76ca<\/td>\n<td>\\(&gt;60,\\text{dB}\\)<\/td>\n<\/tr>\n<tr>\n<td>\u5355\u4f4d\u589e\u76ca\u5e26\u5bbd<\/td>\n<td>\\(50,\\text{MHz}\\)<\/td>\n<\/tr>\n<tr>\n<td>\u8d1f\u8f7d\u7535\u5bb9<\/td>\n<td>\\(6,\\text{pF}\\)<\/td>\n<\/tr>\n<tr>\n<td>\u76f8\u4f4d\u88d5\u5ea6<\/td>\n<td>\\(&gt;60^\\circ\\)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>2.\u4e3b\u7535\u8def\u5206\u6790<\/h3>\n<h4>1.\u7535\u538b\u5212\u5206<\/h4>\n<p><img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260413164314882.png\" alt=\"image-20260413164314882\"><\/p>\n<h4>2.\u53c2\u6570\u786e\u5b9a<\/h4>\n<ul>\n<li>\u5f00\u73af\u589e\u76ca<\/li>\n<\/ul>\n<div align=\"center\">\n\\(\\displaystyle A_V = \\frac{1}{2}(g_m r_o)^2 = 1000\\)\n<\/div>\n\u89e3\u5f97\uff1a\n<div align=\"center\">\n\\(\\displaystyle g_m r_o = 44.7\\)\n<\/div>\n\u53d6\u672c\u5f81\u589e\u76ca\\(g_m r_o = 55\\)\u4ece\u800c\u7559\u4e00\u5b9a\u88d5\u91cf\n<ul>\n<li>\u5355\u4f4d\u589e\u76ca\u5e26\u5bbd<\/li>\n<\/ul>\n<p>\u8f93\u51fa\u8282\u70b9\u4e3a\u4e3b\u8282\u70b9\uff0c\u9891\u7387\u5927\u7ea6\u4e3a\uff1a<\/p>\n<div align=\"center\">\n\\(\\displaystyle \\omega_{p1} \\approx \\frac{1}{\\left(\\frac{g_m r_o^2}{2}\\right) C_L}\\)\n<\/div>\n\u5355\u4f4d\u589e\u76ca\u5e26\u5bbd\u4e3a\uff1a\n<div align=\"center\">\n\\(\\displaystyle GBW = A_V \\cdot \\frac{{\\omega_{p1}}}{{2\\pi }} \\approx \\frac{1}{{2\\pi }}\\frac{{g_{m1,2}}}{{C_L}}\\)\n<\/div>\n\u6839\u636e\u8bbe\u8ba1\u6307\u6807\u7684\u5355\u4f4d\u589e\u76ca\u7684\u5e26\u5bbd\u8981\u6c42\uff0c\u89e3\u5f97\uff1a\n<div align=\"center\">\n\\(\\displaystyle g_{m1,2} &gt; 1.88\\,\\text{mS}\\)\n<\/div>\n\u4e3a\u7559\u6709\u4e00\u5b9a\u88d5\u91cf\uff0c\u53d6\\(g_{m1,2} = 2.5\\,\\text{mS}\\)\u3002\u53d6\\(\\frac{{g_m}}{{I_d}} = 12.5\\)\uff0c\u5219\\(I_d = 200\\,\\mu\\text{A}\\)\n<ul>\n<li>\n<p>gmId\u626b\u63cf\u53c2\u6570<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260413173900272.png\" alt=\"image-20260413173900272\"><\/p>\n<ul>\n<li>NMOS\u7ba1\u7684L\uff1a<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260413181910939.png\" alt=\"image-20260413181910939\"><\/p>\n<p>\u901a\u8fc7\u56fe\u50cf\uff0c\u786e\u5b9aNMOS L\u53d6\\(0.5,\\mu\\text{m}\\)\u65f6\u672c\u5f81\u589e\u76ca\u4e3a61<\/p>\n<ul>\n<li>PMOS\u7ba1\u7684L\uff1a<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260413182009390.png\" alt=\"image-20260413182009390\"><\/p>\n<p>\u901a\u8fc7\u56fe\u50cf\uff0c\u786e\u5b9aPMOS L\u53d6\\(0.4,\\mu\\text{m}\\)\u65f6\u672c\u5f81\u589e\u76ca\u4e3a63<\/p>\n<ul>\n<li>NMOS\u7ba1\u7684W\uff1a<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260413182212472.png\" alt=\"image-20260413182212472\"><\/p>\n<div align=\"center\">\n\\(\\displaystyle \\begin{array}{l}\n{(\\frac{{I_d}}{W})_{\\frac{{g_m}}{{I_d}} = 12.5}} = 3.7\\\\\n{W_n} = 54\\,\\mu\\text{m}\n\\end{array}\\)\n<\/div>\n&#8211; PMOS\u7ba1\u7684W:\n<p><img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260413182435403.png\" alt=\"image-20260413182435403\"><\/p>\n<div align=\"center\">\n\\(\\displaystyle \\begin{array}{l}\n{(\\frac{{I_d}}{W})_{\\frac{{g_m}}{{I_d}} = 12.5}} = 2.2\\\\\n{W_p} = 84\\,\\mu\\text{m}\n\\end{array}\\)\n<\/div>\n<\/li>\n<li>\n<p>\u7efc\u4e0a\uff0c\u786e\u5b9a\u53c2\u6570\u5982\u4e0b\uff1a<\/p>\n<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>\\({L_n}\\)<\/th>\n<th>\\(500,\\text{nm}\\)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\\({W_n}\\)<\/td>\n<td>\\(54,\\mu\\text{m}\\)<\/td>\n<\/tr>\n<tr>\n<td>\\({L_p}\\)<\/td>\n<td>\\(300,\\text{nm}\\)<\/td>\n<\/tr>\n<tr>\n<td>\\({W_p}\\)<\/td>\n<td>\\(84,\\mu\\text{m}\\)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>3.\u504f\u7f6e\u7535\u538b\u8ba1\u7b97\uff1a<\/h4>\n<p>\u5229\u7528\\(I_d = 200,\\mu\\text{A}\\)\u548c\u8ba1\u7b97\u51fa\u7684\u5bbd\u957f\u6bd4\u6761\u4ef6\uff0c\u4eff\u771f\u51fa\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\\({V_{GSn}}\\)<\/th>\n<th>\\(520,\\text{mV}\\)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\\({V_{GSp}}\\)<\/td>\n<td>\\(583,\\text{mV}\\)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u56e0\u6b64\u786e\u5b9a\u4e2a\u504f\u7f6e\u7535\u538b\u70b9\u4e3a\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\\({V_{B1}}\\)<\/th>\n<th>\\(520,\\text{mV}\\)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\\({V_{B2}}\\)<\/td>\n<td>\\(1.220,\\text{V}\\)<\/td>\n<\/tr>\n<tr>\n<td>\\(V_{B3}\\)<\/td>\n<td>\\(917,\\text{mV}\\)<\/td>\n<\/tr>\n<tr>\n<td>\\(V_{B4}\\)<\/td>\n<td>\\(1.217,\\text{V}\\)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u504f\u7f6e\u7535\u8def\u8bbe\u8ba1\uff1a<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260421193606353.png\" alt=\"image-20260421193606353\"><\/p>\n<h4>1.\\(V_{B4}\\)<\/h4>\n<p>\\(V_{B4}\\)\u8def\u6d41\u8fc7\u7684\u7535\u6d41\u4e3a\u4e3b\u7ba1\u7684\\(\\frac{1}{4}\\)\uff0cPM15\u548cPM13\u7684\u5bbd\u957f\u6bd4\u4e5f\u8bbe\u5b9a\u4e3a\u4e3b\u7535\u8def\u5bf9\u5e94\u7ba1\u5b50\u7684\\(\\frac{1}{4}\\)\u505a\u5230\u5339\u914d<\/p>\n<h4>2.\\(V_{B3}\\)<\/h4>\n<p>PM14\u7ba1\u7684\u5bbd\u957f\u6bd4\u8bbe\u7f6e\u4e3a\u4e3b\u7535\u8def\u76f8\u5bf9\u5e94\u7ba1\u7684\\(\\frac{1}{{20}}\\)\uff0c\u6d41\u8fc7\u7684\u7535\u6d41\u4e3a\u4e3b\u7535\u6d41\u7ba1\u7684\\(\\frac{1}{4}\\)\uff0c\u56e0\u6b64\u5176\u8fc7\u9a71\u52a8\u7535\u538b\u4e3a\uff1a<\/p>\n<div align=\"center\">\n\\(\\displaystyle V_{ov14} = \\sqrt 5 V_{ov}\\)\n<\/div>\n\u5728\u4e3b\u7535\u8def\u4e2d\uff0c\u7406\u60f3\u7684\u504f\u7f6e\u7535\u538b\u4e3a\uff1a\n<div align=\"center\">\n\\(\\displaystyle \\begin{array}{l}\nV_{B4} &#8211; V_{B3} = V_{ov}\\\\\nV_{B4} = VDD &#8211; V_{GS}\\\\\nV_{B3} = VDD &#8211; V_{TH} &#8211; 2V_{OV}\n\\end{array}\\)\n<\/div>\n\u800c\u5728\u504f\u7f6e\u7535\u8def\u4e2d\uff1a\n<div align=\"center\">\n\\(\\displaystyle V_{B3} = VDD &#8211; V_{TH} &#8211; \\sqrt 5 V_{OV}\\)\n<\/div>\n\u4e00\u65b9\u9762\u7ed9\u4e3b\u7535\u8def\u63d0\u4f9b\\(V_{B3}\\)\u504f\u7f6e\uff0c\u4e00\u65b9\u9762\u7ed9\u65c1\u8fb9\u7684\u7535\u8defPM13\u63d0\u4f9b\u7a33\u5b9a\u504f\u538b\n<h4>\\({V_{B1}}\\)<\/h4>\n<p>\u9996\u5148\u5229\u7528\u6700\u53f3\u4fa7\u4e00\u8def\u4ea7\u751f\u7ea6\\(900,\\text{mV}\\)\u7684\u504f\u7f6e\u7535\u538b\uff0c\u4f5c\u4e3a\u76ee\u6807\u8f93\u5165\u4fe1\u53f7\u7684\u5171\u6a21\u7535\u538b\u3002\u4ea7\u751f\\(900,\\text{mV}\\)\u7684\u539f\u56e0\u662f\u5047\u5b9a\u76ee\u6807\u8f93\u5165\u4fe1\u53f7\u7684\u5171\u6a21\u7535\u538b\u662f\\(900,\\text{mV}\\)\uff0c\u5728\u8fd9\u91cc\u6a21\u62df\u51fa\u76f8\u7b49\u7684\u7535\u5e73\u4ece\u800c\u5728\u5de6\u8fb9VB1\u4ea7\u751f\u7535\u8def\u505a\u5230\u5339\u914d\u3002\u53f3\u4fa7\u7535\u8def\u7ed3\u6784\u4e3aself-cascode\u7ed3\u6784\uff1a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260422161903127.png\" alt=\"image-20260422161903127\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260422161926279.png\" alt=\"image-20260422161926279\"><\/p>\n<p>\u76f8\u5bf9\u4e8e\u5355\u4e2a\u5355\u7ba1\u4ea7\u751f\u6b64\u504f\u7f6e\u7535\u538b\uff0c\u6b64\u79cd\u7ed3\u6784\u80fd\u505a\u5230\u4e0e\u5957\u7b52\u7535\u8def\u7ed3\u6784\u4e0a\u7684\u66f4\u5339\u914d\u3002<\/p>\n<p>\u968f\u540e\u5c06\u6b64\u7535\u538b\u8f93\u5165\u7ed9\u8fd9\u4e00\u8defNM8\u7684\u6805\u6781\u3002\u5728\u504f\u7f6e\u7535\u8def\u4e2d\u3002NM8\u4e0a\u65b9\u7684NMOS\u7ba1\u6805\u6781\u7535\u538b\u6b63\u662f\u5957\u7b52\u7535\u8def\u8f93\u5165\u7ba1NM0\u7684\u76f4\u6d41\u7535\u538b\uff0c\u4ece\u800c\u505a\u5230\u504f\u7f6e\u7535\u8def\u4e0e\u5957\u7b52\u7535\u8def\u7684\u5339\u914d\u3002NMOS\u7ba1\u5bbd\u957f\u6bd4\u4f9d\u65e7\u6309\u7535\u6d41\u6bd4\u4f8b\u5173\u7cfb\uff0c\u53d6\u5957\u7b52\u7535\u8def\u7684\\(\\frac{1}{4}\\)<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260421194131529.png\" alt=\"image-20260421194131529\"><\/p>\n<h4>\\({V_{B2}}\\)<\/h4>\n<p>\u6b64\u7535\u538b\u901a\u8fc7\u52a8\u6001\u504f\u7f6e\u4ea7\u751f\u3002\u52a0\u5165\u65b0\u5e95\u7ba1\uff0c\u786e\u5b9a\u5176\u7535\u6d41\u4e3a\\(25,\\mu\\text{A}\\)\uff0c\u5bbd\u5ea6\u6839\u636e\u6bd4\u4f8b\u8bbe\u7f6e\u3002<\/p>\n<p>\u4e0a\u65b9\u7684PMOS\u7ba1\u6d41\u8fc7\u7535\u6d41\u4e3a\u4e3b\u7535\u6d41\u7684\\(\\frac{1}{8}\\)\uff0c\u5bbd\u957f\u6bd4\u8bbe\u7f6e\u4e3a\u4e3b\u7535\u6d41\u5bf9\u5e94\u7ba1\u5b50\u7684\\(\\frac{1}{{16}}\\)\uff0c\u56e0\u6b64\u76f8\u4f3c\u7684\u4ea7\u751f\\(\\sqrt 5 V_{ov}\\)\u6765\u6a21\u62df\u4e3b\u7535\u8def\u73af\u5883\u3002<\/p>\n<p>\u4e0b\u65b9NMOS\u540c\u6837\u91c7\u7528self-cascode\u7ed3\u6784\uff0c\u8c03\u6574\u5176\u5bbd\u957f\u6bd4\u4f7f\u4ea7\u751f\u60f3\u8981\u7684\u504f\u7f6e\u7535\u5e73\u3002<\/p>\n<h3>\u5171\u6a21\u53cd\u9988\u7535\u8def<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260413190420586.png\" alt=\"image-20260413190420586\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/v2-561730c22fa454ebcca35215b5f47b0a_1440w.jpg\" alt=\"img\"><\/p>\n<ul>\n<li>\n<p>\u4e3b\u6781\u70b9\uff1a<\/p>\n<div align=\"center\">\n\\(\\displaystyle \\begin{array}{l}\n{T_{CM}} \\approx {g_{M7,8B}}({g_{m5,6}}\\frac{{r_o}}{2}\\frac{{{r_{o7,8}}}}{2})\\frac{{{g_{mx}}}}{{2g_{my}}}\\\\\n{g_{M7,8B}} = {g_{M7B}} + {g_{M8B}} = g_m\\\\\n{g_{m5,6}} = {g_{m5}} + {g_{m6}} = 2g_m\n\\end{array}\\)\n<\/div>\n&#8211; \u89e3\u6790\uff1a\u6211\u4eec\u8bbe\u8ba1\\({M7,8B}\\)\u7ba1\u90fd\u662f\u539f\u6765\\({M7,8}\\)\u5bbd\u957f\u6bd4\u7684\u4e00\u534a\uff0c\u4ee5\u5171\u6a21\u53cd\u9988\u80fd\u529b\u51cf\u5f31\u4e3a\u4ee3\u4ef7\u6765\u51cf\u5c11\u6805\u6781\u7535\u5bb9\u4ece\u800c\u8ba9\u6b21\u7ea7\u70b9\u5411\u9ad8\u9891\u6bb5\u63a8\u3002\u6b64\u589e\u76ca\u7684\u524d\u534a\u90e8\u5206\u4e3a\uff1a\n<div align=\"center\">\n\\(\\displaystyle {T_{CM1}} \\approx g_m(2g_m\\frac{{r_o}}{2}\\frac{{r_o}}{2}) = \\frac{{g_mr_o^2}}{2}\\)\n<\/div>\n\u6b64\u589e\u76ca\u5373\u4e3a\u5957\u7b52\u5f0f\u8fd0\u653e\u672c\u4f53\u7684\u5dee\u5206\u589e\u76ca\u3002\u540e\u534a\u90e8\u5206\u4e3a\u8bef\u5dee\u7535\u8def\u7684\u589e\u76ca\uff0c\u5206\u6790\u5982\u4e0b\uff1a\n<p><img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260420202021839.png\" alt=\"image-20260420202021839\"><\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u6b64\u7535\u8def\u662f\u4e00\u4e2a\u4e00\u7aef\u6052\u5b9a\u8f93\u5165\u7684\uff0c\u4ee5\u4e8c\u6781\u7ba1\u8fde\u63a5\u7684MOS\u7ba1\u4e3a\u8d1f\u8f7d\u7684\u5dee\u5206\u7535\u8def\uff0c\u56e0\u6b64\u589e\u76ca\u4e3a\u4e24\u4e2a\u8de8\u5bfc\u76f8\u9664\u8fd8\u8981\u9664\u4ee52\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u5171\u6a21\u73af\u8def\u7684\u4e3b\u6781\u70b9\u5728\\(V_{oc}\\)\u5904\uff0c\u4e3b\u6781\u70b9\u7684\u9891\u7387\u503c\u8ba1\u7b97\u53ef\u5f97\uff1a<\/p>\n<div align=\"center\">\n\\(\\displaystyle \\omega_{p1,CM} \\approx \\frac{1}{\\left(\\frac{g_m r_o^2}{2}\\right) C_L}\\)\n<\/div>\n\u56e0\u6b64\u5171\u6a21\u56de\u8def\u7684\u5355\u4f4d\u589e\u76ca\u9891\u7387\u4e3a:\n<div align=\"center\">\n\\(\\displaystyle \\omega_{u,CM} = \\frac{1}{2}\\frac{{g_m}}{{C_L}}\\)\n<\/div>\n\u4ee3\u5165\u524d\u8ff0\u7684\u8bbe\u8ba1\u503c\uff08\\(g_m = 2.5\\,\\text{mS},C_L = 6\\,\\text{pF}\\)\uff09\uff0c\u8ba1\u7b97\u5f97\uff1a\n<div align=\"center\">\n\\(\\displaystyle \\omega_{u,CM} \\approx 208\\,\\text{MHz}\\)\n<\/div>\n&#8211; \u6b21\u7ea7\u70b9\uff1a\n<div align=\"center\">\n\\(\\displaystyle \\omega_{p2,CM} \\approx \\frac{{g_{my}}}{{C_{gg7,8B}}}\\)\n<\/div>\n\u5176\u4e2d\uff1a\n<div align=\"center\">\n\\(\\displaystyle C_{gg7,8B} = C_{gg7B} + C_{gg8B}\\)\n<\/div>\n\u6b64\u6b21\u7ea7\u70b9\u51fa\u73b0\u5728\\({M7,8B}\\)\u7684\u6805\u6781\u5904\u3002\n<p>\u4e3a\u4e86\u8ba9\u73af\u8def\u7a33\u5b9a\uff0c\u6211\u4eec\u9700\u8981\u4ee4\uff1a<\/p>\n<div align=\"center\">\n\\(\\displaystyle \\omega_{p2,CM} &gt; 2.2\\omega_{u}\\)\n<\/div>\n\u7ecf\u8fc7\u4eff\u771f\u5f97\u5230\n<div align=\"center\">\n\\(\\displaystyle C_{gg7,8B} = C_{gg7B} + C_{gg8B} = 214\\,\\text{fF}\\)\n<\/div>\n\u5f97\u5230\uff1a\n<div align=\"center\">\n\\(\\displaystyle \\begin{array}{l}\ng_{my} = 100\\,\\mu\\text{S}\\\\\nI_d = 8\\,\\mu\\text{A}\n\\end{array}\\)\n<\/div>\n\u7136\u540e\u6839\u636e\u7535\u6d41\u786e\u5b9a\u5404\u4e2a\u5143\u4ef6\u5bbd\u957f\u6bd4\n<h4>\u603b\u4f53\u7535\u8def\u56fe<\/h4>\n<p><img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260413191816092.png\" alt=\"image-20260413191816092\"><\/p>\n<h3>3.\u4eff\u771f<\/h3>\n<h4>1.\u5171\u6a21\u8f93\u51fa\u8303\u56f4\uff08\u8f93\u5165\u5c0f\u4fe1\u53f7\u5171\u6a21\u7535\u538b\u4e3a\\(900,\\text{mV}\\)\u65f6\uff09<\/h4>\n<p><img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260413191705944.png\" alt=\"image-20260413191705944\"><\/p>\n<h4>\u8f93\u5165\u5171\u6a21\u7535\u538b\u8303\u56f4\uff1a<\/h4>\n<p><img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260413191736938.png\" alt=\"image-20260413191736938\"><\/p>\n<h4>\u5dee\u6a21\u589e\u76ca\u4e0e\u76f8\u4f4d\u88d5\u5ea6<\/h4>\n<p><img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260413192206090.png\" alt=\"image-20260413192206090\"><\/p>\n<h4>\u5dee\u6a21\u73af\u8def\u7a33\u5b9a\u6027\uff1a<\/h4>\n<p><img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260413192336591.png\" alt=\"image-20260413192336591\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260413192317781.png\" alt=\"image-20260413192317781\"><\/p>\n<h4>\u5171\u6a21\u73af\u8def\u7a33\u5b9a\u6027\uff1a<\/h4>\n<ul>\n<li>\u9519\u8bef\u65b9\u6cd5\uff1a\u5728VCTRL\u7aef\u65ad\u5f00\uff0c\u4eff\u771f\u4e0e\u5b9e\u9645\u4e25\u91cd\u4e0d\u7b26\u3002<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260420173107056.png\" alt=\"image-20260420173107056\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260420173210407.png\" alt=\"image-20260420173210407\"><\/p>\n<ul>\n<li>\u6b63\u786e\u65b9\u6cd5\uff1a<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260420195309153.png\" alt=\"image-20260420195309153\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260420195107714.png\" alt=\"image-20260420195107714\"><\/p>\n<p>\u5728\u56fe\u4e0a\u53ef\u4ee5\u770b\u5230\u5171\u6a21\u73af\u8def\u7684\u76f4\u6d41\u589e\u76ca\u4e3a\\(60,\\text{dB}\\)\uff0c\u76f8\u4f4d\u88d5\u5ea6\\(70,\\text{dB}\\)\u3002\u800c\u5dee\u6a21\u76f4\u6d41\u589e\u76ca\u5982\u4e0b\u56fe\u6240\u793a\u4e3a\\(66,\\text{dB}\\)\u5de6\u53f3\uff1a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260420195721460.png\" alt=\"image-20260420195721460\"><\/p>\n<p>\u6240\u5dee\u7684\\(6,\\text{dB}\\)\u521a\u597d\u5c31\u662f\uff1a<\/p>\n<div align=\"center\">\n\\(\\displaystyle \\frac{{{g_{mx}}}}{{2g_{my}}}\\)\n<\/div>\n<h4>\u8f93\u5165\u5931\u8c03\u7535\u538b\uff1a<\/h4>\n<p><img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260420173308915.png\" alt=\"image-20260420173308915\"><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/Monika-dokidoki\/img-bed\/img\/image-20260420173356196.png\" alt=\"image-20260420173356196\"><\/p>\n<p>\u5728\u7406\u60f3\u60c5\u51b5\u4e0b\uff0c\u8f93\u5165\u5931\u8c03\u7535\u538b\u5f88\u5c0f\u3002<\/p>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":255,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[],"class_list":["post-33","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ic"],"_links":{"self":[{"href":"https:\/\/www.asuka002.com\/index.php\/wp-json\/wp\/v2\/posts\/33","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.asuka002.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.asuka002.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.asuka002.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.asuka002.com\/index.php\/wp-json\/wp\/v2\/comments?post=33"}],"version-history":[{"count":11,"href":"https:\/\/www.asuka002.com\/index.php\/wp-json\/wp\/v2\/posts\/33\/revisions"}],"predecessor-version":[{"id":256,"href":"https:\/\/www.asuka002.com\/index.php\/wp-json\/wp\/v2\/posts\/33\/revisions\/256"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.asuka002.com\/index.php\/wp-json\/wp\/v2\/media\/255"}],"wp:attachment":[{"href":"https:\/\/www.asuka002.com\/index.php\/wp-json\/wp\/v2\/media?parent=33"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.asuka002.com\/index.php\/wp-json\/wp\/v2\/categories?post=33"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.asuka002.com\/index.php\/wp-json\/wp\/v2\/tags?post=33"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}