{"id":348,"date":"2026-04-02T16:40:52","date_gmt":"2026-04-02T08:40:52","guid":{"rendered":"https:\/\/www.bihec.com\/terasense\/?p=348"},"modified":"2026-04-02T16:40:52","modified_gmt":"2026-04-02T08:40:52","slug":"impatt-%e4%ba%8c%e6%9e%81%e7%ae%a1%e5%b7%a5%e4%bd%9c%e5%8e%9f%e7%90%86","status":"publish","type":"post","link":"https:\/\/www.bihec.com\/terasense\/impatt-%e4%ba%8c%e6%9e%81%e7%ae%a1%e5%b7%a5%e4%bd%9c%e5%8e%9f%e7%90%86\/","title":{"rendered":"IMPATT \u4e8c\u6781\u7ba1\u5de5\u4f5c\u539f\u7406"},"content":{"rendered":"<p><strong><a href=\"https:\/\/www.bihec.com\/terasense\/tag\/impatt\/\" title=\"View all posts in IMPATT\" target=\"_blank\">IMPATT<\/a> diodes<\/strong> \u78b0\u649e\u7535\u79bb\u96ea\u5d29\u6e21\u8d8a\u65f6\u95f4\u4e8c\u6781\u7ba1\u662f\u4e00\u79cd\u9ad8\u529f\u7387\u534a\u5bfc\u4f53\u4e8c\u6781\u7ba1\uff0c\u5e94\u7528\u4e8e\u4ece\u51e0 GHz \u5230\u51e0\u767e GHz \u7684\u9ad8\u9891\u5fae\u6ce2\u9886\u57df\u3002<strong>IMPATT \u4e8c\u6781\u7ba1<\/strong>\u5177\u6709\u8d1f\u7535\u963b\u7279\u6027\uff0c\u56e0\u6b64\u901a\u5e38\u88ab\u7528\u4f5c\u9ad8\u9891\u4fe1\u53f7\u4ea7\u751f\u7684\u632f\u8361\u5668\u3002\u4e0e\u5176\u4ed6\u5fae\u6ce2\u4e8c\u6781\u7ba1\u76f8\u6bd4\uff0cIMPATT \u4e8c\u6781\u7ba1\u7684\u4e00\u4e2a\u5173\u952e\u4f18\u52bf\u662f\u5176\u76f8\u5bf9\u8f83\u9ad8\u7684\u529f\u7387\u80fd\u529b\u3002\u4ece\u5386\u53f2\u4e0a\u770b\uff0cIMPATT \u4e8c\u6781\u7ba1\u4e5f\u88ab\u79f0\u4e3a <strong>Read \u4e8c\u6781\u7ba1<\/strong>\uff0c\u4ee5\u7eaa\u5ff5\u00a0<strong>W.T. Read<\/strong>\uff0c\u4ed6\u4e8e 1958 \u5e74\u9996\u6b21\u63d0\u51fa\u4e86\u57fa\u4e8e\u6b63\u5411\u504f\u7f6e PN \u7ed3\u8f7d\u6d41\u5b50\u6ce8\u5165\u65b9\u6cd5\u7684\u00a0<strong>p\u207a-n-i-n\u207a<\/strong>\u00a0\u7ed3\u6784\u3002<\/p>\n<p class=\"ds-markdown-paragraph\"><strong>IMPATT \u4e8c\u6781\u7ba1\u5de5\u4f5c\u539f\u7406<\/strong><\/p>\n<p class=\"ds-markdown-paragraph\">\u6807\u51c6 PN \u7ed3\u4e0e IMPATT \u4e8c\u6781\u7ba1\u5177\u6709\u76f8\u4f3c\u7684 I-V \u7279\u6027\u66f2\u7ebf\uff0c\u5982\u56fe 1a \u6240\u793a\u3002\u5982\u56fe\u6240\u793a\uff0c\u5f53\u6b63\u5411\u504f\u7f6e\u7535\u538b\u8fbe\u5230\u201c\u5bfc\u901a\u201d\u7535\u5e73\u65f6\uff0c\u4e8c\u6781\u7ba1\u5f00\u59cb\u6b63\u5411\u5bfc\u901a\uff0c\u540c\u65f6\u963b\u6b62\u53cd\u5411\u7535\u6d41\u3002\u4e00\u65e6\u53cd\u5411\u504f\u7f6e\u7535\u538b\u8d85\u8fc7\u51fb\u7a7f\u70b9\uff0c\u4e8c\u6781\u7ba1\u5c06\u56e0\u96ea\u5d29\u51fb\u7a7f\u73b0\u8c61\u800c\u5f00\u59cb\u53cd\u5411\u5bfc\u901a\u3002<\/p>\n<p><img decoding=\"async\" class=\"alignright\" src=\"https:\/\/terasense.com\/wp-content\/uploads\/2018\/03\/1_s.png\" alt=\"IMPATT diode I-V characteristic\" \/><\/p>\n<p id=\"OyGRQwY\"><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-350  alignleft\" src=\"https:\/\/www.bihec.com\/terasense\/wp-content\/uploads\/sites\/725\/2026\/04\/img_69ce2b072d169.png\" alt=\"\" width=\"190\" height=\"465\" srcset=\"https:\/\/www.bihec.com\/terasense\/wp-content\/uploads\/sites\/725\/2026\/04\/img_69ce2b072d169.png 312w, https:\/\/www.bihec.com\/terasense\/wp-content\/uploads\/sites\/725\/2026\/04\/img_69ce2b072d169-123x300.png 123w\" sizes=\"(max-width: 190px) 100vw, 190px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p class=\"ds-markdown-paragraph\">\u5bf9\u4e8e\u5fae\u6ce2\u4fe1\u53f7\u4ea7\u751f\u800c\u8a00\uff0c\u6709\u591a\u79cd\u4e0d\u540c\u7c7b\u578b\u7684 IMPATT \u4e8c\u6781\u7ba1\u7ed3\u6784\u53ef\u4f9b\u4f7f\u7528\u3002\u56fe 1b-1e \u4ee5 p\u207a-n-i-n\u207a \u534a\u5bfc\u4f53\u7ed3\u6784\u4e3a\u4f8b\uff0c\u8bf4\u660e\u4e86\u5176\u57fa\u672c\u5de5\u4f5c\u539f\u7406\u3002<\/p>\n<p class=\"ds-markdown-paragraph\">\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u8bc6\u522b\u51fa\u4e24\u4e2a\u4e0d\u540c\u7684\u7a7a\u95f4\u5206\u79bb\u533a\u57df\uff0c\u5982\u56fe 1b \u6240\u793a\uff1a<strong>\u96ea\u5d29\u500d\u589e\u533a<\/strong>\uff08\u6b63\u5411\u504f\u7f6e\u7684 p\u207a-n \u7ed3\uff09\u548c<strong>\u8f7d\u6d41\u5b50\u6f02\u79fb\u533a<\/strong>\uff08\u5728\u8f83\u9ad8\u53cd\u5411\u7535\u538b\u4e0b\u5b8c\u5168\u8017\u5c3d\u7684 i \u533a\uff09\u3002\u8fd9\u79cd\u7279\u6b8a\u7684\u7ed3\u6784\u5b89\u6392\u4ea7\u751f\u4e86\u5982\u56fe 1c \u548c\u56fe 1d \u6240\u793a\u7684\u8f7d\u6d41\u5b50\u5206\u5e03\u7279\u6027\u3002<\/p>\n<p class=\"ds-markdown-paragraph\">\u524d\u4e00\u533a\u57df\uff08\u96ea\u5d29\u500d\u589e\u533a\uff09\u662f\u8f7d\u6d41\u5b50\u6ce8\u5165\uff08\u81ea\u7531\u7535\u8377\u6570\u91cf\u5feb\u901f\u589e\u52a0\uff09\u53d1\u751f\u7684\u533a\u57df\u3002\u7531\u4e8e\u7ed3\u533a\u5185\u6781\u9ad8\u7684\u7535\u573a\u5f3a\u5ea6\uff08\u56fe 1e\uff09\uff0c\u65b0\u4ea7\u751f\u7684\u7a7a\u7a74\u88ab\u52a0\u901f\u8fdb\u5165\u91cd\u63ba\u6742\u7684 p\u207a \u533a\uff0c\u5bfc\u81f4\u78b0\u649e\u7535\u79bb\uff0c\u8fdb\u800c\u5f15\u8d77\u96ea\u5d29\u8f7d\u6d41\u5b50\u500d\u589e\u3002<\/p>\n<p class=\"ds-markdown-paragraph\">\u53e6\u4e00\u65b9\u9762\uff0c\u7535\u5b50\u88ab\u5f3a\u5236\u901a\u8fc7\u540e\u4e00\u533a\u57df\uff08\u8f7d\u6d41\u5b50\u6f02\u79fb\u533a\uff09\uff0c\u5728\u6052\u5b9a\u7535\u573a\u4e2d\u6f02\u79fb\uff08\u56fe 1e\uff09\uff0c\u7136\u540e\u8fdb\u5165 n\u207a \u533a\u3002\u5047\u8bbe\u8f7b\u63ba\u6742 n \u533a\u4e2d\u7684\u7535\u573a\u5f3a\u5ea6\u8db3\u591f\u9ad8\uff0c\u7535\u5b50\u6f02\u79fb\u901f\u5ea6\u51e0\u4e4e\u4fdd\u6301\u6052\u5b9a\u3002\u56e0\u6b64\uff0c\u7531\u4e8e\u5fae\u5206\u7535\u5b50\u8fc1\u79fb\u7387\u63a5\u8fd1\u4e8e\u96f6\uff0c\u4f53\u7535\u8377\u5bc6\u5ea6\u4e0d\u4f1a\u968f\u7535\u5b50\u6d41\u800c\u964d\u4f4e\u3002<\/p>\n<p class=\"ds-markdown-paragraph\">\u5f53\u53cd\u5411\u504f\u7f6e\u7535\u538b\u589e\u52a0\u5230\u4f7f p\u207a-n \u7ed3\u4e2d\u7684\u7535\u573a\u8d85\u8fc7\u51fb\u7a7f\u6c34\u5e73\u65f6\uff0c\u78b0\u649e\u7535\u79bb\u7cfb\u6570 \u03b1 \u8fbe\u5230\u8f83\u9ad8\u503c\u3002\u7531\u4e8e \u03b1 \u5bf9\u7535\u573a\u5f3a\u5ea6\u6c34\u5e73\u7684\u5f3a\u70c8\u4f9d\u8d56\u6027\uff0c\u78b0\u649e\u7535\u79bb\u533a\u57df\u7684\u6df1\u5ea6\u4fdd\u6301\u5728\u8f83\u5c0f\u8303\u56f4\u5185\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p class=\"ds-markdown-paragraph\"><strong>IMPATT \u632f\u8361\u5668\u7535\u8def<\/strong><\/p>\n<p class=\"ds-markdown-paragraph\">\u56fe 2 \u5c55\u793a\u4e86 IMPATT \u632f\u8361\u5668\u7684\u4e00\u822c\u7535\u8def\u914d\u7f6e\u3002\u4e3a\u786e\u4fdd\u7a33\u5b9a\u53ef\u9760\u7684\u8fd0\u884c\uff0c\u4e8c\u6781\u7ba1\u7531\u7535\u6e90\u901a\u8fc7\u4e00\u4e2a\u9650\u6d41\u7535\u963b\u548c\u4e00\u4e2a\u5c04\u9891\u627c\u6d41\u5708\u9a71\u52a8\uff0c\u540e\u8005\u7528\u4e8e\u5b9e\u73b0\u4e0e\u5c04\u9891\u4fe1\u53f7\u7684\u76f4\u6d41\u9694\u79bb\u3002\u4e3a\u4e86\u5728\u6307\u5b9a\u9891\u7387\u4e0b\u7ef4\u6301\u632f\u8361\uff0cIMPATT \u4e8c\u6781\u7ba1\u901a\u5e38\u96c6\u6210\u5230\u8c03\u8c10\u8c10\u632f\u7535\u8def\u4e2d\uff0c\u4f8b\u5982\u6ce2\u5bfc\u8154\u4f53\u3002<\/p>\n<p><a href=\"https:\/\/terasense.com\/wp-content\/uploads\/2013\/08\/6_67tygfv-1.jpg\"><img decoding=\"async\" title=\"Typical IMPATT diode oscillator circuit\" src=\"https:\/\/terasense.com\/wp-content\/uploads\/2017\/10\/IMPATT-generator-circuit.png\" alt=\"Typical IMPATT diode oscillator circuit\" \/><\/a><\/p>\n<p class=\"ds-markdown-paragraph\">\u4e0e\u5176\u4ed6\u7c7b\u578b\u7684\u5fae\u6ce2\u8d1f\u963b\u4e8c\u6781\u7ba1\u76f8\u6bd4\uff0c\u4f7f\u7528\u57fa\u4e8e IMPATT \u7684\u632f\u8361\u5668\u53ef\u4ee5\u5b9e\u73b0\u66f4\u9ad8\u7684\u8f93\u51fa\u529f\u7387\u6c34\u5e73\u3002IMPATT \u632f\u8361\u5668\u4e5f\u88ab\u8bc1\u660e\u662f\u4e00\u4e9b\u6700\u9ad8\u6548\u3001\u6700\u5177\u6210\u672c\u6548\u76ca\u7684\u9ad8\u9891\u9ad8\u529f\u7387\u6e90\uff0c\u5177\u6709\u663e\u8457\u957f\u5bff\u547d\u7684\u7a33\u5b9a\u53ef\u9760\u8fd0\u884c\u7279\u6027\u3002<\/p>\n<p id=\"Mkjmvrh\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone  wp-image-351 \" src=\"https:\/\/www.bihec.com\/terasense\/wp-content\/uploads\/sites\/725\/2026\/04\/img_69ce2b538db07.png\" alt=\"\" width=\"1061\" height=\"249\" srcset=\"https:\/\/www.bihec.com\/terasense\/wp-content\/uploads\/sites\/725\/2026\/04\/img_69ce2b538db07.png 1151w, https:\/\/www.bihec.com\/terasense\/wp-content\/uploads\/sites\/725\/2026\/04\/img_69ce2b538db07-300x70.png 300w, https:\/\/www.bihec.com\/terasense\/wp-content\/uploads\/sites\/725\/2026\/04\/img_69ce2b538db07-1024x240.png 1024w, https:\/\/www.bihec.com\/terasense\/wp-content\/uploads\/sites\/725\/2026\/04\/img_69ce2b538db07-768x180.png 768w, https:\/\/www.bihec.com\/terasense\/wp-content\/uploads\/sites\/725\/2026\/04\/img_69ce2b538db07-500x117.png 500w, https:\/\/www.bihec.com\/terasense\/wp-content\/uploads\/sites\/725\/2026\/04\/img_69ce2b538db07-800x188.png 800w\" sizes=\"(max-width: 1061px) 100vw, 1061px\" \/><\/p>\n<br><div class=\"tagcloud\"><a href=\"https:\/\/www.bihec.com\/terasense\/tag\/impatt\/\" class=\"tag-cloud-link tag-link-0 tag-link-position-1\" style=\"font-size: 8pt;\" aria-label=\"IMPATT (3\u4e2a\u9879\u76ee)\">IMPATT<\/a>\n<a href=\"https:\/\/www.bihec.com\/terasense\/tag\/impatt%e4%ba%8c%e6%9e%81%e7%ae%a1\/\" class=\"tag-cloud-link tag-link-2 tag-link-position-2\" style=\"font-size: 13.833333333333pt;\" aria-label=\"IMPATT\u4e8c\u6781\u7ba1 (9\u4e2a\u9879\u76ee)\">IMPATT\u4e8c\u6781\u7ba1<\/a>\n<a href=\"https:\/\/www.bihec.com\/terasense\/tag\/impatt-%e5%a4%aa%e8%b5%ab%e5%85%b9%e6%ba%90\/\" class=\"tag-cloud-link tag-link-1 tag-link-position-3\" style=\"font-size: 11.645833333333pt;\" aria-label=\"IMPATT \u592a\u8d6b\u5179\u6e90 (6\u4e2a\u9879\u76ee)\">IMPATT \u592a\u8d6b\u5179\u6e90<\/a>\n<a href=\"https:\/\/www.bihec.com\/terasense\/tag\/impatt%e5%a4%aa%e8%b5%ab%e5%85%b9%e6%ba%90\/\" class=\"tag-cloud-link tag-link-3 tag-link-position-4\" style=\"font-size: 12.375pt;\" aria-label=\"IMPATT\u592a\u8d6b\u5179\u6e90 (7\u4e2a\u9879\u76ee)\">IMPATT\u592a\u8d6b\u5179\u6e90<\/a>\n<a href=\"https:\/\/www.bihec.com\/terasense\/tag\/tera-4096\/\" class=\"tag-cloud-link tag-link-4 tag-link-position-5\" style=\"font-size: 11.645833333333pt;\" aria-label=\"Tera-4096 (6\u4e2a\u9879\u76ee)\">Tera-4096<\/a>\n<a href=\"https:\/\/www.bihec.com\/terasense\/tag\/terasense\/\" class=\"tag-cloud-link tag-link-5 tag-link-position-6\" style=\"font-size: 22pt;\" aria-label=\"TeraSense (35\u4e2a\u9879\u76ee)\">TeraSense<\/a>\n<a href=\"https:\/\/www.bihec.com\/terasense\/tag\/terasense%e5%a4%aa%e8%b5%ab%e5%85%b9%e6%88%90%e5%83%8f%e6%89%ab%e6%8f%8f%e4%bb%aa\/\" class=\"tag-cloud-link tag-link-6 tag-link-position-7\" style=\"font-size: 17.1875pt;\" aria-label=\"Terasense\u592a\u8d6b\u5179\u6210\u50cf\u626b\u63cf\u4eea (16\u4e2a\u9879\u76ee)\">Terasense\u592a\u8d6b\u5179\u6210\u50cf\u626b\u63cf\u4eea<\/a>\n<a href=\"https:\/\/www.bihec.com\/terasense\/tag\/%e5%a4%aa%e8%b5%ab%e5%85%b9%e6%88%90%e5%83%8f\/\" class=\"tag-cloud-link tag-link-7 tag-link-position-8\" style=\"font-size: 16.75pt;\" aria-label=\"\u592a\u8d6b\u5179\u6210\u50cf (15\u4e2a\u9879\u76ee)\">\u592a\u8d6b\u5179\u6210\u50cf<\/a>\n<a href=\"https:\/\/www.bihec.com\/terasense\/tag\/%e5%a4%aa%e8%b5%ab%e5%85%b9%e6%88%90%e5%83%8f%e7%9b%b8%e6%9c%ba\/\" class=\"tag-cloud-link tag-link-8 tag-link-position-9\" style=\"font-size: 16.75pt;\" aria-label=\"\u592a\u8d6b\u5179\u6210\u50cf\u76f8\u673a (15\u4e2a\u9879\u76ee)\">\u592a\u8d6b\u5179\u6210\u50cf\u76f8\u673a<\/a>\n<a href=\"https:\/\/www.bihec.com\/terasense\/tag\/%e5%a4%aa%e8%b5%ab%e5%85%b9%e6%88%90%e5%83%8f%e8%ae%be%e5%a4%87\/\" class=\"tag-cloud-link tag-link-9 tag-link-position-10\" style=\"font-size: 9.4583333333333pt;\" aria-label=\"\u592a\u8d6b\u5179\u6210\u50cf\u8bbe\u5907 (4\u4e2a\u9879\u76ee)\">\u592a\u8d6b\u5179\u6210\u50cf\u8bbe\u5907<\/a>\n<a href=\"https:\/\/www.bihec.com\/terasense\/tag\/%e9%ab%98%e9%80%9f%e5%a4%aa%e8%b5%ab%e5%85%b9%e6%88%90%e5%83%8f%e6%89%ab%e6%8f%8f%e4%bb%aa\/\" class=\"tag-cloud-link tag-link-10 tag-link-position-11\" style=\"font-size: 15.4375pt;\" aria-label=\"\u9ad8\u901f\u592a\u8d6b\u5179\u6210\u50cf\u626b\u63cf\u4eea 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