{"id":86,"date":"2026-07-05T13:49:09","date_gmt":"2026-07-05T13:49:09","guid":{"rendered":"https:\/\/onehammertech.com\/ahs\/%e7%be%8e%e5%9b%bd-a-h-systems-at-400-%e5%ae%bd%e5%b8%a6%e4%bd%8e%e5%99%aa%e5%a3%b0%e5%89%8d%e7%bd%ae%e6%94%be%e5%a4%a7%e5%99%a8-40db%e5%a2%9e%e7%9b%8a-9khz-400mhz-emc%e6%8e%a5%e6%94%b6%e6%9c%ba\/"},"modified":"2026-07-05T13:49:09","modified_gmt":"2026-07-05T13:49:09","slug":"%e7%be%8e%e5%9b%bd-a-h-systems-at-400-%e5%ae%bd%e5%b8%a6%e4%bd%8e%e5%99%aa%e5%a3%b0%e5%89%8d%e7%bd%ae%e6%94%be%e5%a4%a7%e5%99%a8-40db%e5%a2%9e%e7%9b%8a-9khz-400mhz-emc%e6%8e%a5%e6%94%b6%e6%9c%ba","status":"publish","type":"post","link":"https:\/\/onehammertech.com\/ahs\/%E7%BE%8E%E5%9B%BD-a-h-systems-at-400-%E5%AE%BD%E5%B8%A6%E4%BD%8E%E5%99%AA%E5%A3%B0%E5%89%8D%E7%BD%AE%E6%94%BE%E5%A4%A7%E5%99%A8-40db%E5%A2%9E%E7%9B%8A-9khz-400mhz-emc%E6%8E%A5%E6%94%B6%E6%9C%BA\/","title":{"rendered":"\u7f8e\u56fd A.H. Systems AT-400 \u5bbd\u5e26\u4f4e\u566a\u58f0\u524d\u7f6e\u653e\u5927\u5668 40dB\u589e\u76ca 9kHz-400MHz EMC\u63a5\u6536\u673a"},"content":{"rendered":"<p>\u7f8e\u56fd A.H. Systems AT-400 \u5bbd\u5e26\u4f4e\u566a\u58f0\u524d\u7f6e\u653e\u5927\u5668\uff08Broadband Low Noise Preamplifier\uff09\u4e13\u95e8\u4e3aEMC\u6d4b\u91cf\u63a5\u6536\u673a\u8bbe\u8ba1\uff0c\u9891\u7387\u8303\u56f49 kHz &#8211; 400 MHz\uff0c\u5178\u578b\u589e\u76ca40dB\uff0c\u566a\u58f0\u7cfb\u6570<3dB\u3002\u5185\u7f6e\u8fc7\u8f7d\u4fdd\u62a4\u7535\u8def\uff0c\u8f93\u51faP1dB\u538b\u7f29\u70b9>+10dBm\u3002\u5916\u58f3\u4e3a\u7d27\u51d1\u94dd\u5236\u5c4f\u853d\u76d2\u4f53\uff0cBNC\u516c\u6bcd\u5934\u76f4\u901a\u4e00\u4f53\u5f0f\u7ed3\u6784\uff0c\u53ef\u76f4\u63a5\u5b89\u88c5\u5728\u63a5\u6536\u673a\u8f93\u5165\u7aef\u6216\u5929\u7ebf\u8f93\u51fa\u7aef\u3002\u76f4\u6d41\u4f9b\u75359-15V\/200mA\uff0c\u53ef\u9009\u7528\u7535\u6c60\u6216\u7535\u6e90\u9002\u914d\u5668\u3002\u9002\u7528\u4e8eEMC\u6d4b\u91cf\u4e2d\u5929\u7ebf\u8f93\u51fa\u4fe1\u53f7\u7684\u63a5\u6536\u673a\u524d\u7f6e\u589e\u76ca\u63d0\u5347\u3001\u65e0\u7ebf\u7535\u9891\u8c31\u76d1\u6d4b\u4e2d\u5fae\u5f31\u4fe1\u53f7\u7684\u63a5\u6536\u524d\u7aef\u653e\u5927\u548c\u5b9e\u9a8c\u5ba4\u6559\u5b66\u6f14\u793a\u5fae\u5f31\u7535\u78c1\u6ce2\u4fe1\u53f7\u7684\u4f4e\u566a\u58f0\u9ad8\u589e\u76ca\u63a5\u6536\u653e\u5927\u3002<\/p>\n<table>\n<tbody>\n<tr>\n<td><strong>\u54c1\u724c<\/strong><\/td>\n<td>A.H. Systems<\/td>\n<\/tr>\n<tr>\n<td><strong>\u56fd\u5bb6<\/strong><\/td>\n<td>\u7f8e\u56fd<\/td>\n<\/tr>\n<tr>\n<td><strong>\u578b\u53f7<\/strong><\/td>\n<td>AT-400<\/td>\n<\/tr>\n<tr>\n<td><strong>\u4ea7\u54c1\u7c7b\u578b<\/strong><\/td>\n<td>\u5bbd\u5e26\u4f4e\u566a\u58f0\u524d\u7f6e\u653e\u5927\u5668<\/td>\n<\/tr>\n<tr>\n<td><strong>\u9891\u7387\u8303\u56f4<\/strong><\/td>\n<td>9 kHz &#8211; 400 MHz<\/td>\n<\/tr>\n<tr>\n<td><strong>\u589e\u76ca<\/strong><\/td>\n<td>40 dB<\/td>\n<\/tr>\n<tr>\n<td><strong>\u566a\u58f0\u7cfb\u6570<\/strong><\/td>\n<td><3 dB<\/td>\n<\/tr>\n<tr>\n<td><strong>\u529f\u80fd<\/strong><\/td>\n<td>\u8d85\u5bbd\u5e26\u4f4e\u566a\u58f0\u5c04\u9891\u4fe1\u53f7\u524d\u7f6e\u653e\u5927<\/td>\n<\/tr>\n<tr>\n<td><strong>\u7528\u9014<\/strong><\/td>\n<td>EMC\u63a5\u6536\u524d\u7f6e\u589e\u76ca\u3001\u9891\u8c31\u76d1\u6d4b\u5fae\u5f31\u4fe1\u53f7\u653e\u5927\u3001\u6559\u5b66\u6f14\u793a<\/td>\n<\/tr>\n<tr>\n<td><strong>\u9002\u7528\u5ba2\u6237<\/strong><\/td>\n<td>EMC\u6d4b\u8bd5\u5b9e\u9a8c\u5ba4\u3001\u65e0\u7ebf\u7535\u76d1\u6d4b\u7ad9\u3001\u9ad8\u6821\u5c04\u9891\u6559\u5b66\u5b9e\u9a8c\u5ba4<\/td>\n<\/tr>\n<tr>\n<td><strong>\u9009\u578b\u91cd\u70b9<\/strong><\/td>\n<td>\u9891\u7387\u8986\u76d6\u8303\u56f4\u3001\u566a\u58f0\u7cfb\u6570\u3001\u589e\u76ca\u5e73\u5766\u5ea6\u3001\u4f9b\u7535\u65b9\u5f0f<\/td>\n<\/tr>\n<tr>\n<td><strong>\u91c7\u8d2d\u670d\u52a1<\/strong><\/td>\n<td>\u5143\u9524OneHammer\u63d0\u4f9bBNC\u7535\u7f06\u548c\u9502\u7535\u6c60\u4f9b\u7535\u914d\u5957<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li><a href=\"https:\/\/onehammertech.com\/ahs\/\">A.H. Systems \u54c1\u724c\u9996\u9875<\/a><\/li>\n<li><a href=\"https:\/\/onehammertech.com\/ahs\/\">A.H. Systems SAS-230 \u5587\u53ed\u5929\u7ebf<\/a><\/li>\n<li><a href=\"https:\/\/onehammertech.com\/ahs\/\">A.H. Systems BTA-H \u5bf9\u6570\u5468\u671f\u5929\u7ebf<\/a><\/li>\n<li><a href=\"https:\/\/onehammertech.com\/ahs\/\">A.H. Systems PAM-1030 \u529f\u7387\u653e\u5927\u5668<\/a><\/li>\n<li><a href=\"https:\/\/onehammertech.com\/ahs\/\">\u4f4e\u566a\u58f0\u524d\u7f6e\u653e\u5927\u5668\u5e94\u7528<\/a><\/li>\n<li><a href=\"https:\/\/onehammertech.com\/ahs\/\">\u5143\u9524OneHammer \u79d1\u5b66\u4eea\u5668\u91c7\u8d2d\u5e73\u53f0<\/a><\/li>\n<\/ul>\n<p>&#8212;<\/p>\n<h3>\u8054\u7cfb\u65b9\u5f0f<\/h3>\n<p><strong>\u5143\u9524 OneHammer<\/strong> \u4e13\u6ce8\u8fdb\u53e3\u79d1\u5b66\u4eea\u5668\u4e0e\u5de5\u4e1a\u8bbe\u5907\u4f9b\u5e94<\/p>\n<p>\ud83d\udcde <strong>\u738b\u7ecf\u7406<\/strong>\uff1a<strong>15618182182<\/strong>\uff08\u5fae\u4fe1\u540c\u53f7\uff09<\/p>\n<p>\u4e3a\u79d1\u7814\u9662\u6240\u3001\u9ad8\u6821\u3001\u4f01\u4e1a\u63d0\u4f9b\u54c1\u724c\u4ea7\u54c1\u91c7\u8d2d\u54a8\u8be2\u4e0e\u6280\u672f\u652f<\/p>\n<p>\u90ae\u7bb1\uff1a<a href=\"mailto:shu@onehammertech.com\">shu@onehammertech.com<\/a><\/p>\n<p>\u7f51\u7ad9\uff1a<a href=\"https:\/\/onehammertech.com\/\">https:\/\/onehammertech.com\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7f8e\u56fdA.H. Systems AT-400\u5bbd\u5e26\u4f4e\u566a\u58f0\u524d\u7f6e\u653e\u5927\u5668\uff0c40dB\u589e\u76ca9kHz-400MHz EMC\u63a5\u6536\uff0c\u5143\u9524OneHammer\u4f9b\u5e94\u3002<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[154,155,6,115,86,128,83,156,107],"class_list":["post-86","post","type-post","status-publish","format-standard","hentry","category-products-applications","tag-40db","tag-9khz-400mhz","tag-a-h-systems","tag-at-400","tag-emc","tag-128","tag-83","tag-156","tag-107"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u7f8e\u56fd A.H. Systems AT-400 \u5bbd\u5e26\u4f4e\u566a\u58f0\u524d\u7f6e\u653e\u5927\u5668 40dB\u589e\u76ca 9kHz-400MHz EMC\u63a5\u6536\u673a - A.H. 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