{"id":283,"date":"2025-03-04T16:03:29","date_gmt":"2025-03-04T08:03:29","guid":{"rendered":"https:\/\/www.bihec.com\/srs-inc\/?p=283"},"modified":"2025-03-04T16:03:29","modified_gmt":"2025-03-04T08:03:29","slug":"srs-sr446%e5%89%8d%e7%bd%ae%e6%94%be%e5%a4%a7%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.bihec.com\/srs-inc\/srs-sr446%e5%89%8d%e7%bd%ae%e6%94%be%e5%a4%a7%e5%99%a8\/","title":{"rendered":"SRS SR446\u524d\u7f6e\u653e\u5927\u5668"},"content":{"rendered":"<div class=\"w3-row\">\n<div class=\"w3-half w3-hide-medium w3-hide-small\">\n<div class=\"f3\"><span class=\"ProdPgTITLESb2021\">SR446-400MHz<a href=\"https:\/\/www.bihec.com\/srs-inc\/tag\/%e5%89%8d%e7%bd%ae%e6%94%be%e5%a4%a7%e5%99%a8\/\" title=\"View all posts in \u524d\u7f6e\u653e\u5927\u5668\" target=\"_blank\">\u524d\u7f6e\u653e\u5927\u5668<\/a><\/span><\/div>\n<\/div>\n<\/div>\n<div class=\"w3-row\">\n<div class=\"w3-half w3-hide-medium w3-hide-small\" align=\"left\">\n<div class=\"e1\">\n<ul>\n<li class=\"Bullets2021\">DC\u81f3400 MHz\u5e26\u5bbd(\u6240\u6709\u589e\u76ca\u8bbe\u7f6e)<\/li>\n<li class=\"Bullets2021\">\u5dee\u5206\u8f93\u51fa<\/li>\n<li class=\"Bullets2021\">0.3 dB\u589e\u76ca\u5e73\u5766\u5ea6<\/li>\n<li class=\"Bullets2021\">3.3 nV\/\u221aHz\u8f93\u5165\u566a\u58f0(1 MHz\u65f6)<\/li>\n<li class=\"Bullets2021\">\u7535\u538b\u589e\u76ca\u4ece\u00d71\u81f3\u00d7100<\/li>\n<li class=\"Bullets2021\">50\u03c9\u8f93\u5165\u548c\u8f93\u51fa\u963b\u6297<\/li>\n<li class=\"Bullets2021\">USB\u8ba1\u7b97\u673a\u63a5\u53e3<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"q1\" align=\"left\">\n<div class=\"w3-hide-small\"><span class=\"ProdPgTITLESb2021\">\u6982\u89c2<\/span><\/div>\n<div class=\"w3-hide-small\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.thinksrs.com\/images\/misc\/SRS%20lower%20Nav%20bar%20backgound.png\" width=\"45%\" height=\"1px\" \/><\/div>\n<\/div>\n<div class=\"w3-row\">\n<div class=\"w3-half w3-hide-small\">\n<div class=\"b1\">\n<table>\n<tbody>\n<tr>\n<td width=\"430px\"><span class=\"Text2021\">SR446\u662f\u4e00\u6b3e\u5355\u901a\u9053\u3001400 MHz\u5e26\u5bbd\u7535\u538b\u524d\u7f6e\u653e\u5927\u5668\uff0c\u5177\u6709\u4ece\u00d71\u81f3\u00d7100\u768421\u4e2a\u53ef\u7f16\u7a0b\u589e\u76ca(+0 dB\u81f3+40 dB\uff0c\u6b65\u8fdb\u4e3a2 dB)\u3002\u5b83\u8fd8\u5305\u62ec\u56db\u4e2a\u53ef\u7f16\u7a0b\u7684\u4f4e\u901a\u6ee4\u6ce2\u5668\uff0c\u5177\u6709\u5168\u5e26\u5bbd\u3001200 MHz\u3001100 MHz\u548c20 MHz\u8bbe\u7f6e\u3002\u6709\u4e24\u4e2a\u8f93\u51fa\u901a\u9053\u63d0\u4f9b\u4e92\u8865\u8f93\u51fa(\u53cd\u76f8\u548c\u540c\u76f8)\u53ef\u4ee5\u5355\u72ec\u4f7f\u7528\uff0c\u4e5f\u53ef\u4ee5\u4e00\u8d77\u7528\u4f5c\u5dee\u5206\u8f93\u51fa\u3002<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"Text2021\">SR446\u662f\u4e00\u6b3e\u5355\u901a\u9053\u3001400 MHz\u5e26\u5bbd\u7535\u538b\u524d\u7f6e\u653e\u5927\u5668\uff0c\u5177\u6709\u4ece\u00d71\u81f3\u00d7100\u768421\u4e2a\u53ef\u7f16\u7a0b\u589e\u76ca(+0 dB\u81f3+40 dB\uff0c\u6b65\u8fdb\u4e3a2 dB)\u3002\u5b83\u8fd8\u5305\u62ec\u56db\u4e2a\u53ef\u7f16\u7a0b\u7684\u4f4e\u901a\u6ee4\u6ce2\u5668\uff0c\u5177\u6709\u5168\u5e26\u5bbd\u3001200 MHz\u3001100 MHz\u548c20 MHz\u8bbe\u7f6e\u3002\u6709\u4e24\u4e2a\u8f93\u51fa\u901a\u9053\u63d0\u4f9b\u4e92\u8865\u8f93\u51fa(\u53cd\u76f8\u548c\u540c\u76f8)\u53ef\u4ee5\u5355\u72ec\u4f7f\u7528\uff0c\u4e5f\u53ef\u4ee5\u4e00\u8d77\u7528\u4f5c\u5dee\u5206\u8f93\u51fa\u3002<\/p>\n<p class=\"Text2021\">\u524d\u9762\u677f\u663e\u793a\u4eea\u5668\u7684\u6240\u6709\u8bbe\u7f6e\u548c\u72b6\u6001\u3002\u7528\u6237\u53ef\u4ee5\u4ece\u524d\u9762\u677f\u6216\u901a\u8fc7USB\u63a5\u53e3(\u5728\u4e32\u884c\u7aef\u53e3\u4eff\u771f\u4e2d)\u8fdc\u7a0b\u6267\u884c\u6240\u6709\u914d\u7f6e\u3002<\/p>\n<table>\n<tbody>\n<tr valign=\"top\">\n<td colspan=\"2\" height=\"21\">\n<p class=\"ProdPgTITLESc2021\">SR446 Specifications<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"top\">\n<td colspan=\"2\" valign=\"middle\" height=\"40\">\n<p class=\"TextTITLESb2021\">General<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"top\">\n<td width=\"150\"><span class=\"Specs2021\">Input channels<\/span><\/td>\n<td><span class=\"Specs2021\">1<\/span><\/td>\n<\/tr>\n<tr valign=\"top\">\n<td><span class=\"Specs2021\">Input configurations<\/span><\/td>\n<td><span class=\"Specs2021\">50 \u03a9, 500 \u03a9, AC or DC coupling, ground<\/span><\/td>\n<\/tr>\n<tr valign=\"top\">\n<td><span class=\"Specs2021\">Operating range<\/span><\/td>\n<td><span class=\"Specs2021\">Max input: \u00b10.5 V<br \/>\nMax output: \u00b10.65 V, or \u00b11.3 V differential<\/span><\/td>\n<\/tr>\n<tr valign=\"top\">\n<td><span class=\"Specs2021\">Output channels<\/span><\/td>\n<td><span class=\"Specs2021\">2 (+Out and -Out)<\/span><\/td>\n<\/tr>\n<tr valign=\"top\">\n<td><span class=\"Specs2021\">Output impedance<\/span><\/td>\n<td><span class=\"Specs2021\">50 \u03a9<\/span><\/td>\n<\/tr>\n<tr valign=\"top\">\n<td><span class=\"Specs2021\">Bandwidth<\/span><\/td>\n<td><span class=\"Specs2021\">DC to 400 MHz (-3 dB)<\/span><\/td>\n<\/tr>\n<tr valign=\"top\">\n<td><span class=\"Specs2021\">Bandwidth limit<\/span><\/td>\n<td><span class=\"Specs2021\">Full BW, 200 MHz, 100 MHz, 20 MHz<\/span><\/td>\n<\/tr>\n<tr valign=\"top\">\n<td><span class=\"Specs2021\">Rise\/fall time<\/span><\/td>\n<td><span class=\"Specs2021\">&lt;1 ns<\/span><\/td>\n<\/tr>\n<tr valign=\"top\">\n<td><span class=\"Specs2021\">Voltage gain<\/span><\/td>\n<td><span class=\"Specs2021\">1 to 100 (0 dB to 40 dB with 2 dB steps)<\/span><\/td>\n<\/tr>\n<tr valign=\"top\">\n<td><span class=\"Specs2021\">Gain flatness<\/span><\/td>\n<td><span class=\"Specs2021\">0.3 dB (DC to 100 MHz)<\/span><\/td>\n<\/tr>\n<tr valign=\"top\">\n<td><span class=\"Specs2021\">Gain accuracy<\/span><\/td>\n<td><span class=\"Specs2021\">\u00b10.5 dB (at 1 MHz)<\/span><\/td>\n<\/tr>\n<tr valign=\"top\">\n<td><span class=\"Specs2021\">Input noise<\/span><\/td>\n<td><span class=\"Specs2021\">3.3 nV\/\u221aHz @1 MHz (at max gain)<\/span><\/td>\n<\/tr>\n<tr valign=\"top\">\n<td><span class=\"Specs2021\">Skew<\/span><\/td>\n<td><span class=\"Specs2021\">20 ns (typ.) between +Out and -Out<\/span><\/td>\n<\/tr>\n<tr valign=\"top\">\n<td><span class=\"Specs2021\">Propagation delay<\/span><\/td>\n<td><span class=\"Specs2021\">4.5 ns (typ.)<\/span><\/td>\n<\/tr>\n<tr valign=\"top\">\n<td><span class=\"Specs2021\">Overload recovery time<\/span><\/td>\n<td><span class=\"Specs2021\">12 ns (typ.)<\/span><\/td>\n<\/tr>\n<tr valign=\"top\">\n<td><span class=\"Specs2021\">Input clamp<\/span><\/td>\n<td><span class=\"Specs2021\">\u00b11.5 V (typ.)<\/span><\/td>\n<\/tr>\n<tr valign=\"top\">\n<td><span class=\"Specs2021\">Output overload detect<\/span><\/td>\n<td><span class=\"Specs2021\">\u00b10.7 V (typ.) into 50 \u03a9 load<\/span><\/td>\n<\/tr>\n<tr valign=\"top\">\n<td><span class=\"Specs2021\">Computer interfaces<\/span><\/td>\n<td><span class=\"Specs2021\">USB<\/span><\/td>\n<\/tr>\n<tr valign=\"top\">\n<td><span class=\"Specs2021\">Operating temperature<\/span><\/td>\n<td><span class=\"Specs2021\">0 \u00b0C to 40 \u00b0C, non-condensing<\/span><\/td>\n<\/tr>\n<tr valign=\"top\">\n<td><span class=\"Specs2021\">Dimensions<\/span><\/td>\n<td><span class=\"Specs2021\">8.3&#8243; \u00d7 1.5&#8243; \u00d7 8.0&#8243; (WHL)<\/span><\/td>\n<\/tr>\n<tr valign=\"top\">\n<td><span class=\"Specs2021\">Power<\/span><\/td>\n<td><span class=\"Specs2021\">5 W, 100 to 240 VAC, 50\/60\u00a0Hz<\/span><\/td>\n<\/tr>\n<tr valign=\"top\">\n<td><span class=\"Specs2021\">Warranty<\/span><\/td>\n<td><span class=\"Specs2021\">One year parts and labor on defects in materials and\u00a0workmanship<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<\/div>\n<\/div>\n<\/div>\n<br><div class=\"tagcloud\"><a href=\"https:\/\/www.bihec.com\/srs-inc\/tag\/400mhz%e5%b8%a6%e5%ae%bd%e7%94%b5%e5%8e%8b%e5%89%8d%e7%bd%ae%e6%94%be%e5%a4%a7%e5%99%a8\/\" class=\"tag-cloud-link tag-link-0 tag-link-position-1\" style=\"font-size: 8pt;\" aria-label=\"400MHz\u5e26\u5bbd\u7535\u538b\u524d\u7f6e\u653e\u5927\u5668 (1\u4e2a\u9879\u76ee)\">400MHz\u5e26\u5bbd\u7535\u538b\u524d\u7f6e\u653e\u5927\u5668<\/a>\n<a href=\"https:\/\/www.bihec.com\/srs-inc\/tag\/dc%e8%80%a6%e5%90%88%e7%9a%84%e6%94%be%e5%a4%a7%e5%99%a8\/\" class=\"tag-cloud-link tag-link-1 tag-link-position-2\" style=\"font-size: 16.615384615385pt;\" aria-label=\"DC\u8026\u5408\u7684\u653e\u5927\u5668 (4\u4e2a\u9879\u76ee)\">DC\u8026\u5408\u7684\u653e\u5927\u5668<\/a>\n<a href=\"https:\/\/www.bihec.com\/srs-inc\/tag\/srs-sr446%e5%89%8d%e7%bd%ae%e6%94%be%e5%a4%a7%e5%99%a8\/\" class=\"tag-cloud-link tag-link-2 tag-link-position-3\" style=\"font-size: 8pt;\" aria-label=\"SRS SR446\u524d\u7f6e\u653e\u5927\u5668 (1\u4e2a\u9879\u76ee)\">SRS SR446\u524d\u7f6e\u653e\u5927\u5668<\/a>\n<a href=\"https:\/\/www.bihec.com\/srs-inc\/tag\/srs%e4%bd%8e%e5%99%aa%e5%a3%b0%e7%94%b5%e5%8e%8b%e5%89%8d%e7%bd%ae%e6%94%be%e5%a4%a7%e5%99%a8\/\" class=\"tag-cloud-link tag-link-3 tag-link-position-4\" style=\"font-size: 22pt;\" aria-label=\"SRS\u4f4e\u566a\u58f0\u7535\u538b\u524d\u7f6e\u653e\u5927\u5668 (8\u4e2a\u9879\u76ee)\">SRS\u4f4e\u566a\u58f0\u7535\u538b\u524d\u7f6e\u653e\u5927\u5668<\/a><\/div>","protected":false},"excerpt":{"rendered":"<p>SR446-400MHz\u524d\u7f6e\u653e\u5927\u5668 DC\u81f3400 MHz\u5e26\u5bbd(\u6240\u6709\u589e\u76ca\u8bbe\u7f6e) \u5dee\u5206\u8f93\u51fa 0.3 dB\u589e\u76ca\u5e73\u5766\u5ea6 3.3 nV\/\u221aHz\u8f93\u5165\u566a\u58f0(1 MHz\u65f6) \u7535\u538b\u589e\u76ca\u4ece\u00d71\u81f3\u00d710 <\/p>\n","protected":false},"author":12,"featured_media":254,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_vp_format_video_url":"","_vp_image_focal_point":[]},"categories":[42,4],"tags":[52,48,51,44],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>SRS SR446\u524d\u7f6e\u653e\u5927\u5668<\/title>\n<meta name=\"description\" content=\"SRS SR446\u524d\u7f6e\u653e\u5927\u5668\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.bihec.com\/srs-inc\/srs-sr446\u524d\u7f6e\u653e\u5927\u5668\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SRS SR446\u524d\u7f6e\u653e\u5927\u5668\" \/>\n<meta property=\"og:description\" content=\"SRS 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