{"id":634,"date":"2026-07-29T06:44:46","date_gmt":"2026-07-29T06:44:46","guid":{"rendered":"https:\/\/firstfibertech.com\/?post_type=ff_products&#038;p=634"},"modified":"2026-09-09T02:21:23","modified_gmt":"2026-09-09T02:21:23","slug":"ff-3303a-b-%e5%85%89%e5%ad%a6%e5%8f%af%e5%8f%98%e8%a1%b0%e5%87%8f%e5%99%a8","status":"publish","type":"ff_products","link":"https:\/\/firstfibertech.com\/zh\/product\/ff-3303a-b-optical-variable-attenuator\/","title":{"rendered":"FF-3303A\/B \u5149\u5b66\u53ef\u53d8\u8870\u51cf\u5668"},"content":{"rendered":"<h2 class=\"wp-block-heading\">\u63cf\u8ff0<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">FF-3303A\/B \u624b\u6301\u5f0f\u5149\u53ef\u53d8\u8870\u51cf\u5668\u53ef\u65b9\u4fbf\u5feb\u6377\u5730\u5b8c\u6210\u5149\u4fe1\u53f7\u4ece 0dB \u5230 30dB\/0dB \u5230 60dB \u7684\u8fde\u7eed\u53ef\u53d8\u8870\u51cf\uff0c\u8870\u51cf\u7cbe\u5ea6\u9ad8\u8fbe 0.1dB\uff0c\u63d0\u4f9b 5 \u79cd\u5e38\u7528\u6ce2\u957f\u7684\u5149\u8870\u51cf\u529f\u80fd\u3001\u80cc\u5149\u8c03\u8282\u548c\u663e\u793a\u529f\u80fd\uff0c\u8870\u51cf\u7cbe\u5ea6\u9ad8\uff0c\u5e76\u5177\u5907\u7528\u6237\u81ea\u6821\u51c6\u529f\u80fd\u3002\u5b83\u91c7\u7528\u901a\u7528\u63a5\u53e3\u8bbe\u8ba1\uff0c\u8870\u51cf\u503c\u663e\u793a\u5728\u6db2\u6676\u5c4f\u5e55\u4e0a\u3002\u4e3b\u8981\u7528\u4e8e\u5149\u7ea4\u901a\u4fe1\u7cfb\u7edf\u548c\u7f51\u7edc\u7684\u5efa\u8bbe\u3001\u5347\u7ea7\u548c\u65e5\u5e38\u7ef4\u62a4\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5149\u7ea4\u7535\u7f06\u65bd\u5de5\u4e0e\u7ef4\u62a4\u3001\u5149\u7ea4\u901a\u4fe1\u3001\u5149\u7ea4\u4f20\u611f\u3001\u5149\u7ea4\u6709\u7ebf\u7535\u89c6\u7b49\u9886\u57df\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>\u578b\u53f7<\/td><td>FF-3303A<\/td><td>FF-3303B<\/td><\/tr><tr><td>\u6821\u51c6\u6ce2\u957f<\/td><td colspan=\"2\">1310\/1490\/1550\/1625\/1550nm<\/td><\/tr><tr><td>\u8303\u56f4<\/td><td>0 \u81f3 30 \u5206\u8d1d<\/td><td>0 \u81f3 60 \u5206\u8d1d<\/td><\/tr><tr><td>\u8fde\u63a5\u5668<\/td><td colspan=\"2\">FC\/UPC\uff08SC\/UPC\uff09<\/td><\/tr><tr><td>\u663e\u793a\u5206\u8fa8\u7387<\/td><td colspan=\"2\">0.1dB<\/td><\/tr><tr><td>\u8870\u51cf\u91cd\u590d\u6027<\/td><td>0.1dB<\/td><td>0.1dB\uff080\u81f330dB\uff09\uff0c0.25dB\uff0830\u81f360dB\uff09<\/td><\/tr><tr><td>\u8870\u51cf\u7cbe\u5ea6<\/td><td>0.25\u5206\u8d1d<\/td><td>0.25dB\uff080\u81f330dB\uff09\uff0c0.4dB\uff0830\u81f360dB\uff09<\/td><\/tr><tr><td>\u6700\u5927\u8f93\u51fa\u529f\u7387<\/td><td colspan=\"2\">18dBm<\/td><\/tr><tr><td>\u529b\u91cf<\/td><td colspan=\"2\">3\u8282AA\u7535\u6c60<\/td><\/tr><tr><td>\u81ea\u52a8\u5173\u673a<\/td><td colspan=\"2\">10\u5206\u949f<\/td><\/tr><tr><td>\u5de5\u4f5c\u65f6\u95f4<\/td><td colspan=\"2\">&gt;48\u5c0f\u65f6<\/td><\/tr><tr><td>\u5de5\u4f5c\u6e29\u5ea6<\/td><td colspan=\"2\">-10 \u81f3 +50 \u2103<\/td><\/tr><tr><td>\u50a8\u5b58\u6e29\u5ea6<\/td><td colspan=\"2\">-40 \u81f3 +70 \u2103<\/td><\/tr><tr><td>\u5c3a\u5bf8<\/td><td colspan=\"2\">186x100x50\u6beb\u7c73<\/td><\/tr><tr><td>\u91cd\u91cf<\/td><td colspan=\"2\">180\u514b<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Description The FF-3303A\/B handheld optical variable attenuator can conveniently and quickly complete the continuous variable attenuation of optical signals from 0dB to 30dB\/0dB to 60dB, with a high attenuation accuracy of 0.1dB, providing 5 commonly used wavelengths of light attenuation function, backlight adjustment and display function, precise attenuation accuracy, and user self calibration function. It &#8230; <a title=\"FF-3303A\/B \u5149\u5b66\u53ef\u53d8\u8870\u51cf\u5668\" class=\"read-more\" href=\"https:\/\/firstfibertech.com\/zh\/product\/ff-3303a-b-optical-variable-attenuator\/\" aria-label=\"\u9605\u8bfb FF-3303A\/B Optical Variable Attenuator\">\u9605\u8bfb\u66f4\u591a<\/a><\/p>","protected":false},"featured_media":638,"template":"","ff_product_cat":[11,16],"class_list":["post-634","ff_products","type-ff_products","status-publish","has-post-thumbnail","hentry","ff_product_cat-test-and-measurement","ff_product_cat-variable-attenuator"],"_links":{"self":[{"href":"https:\/\/firstfibertech.com\/zh\/wp-json\/wp\/v2\/ff_products\/634","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/firstfibertech.com\/zh\/wp-json\/wp\/v2\/ff_products"}],"about":[{"href":"https:\/\/firstfibertech.com\/zh\/wp-json\/wp\/v2\/types\/ff_products"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/firstfibertech.com\/zh\/wp-json\/wp\/v2\/media\/638"}],"wp:attachment":[{"href":"https:\/\/firstfibertech.com\/zh\/wp-json\/wp\/v2\/media?parent=634"}],"wp:term":[{"taxonomy":"ff_product_cat","embeddable":true,"href":"https:\/\/firstfibertech.com\/zh\/wp-json\/wp\/v2\/ff_product_cat?post=634"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}