[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"product-150261":3,"menu-header":27,"menu-footer":77,"product-150261-related":113,"categories":170},{"createBy":4,"createTime":5,"updateBy":4,"updateTime":6,"remark":4,"id":7,"siteId":8,"sourceId":4,"categoryId":9,"brandId":10,"slug":11,"name":12,"code":4,"model":13,"subtitle":14,"description":15,"images":16,"files":4,"attributes":17,"price":18,"currency":19,"isHot":18,"status":18,"sort":18,"seoTitle":12,"seoDescription":20,"seoKeywords":21,"brand":22,"category":24},null,"2026-05-22 12:49:01","2026-05-22 12:49:00",150261,4,1,20761,"150261","JFW 50PA-500 台式衰减器","50PA-500","JFW 50PA-500 是一款高精度、可编程的台式射频步进衰减器系统，因其出色的性能和多功能性，在射频测试与测量领域拥有广泛的应用。","\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">JFW 50PA-500 是一款高精度、可编程的台式射频步进衰减器系统，因其出色的性能和多功能性，在射频测试与测量领域拥有广泛的应用。\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cspan class=\"\">这款设备的核心是一个包含2个独立固态步进衰减器的测试系统。它为用户提供了极高的控制灵活性，支持手动和远程两种操作模式\u003C\u002Fspan>\u003Cspan class=\"\">。\u003C\u002Fspan>\u003C\u002Fp>\n\u003Ch3>\u003Cstrong>\u003Cspan class=\"\">核心技术规格\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Fh3>\n\u003Cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\">\n\u003Ctable>\n\u003Cthead>\n\u003Ctr>\n\u003Cth>\u003Cspan class=\"\">项目\u003C\u002Fspan>\u003C\u002Fth>\n\u003Cth>\u003Cspan class=\"\">参数\u003C\u002Fspan>\u003C\u002Fth>\n\u003C\u002Ftr>\n\u003C\u002Fthead>\n\u003Ctbody>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">衰减范围\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">0 至 63.5 dB \u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">衰减步进\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">0.5 dB \u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">频率范围\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">200 MHz 至 6 GHz \u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">输入功率\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">0.5 至 2 瓦 (具体取决于衰减设置)\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">插入损耗\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">6 至 6.5 dB \u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">驻波比 (VSWR)\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">最大 1.60:1 (200-4000 MHz) \u002F 2.20:1 (4000-6000 MHz)\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">阻抗\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">50 欧姆 \u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">接口类型\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">前面板：输入接口；后面板：输出接口\u003C\u002Fspan>\u003Cbr>\u003Cspan class=\"\">可选 SMA 或 N 型母头射频连接器\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">控制方式\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">手动：前置面板带显示屏和键盘\u003C\u002Fspan>\u003Cbr>\u003Cspan class=\"\">远程：以太网或 RS-232 串行接口\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">电源\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">交流 100 至 240 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class=\"\">：通过模拟信号在传输过程中的衰减，确定接收机能够正常工作的最小信号强度。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">无线通信设备测试\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：对基站、手机、直放站等设备的射频性能进行校准和验证。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">信号动态范围压缩\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：在测试链路中调整和匹配不同设备间的信号电平。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003C\u002Fol>\n\u003Ch3>\u003Cstrong>\u003Cspan class=\"\">文档与支持\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Fh3>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cspan class=\"\">JFW 为这款产品提供了完整的技术文档，包括：\u003C\u002Fspan>\u003C\u002Fp>\n\u003Cul>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">数据手册\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan 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12:30:51",[],57,"电话：13167366827",3,{"createBy":4,"createTime":4,"updateBy":4,"updateTime":4,"remark":4,"id":78,"siteId":4,"name":79,"location":80,"items":4},{"createBy":25,"createTime":4,"updateBy":25,"updateTime":108,"remark":4,"parentName":4,"parentId":85,"orderNum":4,"ancestors":4,"children":109,"id":110,"siteId":8,"menuId":78,"title":111,"icon":4,"url":4,"sort":8,"status":18,"menu":112},"2026-05-19 12:30:57",[],58,"邮箱：sales@zhht-tech.com",{"createBy":4,"createTime":4,"updateBy":4,"updateTime":4,"remark":4,"id":78,"siteId":4,"name":79,"location":80,"items":4},{"total":114,"rows":115,"code":168,"msg":169},6,[116,129,141,154],{"createBy":4,"createTime":117,"updateBy":4,"updateTime":118,"remark":4,"id":119,"siteId":8,"sourceId":4,"categoryId":9,"brandId":10,"slug":120,"name":121,"code":4,"model":122,"subtitle":123,"description":124,"images":125,"files":4,"attributes":4,"price":18,"currency":19,"isHot":18,"status":18,"sort":18,"seoTitle":121,"seoDescription":126,"seoKeywords":121,"brand":127,"category":128},"2026-05-22 13:14:29","2026-06-29 11:31:22",150266,"150266","JFW 75PA-078 机械式步进衰减器"," 75PA-078 ","JFW 75PA-078 是一款1U高、19英寸机架式、4通道、75欧姆阻抗的机械式步进衰减器系统，专为广播电视、有线电视（CATV）等需要大量并行测试通道的75欧姆系统设计。","\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">FW 75PA-078 是一款1U高、19英寸机架式、4通道、75欧姆阻抗的机械式步进衰减器系统，专为广播电视、有线电视（CATV）等需要大量并行测试通道的75欧姆系统设计。\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cspan class=\"\">与 75PA-053 相比，75PA-078 最大的不同在于其\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">4个独立衰减通道\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">和更低的\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">31dB最大衰减量\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">，使其在大规模、小衰减量的并行测试场景中更具优势。\u003C\u002Fspan>\u003C\u002Fp>\n\u003Ch3>\u003Cspan class=\"\">产品定位对比：75PA-078 vs. 75PA-053\u003C\u002Fspan>\u003C\u002Fh3>\n\u003Cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\">\n\u003Ctable>\n\u003Cthead>\n\u003Ctr>\n\u003Cth>\u003Cspan class=\"\">对比维度\u003C\u002Fspan>\u003C\u002Fth>\n\u003Cth>\u003Cstrong>\u003Cspan class=\"\">JFW 75PA-078\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Fth>\n\u003Cth>\u003Cstrong>\u003Cspan class=\"\">JFW 75PA-053 (上期型号)\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Fth>\n\u003C\u002Ftr>\n\u003C\u002Fthead>\n\u003Ctbody>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">核心定位\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">大规模并行测试系统\u003C\u002Fspan>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">通用型双通道测试系统\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">阻抗\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">75 Ohms\u003C\u002Fspan>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">75 Ohms\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">通道数量\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">4\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\"> 个独立衰减器\u003C\u002Fspan>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">2\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\"> 个独立衰减器\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">频率范围\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">DC 至 1000 MHz\u003C\u002Fspan>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">450 MHz 至 2150 MHz\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">衰减范围\u002F步进\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">0 至 \u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">31 dB\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">，\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">1 dB\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\"> 步进\u003C\u002Fspan>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">0 至 127 dB，1 dB 步进\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">衰减器类型\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">机械式步进\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\"> (Relay step)\u003C\u002Fspan>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">固态\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\"> (Solid-state)\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">射频连接器\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">F型母头\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">，位于前面板\u003C\u002Fspan>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">F型母头\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">，位于后面板\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">外形尺寸\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">1U\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\"> 高 19英寸机架式\u003C\u002Fspan>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">2U高 19英寸机架式\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">主要应用\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">CATV头端\u002F终端测试、多端口器件并行测试\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">CATV、DBS、卫星通信\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003C\u002Ftbody>\n\u003C\u002Ftable>\n\u003C\u002Fdiv>\n\u003Cblockquote>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cspan class=\"\">当您的测试任务需要同时处理\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">4路\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">75欧姆射频信号，且对衰减范围要求不高（最大31dB）时，75PA-078是比75PA-053更高效、更集成化的选择。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fblockquote>\n\u003Chr>\n\u003Ch3>\u003Cspan class=\"\">技术规格详解\u003C\u002Fspan>\u003C\u002Fh3>\n\u003Cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\">\n\u003Ctable>\n\u003Cthead>\n\u003Ctr>\n\u003Cth>\u003Cspan class=\"\">参数\u003C\u002Fspan>\u003C\u002Fth>\n\u003Cth>\u003Cspan class=\"\">详细说明\u003C\u002Fspan>\u003C\u002Fth>\n\u003C\u002Ftr>\n\u003C\u002Fthead>\n\u003Ctbody>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">频率范围\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">DC 至 1000 MHz\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">阻抗\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">75 Ohms\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">通道配置\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">4个独立控制的\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">机械式步进衰减器\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">衰减范围\u002F步进\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">0 至 31 dB，步进为 \u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">1 dB\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">衰减精度\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">±0.5 dB\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">插入损耗\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">3.5 dB\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\"> (典型值)\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">驻波比 (VSWR)\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">最大 \u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">1.70:1\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">最大输入功率\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">+27 dBm (0.5W)\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">远程控制\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">以太网 (RJ-45)\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\"> 和 \u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">RS-232\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">手动控制\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">前面板\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">数字键盘\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">和 \u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">LCD 显示屏\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">射频连接器\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">F型母头\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">，位于前面板\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">外形尺寸\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">19英寸标准\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">机架式\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">（\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">1RU\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\"> 高度）\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">电源\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">交流 100-240 V\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">工作温度\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">0°C 至 50°C\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003C\u002Ftbody>\n\u003C\u002Ftable>\n\u003C\u002Fdiv>\n\u003Chr>\n\u003Ch3>\u003Cspan class=\"\">产品核心特性\u003C\u002Fspan>\u003C\u002Fh3>\n\u003Cul>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">专为75Ω系统优化的4通道并行处理\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：这是75PA-078的核心优势。在一个1U高的紧凑机箱内集成了4个独立的衰减通道，极大节省了机架空间，简化了多路射频连接，是\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">CATV多端口器件测试\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">和多通道接收机测试的**选择。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">双向信号流\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：所有衰减器均支持\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">双向\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">传输\u003C\u002Fspan>\u003Cspan class=\"\">，这意味着在测试系统中连接时无需担心信号方向，使用更加灵活。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">机械式衰减器的高线性度\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：该型号采用\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">继电器步进衰减器\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">。虽然开关速度不如固态型号，但其在宽频带内通常具有极佳的\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">无源交调(PIM)\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\"> 性能和信号保真度，对高线性度有要求的测试非常关键。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">全面的远程及手动控制\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：支持前面板键盘手动控制，也支持通过以太网或RS-232进行远程控制\u003C\u002Fspan>\u003Cspan class=\"\">。设备出厂时默认网络接口设置为\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">DHCP模式\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">，串口波特率为\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">57600\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">，方便接入局域网，同时也可通过前面板或远程命令灵活配置为固定IP\u003C\u002Fspan>\u003Cspan class=\"\">。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">配套软件与简单命令集\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：JFW为所有以太网和RS-232控制的测试系统提供\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">GUI测试程序\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">，该程序内置了所有远程命令，并提供了按键模拟、切换等额外功能，极大方便了快速测试与系统调试\u003C\u002Fspan>\u003Cspan class=\"\">。其远程命令集采用简单的ASCII格式，易于集成到自动化测试系统中\u003C\u002Fspan>\u003Cspan class=\"\">。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Ch3>\u003Cspan class=\"\">主要应用领域\u003C\u002Fspan>\u003C\u002Fh3>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cspan class=\"\">这款为75欧姆系统优化的4通道衰减器，主要应用于以下需要大规模并行测试的领域：\u003C\u002Fspan>\u003C\u002Fp>\n\u003Col start=\"1\">\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">有线电视（CATV）头端和终端设备测试\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：在有线电视系统的研发和生产环节，用于同时对放大器的多个输出端口或多台机顶盒进行信号电平控制和性能验证。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">多端口器件测试\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：在测试分路器、分配器、滤波器等多端口无源器件时，可同时独立控制每个端口的信号电平，进行隔离度、驻波比等指标的精确测量。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">数字电视接收机灵敏度测试\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：模拟数字电视信号在传输过程中的衰减，确定4路独立接收机能够正常工作的最小信号强度。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">自动化测试系统（ATE）集成\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：作为ATE系统的核心组件，用于需要并行测试多个75欧姆端口的产线自动化测试场景，能显著提高测试吞吐量。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003C\u002Fol>","[{\"name\":\"23.png\",\"preview\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F22\u002F6000c68b-08a5-41cf-a785-77aff124998b.png\",\"size\":274026,\"thumbnail\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F22\u002F6000c68b-08a5-41cf-a785-77aff124998b.png\",\"url\":\"image\u002F2026\u002F05\u002F22\u002F6000c68b-08a5-41cf-a785-77aff124998b.png\"}]","JFW 75PA-078 机械式步进衰减器多端口器件测试",{"createBy":4,"createTime":4,"updateBy":4,"updateTime":4,"remark":4,"id":10,"siteId":4,"slug":23,"name":23,"country":4,"images":4,"files":4,"subtitle":4,"description":4,"status":4,"isHot":4,"sort":4,"seoTitle":4,"seoDescription":4,"seoKeywords":4},{"createBy":4,"createTime":4,"updateBy":4,"updateTime":4,"remark":4,"id":9,"siteId":4,"parentId":4,"ancestors":4,"slug":25,"name":26,"images":4,"files":4,"subtitle":4,"isHot":4,"status":4,"sort":4,"seoTitle":4,"seoDescription":4,"seoKeywords":4},{"createBy":4,"createTime":130,"updateBy":4,"updateTime":118,"remark":4,"id":131,"siteId":8,"sourceId":4,"categoryId":9,"brandId":10,"slug":132,"name":133,"code":4,"model":134,"subtitle":135,"description":136,"images":137,"files":4,"attributes":4,"price":18,"currency":4,"isHot":18,"status":18,"sort":18,"seoTitle":133,"seoDescription":138,"seoKeywords":133,"brand":139,"category":140},"2026-05-22 13:08:44",150265,"150265","JFW 75PA-053 机架式衰减器","75PA-053","JFW 75PA-053 是一款19英寸机架式、双通道、75欧姆阻抗的固态可编程步进衰减器系统，专为CATV、卫星通信等典型75欧姆射频测试应用而设计。","\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">FW 75PA-053 是一款19英寸机架式、双通道、75欧姆阻抗的固态可编程步进衰减器系统，专为CATV、卫星通信等典型75欧姆射频测试应用而设计。\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Chr>\n\u003Ch3>\u003Cstrong>\u003Cspan class=\"\">产品定位对比\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Fh3>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cspan class=\"\">与之前介绍的50欧姆系列（如50PA-500、609）不同，75PA-053专为\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">75欧姆阻抗系统\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">设计，这使其成为广播电视、有线电视（CATV）和卫星通信等领域进行信号电平控制和系统测试的**选择。\u003C\u002Fspan>\u003C\u002Fp>\n\u003Cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\">\n\u003Ctable>\n\u003Cthead>\n\u003Ctr>\n\u003Cth>\u003Cspan class=\"\">对比维度\u003C\u002Fspan>\u003C\u002Fth>\n\u003Cth>\u003Cstrong>\u003Cspan class=\"\">JFW 75PA-053\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Fth>\n\u003Cth>\u003Cstrong>\u003Cspan class=\"\">JFW 50PA系列 (如50PA-505)\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Fth>\n\u003C\u002Ftr>\n\u003C\u002Fthead>\n\u003Ctbody>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">核心定位\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">75欧姆系统专用\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">50欧姆系统专用\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">阻抗\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">75 Ohms\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">50 Ohms\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">通道数量\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">2个独立固态步进衰减器\u003C\u002Fspan>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">2至24个不等\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">射频连接器\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">F型母头\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">N型、SMA型等\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">频率范围\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">450 MHz 至 2150 MHz\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">200 MHz 至 6 GHz\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">衰减范围\u002F步进\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">0 至 127 dB，\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">1 dB\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\"> 步进\u003C\u002Fspan>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">0 至 63\u002F95 dB，\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">0.5\u002F1 dB\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\"> 步进\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">主要应用\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">CATV、DBS、卫星通信\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">无线通信、基站测试\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003C\u002Ftbody>\n\u003C\u002Ftable>\n\u003C\u002Fdiv>\n\u003Chr>\n\u003Ch3>\u003Cstrong>\u003Cspan class=\"\">技术规格详解\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Fh3>\n\u003Cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\">\n\u003Ctable>\n\u003Cthead>\n\u003Ctr>\n\u003Cth>\u003Cspan class=\"\">参数\u003C\u002Fspan>\u003C\u002Fth>\n\u003Cth>\u003Cspan class=\"\">详细说明\u003C\u002Fspan>\u003C\u002Fth>\n\u003C\u002Ftr>\n\u003C\u002Fthead>\n\u003Ctbody>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">频率范围\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">450 MHz 至 2150 MHz\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">阻抗\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">75 Ohms\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">通道配置\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">2个独立控制的固态步进衰减器（\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">双向\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">）\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">衰减范围\u002F步进\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">0 至 127 dB，步进为 \u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">1 dB\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">衰减精度\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">±0.4 dB（典型值）\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">插入损耗\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">4.7 dB（典型值）\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">驻波比 (VSWR)\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">1.80:1（典型值）\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">最大输入功率\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">+20 dBm (0.1W)\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">开关类型\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">固态电子衰减\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">远程控制\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">以太网 (RJ-45)\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\"> 和 \u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">RS-232\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">手动控制\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">前面板\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">数字键盘\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">和 \u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">LCD 显示屏\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">射频连接器\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">F型母头\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">，位于后面板\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">外形尺寸\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">19英寸标准\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">机架式\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">（2U高度）\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">电源\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">交流 100-240 V，47-63 Hz\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">工作温度\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">0°C 至 50°C\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003C\u002Ftbody>\n\u003C\u002Ftable>\n\u003C\u002Fdiv>\n\u003Chr>\n\u003Ch3>\u003Cstrong>\u003Cspan class=\"\">产品核心特性\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Fh3>\n\u003Cul>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">为75欧姆应用而生\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：这是其最显著的特征。它在射频性能上针对75欧姆系统（如有线电视、卫星信号分配）进行了优化，使用标准的F型射频连接器\u003C\u002Fspan>\u003Cspan class=\"\">，可无缝集成到现有测试环境中。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">强大的信号动态模拟\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：通过前面板或远程命令，可对衰减器执行\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">淡入（Fade）\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\"> 或\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">切换（Handover）\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">操作，用于模拟无线信号在传输中的动态变化，是接收机灵敏度和切换性能测试的有力工具。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">高可靠性与稳定控制\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：采用\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">固态电子衰减技术\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">，无机械触点，可靠性高且响应速度快。支持以太网和RS-232远程控制，采用简单的ASCII命令格式\u003C\u002Fspan>\u003Cspan class=\"\">，便于集成到自动化测试系统（ATE）中。其切换速度可达\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">微秒级\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">简便的操控方式\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：支持前面板键盘手动控制和远程计算机控制两种模式\u003C\u002Fspan>\u003Cspan class=\"\">。设备出厂时默认网络接口设置为DHCP模式，串口波特率为57600\u003C\u002Fspan>\u003Cspan class=\"\">，同时也可通过前面板或远程命令轻松修改为固定IP等高级网络设置\u003C\u002Fspan>\u003Cspan class=\"\">。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">配套软件与命令集\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：JFW为所有以太网和RS-232控制的测试系统提供\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">GUI测试程序\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">，该程序内置了所有远程命令，方便快速测试与系统调试。此外，全面的\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">固件手册\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">列出了所有远程命令、语法和示例。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Ch3>\u003Cstrong>\u003Cspan class=\"\">主要应用领域\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Fh3>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cspan class=\"\">这款为75欧姆系统优化的双通道衰减器，主要应用于以下特定领域：\u003C\u002Fspan>\u003C\u002Fp>\n\u003Col start=\"1\">\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">有线电视（CATV）与宽带系统测试\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：精确模拟信号在不同传输介质下的衰减，对放大器、分支分配器等器件进行性能验证。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">直播卫星（DBS）系统测试\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：用于卫星接收机、低噪声下变频器（LNB）和多路开关等设备的灵敏度和动态范围测试。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">广播发射与接收系统测试\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：控制广播信号的强度，在研发和生产环节中对发射机和接收机进行校准和性能评估。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">通信设备互操作性测试\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：模拟基站与终端设备之间由于距离、障碍物等因素引起的信号衰减，验证系统的兼容性和稳定性。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003C\u002Fol>\n\u003Ch3>\u003Cstrong>\u003Cspan class=\"\">技术文档与支持\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Fh3>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cspan class=\"\">JFW为这款产品提供了详尽的技术文档，方便用户进行系统集成和二次开发。\u003C\u002Fspan>\u003C\u002Fp>\n\u003Cul>\n\u003Cli>\n\u003Cp>数据手册：75PA-053 数据手册 PDF\u003C\u002Fp>\n\u003Cp>工程图纸：75PA-053 外形尺寸图纸 PDF\u003C\u002Fp>\n\u003Cp>固件手册：通用固件命令手册 PDF\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp>\u003Cspan class=\"\">总的来说，75PA-053以其特殊的75欧姆阻抗设计、双通道独立控制和强大的信号模拟能力，为CATV、卫星通信等领域的工程师提供了一个可靠、高效的测试工具。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003C\u002Ful>","[{\"name\":\"23.png\",\"preview\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F22\u002F9d02f2e5-6c25-435e-b5ac-b83181c824b1.png\",\"size\":274026,\"thumbnail\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F22\u002F9d02f2e5-6c25-435e-b5ac-b83181c824b1.png\",\"url\":\"image\u002F2026\u002F05\u002F22\u002F9d02f2e5-6c25-435e-b5ac-b83181c824b1.png\"}]","JFW 75PA-053 机架式衰减器支持前面板键盘手动控制和远程计算机控制两种模式",{"createBy":4,"createTime":4,"updateBy":4,"updateTime":4,"remark":4,"id":10,"siteId":4,"slug":23,"name":23,"country":4,"images":4,"files":4,"subtitle":4,"description":4,"status":4,"isHot":4,"sort":4,"seoTitle":4,"seoDescription":4,"seoKeywords":4},{"createBy":4,"createTime":4,"updateBy":4,"updateTime":4,"remark":4,"id":9,"siteId":4,"parentId":4,"ancestors":4,"slug":25,"name":26,"images":4,"files":4,"subtitle":4,"isHot":4,"status":4,"sort":4,"seoTitle":4,"seoDescription":4,"seoKeywords":4},{"createBy":4,"createTime":142,"updateBy":4,"updateTime":118,"remark":4,"id":143,"siteId":8,"sourceId":4,"categoryId":9,"brandId":10,"slug":144,"name":145,"code":4,"model":146,"subtitle":147,"description":148,"images":149,"files":4,"attributes":150,"price":18,"currency":19,"isHot":18,"status":18,"sort":18,"seoTitle":145,"seoDescription":151,"seoKeywords":145,"brand":152,"category":153},"2026-05-22 13:01:33",150264,"150264","JFW 50PA-1197 衰减器","JFW 50PA-1197","JFW 50PA-1197 是一款超高集成度的台式可编程衰减器系统，其最大的特点是集成了24个独立的固态步进衰减器，专注于解决多通道射频信号的并行控制难题。","\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">JFW 50PA-1197 是一款超高集成度的台式可编程衰减器系统，其最大的特点是集成了24个独立的固态步进衰减器，专注于解决多通道射频信号的并行控制难题。\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Ch3>\u003Cstrong>\u003Cspan class=\"\">核心特性对比\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Fh3>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cspan class=\"\">相比我们之前讨论的型号，50PA-1197主要面向需要海量通道的大规模并行测试场景。\u003C\u002Fspan>\u003C\u002Fp>\n\u003Cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\">\n\u003Ctable>\n\u003Cthead>\n\u003Ctr>\n\u003Cth>\u003Cspan class=\"\">对比维度\u003C\u002Fspan>\u003C\u002Fth>\n\u003Cth>\u003Cstrong>\u003Cspan class=\"\">JFW 50PA-505 (4路)\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Fth>\n\u003Cth>\u003Cstrong>\u003Cspan class=\"\">JFW 50PA-609 (6路)\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Fth>\n\u003Cth>\u003Cstrong>\u003Cspan class=\"\">JFW 50PA-1197 (24路)\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Fth>\n\u003C\u002Ftr>\n\u003C\u002Fthead>\n\u003Ctbody>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">核心定位\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">多通道并行测试平台\u003C\u002Fspan>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">高集成度、六通道衰减\u003C\u002Fspan>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">超高集成度、大规模并行测试平台\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">通道数量\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">4个独立衰减器\u003C\u002Fspan>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">6个独立衰减器\u003C\u002Fspan>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">24个独立衰减器\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">衰减范围\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">0 至 63 dB\u003C\u002Fspan>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">0 至 95 dB\u003C\u002Fspan>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">0 至 95 dB\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">衰减步进\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">1 dB\u003C\u002Fspan>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">1 dB\u003C\u002Fspan>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">1 dB\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">频率范围\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">200 MHz 至 6 GHz\u003C\u002Fspan>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">200 MHz 至 6 GHz\u003C\u002Fspan>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">200 MHz 至 6 GHz\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">主要应用\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">4端口MIMO OTA测试\u003C\u002Fspan>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">MIMO\u002F波束赋形测试\u003C\u002Fspan>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">大规模MIMO测试、多通道相控阵校准、4G\u002F5G基站生产\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003C\u002Ftbody>\n\u003C\u002Ftable>\n\u003C\u002Fdiv>\n\u003Cblockquote>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cspan class=\"\">如果您需要在一个紧凑的机箱内独立控制多达\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">24路\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">射频信号的衰减，以实现高效率的多通道并行测试，50PA-1197是目前该系列中最合适的选择。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fblockquote>\n\u003Ch3>\u003Cstrong>\u003Cspan class=\"\">技术规格详解\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Fh3>\n\u003Cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\">\n\u003Ctable>\n\u003Cthead>\n\u003Ctr>\n\u003Cth>\u003Cspan class=\"\">参数\u003C\u002Fspan>\u003C\u002Fth>\n\u003Cth>\u003Cspan class=\"\">详细说明\u003C\u002Fspan>\u003C\u002Fth>\n\u003C\u002Ftr>\n\u003C\u002Fthead>\n\u003Ctbody>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">频率范围\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">200 MHz 至 6 GHz\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">阻抗\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">50 欧姆\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">通道配置\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">24个\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">独立控制的固态步进衰减器\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">衰减范围\u002F步进\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">0 至 95 dB，步进为 \u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">1 dB\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">衰减精度\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">±0.50 dB\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\"> 至 \u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">±1.25 dB\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">（随衰减量增加）\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">插入损耗\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">< 8.8 dB（典型值 4 至 8.8 dB）\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">最大输入功率\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">平均 \u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">+27 dBm\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\"> (约0.5W)，耐受 \u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">+33 dBm\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\"> (约2W)\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">驻波比 (VSWR)\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">< \u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">2.0:1\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">（全频段），典型值 \u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">1.6:1\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">（中频段）\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">切换速度\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">4 微秒\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">（典型值）\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">远程控制\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">以太网 (RJ-45) 和 RS-232\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">手动控制\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">前面板数字键盘和LCD显示屏\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">射频连接器\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">48个 \u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">SMA\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\"> 母头（每个衰减器对应2个端口，均位于后面板）\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">外形尺寸\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">台式（Benchtop），12 x 12 x 12 英寸\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">电源\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">AC 100-240 V，47-63 Hz\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">工作温度\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">0°C 至 +50°C\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003C\u002Ftbody>\n\u003C\u002Ftable>\n\u003C\u002Fdiv>\n\u003Ch3>\u003Cstrong>\u003Cspan class=\"\">产品核心特点与优势\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Fh3>\n\u003Cul>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">超高密度并行处理\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：这是50PA-1197最显著的特点。在一个12英寸见方的紧凑机箱内集成了24个独立通道，极大节省了测试系统的空间，并简化了复杂的多路射频连接，是\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">大规模MIMO（Massive MIMO）\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\"> 和 \u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">多通道相控阵\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\"> 测试的**之选\u003C\u002Fspan>\u003Cspan class=\"\">。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">灵活的群组控制（Block Control）\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：除了独立控制每个通道，还支持强大的群组控制功能。用户可以通过远程命令将任意数量的衰减器定义为一个“块”（Block），并对整个“块”执行同步设置或“渐变”（Fade）操作，即让一组通道的衰减值在指定时间内同步变化，用于模拟复杂的多路径衰落场景\u003C\u002Fspan>\u003Cspan class=\"\">。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">专业的信号动态模拟\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：内置的软件功能不仅支持简单的衰减设置，还可以对单个或一组衰减器执行\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">淡入（Fade）\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\"> 和\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">切换（Handover）\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\"> 操作，能够精确模拟无线信号在传输中的动态变化，非常适合进行接收机灵敏度和基站切换性能的评估\u003C\u002Fspan>\u003Cspan class=\"\">。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">高可靠性与稳定控制\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：采用\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">固态电子衰减\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">技术，无机械触点，可靠性极高，平均无故障时间（MTBF）长达 \u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">250,000 小时\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">。远程控制响应迅速，单条命令处理时间小于 \u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">3毫秒\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">，可实现高速自动化测试序列\u003C\u002Fspan>\u003Cspan class=\"\">。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">简便的操控方式\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：支持前面板键盘手动控制，也支持通过以太网或RS-232进行远程控制。系统出厂时默认设置为DHCP模式，便于接入局域网，同时也支持通过前面板或远程命令（\u003C\u002Fspan>\u003Ccode>NET\u003C\u002Fcode>\u003Cspan class=\"\">）设置为固定IP地址，满足不同测试环境的需求\u003C\u002Fspan>\u003Cspan class=\"\">。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Ch3>\u003Cstrong>\u003Cspan class=\"\">主要应用领域\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Fh3>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cspan class=\"\">凭借其24通道并行处理和高度灵活的群组控制能力，该设备是现代无线通信测试的核心工具。\u003C\u002Fspan>\u003C\u002Fp>\n\u003Col start=\"1\">\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">大规模MIMO与5G基站测试\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：可同时、独立控制24路通道的衰减，精确模拟5G Massive MIMO基站中复杂的多天线信道环境，进行吞吐量和覆盖性能验证。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">多通道相控阵雷达与天线校准\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：在研发和生产环节，对相控阵雷达或智能天线的数十个TR组件（收发单元）进行并行校准和波束赋形测试，能极大提升效率。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">产线并行测试\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：在手机、基站、物联网模块等设备的生产线上，可连接并同时测试多个产品或多端口模块，显著提高测试吞吐量。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">信道模拟与切换测试\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：配合群组控制和渐变功能，可用于搭建复杂多基站、多小区切换测试系统，模拟终端在移动过程中的信号变化。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003C\u002Fol>\n\u003Ch3>\u003Cstrong>\u003Cspan class=\"\">技术文档与支持\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Fh3>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cspan class=\"\">JFW为这款产品提供了详尽的技术文档，帮助用户进行系统集成和二次开发。\u003C\u002Fspan>\u003C\u002Fp>\n\u003Cul>\n\u003Cli>\n\u003Cp>数据手册 (Data Sheet)：50PA-1197 数据手册 PDF\u003C\u002Fp>\n\u003Cp>工程图纸 (Outline Drawing)：50PA-1197 外形工程图 PDF\u003C\u002Fp>\n\u003C\u002Fli>\n\u003C\u002Ful>","[{\"name\":\"8.png\",\"preview\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F22\u002F11f25993-4dc0-4163-8165-4d1747587cbd.png\",\"size\":307518,\"thumbnail\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F22\u002F11f25993-4dc0-4163-8165-4d1747587cbd.png\",\"url\":\"image\u002F2026\u002F05\u002F22\u002F11f25993-4dc0-4163-8165-4d1747587cbd.png\"}]","衰减范围\u002F步进\t0 至 95 dB，步进为 1 dB\n衰减精度\t±0.50 dB 至 ±1.25 dB（随衰减量增加）","JFW 50PA-1197 衰减器专业的信号动态模拟、高可靠性与稳定控制",{"createBy":4,"createTime":4,"updateBy":4,"updateTime":4,"remark":4,"id":10,"siteId":4,"slug":23,"name":23,"country":4,"images":4,"files":4,"subtitle":4,"description":4,"status":4,"isHot":4,"sort":4,"seoTitle":4,"seoDescription":4,"seoKeywords":4},{"createBy":4,"createTime":4,"updateBy":4,"updateTime":4,"remark":4,"id":9,"siteId":4,"parentId":4,"ancestors":4,"slug":25,"name":26,"images":4,"files":4,"subtitle":4,"isHot":4,"status":4,"sort":4,"seoTitle":4,"seoDescription":4,"seoKeywords":4},{"createBy":4,"createTime":155,"updateBy":4,"updateTime":156,"remark":4,"id":157,"siteId":8,"sourceId":4,"categoryId":9,"brandId":10,"slug":158,"name":159,"code":4,"model":160,"subtitle":161,"description":162,"images":163,"files":4,"attributes":164,"price":18,"currency":19,"isHot":18,"status":18,"sort":18,"seoTitle":159,"seoDescription":165,"seoKeywords":159,"brand":166,"category":167},"2026-05-22 12:56:38","2026-05-22 12:56:37",150263,"150263","JFW 50PA-505 衰减器","50PA-505","JFW 50PA-505 可以看作是50PA-500的“直系升级版”，它在保留了高精度核心的同时，将测试通道数从2路扩展到了 4路独立可控的通道，从而能够满足更复杂的并行测试需求，显著提升测试效率。","\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">JFW 50PA-505 可以看作是50PA-500的“直系升级版”\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">，它在保留了高精度核心的同时，将测试通道数从2路扩展到了 \u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">4路独立可控的通道\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">，从而能够满足更复杂的并行测试需求，显著提升测试效率。\u003C\u002Fspan>\u003C\u002Fp>\n\u003Ch3>\u003Cspan class=\"\">核心特性对比\u003C\u002Fspan>\u003C\u002Fh3>\n\u003Cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\">\n\u003Ctable>\n\u003Cthead>\n\u003Ctr>\n\u003Cth>\u003Cspan class=\"\">对比维度\u003C\u002Fspan>\u003C\u002Fth>\n\u003Cth>\u003Cstrong>\u003Cspan class=\"\">JFW 50PA-500 (2路)\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Fth>\n\u003Cth>\u003Cstrong>\u003Cspan class=\"\">JFW 50PA-505 (4路)\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Fth>\n\u003C\u002Ftr>\n\u003C\u002Fthead>\n\u003Ctbody>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">核心定位\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">高精度、双通道衰减\u003C\u002Fspan>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">多通道并行测试平台\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">衰减范围\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">0 至 63.5 dB\u003C\u002Fspan>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">0 至 63 dB\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">衰减步进\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">0.5 dB\u003C\u002Fspan>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">1 dB\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">通道数量\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">2 个独立衰减器\u003C\u002Fspan>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">4 个独立衰减器\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">射频连接器\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">SMA或N型母头\u003C\u002Fspan>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">N型和SMA母头\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\"> (前后面板均提供)\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">主要应用\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">双端口自动化测试、接收机灵敏度测试\u003C\u002Fspan>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">4端口MIMO OTA测试、基站多通道校准、多设备并行测试\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003C\u002Ftbody>\n\u003C\u002Ftable>\n\u003C\u002Fdiv>\n\u003Cblockquote>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cspan class=\"\">如果追求\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">0.5dB的极致步进精度\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">，50PA-500是首选；但如果需要同时测试 \u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">4个通道\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\"> 并拥有更丰富的面板接口，50PA-505能显著提升测试的灵活性和效率。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fblockquote>\n\u003Ch3>\u003Cspan class=\"\">技术规格详解\u003C\u002Fspan>\u003C\u002Fh3>\n\u003Cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\">\n\u003Ctable>\n\u003Cthead>\n\u003Ctr>\n\u003Cth>\u003Cspan class=\"\">参数\u003C\u002Fspan>\u003C\u002Fth>\n\u003Cth>\u003Cspan class=\"\">详细说明\u003C\u002Fspan>\u003C\u002Fth>\n\u003C\u002Ftr>\n\u003C\u002Fthead>\n\u003Ctbody>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">频率范围\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">200 MHz 至 6 GHz\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">阻抗\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">50 欧姆\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">通道配置\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">4个独立控制的固态衰减器\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">衰减范围\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">0 至 63 dB，步进为 1 dB\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">衰减精度\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">±0.5 dB\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\"> 至 \u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">±1.25 dB\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">插入损耗\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">5 至 6 dB\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">最大输入功率\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">平均 +27 dBm (约0.5W)，峰值 +33 dBm (约2W)\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">驻波比 (VSWR)\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">最大 \u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">2.00:1\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\"> (全频段)\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">切换速度\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">< 3毫秒\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\"> 处理远程命令\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">远程控制\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">以太网 (RJ-45) 和 RS-232\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">手动控制\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">前面板数字键盘和LCD显示屏\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">射频连接器\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">N型和SMA母头\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\"> (前后面板均提供)\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">电源\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">AC 100-240 V，47-63 Hz\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong>\u003Cspan class=\"\">工作温度\u003C\u002Fspan>\u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">0°C 至 +50°C\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003C\u002Ftbody>\n\u003C\u002Ftable>\n\u003C\u002Fdiv>\n\u003Ch3>\u003Cspan class=\"\">产品核心特点与优势\u003C\u002Fspan>\u003C\u002Fh3>\n\u003Cul>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">4通道并行处理\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：这是50PA-505相较于双通道型号最核心的优势。它允许在一个测试机箱内同时独立控制4路射频信号的衰减，非常适合MIMO（多输入多输出）、波束赋形等多通道无线通信设备的测试。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">灵活的远程控制接口\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：同时支持以太网和RS-232远程控制\u003C\u002Fspan>\u003Cspan class=\"\">。其以太网功能很强大，支持最多\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">4个用户\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">通过同一IP地址和端口（3001）同时连接\u003C\u002Fspan>\u003Cspan class=\"\">，方便团队协作调试。此外，JFW为所有远程控制型号（包括以太网和RS-232）提供配套的\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">GUI（图形用户界面）测试程序\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">，该程序内置了所有远程命令，并额外提供了按键模拟（keypress）、切换（handover）等功能，极大地方便了快速测试与系统调试\u003C\u002Fspan>\u003Cspan class=\"\">。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">可靠性与易用性\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：采用固态衰减技术，无机械触点，可靠性高，平均无故障时间（MTBF）长达 \u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">250,000 小时\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">。前面板配备的键盘和LCD显示屏，使得现场调试和手动设置也变得非常简单。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">为自动化测试优化\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：其远程命令集非常简单，采用ASCII格式，易于被各种自动化测试软件调用\u003C\u002Fspan>\u003Cspan class=\"\">。命令响应时间\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">小于3毫秒\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">，可以实现高速的自动化序列控制。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Ch3>\u003Cspan class=\"\">主要应用领域\u003C\u002Fspan>\u003C\u002Fh3>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cspan class=\"\">凭借其4通道并行处理的独特优势，该设备尤其适用于以下复杂测试场景：\u003C\u002Fspan>\u003C\u002Fp>\n\u003Col start=\"1\">\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">MIMO与多天线系统测试\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：可同时、独立控制每路通道的衰减，精确模拟4x4 MIMO系统中不同路径的信号衰落，进行接收机性能评估。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">基站与通信设备产线校准\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：同时校准基站的多个射频端口（如双工器、功放模块等），能显著提升生产线上的测试效率\u003C\u002Fspan>\u003Cspan class=\"\">。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">自动化测试系统（ATE）集成\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：作为ATE系统的核心组件，用于精确控制多通道射频测试中的信号电平，非常适合需要并行测试的场景。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">切换与交递测试\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：配合JFW的GUI测试程序，可用于模拟终端在不同基站间的移动切换，测试网络切换性能\u003C\u002Fspan>\u003Cspan class=\"\">。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003C\u002Fol>\n\u003Ch3>\u003Cspan class=\"\">技术文档与支持\u003C\u002Fspan>\u003C\u002Fh3>\n\u003Cul>\n\u003Cli>\n\u003Cp>数据手册：50PA-505 数据手册 PDF\u003C\u002Fp>\n\u003Cp>工程图纸：\u003C\u002Fp>\n\u003Cp>SMA连接器版本外形图 (092-5987) PDF\u003C\u002Fp>\n\u003Cp>N型连接器版本外形图 (092-5986) PDF\u003C\u002Fp>\n\u003Cp>用户手册：50PA-505 用户手册 (Rev 0) PDF\u003C\u002Fp>\n\u003Cul>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cspan class=\"\">手册内容涵盖\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">以太网控制模式配置\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">（如默认IP地址 192.168.1.250 及端口 3001）\u003C\u002Fspan>\u003Cspan class=\"\">、\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">远程命令集\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">和\u003C\u002Fspan>\u003Cstrong>\u003Cspan class=\"\">手动操作说明\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">。\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003C\u002Ful>\n\u003C\u002Fli>\n\u003C\u002Ful>","[{\"name\":\"8.png\",\"preview\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F22\u002Fc336a44c-b92e-4ee7-9340-2e4260731f68.png\",\"size\":307518,\"thumbnail\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F22\u002Fc336a44c-b92e-4ee7-9340-2e4260731f68.png\",\"url\":\"image\u002F2026\u002F05\u002F22\u002Fc336a44c-b92e-4ee7-9340-2e4260731f68.png\"}]","衰减范围\t0 至 63 dB，步进为 1 dB\n衰减精度\t±0.5 dB 至 ±1.25 dB","JFW 50PA-505 衰减器可同时、独立控制每路通道的衰减，精确模拟4x4 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11:54:18","2026-05-20 12:46:15",324,"hardness-tester","硬度计","[{\"name\":\"307L-750.jpg\",\"preview\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F20\u002F3b7c9b82-8d0a-4e70-a06f-cbbc244bb2e3.jpg\",\"size\":149671,\"thumbnail\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F20\u002F3b7c9b82-8d0a-4e70-a06f-cbbc244bb2e3.jpg\",\"url\":\"image\u002F2026\u002F05\u002F20\u002F3b7c9b82-8d0a-4e70-a06f-cbbc244bb2e3.jpg\"}]",{"createBy":25,"createTime":4,"updateBy":25,"updateTime":181,"remark":4,"id":9,"siteId":8,"parentId":18,"ancestors":4,"slug":25,"name":26,"images":182,"files":4,"subtitle":4,"isHot":4,"status":18,"sort":9,"seoTitle":4,"seoDescription":4,"seoKeywords":4},"2026-05-19 10:47:10","[]",{"createBy":25,"createTime":4,"updateBy":25,"updateTime":4,"remark":4,"id":184,"siteId":8,"parentId":9,"ancestors":4,"slug":185,"name":186,"images":4,"files":4,"subtitle":4,"isHot":4,"status":18,"sort":9,"seoTitle":4,"seoDescription":4,"seoKeywords":4},293,"oscilloscopes","示波器",{"createBy":25,"createTime":4,"updateBy":25,"updateTime":4,"remark":4,"id":188,"siteId":8,"parentId":98,"ancestors":4,"slug":189,"name":190,"images":4,"files":4,"subtitle":4,"isHot":4,"status":18,"sort":9,"seoTitle":4,"seoDescription":4,"seoKeywords":4},299,"daq-systems","DAQ数据采集系统",{"createBy":25,"createTime":4,"updateBy":25,"updateTime":4,"remark":4,"id":192,"siteId":8,"parentId":105,"ancestors":4,"slug":193,"name":194,"images":4,"files":4,"subtitle":4,"isHot":4,"status":18,"sort":9,"seoTitle":4,"seoDescription":4,"seoKeywords":4},304,"pressure-gauges","压力表",{"createBy":25,"createTime":4,"updateBy":25,"updateTime":4,"remark":4,"id":196,"siteId":8,"parentId":8,"ancestors":4,"slug":197,"name":198,"images":4,"files":4,"subtitle":4,"isHot":4,"status":18,"sort":9,"seoTitle":4,"seoDescription":4,"seoKeywords":4},309,"pressure-calibrators","压力校准仪",{"createBy":25,"createTime":4,"updateBy":25,"updateTime":200,"remark":4,"id":201,"siteId":8,"parentId":202,"ancestors":4,"slug":203,"name":204,"images":205,"files":4,"subtitle":4,"isHot":18,"status":18,"sort":9,"seoTitle":4,"seoDescription":4,"seoKeywords":4},"2026-05-20 12:54:47",314,5,"analytical-instruments","分析仪器","[{\"name\":\"10001-1-scaled.jpg\",\"preview\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F20\u002F868c6ad0-cfde-4b55-a155-0881d01d8d33.jpg\",\"size\":328317,\"thumbnail\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F20\u002F868c6ad0-cfde-4b55-a155-0881d01d8d33.jpg\",\"url\":\"image\u002F2026\u002F05\u002F20\u002F868c6ad0-cfde-4b55-a155-0881d01d8d33.jpg\"}]",{"createBy":25,"createTime":4,"updateBy":25,"updateTime":4,"remark":4,"id":207,"siteId":8,"parentId":114,"ancestors":4,"slug":208,"name":209,"images":4,"files":4,"subtitle":4,"isHot":4,"status":18,"sort":9,"seoTitle":4,"seoDescription":4,"seoKeywords":4},318,"signal-conditioners","信号调理器",{"createBy":25,"createTime":4,"updateBy":25,"updateTime":211,"remark":4,"id":98,"siteId":8,"parentId":18,"ancestors":4,"slug":25,"name":212,"images":182,"files":4,"subtitle":4,"isHot":4,"status":18,"sort":98,"seoTitle":4,"seoDescription":4,"seoKeywords":4},"2026-05-19 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