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modem）串口电缆连接至测试系统，支持最高\u003Cstrong>155200波特率\u003C\u002Fstrong>。波特率可通过前面板按键手动更改，也可使用SERIAL远程命令进行修改。\u003C\u002Fp>\u003Ch3>远程命令集\u003C\u002Fh3>\u003Cp>JFW最新一代固件手册可供下载查阅，手册中列出了所有远程命令及其语法和示例。固件采用简洁的\u003Cstrong>ASCII格式远程命令\u003C\u002Fstrong>。当连接至JFW测试系统并发送HELP命令时，系统将返回该特定测试系统的所有可用远程命令列表。\u003C\u002Fp>\u003Ch3>主要技术参数\u003C\u002Fh3>\u003Cul>\u003Cli>\u003Cstrong>品牌：\u003C\u002Fstrong>JFW Industries\u003C\u002Fli>\u003Cli>\u003Cstrong>型号：\u003C\u002Fstrong>75PA-068\u003C\u002Fli>\u003Cli>\u003Cstrong>阻抗：\u003C\u002Fstrong>75 Ohms\u003C\u002Fli>\u003Cli>\u003Cstrong>配置：\u003C\u002Fstrong>4个衰减器\u003C\u002Fli>\u003Cli>\u003Cstrong>衰减器类型：\u003C\u002Fstrong>继电器步进衰减器\u003C\u002Fli>\u003Cli>\u003Cstrong>总衰减范围：\u003C\u002Fstrong>0 - 63.75 dB\u003C\u002Fli>\u003Cli>\u003Cstrong>衰减步进：\u003C\u002Fstrong>0.25 dB\u003C\u002Fli>\u003Cli>\u003Cstrong>起始频率：\u003C\u002Fstrong>0 MHz（DC）\u003C\u002Fli>\u003Cli>\u003Cstrong>截止频率：\u003C\u002Fstrong>1000 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四通道继电器步进衰减器组件，75欧姆阻抗，频率DC-1000 MHz，衰减范围0-63.75 dB（步进0.25 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19:11:33",153515,3727,"153515","JFW Industries 75PA-073 四通道继电器步进衰减器组件","75PA-073","JFW 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75PA-073 四通道继电器步进衰减器组件 | DC-1218MHz 75欧姆","JFW Industries 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19:10:40",153514,3726,"153514","JFW 75PA-074 四通道步进衰减器组件","75PA-074","JFW 75PA-074是一款19英寸机架式衰减器组件，内置4个75欧姆继电器步进衰减器，衰减范围0-127dB，步进1dB，工作频率DC-1000MHz，支持手动及以太网\u002FRS-232远程控制，配备F型母头射频连接器。","\u003Ch3>产品概述\u003C\u002Fh3>\u003Cp>\u003Cstrong>JFW 75PA-074\u003C\u002Fstrong> 是一款19英寸机架式衰减器组件，内置4个继电器步进衰减器，阻抗为\u003Cstrong>75欧姆\u003C\u002Fstrong>。衰减范围为\u003Cstrong>0至127 dB\u003C\u002Fstrong>，步进精度为\u003Cstrong>1 dB\u003C\u002Fstrong>，工作频率覆盖\u003Cstrong>DC至1000 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75PA-074 四通道步进衰减器组件 | DC-1000MHz 0-127dB 75欧姆","JFW 75PA-074四通道步进衰减器组件，75欧姆阻抗，衰减范围0-127dB，1dB步进，频率DC-1000MHz，支持手动按键及以太网\u002FRS-232远程控制，19英寸机架式设计，适用于射频测试系统。",{"createBy":4,"createTime":4,"updateBy":4,"updateTime":4,"remark":4,"scope":4,"id":7,"siteId":4,"slug":9,"name":10,"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,"scope":4,"id":187,"siteId":4,"parentId":4,"ancestors":4,"slug":198,"name":199,"images":4,"files":4,"subtitle":4,"isHot":4,"status":4,"sort":4,"seoTitle":4,"seoDescription":4,"seoKeywords":4},{"createBy":4,"createTime":246,"updateBy":4,"updateTime":246,"remark":4,"scope":4,"id":247,"siteId":8,"sourceId":248,"categoryId":204,"brandId":7,"slug":249,"name":250,"code":4,"model":251,"subtitle":252,"description":253,"images":254,"files":4,"attributes":4,"price":4,"currency":4,"isHot":4,"status":11,"sort":11,"seoTitle":255,"seoDescription":256,"seoKeywords":4,"brand":257,"category":258},"2026-05-28 19:10:16",153513,3725,"153513","JFW 75PA-078 四通道继电器步进衰减器组件","75PA-078","JFW 75PA-078是一款19英寸机架式四通道衰减器组件，阻抗为75欧姆，频率范围覆盖DC至1000 MHz。支持0-31dB衰减范围（1dB步进），具备以太网和RS-232远程控制功能，适用于各类射频测试系统。","\u003Ch3>产品概述\u003C\u002Fh3>\u003Cp>JFW 75PA-078 是一款高度为1RU的19英寸机架式衰减器组件，内部集成4个75欧姆阻抗的继电器步进衰减器。该衰减器支持双向传输，衰减范围为0至31dB，步进为1dB，工作频率覆盖DC至1000 MHz。设备前面板配备75欧姆F型母头同轴射频连接器，并支持通过以太网或串口进行远程控制。\u003C\u002Fp>\u003Ch3>核心参数\u003C\u002Fh3>\u003Cul>\u003Cli>\u003Cstrong>品牌：\u003C\u002Fstrong>JFW Industries\u003C\u002Fli>\u003Cli>\u003Cstrong>型号：\u003C\u002Fstrong>75PA-078\u003C\u002Fli>\u003Cli>\u003Cstrong>阻抗：\u003C\u002Fstrong>75 Ohms\u003C\u002Fli>\u003Cli>\u003Cstrong>配置：\u003C\u002Fstrong>4通道衰减器\u003C\u002Fli>\u003Cli>\u003Cstrong>衰减器类型：\u003C\u002Fstrong>继电器步进衰减器\u003C\u002Fli>\u003Cli>\u003Cstrong>总衰减量：\u003C\u002Fstrong>31 dB\u003C\u002Fli>\u003Cli>\u003Cstrong>衰减步进：\u003C\u002Fstrong>1 dB\u003C\u002Fli>\u003Cli>\u003Cstrong>频率范围：\u003C\u002Fstrong>DC (0 MHz) 至 1000 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75PA-078 四通道继电器步进衰减器组件 | DC-1000MHz 75欧姆","JFW 75PA-078 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Industries 75PA-079 双路继电器步进衰减器组件 DC-1000MHz 75欧姆","JFW Industries 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19:08:56",153511,3723,"153511","JFW Industries 75PA-113-XX 75欧姆固态步进衰减器组件","75PA-113-XX","JFW Industries 75PA-113-XX 是一款19英寸机架式衰减器组件，内置75欧姆固态步进衰减器，可配置1至16路，衰减范围0-95dB（1dB步进），工作频率5-2150 MHz，支持手动和远程控制，提供BNC或F型连接器可选。","\u003Ch3>产品概述\u003C\u002Fh3>\u003Cp>JFW Industries 75PA-113-XX 是一款19英寸机架式衰减器组件，内置75欧姆固态步进衰减器。衰减器数量可在1至16路之间灵活选择。每路衰减器的衰减范围为0至95dB，步进精度为1dB，工作频率覆盖5-2150 MHz。该组件支持手动控制和远程控制两种方式。\u003C\u002Fp>\u003Cp>产品可选配BNC母头或F型母头75欧姆射频连接器，射频连接器位于后面板。射频连接器标注为Input（输入）和Output（输出），但衰减器实际支持双向工作，输入\u002F输出标注仅为命名惯例。\u003C\u002Fp>\u003Ch3>示例型号\u003C\u002Fh3>\u003Cul>\u003Cli>\u003Cstrong>75PA-113-01 BNC\u003C\u002Fstrong>：1路衰减器，BNC母头连接器\u003C\u002Fli>\u003Cli>\u003Cstrong>75PA-113-02 BNC\u003C\u002Fstrong>：2路衰减器，BNC母头连接器\u003C\u002Fli>\u003Cli>\u003Cstrong>75PA-113-08 F\u003C\u002Fstrong>：8路衰减器，F型母头连接器\u003C\u002Fli>\u003Cli>\u003Cstrong>75PA-113-16 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baud，波特率可通过键盘手动更改，也可通过SERIAL远程命令进行远程设置。\u003C\u002Fp>\u003Ch3>远程命令集\u003C\u002Fh3>\u003Cp>最新一代固件手册可在线下载，手册中列出了所有远程命令及其语法和使用示例。固件采用简单的ASCII格式远程命令。当连接至JFW测试系统并发送HELP命令时，系统将返回该特定测试系统支持的所有远程命令列表。\u003C\u002Fp>","[{\"name\":\"75PA-113-16-F-programmable-attenuator-assembly-19-inch-rack-75-Ohm-Rev-A.jpg\",\"preview\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F28\u002F836b0964-e0c5-4830-b365-ce1f1fbd9169.jpg\",\"size\":78189,\"thumbnail\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F28\u002F836b0964-e0c5-4830-b365-ce1f1fbd9169.jpg\",\"url\":\"image\u002F2026\u002F05\u002F28\u002F836b0964-e0c5-4830-b365-ce1f1fbd9169.jpg\"}]","JFW Industries 75PA-113-XX 75欧姆固态步进衰减器组件 1-16路 5-2150MHz","JFW Industries 75PA-113-XX 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19:08:19",153510,3722,"153510","JFW Industries 75PA-118-XX 多通道固态步进衰减器组件","75PA-118-XX","JFW Industries 75PA-118-XX是一款19英寸机架式多通道衰减器组件，内置75欧姆固态步进衰减器，支持1至16通道配置，衰减范围0至63.75dB，步进0.25dB，工作频率5至2150 MHz，支持手动及远程控制。","\u003Ch3>产品概述\u003C\u002Fh3>\u003Cp>JFW Industries 75PA-118-XX 是一款19英寸机架式衰减器组件，内置75欧姆固态步进衰减器。用户可根据需求选择配置\u003Cstrong>1至16个衰减器\u003C\u002Fstrong>，每个衰减器的衰减范围为\u003Cstrong>0至63.75dB\u003C\u002Fstrong>，步进精度为\u003Cstrong>0.25dB\u003C\u002Fstrong>，工作频率覆盖\u003Cstrong>5至2150 MHz\u003C\u002Fstrong>。该组件支持手动控制和远程控制两种操作方式。\u003C\u002Fp>\u003Ch3>射频连接\u003C\u002Fh3>\u003Cp>该组件配备\u003Cstrong>F型母头75欧姆射频连接器\u003C\u002Fstrong>，位于设备后面板。虽然连接器标注为输入（Input）和输出（Output），但衰减器实际上支持\u003Cstrong>双向工作\u003C\u002Fstrong>，输入\u002F输出标注仅为命名惯例。\u003C\u002Fp>\u003Ch3>型号示例\u003C\u002Fh3>\u003Cul>\u003Cli>75PA-118-02 F — 2通道衰减器，F型母头连接器\u003C\u002Fli>\u003Cli>75PA-118-04 F — 4通道衰减器，F型母头连接器\u003C\u002Fli>\u003Cli>75PA-118-08 F — 8通道衰减器，F型母头连接器\u003C\u002Fli>\u003Cli>75PA-118-16 F — 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manual），列出所有远程命令及其语法和示例。固件使用简单的\u003Cstrong>ASCII格式远程命令\u003C\u002Fstrong>。连接到JFW测试系统后，发送HELP命令即可获取该系统所有可用远程命令的列表。\u003C\u002Fp>","[{\"name\":\"75PA-118-16-programmable-attenuator-assembly-19-inch-rack-75-Ohm-Rev-A.jpg\",\"preview\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F28\u002F7d599fb9-821b-4eac-a66d-a20d359c08a1.jpg\",\"size\":85485,\"thumbnail\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F28\u002F7d599fb9-821b-4eac-a66d-a20d359c08a1.jpg\",\"url\":\"image\u002F2026\u002F05\u002F28\u002F7d599fb9-821b-4eac-a66d-a20d359c08a1.jpg\"}]","JFW Industries 75PA-118-XX 多通道固态步进衰减器组件 5-2150MHz","JFW Industries 75PA-118-XX 19英寸机架式多通道衰减器组件，75欧姆固态步进衰减器，1至16通道可选，衰减范围0-63.75dB，步进0.25dB，频率5-2150MHz，支持手动与以太网\u002FRS-232远程控制。",{"createBy":4,"createTime":4,"updateBy":4,"updateTime":4,"remark":4,"scope":4,"id":7,"siteId":4,"slug":9,"name":10,"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,"scope":4,"id":187,"siteId":4,"parentId":4,"ancestors":4,"slug":198,"name":199,"images":4,"files":4,"subtitle":4,"isHot":4,"status":4,"sort":4,"seoTitle":4,"seoDescription":4,"seoKeywords":4},{"createBy":4,"createTime":303,"updateBy":4,"updateTime":304,"remark":4,"scope":4,"id":305,"siteId":8,"sourceId":306,"categoryId":187,"brandId":7,"slug":307,"name":308,"code":4,"model":309,"subtitle":310,"description":311,"images":312,"files":4,"attributes":4,"price":4,"currency":4,"isHot":4,"status":11,"sort":11,"seoTitle":313,"seoDescription":314,"seoKeywords":4,"brand":315,"category":316},"2026-05-28 19:07:41","2026-05-28 19:07:40",153509,3721,"153509","JFW Industries 75PA-123-XX 1至16路固态步进衰减器组件","75PA-123-XX","JFW Industries 75PA-123-XX 是一款19英寸机架式衰减器组件，内置1至16个75欧姆固态步进衰减器，衰减范围0-63dB（步进1dB），工作频率覆盖5-2150 MHz，支持手动与远程控制，配备F型母头连接器。","\u003Ch3>产品概述\u003C\u002Fh3>\u003Cp>JFW Industries 75PA-123-XX 是一款19英寸机架式衰减器组件，内置75欧姆固态步进衰减器。衰减器数量可从1至16路中灵活配置。每个衰减器的衰减范围为0至63dB，步进精度为1dB，工作频率覆盖5-2150 MHz。该组件支持手动控制和远程控制两种操作方式。产品标配F型母头连接器。射频连接器标注为输入和输出，但衰减器实际上支持双向工作，输入\u002F输出标注仅为命名惯例。\u003C\u002Fp>\u003Ch3>型号示例\u003C\u002Fh3>\u003Cul>\u003Cli>\u003Cstrong>75PA-113-01 F\u003C\u002Fstrong>（1路衰减器，F型母头）\u003C\u002Fli>\u003Cli>\u003Cstrong>75PA-113-02 F\u003C\u002Fstrong>（2路衰减器，F型母头）\u003C\u002Fli>\u003Cli>\u003Cstrong>75PA-113-03 F\u003C\u002Fstrong>（3路衰减器，F型母头）\u003C\u002Fli>\u003Cli>\u003Cstrong>75PA-113-04 F\u003C\u002Fstrong>（4路衰减器，F型母头）\u003C\u002Fli>\u003Cli>\u003Cstrong>75PA-113-05 F\u003C\u002Fstrong>（5路衰减器，F型母头）\u003C\u002Fli>\u003Cli>\u003Cstrong>75PA-113-06 F\u003C\u002Fstrong>（6路衰减器，F型母头）\u003C\u002Fli>\u003Cli>\u003Cstrong>75PA-113-07 F\u003C\u002Fstrong>（7路衰减器，F型母头）\u003C\u002Fli>\u003Cli>\u003Cstrong>75PA-113-08 F\u003C\u002Fstrong>（8路衰减器，F型母头）\u003C\u002Fli>\u003Cli>\u003Cstrong>75PA-113-09 F\u003C\u002Fstrong>（9路衰减器，F型母头）\u003C\u002Fli>\u003Cli>\u003Cstrong>75PA-113-10 F\u003C\u002Fstrong>（10路衰减器，F型母头）\u003C\u002Fli>\u003Cli>\u003Cstrong>75PA-113-11 F\u003C\u002Fstrong>（11路衰减器，F型母头）\u003C\u002Fli>\u003Cli>\u003Cstrong>75PA-113-12 F\u003C\u002Fstrong>（12路衰减器，F型母头）\u003C\u002Fli>\u003Cli>\u003Cstrong>75PA-113-13 F\u003C\u002Fstrong>（13路衰减器，F型母头）\u003C\u002Fli>\u003Cli>\u003Cstrong>75PA-113-14 F\u003C\u002Fstrong>（14路衰减器，F型母头）\u003C\u002Fli>\u003Cli>\u003Cstrong>75PA-113-15 F\u003C\u002Fstrong>（15路衰减器，F型母头）\u003C\u002Fli>\u003Cli>\u003Cstrong>75PA-113-16 F\u003C\u002Fstrong>（16路衰减器，F型母头）\u003C\u002Fli>\u003C\u002Ful>\u003Ch3>手动衰减器控制\u003C\u002Fh3>\u003Cp>手动控制菜单允许用户设置或读取衰减器参数、对衰减器进行渐变操作，或使用两个衰减器执行切换操作。\u003C\u002Fp>\u003Ch3>远程衰减器控制\u003C\u002Fh3>\u003Cp>该衰减器组件可通过\u003Cstrong>以太网连接\u003C\u002Fstrong>或\u003Cstrong>串口连接（RS-232）\u003C\u002Fstrong>实现远程控制。网络设置可通过面板按键手动更改，也可通过NET远程命令进行远程修改。网络接口可设置为\u003Cstrong>DHCP模式\u003C\u002Fstrong>或\u003Cstrong>固定地址模式\u003C\u002Fstrong>。所有新测试系统出厂时默认设置为DHCP模式。通过RS-232串口连接到测试系统时，需使用交叉串口电缆（null modem cable）。支持最高\u003Cstrong>155200波特率\u003C\u002Fstrong>，波特率可通过面板按键手动更改，也可通过SERIAL远程命令进行远程修改。\u003C\u002Fp>\u003Ch3>主要技术参数\u003C\u002Fh3>\u003Cul>\u003Cli>\u003Cstrong>阻抗：\u003C\u002Fstrong>75 Ohms\u003C\u002Fli>\u003Cli>\u003Cstrong>配置：\u003C\u002Fstrong>可选1至16路衰减器\u003C\u002Fli>\u003Cli>\u003Cstrong>衰减器类型：\u003C\u002Fstrong>固态步进衰减器\u003C\u002Fli>\u003Cli>\u003Cstrong>总衰减范围：\u003C\u002Fstrong>0-63 dB\u003C\u002Fli>\u003Cli>\u003Cstrong>衰减步进：\u003C\u002Fstrong>1 dB\u003C\u002Fli>\u003Cli>\u003Cstrong>起始频率：\u003C\u002Fstrong>5 MHz\u003C\u002Fli>\u003Cli>\u003Cstrong>截止频率：\u003C\u002Fstrong>2150 MHz\u003C\u002Fli>\u003Cli>\u003Cstrong>手动控制：\u003C\u002Fstrong>显示屏和按键\u003C\u002Fli>\u003Cli>\u003Cstrong>远程控制：\u003C\u002Fstrong>以太网（DHCP\u002F固定IP）、RS-232串口\u003C\u002Fli>\u003Cli>\u003Cstrong>连接器类型：\u003C\u002Fstrong>F型母头\u003C\u002Fli>\u003C\u002Ful>","[{\"name\":\"75PA-123-16-F-programmable-attenuator-assembly-19-inch-rack-75-Ohm-Rev-A.jpg\",\"preview\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F28\u002Faf5db3d5-03a3-4bb1-bdbf-f5257d90d536.jpg\",\"size\":77438,\"thumbnail\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F28\u002Faf5db3d5-03a3-4bb1-bdbf-f5257d90d536.jpg\",\"url\":\"image\u002F2026\u002F05\u002F28\u002Faf5db3d5-03a3-4bb1-bdbf-f5257d90d536.jpg\"}]","JFW Industries 75PA-123-XX 1至16路75欧姆固态步进衰减器组件 5-2150MHz","JFW Industries 75PA-123-XX 19英寸机架式衰减器组件，支持1至16路75欧姆固态步进衰减器，衰减范围0-63dB（1dB步进），频率5-2150 MHz，支持手动\u002F以太网\u002FRS-232远程控制，配备F型母头连接器。",{"createBy":4,"createTime":4,"updateBy":4,"updateTime":4,"remark":4,"scope":4,"id":7,"siteId":4,"slug":9,"name":10,"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,"scope":4,"id":187,"siteId":4,"parentId":4,"ancestors":4,"slug":198,"name":199,"images":4,"files":4,"subtitle":4,"isHot":4,"status":4,"sort":4,"seoTitle":4,"seoDescription":4,"seoKeywords":4},{"createBy":4,"createTime":318,"updateBy":4,"updateTime":319,"remark":4,"scope":4,"id":320,"siteId":8,"sourceId":321,"categoryId":187,"brandId":7,"slug":322,"name":323,"code":4,"model":324,"subtitle":325,"description":326,"images":327,"files":4,"attributes":4,"price":4,"currency":4,"isHot":4,"status":11,"sort":11,"seoTitle":328,"seoDescription":329,"seoKeywords":4,"brand":330,"category":331},"2026-05-28 19:07:06","2026-05-28 19:07:05",153508,3720,"153508","JFW Industries 75PA-125-XX 1-6通道直流至2150MHz步进衰减器组件","75PA-125-XX","JFW 75PA-125-XX是一款19英寸机架式75欧姆步进衰减器组件，支持1至6个衰减器配置，频率覆盖DC-2150MHz，衰减范围0-63.5dB，步进0.5dB，支持手动与远程控制。","\u003Ch3>产品概述\u003C\u002Fh3>\u003Cp>75PA-125-XX 是一款19英寸机架式衰减器组件，内置75欧姆步进衰减器，工作频率范围为 \u003Cstrong>DC-2150 MHz\u003C\u002Fstrong>。用户可根据需求选择配置 \u003Cstrong>1至6个\u003C\u002Fstrong> 衰减器。每个衰减器的衰减范围为 \u003Cstrong>0至63.5dB\u003C\u002Fstrong>，步进为 \u003Cstrong>0.5dB\u003C\u002Fstrong>。该组件支持手动和远程控制，后面板配备F型母头75欧姆射频连接器。虽然连接器标记为\"输入\"和\"输出\"，但衰减器支持双向工作，此标记仅为命名惯例。\u003C\u002Fp>\u003Ch3>型号示例\u003C\u002Fh3>\u003Cul>\u003Cli>\u003Cstrong>75PA-125-01 F\u003C\u002Fstrong>：1个衰减器，配备F型母头\u003C\u002Fli>\u003Cli>\u003Cstrong>75PA-125-02 F\u003C\u002Fstrong>：2个衰减器，配备F型母头\u003C\u002Fli>\u003Cli>\u003Cstrong>75PA-125-03 F\u003C\u002Fstrong>：3个衰减器，配备F型母头\u003C\u002Fli>\u003Cli>\u003Cstrong>75PA-125-04 F\u003C\u002Fstrong>：4个衰减器，配备F型母头\u003C\u002Fli>\u003Cli>\u003Cstrong>75PA-125-05 F\u003C\u002Fstrong>：5个衰减器，配备F型母头\u003C\u002Fli>\u003Cli>\u003Cstrong>75PA-125-06 F\u003C\u002Fstrong>：6个衰减器，配备F型母头\u003C\u002Fli>\u003C\u002Ful>\u003Ch3>控制方式\u003C\u002Fh3>\u003Cp>\u003Cstrong>手动控制：\u003C\u002Fstrong>通过前面板的显示屏和键盘，手动控制菜单允许用户设置或读取衰减器状态、对衰减器进行淡入淡出操作，或使用两个衰减器执行信号切换。\u003C\u002Fp>\u003Cp>\u003Cstrong>远程控制：\u003C\u002Fstrong>支持通过以太网（Ethernet）或串口（RS-232）进行远程控制。网络接口可设置为DHCP模式或固定地址模式（出厂默认为DHCP模式），网络设置可通过键盘或 \u003Cstrong>NET\u003C\u002Fstrong> 远程命令更改。RS-232连接使用交叉串口线，支持高达 \u003Cstrong>155200\u003C\u002Fstrong> 的波特率，波特率可通过键盘或 \u003Cstrong>SERIAL\u003C\u002Fstrong> 远程命令更改。\u003C\u002Fp>\u003Ch3>远程命令集\u003C\u002Fh3>\u003Cp>最新一代固件手册可供下载，其中详细列出了所有远程命令的语法和示例。该固件采用简单的ASCII格式远程命令。当连接到测试系统并发送 \u003Cstrong>HELP\u003C\u002Fstrong> 命令时，系统将返回该特定测试系统的所有可用远程命令列表。\u003C\u002Fp>","[{\"name\":\"75PA-125-04-F-programmable-attenuator-assembly-19-inch-rack-75-Ohm.jpg\",\"preview\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F28\u002F9ac4c4ae-78c3-49da-b341-272e9ae082d9.jpg\",\"size\":63565,\"thumbnail\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F28\u002F9ac4c4ae-78c3-49da-b341-272e9ae082d9.jpg\",\"url\":\"image\u002F2026\u002F05\u002F28\u002F9ac4c4ae-78c3-49da-b341-272e9ae082d9.jpg\"}]","JFW 75PA-125-XX 75欧姆步进衰减器组件 | DC-2150MHz | 1-6通道可选","JFW Industries 75PA-125-XX 19英寸机架式衰减器组件，提供1至6个75欧姆步进衰减器，频率DC-2150MHz，0-63.5dB衰减范围，支持以太网与RS-232远程控制。",{"createBy":4,"createTime":4,"updateBy":4,"updateTime":4,"remark":4,"scope":4,"id":7,"siteId":4,"slug":9,"name":10,"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,"scope":4,"id":187,"siteId":4,"parentId":4,"ancestors":4,"slug":198,"name":199,"images":4,"files":4,"subtitle":4,"isHot":4,"status":4,"sort":4,"seoTitle":4,"seoDescription":4,"seoKeywords":4},{"createBy":4,"createTime":333,"updateBy":4,"updateTime":334,"remark":4,"scope":4,"id":335,"siteId":8,"sourceId":336,"categoryId":187,"brandId":7,"slug":337,"name":338,"code":4,"model":339,"subtitle":340,"description":341,"images":342,"files":4,"attributes":4,"price":4,"currency":4,"isHot":4,"status":11,"sort":11,"seoTitle":343,"seoDescription":344,"seoKeywords":4,"brand":345,"category":346},"2026-05-28 19:05:59","2026-05-28 19:05:58",153507,3719,"153507","JFW 75PA-131 32通道75欧姆程控步进衰减器组件","75PA-131","JFW 75PA-131是一款19英寸机架式衰减器组件，内置32个继电器步进衰减器，阻抗75欧姆，频率范围DC-1218 MHz，衰减范围0-95.5 dB（步进0.5 dB）。支持前面板手动控制及以太网、RS-232远程控制，采用F型母头75欧姆同轴射频连接器，适用于多通道射频信号衰减测试系统。","\u003Ch3>产品概述\u003C\u002Fh3>\u003Cp>JFW 75PA-131 是一款\u003Cstrong>19英寸机架式衰减器组件\u003C\u002Fstrong>，内置32个继电器步进衰减器，阻抗为\u003Cstrong>75欧姆\u003C\u002Fstrong>。衰减范围为\u003Cstrong>0至95.5 dB\u003C\u002Fstrong>，步进精度为\u003Cstrong>0.5 dB\u003C\u002Fstrong>，工作频率覆盖\u003Cstrong>DC-1218 MHz\u003C\u002Fstrong>。所有衰减器均为双向设计，支持手动和远程两种控制方式。射频连接器采用\u003Cstrong>F型母头75欧姆同轴连接器\u003C\u002Fstrong>，位于设备后面板。\u003C\u002Fp>\u003Ch3>关键参数\u003C\u002Fh3>\u003Cul>\u003Cli>\u003Cstrong>阻抗：\u003C\u002Fstrong>75 Ohm\u003C\u002Fli>\u003Cli>\u003Cstrong>配置：\u003C\u002Fstrong>32个继电器步进衰减器\u003C\u002Fli>\u003Cli>\u003Cstrong>总衰减范围：\u003C\u002Fstrong>0 - 95.5 dB\u003C\u002Fli>\u003Cli>\u003Cstrong>步进精度：\u003C\u002Fstrong>0.5 dB\u003C\u002Fli>\u003Cli>\u003Cstrong>频率范围：\u003C\u002Fstrong>DC - 1218 MHz\u003C\u002Fli>\u003Cli>\u003Cstrong>连接器类型：\u003C\u002Fstrong>F型母头75欧姆同轴射频连接器（后面板）\u003C\u002Fli>\u003Cli>\u003Cstrong>安装方式：\u003C\u002Fstrong>19英寸标准机架安装\u003C\u002Fli>\u003C\u002Ful>\u003Ch3>手动控制\u003C\u002Fh3>\u003Cp>设备配备\u003Cstrong>显示屏和键盘\u003C\u002Fstrong>，手动控制菜单允许用户为每个衰减器地址设置独立的衰减值。通过滚动浏览衰减器地址编号，可以实时查看当前各通道的dB设置值，操作直观便捷。\u003C\u002Fp>\u003Ch3>远程控制\u003C\u002Fh3>\u003Cp>该衰减器组件支持通过\u003Cstrong>以太网连接\u003C\u002Fstrong>或\u003Cstrong>RS-232串口连接\u003C\u002Fstrong>进行远程控制：\u003C\u002Fp>\u003Cul>\u003Cli>\u003Cstrong>以太网控制：\u003C\u002Fstrong>网络设置可通过键盘手动更改，也可使用NET远程命令进行配置。网络接口支持\u003Cstrong>DHCP模式\u003C\u002Fstrong>和\u003Cstrong>固定地址模式\u003C\u002Fstrong>两种选择。\u003C\u002Fli>\u003Cli>\u003Cstrong>RS-232控制：\u003C\u002Fstrong>使用交叉（null modem）串口线缆连接至测试系统，波特率最高可达\u003Cstrong>155200 baud\u003C\u002Fstrong>。波特率可通过键盘手动更改，也可通过SERIAL远程命令进行设置。\u003C\u002Fli>\u003C\u002Ful>\u003Ch3>应用领域\u003C\u002Fh3>\u003Cp>本产品适用于需要多通道同步射频信号衰减的测试场景，广泛应用于无线通信测试、信号模拟、自动化测试系统（ATE）及射频研发实验室等领域。\u003C\u002Fp>","[{\"name\":\"75PA-131-programmable-attenuator-assembly-19-inch-rack-75-ohm-front-view.jpg\",\"preview\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F28\u002F83c7af78-5f10-472e-83cc-ad929e80c0aa.jpg\",\"size\":113148,\"thumbnail\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F28\u002F83c7af78-5f10-472e-83cc-ad929e80c0aa.jpg\",\"url\":\"image\u002F2026\u002F05\u002F28\u002F83c7af78-5f10-472e-83cc-ad929e80c0aa.jpg\"}]","JFW 75PA-131 32通道75欧姆程控步进衰减器组件 | DC-1218 MHz","JFW Industries 75PA-131是一款19英寸机架式32通道继电器步进衰减器组件，75欧姆阻抗，频率DC-1218 MHz，衰减范围0-95.5 dB，步进0.5 dB，支持以太网和RS-232远程控制，适用于多通道射频测试系统。",{"createBy":4,"createTime":4,"updateBy":4,"updateTime":4,"remark":4,"scope":4,"id":7,"siteId":4,"slug":9,"name":10,"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,"scope":4,"id":187,"siteId":4,"parentId":4,"ancestors":4,"slug":198,"name":199,"images":4,"files":4,"subtitle":4,"isHot":4,"status":4,"sort":4,"seoTitle":4,"seoDescription":4,"seoKeywords":4},{"createBy":4,"createTime":348,"updateBy":4,"updateTime":349,"remark":4,"scope":4,"id":350,"siteId":8,"sourceId":351,"categoryId":187,"brandId":7,"slug":352,"name":353,"code":4,"model":354,"subtitle":355,"description":356,"images":357,"files":4,"attributes":4,"price":4,"currency":4,"isHot":4,"status":11,"sort":11,"seoTitle":358,"seoDescription":359,"seoKeywords":4,"brand":360,"category":361},"2026-05-28 19:05:31","2026-05-28 19:05:30",153506,3718,"153506","JFW 75PA-136-XX 多通道固态步进衰减器组件","75PA-136-XX","JFW 75PA-136-XX是一款19英寸机架式衰减器组件，可配置1至16个75欧姆固态步进衰减器，频率范围5-3000 MHz，衰减范围0-95dB（1dB步进），支持手动与远程控制，配备F型母头连接器。","\u003Ch3>产品概述\u003C\u002Fh3>\u003Cp>JFW 75PA-136-XX 是一款19英寸机架式衰减器组件，内置75欧姆固态步进衰减器。用户可根据需求选择配置\u003Cstrong>1至16个衰减器\u003C\u002Fstrong>，每个衰减器具有\u003Cstrong>0至95dB\u003C\u002Fstrong>的衰减范围，步进为\u003Cstrong>1dB\u003C\u002Fstrong>，工作频率覆盖\u003Cstrong>5 MHz至3000 MHz\u003C\u002Fstrong>。该组件支持手动控制和远程控制，配备F型母头连接器。射频连接器标注为输入（Input）和输出（Output），但衰减器支持双向工作，输入\u002F输出标注仅为命名惯例。\u003C\u002Fp>\u003Ch3>型号配置示例\u003C\u002Fh3>\u003Cp>该系列按衰减器数量提供多种型号，均配备F型母头连接器：\u003C\u002Fp>\u003Cul>\u003Cli>75PA-136-01 F：1个衰减器\u003C\u002Fli>\u003Cli>75PA-136-02 F：2个衰减器\u003C\u002Fli>\u003Cli>75PA-136-03 F：3个衰减器\u003C\u002Fli>\u003Cli>75PA-136-04 F：4个衰减器\u003C\u002Fli>\u003Cli>75PA-136-05 F：5个衰减器\u003C\u002Fli>\u003Cli>75PA-136-06 F：6个衰减器\u003C\u002Fli>\u003Cli>75PA-136-07 F：7个衰减器\u003C\u002Fli>\u003Cli>75PA-136-08 F：8个衰减器\u003C\u002Fli>\u003Cli>75PA-136-09 F：9个衰减器\u003C\u002Fli>\u003Cli>75PA-136-10 F：10个衰减器\u003C\u002Fli>\u003Cli>75PA-136-11 F：11个衰减器\u003C\u002Fli>\u003Cli>75PA-136-12 F：12个衰减器\u003C\u002Fli>\u003Cli>75PA-136-13 F：13个衰减器\u003C\u002Fli>\u003Cli>75PA-136-14 F：14个衰减器\u003C\u002Fli>\u003Cli>75PA-136-15 F：15个衰减器\u003C\u002Fli>\u003Cli>75PA-136-16 F：16个衰减器\u003C\u002Fli>\u003C\u002Ful>\u003Ch3>手动控制\u003C\u002Fh3>\u003Cp>手动控制菜单允许用户设置或读取衰减器参数、执行衰减器渐变操作，或使用两个衰减器进行切换操作。设备配备显示屏和键盘，便于现场操作。\u003C\u002Fp>\u003Ch3>远程控制\u003C\u002Fh3>\u003Cp>该衰减器组件支持通过\u003Cstrong>以太网连接\u003C\u002Fstrong>或\u003Cstrong>串行连接（RS-232）\u003C\u002Fstrong>进行远程控制。\u003C\u002Fp>\u003Cul>\u003Cli>\u003Cstrong>网络设置：\u003C\u002Fstrong>可通过键盘手动更改或使用NET远程命令进行更改，网络接口支持DHCP模式或固定地址模式，出厂默认为DHCP模式。\u003C\u002Fli>\u003Cli>\u003Cstrong>串行连接：\u003C\u002Fstrong>使用交叉串口线（null modem）连接测试系统，波特率最高可达155200 baud，可通过键盘手动更改或使用SERIAL远程命令进行更改。\u003C\u002Fli>\u003C\u002Ful>\u003Ch3>主要技术参数\u003C\u002Fh3>\u003Cul>\u003Cli>\u003Cstrong>阻抗：\u003C\u002Fstrong>75 Ohm\u003C\u002Fli>\u003Cli>\u003Cstrong>频率范围：\u003C\u002Fstrong>5 MHz - 3000 MHz\u003C\u002Fli>\u003Cli>\u003Cstrong>衰减范围：\u003C\u002Fstrong>0 - 95 dB\u003C\u002Fli>\u003Cli>\u003Cstrong>衰减步进：\u003C\u002Fstrong>1 dB\u003C\u002Fli>\u003Cli>\u003Cstrong>衰减器类型：\u003C\u002Fstrong>固态步进衰减器\u003C\u002Fli>\u003Cli>\u003Cstrong>衰减器数量：\u003C\u002Fstrong>可选1至16个\u003C\u002Fli>\u003Cli>\u003Cstrong>连接器类型：\u003C\u002Fstrong>F型母头\u003C\u002Fli>\u003Cli>\u003Cstrong>安装方式：\u003C\u002Fstrong>19英寸机架式\u003C\u002Fli>\u003Cli>\u003Cstrong>控制方式：\u003C\u002Fstrong>手动（显示屏和键盘）\u002F 远程（以太网、RS-232）\u003C\u002Fli>\u003C\u002Ful>","[{\"name\":\"75PA-136-16-F-programmable-attenuator-assembly-19-inch-rack-75-Ohm.jpg\",\"preview\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F28\u002F235ba9b2-fd66-45e6-9374-e0491e77d002.jpg\",\"size\":58269,\"thumbnail\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F28\u002F235ba9b2-fd66-45e6-9374-e0491e77d002.jpg\",\"url\":\"image\u002F2026\u002F05\u002F28\u002F235ba9b2-fd66-45e6-9374-e0491e77d002.jpg\"}]","JFW 75PA-136-XX 多通道固态步进衰减器组件 | 5-3000MHz 75欧姆","JFW Industries 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