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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 MHz\u003C\u002Fstrong>。衰减器支持双向传输，配备F型母头75欧姆同轴射频连接器，连接器位于后面板。\u003C\u002Fp>\u003Ch3>默认设置\u003C\u002Fh3>\u003Cp>带有以太网\u002FRS-232远程控制的衰减器组件出厂时网络接口默认设置为\u003Cstrong>DHCP模式\u003C\u002Fstrong>，串口波特率默认为\u003Cstrong>57600\u003C\u002Fstrong>。这些设置可通过前面板按键手动更改，或通过NET或SERIAL远程命令进行远程修改。前面板显示屏可显示当前的网络模式、IP地址和波特率设置。\u003C\u002Fp>\u003Ch3>手动衰减控制\u003C\u002Fh3>\u003Cp>手动控制菜单允许用户为每个衰减器地址设置衰减值。滚动浏览衰减器地址编号时，将显示当前的dB设置值。\u003C\u002Fp>\u003Ch3>远程衰减控制\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>进行远程控制。网络设置可通过按键手动更改或使用NET远程命令远程修改。网络接口可设置为DHCP模式或固定地址模式。通过零调制解调器型串口电缆实现与测试系统的RS-232连接。波特率**高可达\u003Cstrong>155200\u003C\u002Fstrong>，可通过按键手动更改或使用SERIAL远程命令远程修改。\u003C\u002Fp>\u003Ch3>远程命令集\u003C\u002Fh3>\u003Cp>固件手册提供了**一代固件的完整说明，列出了所有远程命令及其语法和示例。固件采用简单的ASCII格式远程命令。如果连接到JFW测试系统并发送HELP命令，系统将返回该特定测试系统的所有远程命令列表。\u003C\u002Fp>","[{\"name\":\"75PA-074-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\u002Fd4e30ddf-eebf-4fe6-8f67-0c152a09c978.jpg\",\"size\":52114,\"thumbnail\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F28\u002Fd4e30ddf-eebf-4fe6-8f67-0c152a09c978.jpg\",\"url\":\"image\u002F2026\u002F05\u002F28\u002Fd4e30ddf-eebf-4fe6-8f67-0c152a09c978.jpg\"}]","JFW 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":6,"createTime":6,"updateBy":6,"updateTime":6,"remark":6,"id":880,"siteId":6,"slug":890,"name":891,"country":6,"images":6,"files":6,"subtitle":6,"description":6,"status":6,"isHot":6,"sort":6,"seoTitle":6,"seoDescription":6,"seoKeywords":6},{"createBy":6,"createTime":6,"updateBy":6,"updateTime":6,"remark":6,"id":66,"siteId":6,"parentId":6,"ancestors":6,"slug":68,"name":69,"images":6,"files":6,"subtitle":6,"isHot":6,"status":6,"sort":6,"seoTitle":6,"seoDescription":6,"seoKeywords":6},{"createBy":6,"createTime":991,"updateBy":6,"updateTime":991,"remark":6,"id":992,"siteId":7,"sourceId":993,"categoryId":66,"brandId":880,"slug":994,"name":995,"code":6,"model":996,"subtitle":997,"description":998,"images":999,"files":6,"attributes":6,"price":6,"currency":6,"isHot":6,"status":13,"sort":13,"seoTitle":1000,"seoDescription":1001,"seoKeywords":6,"brand":1002,"category":1003},"2026-05-28 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 F\u003C\u002Fstrong>：16路衰减器，F型母头连接器\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\u002F读取衰减器参数、对衰减器进行渐变操作，或使用两路衰减器执行切换操作。设备配备显示屏和键盘，便于本地操作。\u003C\u002Fp>\u003Ch3>远程衰减器控制\u003C\u002Fh3>\u003Cp>该衰减器组件可通过以太网连接或串行连接（如RS-232）进行远程控制。网络设置可通过键盘手动更改，也可使用NET远程命令进行远程配置。网络接口可设置为DHCP模式或固定地址模式，所有新测试系统出厂时默认为DHCP模式。\u003C\u002Fp>\u003Cp>通过RS-232连接至测试系统时，需使用零调制解调器型串行电缆。支持的波特率最高可达155200 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 19英寸机架式衰减器组件，75欧姆固态步进衰减器，1-16路可配置，0-95dB衰减范围，1dB步进，5-2150MHz频率，支持手动和远程控制，BNC\u002FF型连接器可选。",{"createBy":6,"createTime":6,"updateBy":6,"updateTime":6,"remark":6,"id":880,"siteId":6,"slug":890,"name":891,"country":6,"images":6,"files":6,"subtitle":6,"description":6,"status":6,"isHot":6,"sort":6,"seoTitle":6,"seoDescription":6,"seoKeywords":6},{"createBy":6,"createTime":6,"updateBy":6,"updateTime":6,"remark":6,"id":66,"siteId":6,"parentId":6,"ancestors":6,"slug":68,"name":69,"images":6,"files":6,"subtitle":6,"isHot":6,"status":6,"sort":6,"seoTitle":6,"seoDescription":6,"seoKeywords":6},{"createBy":6,"createTime":1005,"updateBy":6,"updateTime":1005,"remark":6,"id":1006,"siteId":7,"sourceId":1007,"categoryId":66,"brandId":880,"slug":1008,"name":1009,"code":6,"model":1010,"subtitle":1011,"description":1012,"images":1013,"files":6,"attributes":6,"price":6,"currency":6,"isHot":6,"status":13,"sort":13,"seoTitle":1014,"seoDescription":1015,"seoKeywords":6,"brand":1016,"category":1017},"2026-05-28 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 — 16通道衰减器，F型母头连接器\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状态、执行衰减器渐变（fade）操作，或使用两个衰减器执行切换（handover）操作。设备配备\u003Cstrong>显示屏和键盘\u003C\u002Fstrong>，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远程命令远程更改，支持DHCP模式或固定地址模式。所有新测试系统出厂时默认为DHCP模式。\u003C\u002Fli>\u003Cli>\u003Cstrong>串行连接\u003C\u002Fstrong>：使用零调制解调器（null modem）型串行电缆连接测试系统，支持高达155200波特率，可通过键盘手动更改或使用SERIAL远程命令远程更改。\u003C\u002Fli>\u003C\u002Ful>\u003Ch3>远程命令集\u003C\u002Fh3>\u003Cp>JFW Industries提供最新一代固件手册（firmware 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":6,"createTime":6,"updateBy":6,"updateTime":6,"remark":6,"id":880,"siteId":6,"slug":890,"name":891,"country":6,"images":6,"files":6,"subtitle":6,"description":6,"status":6,"isHot":6,"sort":6,"seoTitle":6,"seoDescription":6,"seoKeywords":6},{"createBy":6,"createTime":6,"updateBy":6,"updateTime":6,"remark":6,"id":66,"siteId":6,"parentId":6,"ancestors":6,"slug":68,"name":69,"images":6,"files":6,"subtitle":6,"isHot":6,"status":6,"sort":6,"seoTitle":6,"seoDescription":6,"seoKeywords":6},{"createBy":6,"createTime":1019,"updateBy":6,"updateTime":1020,"remark":6,"id":1021,"siteId":7,"sourceId":1022,"categoryId":66,"brandId":880,"slug":1023,"name":1024,"code":6,"model":1025,"subtitle":1026,"description":1027,"images":1028,"files":6,"attributes":6,"price":6,"currency":6,"isHot":6,"status":13,"sort":13,"seoTitle":1029,"seoDescription":1030,"seoKeywords":6,"brand":1031,"category":1032},"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":6,"createTime":6,"updateBy":6,"updateTime":6,"remark":6,"id":880,"siteId":6,"slug":890,"name":891,"country":6,"images":6,"files":6,"subtitle":6,"description":6,"status":6,"isHot":6,"sort":6,"seoTitle":6,"seoDescription":6,"seoKeywords":6},{"createBy":6,"createTime":6,"updateBy":6,"updateTime":6,"remark":6,"id":66,"siteId":6,"parentId":6,"ancestors":6,"slug":68,"name":69,"images":6,"files":6,"subtitle":6,"isHot":6,"status":6,"sort":6,"seoTitle":6,"seoDescription":6,"seoKeywords":6},{"createBy":6,"createTime":1034,"updateBy":6,"updateTime":1035,"remark":6,"id":1036,"siteId":7,"sourceId":1037,"categoryId":66,"brandId":880,"slug":1038,"name":1039,"code":6,"model":1040,"subtitle":1041,"description":1042,"images":1043,"files":6,"attributes":6,"price":6,"currency":6,"isHot":6,"status":13,"sort":13,"seoTitle":1044,"seoDescription":1045,"seoKeywords":6,"brand":1046,"category":1047},"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 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