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50P-1941 可编程继电器步进衰减器 | DC-3000MHz 0-15dB 10W 50欧姆","JFW Industries 50P-1941 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21:46:51","2026-05-28 21:46:50",153779,3991,"153779","JFW 50P-1953 继电器可编程衰减器 DC-2500MHz","50P-1953","JFW 50P-1953是一款50欧姆继电器可编程衰减器，衰减范围0至120dB，步进10dB，工作频率DC-2500MHz，额定射频输入功率1W，支持+12Vdc控制，提供多种同轴连接器可选。","\u003Ch3>产品概述\u003C\u002Fh3>\u003Cp>JFW 50P-1953是一款50欧姆继电器可编程衰减器，衰减范围为0至120dB，步进10dB。工作频率覆盖DC-2500MHz，额定射频输入功率为1W。该步进衰减器提供BNC、N、SMA或TNC同轴射频连接器可选。\u003C\u002Fp>\u003Cp>该衰减器具有五个独立控制的衰减阶：\u003Cstrong>10dB、20dB、30dB、30dB和30dB\u003C\u002Fstrong>，可通过组合激活多个衰减阶来实现多种衰减值设定。\u003C\u002Fp>\u003Ch3>控制方式\u003C\u002Fh3>\u003Cp>\u003Cstrong>+12Vdc控制\u003C\u002Fstrong>\u003C\u002Fp>\u003Cp>每个衰减阶都有对应的焊接馈通接口，用于施加控制电压。向焊接馈通接口施加+12Vdc将激活该阶的衰减功能。内部继电器采用故障安全设计，默认设置为直通路径（即0dB状态）。焊接馈通接口处于开路或接地状态时，该阶衰减关闭。\u003C\u002Fp>\u003Cp>可同时激活多个衰减阶以设定组合衰减值：\u003C\u002Fp>\u003Cul>\u003Cli>\u003Cstrong>40dB设定：\u003C\u002Fstrong>需激活10dB和30dB控制线\u003C\u002Fli>\u003Cli>\u003Cstrong>50dB设定：\u003C\u002Fstrong>需激活20dB和30dB控制线\u003C\u002Fli>\u003Cli>\u003Cstrong>0dB设定（插入损耗状态）：\u003C\u002Fstrong>所有控制线关闭（接地或开路）\u003C\u002Fli>\u003C\u002Ful>\u003Ch3>技术参数\u003C\u002Fh3>\u003Cul>\u003Cli>\u003Cstrong>型号：\u003C\u002Fstrong>50P-1953\u003C\u002Fli>\u003Cli>\u003Cstrong>类型：\u003C\u002Fstrong>继电器可编程衰减器\u003C\u002Fli>\u003Cli>\u003Cstrong>阻抗：\u003C\u002Fstrong>50 Ohm\u003C\u002Fli>\u003Cli>\u003Cstrong>总衰减：\u003C\u002Fstrong>120 dB\u003C\u002Fli>\u003Cli>\u003Cstrong>衰减步进：\u003C\u002Fstrong>10 dB\u003C\u002Fli>\u003Cli>\u003Cstrong>频率范围：\u003C\u002Fstrong>DC-2500 MHz\u003C\u002Fli>\u003Cli>\u003Cstrong>切换速度：\u003C\u002Fstrong>6 mS\u003C\u002Fli>\u003Cli>\u003Cstrong>射频输入功率：\u003C\u002Fstrong>1 Watt\u003C\u002Fli>\u003Cli>\u003Cstrong>控制电压：\u003C\u002Fstrong>+12 Vdc\u003C\u002Fli>\u003Cli>\u003Cstrong>射频连接器：\u003C\u002Fstrong>BNC、N、SMA、TNC\u003C\u002Fli>\u003C\u002Ful>","[{\"name\":\"50P-1953-SMA-programmable-attenuator-50-Ohm-relay-120dB-attenuation-10dB-steps.jpg\",\"preview\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F28\u002F60168282-139b-4420-968f-afcc306147a0.jpg\",\"size\":56146,\"thumbnail\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F28\u002F60168282-139b-4420-968f-afcc306147a0.jpg\",\"url\":\"image\u002F2026\u002F05\u002F28\u002F60168282-139b-4420-968f-afcc306147a0.jpg\"}]","JFW 50P-1953 可编程衰减器 | DC-2500MHz 0-120dB 继电器衰减器","JFW 50P-1953可编程衰减器，50欧姆阻抗，衰减范围0-120dB，步进10dB，频率DC-2500MHz，切换速度6mS，+12Vdc控制，支持BNC\u002FN\u002FSMA\u002FTNC连接器，适用于射频测试与信号调节。",{"createBy":6,"createTime":6,"updateBy":6,"updateTime":6,"remark":6,"id":877,"siteId":6,"slug":887,"name":888,"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":69,"name":70,"images":6,"files":6,"subtitle":6,"isHot":6,"status":6,"sort":6,"seoTitle":6,"seoDescription":6,"seoKeywords":6},{"createBy":6,"createTime":936,"updateBy":6,"updateTime":937,"remark":6,"id":938,"siteId":7,"sourceId":939,"categoryId":66,"brandId":877,"slug":940,"name":941,"code":6,"model":942,"subtitle":943,"description":944,"images":945,"files":6,"attributes":6,"price":6,"currency":6,"isHot":6,"status":13,"sort":13,"seoTitle":946,"seoDescription":947,"seoKeywords":6,"brand":948,"category":949},"2026-05-28 21:46:20","2026-05-28 21:46:19",153778,3990,"153778","JFW 50P-1974 可编程继电器衰减器","50P-1974","JFW 50P-1974是一款50欧姆继电器可编程衰减器，衰减范围0至127dB，步进1dB，工作频率DC-250MHz，支持+12Vdc控制，提供BNC、N、SMA、TNC连接器可选，适用于射频信号精确衰减控制应用。","\u003Ch3>产品概述\u003C\u002Fh3>\u003Cp>JFW 50P-1974 是一款50欧姆继电器可编程衰减器，衰减范围为0至127dB，步进精度1dB。该器件工作频率覆盖DC-250MHz，额定射频输入功率为2瓦。提供BNC、N、SMA和TNC同轴射频连接器可选，满足多种系统集成需求。\u003C\u002Fp>\u003Ch3>工作原理\u003C\u002Fh3>\u003Cp>该衰减器内置七个独立控制衰减档位：\u003Cstrong>1dB、2dB、4dB、8dB、16dB、32dB和64dB\u003C\u002Fstrong>。通过同时激活多个档位，可实现任意组合衰减值。例如，设置5dB衰减需同时激活1dB和4dB控制线；设置15dB衰减需同时激活1dB、2dB、4dB和8dB控制线。\u003C\u002Fp>\u003Ch3>控制方式\u003C\u002Fh3>\u003Cp>每个衰减档位对应一个焊接馈通端子，用于施加控制电压。向馈通端子施加\u003Cstrong>+12Vdc\u003C\u002Fstrong>电压即可开启对应档位的衰减。内部继电器采用故障安全设计，默认导通路径为0dB状态。馈通端子处于开路或接地状态时，对应档位衰减关闭。将衰减器设置为插入损耗状态（即0dB）时，所有控制线必须关闭（接地或开路）。\u003C\u002Fp>\u003Ch3>主要特性\u003C\u002Fh3>\u003Cul>\u003Cli>\u003Cstrong>阻抗：\u003C\u002Fstrong>50欧姆\u003C\u002Fli>\u003Cli>\u003Cstrong>总衰减范围：\u003C\u002Fstrong>0至127dB\u003C\u002Fli>\u003Cli>\u003Cstrong>步进精度：\u003C\u002Fstrong>1dB\u003C\u002Fli>\u003Cli>\u003Cstrong>频率范围：\u003C\u002Fstrong>DC-250MHz\u003C\u002Fli>\u003Cli>\u003Cstrong>切换速度：\u003C\u002Fstrong>6毫秒\u003C\u002Fli>\u003Cli>\u003Cstrong>射频输入功率：\u003C\u002Fstrong>2瓦\u003C\u002Fli>\u003Cli>\u003Cstrong>控制电压：\u003C\u002Fstrong>+12Vdc\u003C\u002Fli>\u003Cli>\u003Cstrong>射频连接器：\u003C\u002Fstrong>BNC、N、SMA、TNC可选\u003C\u002Fli>\u003Cli>\u003Cstrong>继电器类型：\u003C\u002Fstrong>故障安全型，默认0dB导通\u003C\u002Fli>\u003C\u002Ful>","[{\"name\":\"50P-1974-SMA-programmable-attenuator-50-Ohm-relay-127dB-attenuation-1dB-steps.jpg\",\"preview\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F28\u002F41f70c6a-f8bb-4777-b44a-69a5e20d27a0.jpg\",\"size\":57169,\"thumbnail\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F28\u002F41f70c6a-f8bb-4777-b44a-69a5e20d27a0.jpg\",\"url\":\"image\u002F2026\u002F05\u002F28\u002F41f70c6a-f8bb-4777-b44a-69a5e20d27a0.jpg\"}]","JFW 50P-1974 可编程继电器衰减器 DC-250MHz 0-127dB 50欧姆","JFW 50P-1974可编程继电器衰减器，50欧姆阻抗，衰减范围0-127dB，步进1dB，频率DC-250MHz，+12Vdc控制，支持BNC\u002FN\u002FSMA\u002FTNC连接器，适用于射频信号精确衰减控制。",{"createBy":6,"createTime":6,"updateBy":6,"updateTime":6,"remark":6,"id":877,"siteId":6,"slug":887,"name":888,"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":69,"name":70,"images":6,"files":6,"subtitle":6,"isHot":6,"status":6,"sort":6,"seoTitle":6,"seoDescription":6,"seoKeywords":6},{"createBy":6,"createTime":951,"updateBy":6,"updateTime":952,"remark":6,"id":953,"siteId":7,"sourceId":954,"categoryId":66,"brandId":877,"slug":955,"name":956,"code":6,"model":957,"subtitle":958,"description":959,"images":960,"files":6,"attributes":6,"price":6,"currency":6,"isHot":6,"status":13,"sort":13,"seoTitle":961,"seoDescription":962,"seoKeywords":6,"brand":963,"category":964},"2026-05-28 21:45:44","2026-05-28 21:45:43",153777,3989,"153777","JFW Industries 50P-1975 可编程继电器衰减器 DC-500MHz 0-127dB","50P-1975","JFW 50P-1975是一款50欧姆继电器可编程衰减器，衰减范围0至127dB，步进1dB，工作频率DC-500MHz，额定射频输入功率2W，支持+12Vdc控制，提供BNC、N、SMA、TNC等多种射频连接器选项。","\u003Ch3>产品概述\u003C\u002Fh3>\u003Cp>型号50P-1975是JFW Industries推出的50欧姆继电器可编程衰减器，衰减范围为0至127dB，步进精度为1dB。该器件工作频率覆盖DC-500MHz，额定射频输入功率为2W。此款步进衰减器可选配BNC、N、SMA或TNC同轴射频连接器。衰减器内部设有七个独立控制的衰减档位：\u003Cstrong>1dB、2dB、4dB、8dB、16dB、32dB和64dB\u003C\u002Fstrong>。\u003C\u002Fp>\u003Ch3>控制方式\u003C\u002Fh3>\u003Cp>每个衰减档位均对应一个焊接馈通端子，用于施加控制电压。向对应馈通端子施加\u003Cstrong>+12Vdc\u003C\u002Fstrong>电压即可激活该档位的衰减功能。内部继电器采用故障安全设计，默认保持直通状态（即0dB设置）。馈通端子处于开路或接地状态时，对应档位的衰减功能关闭。\u003C\u002Fp>\u003Ch3>组合衰减设置\u003C\u002Fh3>\u003Cp>可同时激活多个档位以实现组合衰减值：\u003C\u002Fp>\u003Cul>\u003Cli>设置\u003Cstrong>5dB\u003C\u002Fstrong>衰减：需同时激活1dB和4dB控制线\u003C\u002Fli>\u003Cli>设置\u003Cstrong>15dB\u003C\u002Fstrong>衰减：需同时激活1dB、2dB、4dB和8dB控制线\u003C\u002Fli>\u003Cli>设置\u003Cstrong>0dB\u003C\u002Fstrong>（插入损耗状态）：所有控制线关闭（接地或开路）\u003C\u002Fli>\u003C\u002Ful>\u003Ch3>核心参数\u003C\u002Fh3>\u003Cul>\u003Cli>\u003Cstrong>阻抗：\u003C\u002Fstrong>50欧姆\u003C\u002Fli>\u003Cli>\u003Cstrong>衰减范围：\u003C\u002Fstrong>0-127dB\u003C\u002Fli>\u003Cli>\u003Cstrong>步进精度：\u003C\u002Fstrong>1dB\u003C\u002Fli>\u003Cli>\u003Cstrong>频率范围：\u003C\u002Fstrong>DC-500MHz\u003C\u002Fli>\u003Cli>\u003Cstrong>切换速度：\u003C\u002Fstrong>6ms\u003C\u002Fli>\u003Cli>\u003Cstrong>射频输入功率：\u003C\u002Fstrong>2W\u003C\u002Fli>\u003Cli>\u003Cstrong>控制电压：\u003C\u002Fstrong>+12Vdc\u003C\u002Fli>\u003Cli>\u003Cstrong>射频连接器：\u003C\u002Fstrong>BNC、N、SMA、TNC可选\u003C\u002Fli>\u003C\u002Ful>","[{\"name\":\"50P-1975-SMA-programmable-attenuator-50-Ohm-relay-127dB-attenuation-1dB-steps.jpg\",\"preview\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F28\u002F02245686-2c9b-4641-a151-62a16b35e85b.jpg\",\"size\":57169,\"thumbnail\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F28\u002F02245686-2c9b-4641-a151-62a16b35e85b.jpg\",\"url\":\"image\u002F2026\u002F05\u002F28\u002F02245686-2c9b-4641-a151-62a16b35e85b.jpg\"}]","JFW 50P-1975 可编程继电器衰减器 | DC-500MHz 0-127dB 50欧姆","JFW Industries 50P-1975可编程继电器衰减器，50欧姆阻抗，DC-500MHz频率范围，0-127dB衰减范围，1dB步进，+12Vdc控制，支持BNC\u002FN\u002FSMA\u002FTNC连接器，适用于射频测试与通信系统。",{"createBy":6,"createTime":6,"updateBy":6,"updateTime":6,"remark":6,"id":877,"siteId":6,"slug":887,"name":888,"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":69,"name":70,"images":6,"files":6,"subtitle":6,"isHot":6,"status":6,"sort":6,"seoTitle":6,"seoDescription":6,"seoKeywords":6},{"createBy":6,"createTime":966,"updateBy":6,"updateTime":966,"remark":6,"id":967,"siteId":7,"sourceId":968,"categoryId":66,"brandId":877,"slug":969,"name":970,"code":6,"model":971,"subtitle":972,"description":973,"images":974,"files":6,"attributes":6,"price":6,"currency":6,"isHot":6,"status":13,"sort":13,"seoTitle":975,"seoDescription":976,"seoKeywords":6,"brand":977,"category":978},"2026-05-28 21:45:26",153776,3988,"153776","JFW 50P-1976 可编程继电器衰减器 DC-1000MHz 0-127dB","50P-1976","JFW 50P-1976 是一款50欧姆继电器可编程衰减器，衰减范围0至127dB，步进1dB，工作频率DC-1000 MHz，额定射频输入功率2瓦，支持BNC、N、SMA、TNC连接器可选，+12Vdc控制。","\u003Ch3>产品概述\u003C\u002Fh3>\u003Cp>JFW 50P-1976 是一款 \u003Cstrong>50 欧姆继电器可编程衰减器\u003C\u002Fstrong>，衰减范围为 0 至 127dB，步进为 1dB。工作频率覆盖 DC-1000 MHz，额定射频输入功率为 2 瓦。该步进衰减器提供 BNC、N、SMA 或 TNC 同轴射频连接器可选。衰减器内部设有七个独立控制的衰减档位：\u003Cstrong>1dB、2dB、4dB、8dB、16dB、32dB 和 64dB\u003C\u002Fstrong>。\u003C\u002Fp>\u003Ch3>+12Vdc 控制方式\u003C\u002Fh3>\u003Cp>每个衰减档位对应一个焊接馈通端子，用于施加控制电压。向焊接馈通端子施加 \u003Cstrong>+12Vdc\u003C\u002Fstrong> 即可开启该档位的衰减功能。内部继电器采用故障安全设计，默认保持在直通路径状态（即 0dB 设置）。当焊接馈通端子处于开路或接地状态时，该档位的衰减功能关闭。可同时激活多个档位以实现组合衰减值。例如，设置 5dB 衰减时，需激活 1dB 和 4dB 控制线；设置 15dB 衰减时，需同时激活 1dB、2dB、4dB 和 8dB 控制线。若需将衰减器设置为插入损耗状态（即 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21:44:31","2026-05-28 21:44:30",153774,3986,"153774","JFW Industries 50P-2033 可编程继电器衰减器 DC-1000MHz 0-1.5dB","50P-2033","JFW 50P-2033是一款50欧姆继电器可编程衰减器，频率覆盖DC至1000MHz，衰减范围0-1.5dB，步进0.1dB，额定功率1瓦，支持+12Vdc控制，可选N、SMA、TNC连接器。","\u003Ch3>产品概述\u003C\u002Fh3>\u003Cp>JFW Industries 50P-2033 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Industries 50P-2033 可编程继电器衰减器 DC-1000MHz","JFW 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21:43:54","2026-05-28 21:43:53",153773,3985,"153773","JFW Industries 50P-2041 可编程继电器衰减器 DC-100MHz 0-127dB","50P-2041","JFW 50P-2041是一款50欧姆继电器可编程衰减器，衰减范围0至127dB，步进1dB，工作频率DC-100MHz，支持+12Vdc控制，提供BNC、N、SMA及TNC多种射频连接器选择，适用于射频信号精确衰减控制场景。","\u003Ch3>产品概述\u003C\u002Fh3>\u003Cp>JFW Industries 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Industries 50P-2041 可编程继电器衰减器 DC-100MHz 0-127dB 50欧姆","JFW Industries 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19:17:36","2026-05-28 19:17:35",153527,3739,"153527","JFW Industries 75PA-076 双通道继电器步进衰减器组件","75PA-076","JFW Industries 75PA-076 是一款台式双通道衰减器组件，包含两个75欧姆继电器步进衰减器，衰减范围0至63dB，步进1dB，工作频率DC-2150 MHz，支持手动及以太网\u002FRS-232远程控制，配备F型母头同轴射频连接器。","\u003Ch3>产品概述\u003C\u002Fh3>\u003Cp>75PA-076 是 JFW Industries 推出的一款台式衰减器组件，内含\u003Cstrong>2个继电器步进衰减器\u003C\u002Fstrong>，阻抗为\u003Cstrong>75欧姆\u003C\u002Fstrong>。衰减范围为\u003Cstrong>0至63dB\u003C\u002Fstrong>，步进\u003Cstrong>1dB\u003C\u002Fstrong>，工作频率覆盖\u003Cstrong>DC至2150 MHz\u003C\u002Fstrong>。衰减器支持双向传输，可通过前面板手动控制或远程控制。设备配备75欧姆F型母头同轴射频连接器，连接器位于前面板上。\u003C\u002Fp>\u003Ch3>默认设置\u003C\u002Fh3>\u003Cp>配备以太网\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>，串口波特率默认设置为\u003Cstrong>57600\u003C\u002Fstrong>。这些设置可通过前面板键盘手动更改，也可通过 NET 或 SERIAL 远程命令进行修改。前面板显示屏可显示网络模式、IP地址和波特率的当前设置。\u003C\u002Fp>\u003Ch3>手动控制\u003C\u002Fh3>\u003Cp>手动控制菜单允许用户设置每个衰减器地址的衰减量。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。网络设置可通过前面板键盘手动更改，也可使用 NET 远程命令进行远程修改。网络接口可设置为DHCP模式或固定地址模式。RS-232连接至测试系统时需使用零调制解调器型串口电缆，支持最高\u003Cstrong>155200波特率\u003C\u002Fstrong>。波特率可通过键盘手动更改，也可通过 SERIAL 远程命令远程修改。\u003C\u002Fp>\u003Ch3>远程命令集\u003C\u002Fh3>\u003Cp>JFW Industries 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的语法和示例。固件采用简单的\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，系统将返回该测试系统所有远程命令的列表。\u003C\u002Fp>","[{\"name\":\"75PA-076-F-attenuator-assembly-benchtop-75-ohm-rev-a.jpg\",\"preview\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F28\u002F8394dbd1-e9ab-4383-b674-4c607b7cad1f.jpg\",\"size\":176027,\"thumbnail\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F28\u002F8394dbd1-e9ab-4383-b674-4c607b7cad1f.jpg\",\"url\":\"image\u002F2026\u002F05\u002F28\u002F8394dbd1-e9ab-4383-b674-4c607b7cad1f.jpg\"}]","JFW Industries 75PA-076 双通道继电器步进衰减器组件 DC-2150MHz","JFW Industries 75PA-076 台式双通道75欧姆继电器步进衰减器组件，衰减范围0-63dB，1dB步进，频率DC-2150 MHz，支持以太网和RS-232远程控制，配备F型母头射频连接器。",{"createBy":6,"createTime":6,"updateBy":6,"updateTime":6,"remark":6,"id":877,"siteId":6,"slug":887,"name":888,"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":69,"name":70,"images":6,"files":6,"subtitle":6,"isHot":6,"status":6,"sort":6,"seoTitle":6,"seoDescription":6,"seoKeywords":6},{"createBy":6,"createTime":1040,"updateBy":6,"updateTime":1040,"remark":6,"id":1041,"siteId":7,"sourceId":1042,"categoryId":66,"brandId":877,"slug":1043,"name":1044,"code":6,"model":1045,"subtitle":1046,"description":1047,"images":1048,"files":6,"attributes":6,"price":6,"currency":6,"isHot":6,"status":13,"sort":13,"seoTitle":1049,"seoDescription":1050,"seoKeywords":6,"brand":1051,"category":1052},"2026-05-28 19:11:59",153516,3728,"153516","JFW Industries 75PA-068 四通道继电器步进衰减器组件","75PA-068","JFW 75PA-068 是一款19英寸机架安装式衰减器组件，内置4个继电器步进衰减器，阻抗75欧姆，频率范围DC-1000 MHz，衰减范围0至63.75 dB，步进0.25 dB，支持手动与远程（以太网\u002FRS-232）控制，配备F型母头75欧姆同轴射频连接器。","\u003Ch3>产品概述\u003C\u002Fh3>\u003Cp>JFW 75PA-068 是一款19英寸机架安装式衰减器组件，内置\u003Cstrong>4个继电器步进衰减器\u003C\u002Fstrong>，阻抗为75欧姆。衰减器的衰减范围为0至63.75 dB，步进精度为\u003Cstrong>0.25 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，可通过面板手动控制或远程控制。产品标配\u003Cstrong>F型母头75欧姆同轴射频连接器\u003C\u002Fstrong>。\u003C\u002Fp>\u003Ch3>默认设置\u003C\u002Fh3>\u003Cp>配备以太网\u002FRS-232远程控制功能的衰减器组件出厂时，网络接口默认设置为\u003Cstrong>DHCP模式\u003C\u002Fstrong>，串口波特率默认设置为\u003Cstrong>57600\u003C\u002Fstrong>。这些设置可通过前面板按键手动更改，也可使用NET或SERIAL远程命令进行远程修改。前面板显示屏可实时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定衰减值。浏览衰减器地址编号时，屏幕将显示当前对应的dB设定值，操作直观便捷。\u003C\u002Fp>\u003Ch3>远程衰减控制\u003C\u002Fh3>\u003Cp>该衰减器组件支持通过\u003Cstrong>以太网连接\u003C\u002Fstrong>或\u003Cstrong>串口连接（RS-232）\u003C\u002Fstrong>进行远程控制。网络设置可通过前面板按键手动更改，也可使用NET远程命令进行修改。网络接口可设置为\u003Cstrong>DHCP模式\u003C\u002Fstrong>或\u003Cstrong>固定地址模式\u003C\u002Fstrong>。RS-232连接使用交叉（null 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 MHz\u003C\u002Fli>\u003Cli>\u003Cstrong>手动控制：\u003C\u002Fstrong>显示屏与按键\u003C\u002Fli>\u003Cli>\u003Cstrong>远程控制：\u003C\u002Fstrong>以太网 \u002F RS-232\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\u003C\u002Fli>\u003Cli>\u003Cstrong>安装方式：\u003C\u002Fstrong>19英寸机架安装\u003C\u002Fli>\u003Cli>\u003Cstrong>传输方向：\u003C\u002Fstrong>双向\u003C\u002Fli>\u003C\u002Ful>","[{\"name\":\"75PA-068-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\u002F28e6a044-67af-4052-ad6b-5f4a6be1afac.jpg\",\"size\":48940,\"thumbnail\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F28\u002F28e6a044-67af-4052-ad6b-5f4a6be1afac.jpg\",\"url\":\"image\u002F2026\u002F05\u002F28\u002F28e6a044-67af-4052-ad6b-5f4a6be1afac.jpg\"}]","JFW 75PA-068 四通道继电器步进衰减器组件 DC-1000MHz 75欧姆","JFW Industries 75PA-068 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 dB），支持手动及以太网\u002FRS-232远程控制，19英寸机架安装设计。",{"createBy":6,"createTime":6,"updateBy":6,"updateTime":6,"remark":6,"id":877,"siteId":6,"slug":887,"name":888,"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":69,"name":70,"images":6,"files":6,"subtitle":6,"isHot":6,"status":6,"sort":6,"seoTitle":6,"seoDescription":6,"seoKeywords":6},"查询成功"]