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22:09:52","2026-05-28 22:09:51",153822,4034,"153822","JFW 75P-093 可编程继电器衰减器 DC-1000MHz 0-110dB","75P-093","JFW 75P-093 是一款75欧姆继电器可编程衰减器，衰减范围0至110dB，步进10dB，工作频率DC-1000 MHz，支持+12Vdc控制电压，额定射频输入功率1瓦，提供BNC、F及N型同轴连接器选项。","\u003Ch3>产品概述\u003C\u002Fh3>\u003Cp>JFW 75P-093 是一款75欧姆继电器可编程衰减器，衰减范围为0至110dB，步进为10dB。该器件工作频率覆盖DC至1000 MHz，额定射频输入功率为1瓦。此步进衰减器提供75欧姆BNC、F型或N型母头同轴射频连接器，适用于多种射频测试与系统集成应用。\u003C\u002Fp>\u003Ch3>衰减步进结构\u003C\u002Fh3>\u003Cp>该衰减器具有六个独立控制的衰减步进，分别为：\u003Cstrong>10dB、20dB、20dB、20dB、20dB 和 20dB\u003C\u002Fstrong>。通过组合激活不同的步进，可以实现0至110dB范围内的多种衰减值设定。\u003C\u002Fp>\u003Ch3>控制方式\u003C\u002Fh3>\u003Cp>\u003Cstrong>+12Vdc 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dB\u003C\u002Fli>\u003Cli>\u003Cstrong>频率范围：\u003C\u002Fstrong>DC - 1000 MHz\u003C\u002Fli>\u003Cli>\u003Cstrong>开关速度：\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、F型、N型（75欧姆母头同轴）\u003C\u002Fli>\u003C\u002Ful>","[{\"name\":\"75P-093-BNC-programmable-attenuator-75-Ohm-relay-110dB-attenuation-10dB-steps.jpg\",\"preview\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F28\u002F1aceb920-dbc4-4775-87e8-f422c586d0ac.jpg\",\"size\":62977,\"thumbnail\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F28\u002F1aceb920-dbc4-4775-87e8-f422c586d0ac.jpg\",\"url\":\"image\u002F2026\u002F05\u002F28\u002F1aceb920-dbc4-4775-87e8-f422c586d0ac.jpg\"}]","JFW 75P-093 可编程继电器衰减器 DC-1000MHz 0-110dB 75欧姆","JFW 75P-093 可编程继电器衰减器，75欧姆阻抗，衰减范围0-110dB，步进10dB，频率DC-1000MHz，+12Vdc控制，1瓦射频输入功率，支持BNC\u002FF\u002FN型连接器，适用于射频测试与系统集成。",{"createBy":6,"createTime":6,"updateBy":6,"updateTime":6,"remark":6,"id":895,"siteId":6,"slug":905,"name":906,"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":939,"updateBy":6,"updateTime":939,"remark":6,"id":940,"siteId":7,"sourceId":941,"categoryId":66,"brandId":895,"slug":942,"name":943,"code":6,"model":944,"subtitle":945,"description":946,"images":947,"files":6,"attributes":6,"price":6,"currency":6,"isHot":6,"status":13,"sort":13,"seoTitle":948,"seoDescription":949,"seoKeywords":6,"brand":950,"category":951},"2026-05-28 22:09:28",153821,4033,"153821","JFW Industries 75P-119 可编程继电器衰减器","75P-119","JFW 75P-119是一款75欧姆可编程继电器衰减器，频率范围DC-1000 MHz，衰减范围0-63 dB，步进1 dB，支持TTL控制，额定RF输入功率1瓦，提供BNC和F型同轴连接器。","\u003Ch3>产品概述\u003C\u002Fh3>\u003Cp>JFW 75P-119 是一款\u003Cstrong>75欧姆可编程继电器衰减器\u003C\u002Fstrong>，衰减范围为\u003Cstrong>0至63 dB\u003C\u002Fstrong>，步进精度为\u003Cstrong>1 dB\u003C\u002Fstrong>。该器件工作频率范围为\u003Cstrong>DC-1000 MHz\u003C\u002Fstrong>，额定RF输入功率为\u003Cstrong>1瓦\u003C\u002Fstrong>。该步进衰减器提供75欧姆BNC或F型母头同轴RF连接器可选。\u003C\u002Fp>\u003Ch3>衰减步进配置\u003C\u002Fh3>\u003Cp>该衰减器具有六个独立控制的衰减步进：\u003C\u002Fp>\u003Cul>\u003Cli>\u003Cstrong>1 dB\u003C\u002Fstrong>\u003C\u002Fli>\u003Cli>\u003Cstrong>2 dB\u003C\u002Fstrong>\u003C\u002Fli>\u003Cli>\u003Cstrong>4 dB\u003C\u002Fstrong>\u003C\u002Fli>\u003Cli>\u003Cstrong>8 dB\u003C\u002Fstrong>\u003C\u002Fli>\u003Cli>\u003Cstrong>16 dB\u003C\u002Fstrong>\u003C\u002Fli>\u003Cli>\u003Cstrong>32 dB\u003C\u002Fstrong>\u003C\u002Fli>\u003C\u002Ful>\u003Cp>通过组合不同的步进，可实现0至63 dB范围内任意1 dB整数倍的衰减值。\u003C\u002Fp>\u003Ch3>TTL控制方式\u003C\u002Fh3>\u003Cp>每个衰减步进对应一条独立的TTL控制线，共六条TTL控制线。控制逻辑如下：\u003C\u002Fp>\u003Cul>\u003Cli>\u003Cstrong>TTL高电平\u003C\u002Fstrong>：开启对应的衰减步进\u003C\u002Fli>\u003Cli>\u003Cstrong>TTL低电平\u003C\u002Fstrong>：关闭对应的衰减步进\u003C\u002Fli>\u003C\u002Ful>\u003Cp>可同时使用多条控制线来设定组合衰减值。例如：\u003C\u002Fp>\u003Cul>\u003Cli>激活\u003Cstrong>7 dB\u003C\u002Fstrong>设定：需将1 dB、2 dB、4 dB控制线同时设为TTL高电平\u003C\u002Fli>\u003Cli>激活\u003Cstrong>17 dB\u003C\u002Fstrong>设定：需将1 dB、16 dB控制线同时设为TTL高电平\u003C\u002Fli>\u003Cli>设定为插入损耗状态（即\u003Cstrong>0 dB\u003C\u002Fstrong>）：所有控制线均需设为TTL低电平\u003C\u002Fli>\u003C\u002Ful>\u003Ch3>主要技术参数\u003C\u002Fh3>\u003Cul>\u003Cli>\u003Cstrong>型号：\u003C\u002Fstrong>75P-119\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>75欧姆\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>频率范围：\u003C\u002Fstrong>DC-1000 MHz\u003C\u002Fli>\u003Cli>\u003Cstrong>开关速度：\u003C\u002Fstrong>6 mS\u003C\u002Fli>\u003Cli>\u003Cstrong>RF输入功率：\u003C\u002Fstrong>1瓦\u003C\u002Fli>\u003Cli>\u003Cstrong>控制方式：\u003C\u002Fstrong>TTL\u003C\u002Fli>\u003Cli>\u003Cstrong>RF连接器：\u003C\u002Fstrong>BNC、F型\u003C\u002Fli>\u003C\u002Ful>","[{\"name\":\"75P-119-BNC-programmable-attenuator-75-Ohm-relay-63dB-attenuation-1dB-steps.jpg\",\"preview\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F28\u002Fa0095608-8d49-4d35-94e9-141fdf8f9c74.jpg\",\"size\":51947,\"thumbnail\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F28\u002Fa0095608-8d49-4d35-94e9-141fdf8f9c74.jpg\",\"url\":\"image\u002F2026\u002F05\u002F28\u002Fa0095608-8d49-4d35-94e9-141fdf8f9c74.jpg\"}]","JFW Industries 75P-119 可编程继电器衰减器 DC-1000 MHz 0-63dB","JFW 75P-119是一款75欧姆可编程继电器衰减器，频率范围DC-1000 MHz，衰减范围0-63 dB，步进1 dB，TTL控制，开关速度6 mS，RF输入功率1瓦，支持BNC和F型连接器。",{"createBy":6,"createTime":6,"updateBy":6,"updateTime":6,"remark":6,"id":895,"siteId":6,"slug":905,"name":906,"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":953,"updateBy":6,"updateTime":953,"remark":6,"id":954,"siteId":7,"sourceId":955,"categoryId":66,"brandId":895,"slug":956,"name":957,"code":6,"model":958,"subtitle":959,"description":960,"images":961,"files":6,"attributes":6,"price":6,"currency":6,"isHot":6,"status":13,"sort":13,"seoTitle":962,"seoDescription":963,"seoKeywords":6,"brand":964,"category":965},"2026-05-28 22:08:58",153820,4032,"153820","JFW Industries 75P-135 75欧姆可编程继电器衰减器","75P-135","JFW Industries 75P-135是一款75欧姆可编程继电器衰减器，衰减范围0至25.5dB，步进0.1dB，工作频率DC-1000 MHz，支持TTL控制，射频输入功率0.5W，提供BNC、F、N、TNC多种连接器选项。","\u003Ch3>产品概述\u003C\u002Fh3>\u003Cp>JFW Industries 75P-135 是一款75欧姆继电器型可编程衰减器，衰减范围为0至25.5dB，步进精度为0.1dB。工作频率覆盖DC至1000 MHz，额定射频输入功率为0.5W。该步进衰减器可选配75欧姆BNC、F、N或TNC同轴射频连接器。\u003C\u002Fp>\u003Ch3>衰减步进\u003C\u002Fh3>\u003Cp>该衰减器具有八个独立控制的步进：\u003C\u002Fp>\u003Cul>\u003Cli>\u003Cstrong>0.1dB\u003C\u002Fstrong>\u003C\u002Fli>\u003Cli>\u003Cstrong>0.2dB\u003C\u002Fstrong>\u003C\u002Fli>\u003Cli>\u003Cstrong>0.4dB\u003C\u002Fstrong>\u003C\u002Fli>\u003Cli>\u003Cstrong>0.8dB\u003C\u002Fstrong>\u003C\u002Fli>\u003Cli>\u003Cstrong>1.6dB\u003C\u002Fstrong>\u003C\u002Fli>\u003Cli>\u003Cstrong>3.2dB\u003C\u002Fstrong>\u003C\u002Fli>\u003Cli>\u003Cstrong>6.4dB\u003C\u002Fstrong>\u003C\u002Fli>\u003Cli>\u003Cstrong>12.8dB\u003C\u002Fstrong>\u003C\u002Fli>\u003C\u002Ful>\u003Ch3>TTL控制方式\u003C\u002Fh3>\u003Cp>每个衰减步进对应一条独立的TTL控制线，本型号共有八条TTL控制线。TTL高电平开启对应衰减步进，TTL低电平关闭对应衰减步进。可同时使用多条控制线来设置组合衰减值。\u003C\u002Fp>\u003Cul>\u003Cli>激活0.7dB设置时，需将0.1dB\u002F0.2dB\u002F0.4dB控制线全部设为TTL高电平。\u003C\u002Fli>\u003Cli>激活2.4dB设置时，需将0.8dB\u002F1.6dB控制线设为TTL高电平。\u003C\u002Fli>\u003Cli>将衰减器设置为插入损耗状态（即0dB设置）时，所有控制线需设为TTL低电平。\u003C\u002Fli>\u003C\u002Ful>\u003Ch3>关键参数\u003C\u002Fh3>\u003Cul>\u003Cli>\u003Cstrong>型号：\u003C\u002Fstrong>75P-135\u003C\u002Fli>\u003Cli>\u003Cstrong>类型：\u003C\u002Fstrong>继电器型可编程衰减器\u003C\u002Fli>\u003Cli>\u003Cstrong>阻抗：\u003C\u002Fstrong>75 Ohm\u003C\u002Fli>\u003Cli>\u003Cstrong>总衰减量：\u003C\u002Fstrong>25.5 dB\u003C\u002Fli>\u003Cli>\u003Cstrong>步进精度：\u003C\u002Fstrong>0.1 dB\u003C\u002Fli>\u003Cli>\u003Cstrong>频率范围：\u003C\u002Fstrong>DC-1000 MHz\u003C\u002Fli>\u003Cli>\u003Cstrong>切换速度：\u003C\u002Fstrong>10 mS\u003C\u002Fli>\u003Cli>\u003Cstrong>射频输入功率：\u003C\u002Fstrong>0.5 Watts\u003C\u002Fli>\u003Cli>\u003Cstrong>控制方式：\u003C\u002Fstrong>TTL\u003C\u002Fli>\u003Cli>\u003Cstrong>射频连接器：\u003C\u002Fstrong>BNC, F, N, TNC\u003C\u002Fli>\u003C\u002Ful>","[{\"name\":\"75P-135-BNC-programmable-attenuator-75-Ohm-relay-25.5dB-attenuation-0.1dB-steps.jpg\",\"preview\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F28\u002Fcd459c33-e16c-48a9-84bc-e09fb67db21e.jpg\",\"size\":47876,\"thumbnail\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F28\u002Fcd459c33-e16c-48a9-84bc-e09fb67db21e.jpg\",\"url\":\"image\u002F2026\u002F05\u002F28\u002Fcd459c33-e16c-48a9-84bc-e09fb67db21e.jpg\"}]","JFW Industries 75P-135 75欧姆可编程继电器衰减器 DC-1000 MHz","JFW Industries 75P-135可编程继电器衰减器，75欧姆阻抗，衰减范围0-25.5dB，步进0.1dB，频率DC-1000 MHz，TTL控制，支持BNC\u002FF\u002FN\u002FTNC连接器，适用于射频测试与信号调节应用。",{"createBy":6,"createTime":6,"updateBy":6,"updateTime":6,"remark":6,"id":895,"siteId":6,"slug":905,"name":906,"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":967,"updateBy":6,"updateTime":968,"remark":6,"id":969,"siteId":7,"sourceId":970,"categoryId":66,"brandId":895,"slug":971,"name":972,"code":6,"model":973,"subtitle":974,"description":975,"images":976,"files":6,"attributes":6,"price":6,"currency":6,"isHot":6,"status":13,"sort":13,"seoTitle":977,"seoDescription":978,"seoKeywords":6,"brand":979,"category":980},"2026-05-28 22:08:29","2026-05-28 22:08:28",153819,4031,"153819","JFW 75P-154 继电器可编程衰减器","75P-154","JFW 75P-154 是一款75欧姆继电器可编程衰减器，衰减范围0至63.75dB，步进精度0.25dB，工作频率DC-1000 MHz，支持TTL控制，提供BNC、F、N、TNC连接器可选。","\u003Ch3>产品概述\u003C\u002Fh3>\u003Cp>JFW Industries 75P-154 是一款75欧姆继电器可编程衰减器，衰减范围为0至63.75dB，步进精度为0.25dB。该衰减器工作频率覆盖DC至1000 MHz，额定射频输入功率为0.5瓦。提供75欧姆BNC、F、N或TNC同轴射频连接器可选。\u003C\u002Fp>\u003Ch3>衰减步进\u003C\u002Fh3>\u003Cp>该步进衰减器具有八个独立控制的衰减步进：\u003C\u002Fp>\u003Cul>\u003Cli>\u003Cstrong>0.25dB\u003C\u002Fstrong>\u003C\u002Fli>\u003Cli>\u003Cstrong>0.5dB\u003C\u002Fstrong>\u003C\u002Fli>\u003Cli>\u003Cstrong>1dB\u003C\u002Fstrong>\u003C\u002Fli>\u003Cli>\u003Cstrong>2dB\u003C\u002Fstrong>\u003C\u002Fli>\u003Cli>\u003Cstrong>4dB\u003C\u002Fstrong>\u003C\u002Fli>\u003Cli>\u003Cstrong>8dB\u003C\u002Fstrong>\u003C\u002Fli>\u003Cli>\u003Cstrong>16dB\u003C\u002Fstrong>\u003C\u002Fli>\u003Cli>\u003Cstrong>32dB\u003C\u002Fstrong>\u003C\u002Fli>\u003C\u002Ful>\u003Ch3>TTL控制方式\u003C\u002Fh3>\u003Cp>每个衰减步进对应一条独立的TTL控制线，共八条TTL控制线。TTL高电平将开启对应的衰减步进，TTL低电平将关闭对应的衰减步进。可同时使用多条控制线来设定组合衰减值。\u003C\u002Fp>\u003Cp>示例说明：\u003C\u002Fp>\u003Cul>\u003Cli>激活7.25dB设置：需将0.25dB\u002F1dB\u002F2dB\u002F4dB控制线全部设为TTL高电平\u003C\u002Fli>\u003Cli>激活20dB设置：需将4dB\u002F16dB控制线设为TTL高电平\u003C\u002Fli>\u003Cli>设为插入损耗状态（即0dB设置）：所有控制线必须设为TTL低电平\u003C\u002Fli>\u003C\u002Ful>\u003Ch3>关键参数\u003C\u002Fh3>\u003Cul>\u003Cli>\u003Cstrong>型号：\u003C\u002Fstrong>75P-154\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>75 Ohm\u003C\u002Fli>\u003Cli>\u003Cstrong>总衰减量：\u003C\u002Fstrong>63.75 dB\u003C\u002Fli>\u003Cli>\u003Cstrong>步进精度：\u003C\u002Fstrong>0.25 dB\u003C\u002Fli>\u003Cli>\u003Cstrong>频率范围：\u003C\u002Fstrong>DC-1000 MHz\u003C\u002Fli>\u003Cli>\u003Cstrong>切换速度：\u003C\u002Fstrong>10 mS\u003C\u002Fli>\u003Cli>\u003Cstrong>射频输入功率：\u003C\u002Fstrong>0.5 Watts\u003C\u002Fli>\u003Cli>\u003Cstrong>控制方式：\u003C\u002Fstrong>TTL\u003C\u002Fli>\u003Cli>\u003Cstrong>射频连接器：\u003C\u002Fstrong>BNC, F, N, TNC\u003C\u002Fli>\u003C\u002Ful>","[{\"name\":\"75P-154-BNC-programmable-attenuator-75-Ohm-relay-63.75dB-attenuation-0.25dB-steps.jpg\",\"preview\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F28\u002Fcf55463c-46e4-4bfb-ac7c-36368751d36b.jpg\",\"size\":48068,\"thumbnail\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F28\u002Fcf55463c-46e4-4bfb-ac7c-36368751d36b.jpg\",\"url\":\"image\u002F2026\u002F05\u002F28\u002Fcf55463c-46e4-4bfb-ac7c-36368751d36b.jpg\"}]","JFW 75P-154 继电器可编程衰减器 DC-1000MHz 0-63.75dB","JFW Industries 75P-154 继电器可编程衰减器，75欧姆阻抗，衰减范围0-63.75dB，步进0.25dB，频率DC-1000MHz，TTL控制，切换速度10mS，支持BNC\u002FF\u002FN\u002FTNC连接器。",{"createBy":6,"createTime":6,"updateBy":6,"updateTime":6,"remark":6,"id":895,"siteId":6,"slug":905,"name":906,"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":982,"updateBy":6,"updateTime":982,"remark":6,"id":983,"siteId":7,"sourceId":984,"categoryId":66,"brandId":895,"slug":985,"name":986,"code":6,"model":987,"subtitle":988,"description":989,"images":990,"files":6,"attributes":6,"price":6,"currency":6,"isHot":6,"status":13,"sort":13,"seoTitle":991,"seoDescription":992,"seoKeywords":6,"brand":993,"category":994},"2026-05-28 22:08:00",153818,4030,"153818","JFW Industries 75P-155 继电器可编程衰减器","75P-155","JFW 75P-155是一款75欧姆继电器可编程衰减器，频率范围DC-1000 MHz，衰减范围0-95.5dB，步进0.5dB。支持TTL控制，提供BNC、F、N、TNC连接器，适用于射频测试与通信系统。","\u003Ch3>产品概述\u003C\u002Fh3>\u003Cp>JFW Industries 推出的 \u003Cstrong>75P-155\u003C\u002Fstrong> 是一款75欧姆继电器可编程衰减器，衰减范围为0至95.5dB，步进为0.5dB。该设备工作频率覆盖直流至1000 MHz，额定射频输入功率为0.5瓦。此步进衰减器提供75欧姆的BNC、F、N或TNC同轴射频连接器可选。衰减器具备八个独立控制的衰减步进：0.5dB、1dB、2dB、4dB、8dB、16dB、32dB和32dB。\u003C\u002Fp>\u003Ch3>核心参数\u003C\u002Fh3>\u003Cul>\u003Cli>\u003Cstrong>型号：\u003C\u002Fstrong>75P-155\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>75欧姆\u003C\u002Fli>\u003Cli>\u003Cstrong>频率范围：\u003C\u002Fstrong>DC-1000 MHz\u003C\u002Fli>\u003Cli>\u003Cstrong>总衰减量：\u003C\u002Fstrong>95.5 dB\u003C\u002Fli>\u003Cli>\u003Cstrong>衰减步进：\u003C\u002Fstrong>0.5 dB\u003C\u002Fli>\u003Cli>\u003Cstrong>切换速度：\u003C\u002Fstrong>10 ms\u003C\u002Fli>\u003Cli>\u003Cstrong>射频输入功率：\u003C\u002Fstrong>0.5 W\u003C\u002Fli>\u003Cli>\u003Cstrong>控制方式：\u003C\u002Fstrong>TTL\u003C\u002Fli>\u003Cli>\u003Cstrong>射频连接器：\u003C\u002Fstrong>BNC, F, N, TNC\u003C\u002Fli>\u003C\u002Ful>\u003Ch3>TTL控制说明\u003C\u002Fh3>\u003Cp>每个衰减步进都对应一条TTL控制线，该型号共配备八条TTL控制线（具体控制引脚定义请参考外形图纸）。\u003C\u002Fp>\u003Cul>\u003Cli>\u003Cstrong>TTL高电平：\u003C\u002Fstrong>开启对应的衰减步进。\u003C\u002Fli>\u003Cli>\u003Cstrong>TTL低电平：\u003C\u002Fstrong>关闭对应的衰减步进。\u003C\u002Fli>\u003C\u002Ful>\u003Cp>通过同时使用多条控制线，可以设置组合衰减值。例如：\u003C\u002Fp>\u003Cul>\u003Cli>要激活 \u003Cstrong>7.5dB\u003C\u002Fstrong> 设置，必须将0.5dB、1dB、2dB和4dB控制线全部设为TTL高电平。\u003C\u002Fli>\u003Cli>要激活 \u003Cstrong>20dB\u003C\u002Fstrong> 设置，必须将4dB和16dB控制线设为TTL高电平。\u003C\u002Fli>\u003Cli>要将衰减器设置为插入损耗状态（即 \u003Cstrong>0dB\u003C\u002Fstrong> 设置），必须将所有控制线设为TTL低电平。\u003C\u002Fli>\u003C\u002Ful>","[{\"name\":\"75P-155-BNC-programmable-attenuator-75-Ohm-relay-95.5dB-attenuation-0.5dB-steps.jpg\",\"preview\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F28\u002F995ffa2c-2f32-4aa4-97e3-664236b0c5f6.jpg\",\"size\":48387,\"thumbnail\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F28\u002F995ffa2c-2f32-4aa4-97e3-664236b0c5f6.jpg\",\"url\":\"image\u002F2026\u002F05\u002F28\u002F995ffa2c-2f32-4aa4-97e3-664236b0c5f6.jpg\"}]","JFW 75P-155 继电器可编程衰减器 DC-1000MHz 0-95.5dB","JFW Industries 75P-155 75欧姆继电器可编程衰减器，频率DC-1000MHz，衰减0-95.5dB，0.5dB步进，TTL控制，支持BNC\u002FF\u002FN\u002FTNC连接器，额定功率0.5W。",{"createBy":6,"createTime":6,"updateBy":6,"updateTime":6,"remark":6,"id":895,"siteId":6,"slug":905,"name":906,"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":996,"updateBy":6,"updateTime":997,"remark":6,"id":998,"siteId":7,"sourceId":999,"categoryId":66,"brandId":895,"slug":1000,"name":1001,"code":6,"model":1002,"subtitle":1003,"description":1004,"images":1005,"files":6,"attributes":6,"price":6,"currency":6,"isHot":6,"status":13,"sort":13,"seoTitle":1006,"seoDescription":1007,"seoKeywords":6,"brand":1008,"category":1009},"2026-05-28 22:07:06","2026-05-28 22:07:05",153817,4029,"153817","JFW Industries 75P-157 继电器可编程衰减器 DC-1000MHz","75P-157","JFW Industries 75P-157是一款75欧姆继电器可编程衰减器，衰减范围0至95.5dB，步进0.5dB，工作频率DC-1000MHz，额定射频输入功率0.5W，支持+12Vdc控制电压，可选BNC、F、N或TNC连接器。","\u003Ch3>产品概述\u003C\u002Fh3>\u003Cp>JFW Industries 75P-157是一款75欧姆继电器可编程衰减器，衰减范围为0至95.5dB，步进精度为0.5dB。工作频率覆盖DC至1000MHz，额定射频输入功率为0.5W。该步进衰减器可选配75欧姆BNC、F、N或TNC同轴射频连接器。\u003C\u002Fp>\u003Ch3>衰减步进\u003C\u002Fh3>\u003Cp>该衰减器具有八个独立控制的衰减步进：\u003C\u002Fp>\u003Cul>\u003Cli>\u003Cstrong>0.5dB\u003C\u002Fstrong>\u003C\u002Fli>\u003Cli>\u003Cstrong>1dB\u003C\u002Fstrong>\u003C\u002Fli>\u003Cli>\u003Cstrong>2dB\u003C\u002Fstrong>\u003C\u002Fli>\u003Cli>\u003Cstrong>4dB\u003C\u002Fstrong>\u003C\u002Fli>\u003Cli>\u003Cstrong>8dB\u003C\u002Fstrong>\u003C\u002Fli>\u003Cli>\u003Cstrong>16dB\u003C\u002Fstrong>\u003C\u002Fli>\u003Cli>\u003Cstrong>32dB\u003C\u002Fstrong>\u003C\u002Fli>\u003Cli>\u003Cstrong>32dB\u003C\u002Fstrong>\u003C\u002Fli>\u003C\u002Ful>\u003Ch3>控制方式（+12Vdc控制）\u003C\u002Fh3>\u003Cp>每个衰减步进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>即可开启该步进的衰减功能。内部继电器具有故障安全设计，默认导通路径（即0dB设置）。焊接馈通端子处于开路（或接地）状态时，该步进衰减关闭。可同时激活多个步进以设置组合衰减值。例如：设置7dB衰减时，需同时激活1dB、2dB和4dB控制线；设置48dB衰减时，需同时激活16dB和32dB控制线；设置插入损耗状态（即0dB）时，所有控制线需关闭（接地或开路）。\u003C\u002Fp>\u003Ch3>主要技术参数\u003C\u002Fh3>\u003Cul>\u003Cli>\u003Cstrong>型号：\u003C\u002Fstrong>75P-157\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>75 Ohm\u003C\u002Fli>\u003Cli>\u003Cstrong>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 - 1000 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>0.5 Watts\u003C\u002Fli>\u003Cli>\u003Cstrong>控制电压：\u003C\u002Fstrong>+12 Vdc\u003C\u002Fli>\u003Cli>\u003Cstrong>射频连接器：\u003C\u002Fstrong>BNC, F, N, TNC（75 Ohm）\u003C\u002Fli>\u003C\u002Ful>","[{\"name\":\"75P-157-BNC-programmable-attenuator-75-Ohm-relay-95.5dB-attenuation-0.5dB-steps.jpg\",\"preview\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F28\u002Fe9eabf2c-e030-4673-aed5-57f2afe32d0f.jpg\",\"size\":51447,\"thumbnail\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F28\u002Fe9eabf2c-e030-4673-aed5-57f2afe32d0f.jpg\",\"url\":\"image\u002F2026\u002F05\u002F28\u002Fe9eabf2c-e030-4673-aed5-57f2afe32d0f.jpg\"}]","JFW Industries 75P-157 继电器可编程衰减器 DC-1000MHz 0-95.5dB 75欧姆","JFW Industries 75P-157继电器可编程衰减器，75欧姆阻抗，衰减范围0-95.5dB，步进0.5dB，频率DC-1000MHz，+12Vdc控制，可选BNC\u002FF\u002FN\u002FTNC连接器。",{"createBy":6,"createTime":6,"updateBy":6,"updateTime":6,"remark":6,"id":895,"siteId":6,"slug":905,"name":906,"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":1011,"updateBy":6,"updateTime":1012,"remark":6,"id":1013,"siteId":7,"sourceId":1014,"categoryId":66,"brandId":895,"slug":1015,"name":1016,"code":6,"model":1017,"subtitle":1018,"description":1019,"images":1020,"files":6,"attributes":6,"price":6,"currency":6,"isHot":6,"status":13,"sort":13,"seoTitle":1021,"seoDescription":1022,"seoKeywords":6,"brand":1023,"category":1024},"2026-05-28 22:06:37","2026-05-28 22:06:36",153816,4028,"153816","JFW Industries 75P-163 可编程继电器衰减器 DC-1000 MHz","75P-163","JFW Industries 75P-163 是一款75欧姆继电器可编程衰减器，衰减范围0至63.75dB，步进精度0.25dB，工作频率DC-1000 MHz，额定射频输入功率0.5瓦，支持+12Vdc控制，可选配BNC、F、N或TNC同轴连接器。","\u003Ch3>产品概述\u003C\u002Fh3>\u003Cp>JFW Industries 型号 \u003Cstrong>75P-163\u003C\u002Fstrong> 是一款 \u003Cstrong>75欧姆继电器可编程衰减器\u003C\u002Fstrong>，衰减范围为 0 至 63.75dB，步进精度为 \u003Cstrong>0.25dB\u003C\u002Fstrong>。工作频率范围为 \u003Cstrong>DC-1000 MHz\u003C\u002Fstrong>，额定射频输入功率为 0.5 瓦。该步进衰减器可选配 75 欧姆 BNC、F、N 或 TNC 同轴射频连接器。\u003C\u002Fp>\u003Ch3>衰减步进控制\u003C\u002Fh3>\u003Cp>该衰减器具有八个独立控制的衰减步进：\u003C\u002Fp>\u003Cul>\u003Cli>\u003Cstrong>0.25dB\u003C\u002Fstrong>\u003C\u002Fli>\u003Cli>\u003Cstrong>0.5dB\u003C\u002Fstrong>\u003C\u002Fli>\u003Cli>\u003Cstrong>1dB\u003C\u002Fstrong>\u003C\u002Fli>\u003Cli>\u003Cstrong>2dB\u003C\u002Fstrong>\u003C\u002Fli>\u003Cli>\u003Cstrong>4dB\u003C\u002Fstrong>\u003C\u002Fli>\u003Cli>\u003Cstrong>8dB\u003C\u002Fstrong>\u003C\u002Fli>\u003Cli>\u003Cstrong>16dB\u003C\u002Fstrong>\u003C\u002Fli>\u003Cli>\u003Cstrong>32dB\u003C\u002Fstrong>\u003C\u002Fli>\u003C\u002Ful>\u003Cp>通过同时激活多个步进可设置组合衰减值。例如，设置 7.25dB 衰减时需同时激活 0.25dB、1dB、2dB、4dB 控制线；设置 48dB 衰减时需激活 16dB 和 32dB 控制线。将所有控制线关闭（即接地或开路）可将衰减器设置为插入损耗状态（即 0dB 设置）。\u003C\u002Fp>\u003Ch3>+12Vdc 控制方式\u003C\u002Fh3>\u003Cp>每个衰减步进都有对应的焊接馈通端子，用于施加控制电压。向焊接馈通端子施加 \u003Cstrong>+12Vdc\u003C\u002Fstrong> 将开启该步进的衰减功能。内部继电器在失效时自动回到直通路径状态（即失效安全至 0dB 设置）。焊接馈通端子上的开路（或接地）将关闭该步进的衰减功能。\u003C\u002Fp>\u003Ch3>技术规格\u003C\u002Fh3>\u003Cul>\u003Cli>\u003Cstrong>类型：\u003C\u002Fstrong>继电器可编程衰减器\u003C\u002Fli>\u003Cli>\u003Cstrong>阻抗：\u003C\u002Fstrong>75 欧姆\u003C\u002Fli>\u003Cli>\u003Cstrong>总衰减量：\u003C\u002Fstrong>63.75 dB\u003C\u002Fli>\u003Cli>\u003Cstrong>衰减步进：\u003C\u002Fstrong>0.25 dB\u003C\u002Fli>\u003Cli>\u003Cstrong>频率范围：\u003C\u002Fstrong>DC - 1000 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>0.5 Watts\u003C\u002Fli>\u003Cli>\u003Cstrong>控制电压：\u003C\u002Fstrong>+12 Vdc\u003C\u002Fli>\u003Cli>\u003Cstrong>射频连接器：\u003C\u002Fstrong>BNC、F、N、TNC\u003C\u002Fli>\u003C\u002Ful>","[{\"name\":\"75P-163-BNC-programmable-attenuator-75-Ohm-relay-63.75dB-attenuation-0.25dB-steps.jpg\",\"preview\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F28\u002F4fd7d998-ff51-490c-933a-471809ed97cb.jpg\",\"size\":51289,\"thumbnail\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F28\u002F4fd7d998-ff51-490c-933a-471809ed97cb.jpg\",\"url\":\"image\u002F2026\u002F05\u002F28\u002F4fd7d998-ff51-490c-933a-471809ed97cb.jpg\"}]","JFW Industries 75P-163 可编程继电器衰减器 DC-1000 MHz 0-63.75dB 75欧姆","JFW Industries 75P-163 可编程继电器衰减器，75欧姆阻抗，衰减范围0-63.75dB，步进0.25dB，频率DC-1000 MHz，+12Vdc控制，支持BNC\u002FF\u002FN\u002FTNC连接器，适用于射频信号衰减应用。",{"createBy":6,"createTime":6,"updateBy":6,"updateTime":6,"remark":6,"id":895,"siteId":6,"slug":905,"name":906,"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":1026,"updateBy":6,"updateTime":1027,"remark":6,"id":1028,"siteId":7,"sourceId":1029,"categoryId":66,"brandId":895,"slug":1030,"name":1031,"code":6,"model":1032,"subtitle":1033,"description":1034,"images":1035,"files":6,"attributes":6,"price":6,"currency":6,"isHot":6,"status":13,"sort":13,"seoTitle":1036,"seoDescription":1037,"seoKeywords":6,"brand":1038,"category":1039},"2026-05-28 22:06:07","2026-05-28 22:06:06",153815,4027,"153815","JFW Industries 75P-180 可编程继电器衰减器","75P-180","JFW Industries 75P-180是一款75欧姆继电器可编程衰减器，衰减范围0至64.5dB，步进0.1dB，工作频率DC-1000 MHz，额定射频输入功率0.5W，采用TTL控制，提供BNC、F、N或TNC同轴射频连接器可选。","\u003Ch3>产品概述\u003C\u002Fh3>\u003Cp>JFW Industries 75P-180是一款75欧姆继电器可编程衰减器，衰减范围为0至64.5dB，步进精度为0.1dB。该器件工作频率覆盖DC至1000 MHz，额定射频输入功率为0.5W。此步进衰减器可选配75欧姆BNC、F、N或TNC同轴射频连接器。衰减器内置十个独立控制的衰减档位：0.1dB、0.2dB、0.4dB、0.8dB、1dB、2dB、4dB、8dB、16dB和32dB。\u003C\u002Fp>\u003Ch3>主要技术参数\u003C\u002Fh3>\u003Cul>\u003Cli>\u003Cstrong>型号：\u003C\u002Fstrong>75P-180\u003C\u002Fli>\u003Cli>\u003Cstrong>品牌：\u003C\u002Fstrong>JFW Industries\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>75 Ohm\u003C\u002Fli>\u003Cli>\u003Cstrong>总衰减量：\u003C\u002Fstrong>64.5 dB\u003C\u002Fli>\u003Cli>\u003Cstrong>步进精度：\u003C\u002Fstrong>0.1 dB\u003C\u002Fli>\u003Cli>\u003Cstrong>频率范围：\u003C\u002Fstrong>DC-1000 MHz\u003C\u002Fli>\u003Cli>\u003Cstrong>切换速度：\u003C\u002Fstrong>10 mS\u003C\u002Fli>\u003Cli>\u003Cstrong>射频输入功率：\u003C\u002Fstrong>0.5 Watts\u003C\u002Fli>\u003Cli>\u003Cstrong>控制方式：\u003C\u002Fstrong>TTL\u003C\u002Fli>\u003Cli>\u003Cstrong>射频连接器：\u003C\u002Fstrong>BNC, F, N, 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75P-180可编程继电器衰减器，75欧姆阻抗，衰减范围0-64.5dB，步进0.1dB，频率DC-1000MHz，TTL控制，支持BNC、F、N、TNC射频连接器。",{"createBy":6,"createTime":6,"updateBy":6,"updateTime":6,"remark":6,"id":895,"siteId":6,"slug":905,"name":906,"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":1041,"updateBy":6,"updateTime":1041,"remark":6,"id":1042,"siteId":7,"sourceId":1043,"categoryId":66,"brandId":895,"slug":1044,"name":1045,"code":6,"model":1046,"subtitle":1047,"description":1048,"images":1049,"files":6,"attributes":6,"price":6,"currency":6,"isHot":6,"status":13,"sort":13,"seoTitle":1050,"seoDescription":1051,"seoKeywords":6,"brand":1052,"category":1053},"2026-05-28 22:05:10",153813,4025,"153813","JFW Industries 75P-198 可编程继电器衰减器","75P-198","JFW 75P-198是一款75欧姆继电器可编程衰减器，衰减范围0至31dB，步进1dB，工作频率DC-1218 MHz，额定射频输入功率0.5W，支持BNC、F、N、TNC连接器，采用+12Vdc控制电压。","\u003Ch3>产品概述\u003C\u002Fh3>\u003Cp>JFW Industries 75P-198是一款75欧姆继电器可编程衰减器，衰减范围为0至31dB，步进精度1dB。该器件工作频率覆盖DC至1218 MHz，额定射频输入功率为0.5W。此步进衰减器提供75欧姆BNC、F、N或TNC同轴射频连接器可选。衰减器内置五个独立控制的衰减档位：1dB、2dB、4dB、8dB和16dB。\u003C\u002Fp>\u003Ch3>技术规格\u003C\u002Fh3>\u003Cul>\u003Cli>\u003Cstrong>型号：\u003C\u002Fstrong>75P-198\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>75 Ohm\u003C\u002Fli>\u003Cli>\u003Cstrong>总衰减量：\u003C\u002Fstrong>31 dB\u003C\u002Fli>\u003Cli>\u003Cstrong>步进：\u003C\u002Fstrong>1 dB\u003C\u002Fli>\u003Cli>\u003Cstrong>频率范围：\u003C\u002Fstrong>DC-1218 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>0.5 Watts\u003C\u002Fli>\u003Cli>\u003Cstrong>控制电压：\u003C\u002Fstrong>+12 Vdc\u003C\u002Fli>\u003Cli>\u003Cstrong>射频连接器：\u003C\u002Fstrong>BNC, F, N, 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