怎样理解线缆组件的回损性能？
客户通常会将线缆组件的回损性能视为评估线束电性能的主要标准之一。然而，不同的客户对于回损的要求大有差别，有的可能更注重线束的长度，而有的则更注重线缆组件是否满足连接器的回损值要求。那么，到底哪一个更为重要呢？这个问题常常让客户感到困惑。本文中，ROSENBERGER将进一步探讨这个问题，以帮助客户更好地理解回损性能的重要性。
回损是信号在传输过程中由于链路中的阻抗不匹配而出现的返回信号与入射信号的比值取对数的结果。那么也就是说链路中出现的阻抗不匹配越多，回损就会越差，是不是这样呢？
对于回损的两种要求
要求所需一定长度的线缆组件（如2.135m长线束）达到Uscar17标准中回损的要求。
要求指定长度的线缆组件（如3m或者6m）满足客户的企标回损要求后，针对自己所需的其它长度的线缆组件（如1m或者1.5m）也要满足其同样的企标要求。
先来看第一种情况，“Uscar17 PERFORMANCE SPECIFICATION FOR AUTOMOTIVE RF CONNECTOR SYSTEMS”它是汽车射频连接器系统性能规范，考察的是连接器，标准中对于回损的测试见以下，它是需要开时间门之后，只测试一对连接器的回损值的。因此这个标准不适用于客户需要的线束组件的回损结果参考。
再来看第二种情况，如果3或者6m长的线束组件满足了客户的企标要求，那其他长度，比如1m，2.5m，5.5m都可以满足客户的回损企标要求吗？
不同长度线束的回损结果
都说实践出真知，那么我们来看看不同长度线束的回损结果是什么状态的。
从上图中可以看出RL(1m)<RL(3m)<RL(6m)，线束组件越长，其回损性能越好，为什么呢？
上图是一根线缆组件在矢网仪上进行回损测试的测试简图，整条测试线束组件上存在很多阻抗不匹配导致的失配点，反射回来的信号P反1距离S11接收位置较近，被反射回来的信号很大一部分被完全接收到；反射回来的信号P反2，由于距离S11接收位置稍远些，在返回途中信号逐渐衰弱，当到达S11接收位置时，信号可以被接收到较少的一部分；那么反射回来的信号P反3由于距离S11接收位置太远，在返回途中信号全部被衰减掉了，因此不能被检测到。这也就是为什么线缆越长其回损越好的原因，因为被反射回来的信号都被衰减掉了，不能被检测到了，反应出来的情况就是线束越长其回损越好，这种情况会随着频率的不断增高会更加明显。
所以客户如果要求6m线缆组件满足其企标要求，那么会存在1m、3m不符合的情况。
再来看看上图，在不同长度的线束中，都表现出在3-4GHz时回损最差的情况，这种是由于线缆本身回损在3-4Gz就很差的原因，可以更换回损性能更好的线缆。
还有一种情况，即使是6米的线束，其回损性能仍然不如3米的线束好。这是为什么呢？主要原因之一在于线束两端的连接器不同。一端采用回损性能极佳的连接器，其阻抗与线缆的阻抗非常接近。而另一端则采用回损性能较差的连接器，其阻抗与线缆的阻抗存在较大差距。
因此，当涉及到连接到S11检测口的连接器时，回损的检测结果也会有所不同。
因此，ROSENBERGER的建议是，不要只强调回损数值，而应该使用衰减值来评估整个链路的性能。
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本文由ll转载自ROSENBERGER（罗森伯格汽车电子公众号），原文标题为:关于线缆组件的回损性能，我们的建议是......，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。
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随着车载信息娱乐技术的迅速发展，中控屏已经成为现代汽车的标配。然而，许多主机厂和消费者在车辆使用过程中常常遇到中控屏出现黑屏、闪屏以及信号阈值低等问题，给使用带来了诸多困扰。本文将从汽车高速线束的角度，探讨这些问题的成因和解决方案。
设计经验 发布时间 : 2024-10-26
罗森伯格全球半导体与测试业务团队齐聚德国总部，探讨最新的产品创新路线，共绘技术创新蓝图
近日，来自罗森伯格亚太、南北美、欧洲各地区的半导体与测试业务同仁齐聚集团总部德国弗里多芬，分享大家在研发、制造和市场的经验并展望和探讨最新的技术趋势和产品创新路线。
原厂动态 发布时间 : 2023-11-26
RosenbergerHSD® Connectors: High-Speed Data Connector System
型号- D4W0A6-1D5,D4S24D-400A5-Y,D4S2UY-400A5-Y,D4S2UY-40MA5-Y,LD5-214-XXXX-Y-Y,D4K14A-1D5A5-Y,LAF-221-XXXX-Y-Y,LD9-205-XXXX-Y-Y,LAF-227-XXXX-Y-Y,LD9-214-XXXX-Y-Y,D4W001-000,LD5-229-XXXX-Y-Y,99S16D-1D5A5-Y,99S21L-40MA5-Y,D4S10A-1D5A5-Y,LAF-209-XXXX-Y-Y,LAF-203-XXXX-Y-Y,D4S21J-40MA5-Y,LD5-101-XXXX-Y-Y,LAF-212-XXXX-Y-Y,LAF-218-XXXX-Y-Y,D4S10V-40MA5-Y,LAF-230-XXXX-Y-Y,D4S2UQ-40MA5-Y,LD5-106-XXXX-Y-Y,D2S10A-1D9A5-Y,D4S20Y-400A5-Y,99S15A-1D5A5-Y,59W011-000,LAF-226-XXXX-Y-Y,D4W003-000,LAF-231-XXXX-Y-Y,LD5-219-XXXX-Y-Y,LAF-208-XXXX-Y-Y,LD9-213-XXXX-Y-Y,LD9-106-XXXX-Y-Y,D4K2LE-1D5A5-Y,LD5-107-XXXX-Y-Y,D4S23L-40MA5-Y,LD9-101-XXXX-Y-Y,D4K25L-1D5A5-Y,LD5-102-XXXX-Y-Y,LAF-202-XXXX-Y-Y,LD9-107-XXXX-Y-Y,LXX-101-XXXX-Y-Y,D4W0A8-1D5,D2S10A-1AQA5-Y,D4K20C-1D5A5-Y,LAF-220-XXXX-Y-Y,LAF-219-XXXX-Y-Y,99S10R-40MA5-Y,LD5-232-XXXX-Y-Y,D4W006-000,LAF-103-XXXX-Y-Y,LD5-105-XXXX-Y-Y,LAF-207-XXXX-Y-Y,99K2LK-1D5A5-Y,D2S14A-1D9A5-Y,LAF-213-XXXX-Y-Y,LD5-108-XXXX-Y-Y,LD9-203-XXXX-Y-Y,D4K2RE-1D5A5-Y,LD9-108-XXXX-Y-Y,LD5-218-XXXX-Y-Y,LD5-222-XXXX-Y-Y,LD9-105-XXXX-Y-Y,D4K10A-K00A5-Z,LAF-229-XXXX-Y-Y,LD9-218-XXXX-Y-Y,D4S14D-40MA5-Y,LD5-227-XXXX-Y-Y,LD5-213-XXXX-Y-Y,99S10L-40MA5-Y,D4K25R-1D5A5-Y,LAF-211-XXXX-Y-Y,D4K10C-1D5A5-Y,LD5-230-XXXX-Y-Y,59W010-000,LD9-103-XXXX-Y-Y,LD5-216-XXXX-Y-Y,LD5-224-XXXX-Y-Y,99S219-40MA5-Y,LAF-222-XXXX-Y-Y,LD9-222-XXXX-Y-Y,D4S20W-40MA5-Y,LAF-216-XXXX-Y-Y,D4W006-SET,D4W0B6-1D5,LD5-205-XXXX-Y-Y,D4W008-000,D4W0A3-1D5,LAF-205-XXXX-Y-Y,D4K101-1D5/40Z,D4S20P-400A5-Y,LD5-217-XXXX-Y-Y,D4K1UA-1D5A5-Y,LD5-211-XXXX-Y-Y,LD5-226-XXXX-Y-Y,D2K10A-1AQA5-Y,D2K25A-1D9A5-Y,LD5-220-XXXX-Y-Y,99K15A-1D5A5-Y,D4K20E-1D5A5-Y,LD5-104-XXXX-Y-Y,LD5-202-XXXX-Y-Y,LD9-217-XXXX-Y-Y,D4S2UL-40MA5-Y,LAF-206-XXXX-Y-Y,D4S12H-40MA5-Y,D4W002-000,99K20K-1D5A5-Y,LAF-224-XXXX-Y-Y,LAF-215-XXXX-Y-Y,99K2LL-1D5A5-Y,LD5-103-XXXX-Y-Y,LD9-221-XXXX-Y-Y,D4W004-000,LAF-214-XXXX-Y-Y,LD5-207-XXXX-Y-Y,LD9-201-XXXX-Y-Y,LAF-102-XXXX-Y-Y,D4S10A-400L5-Y,LD5-221-XXXX-Y-Y,D4K25A-1D5A5-Y,LAF-232-XXXX-Y-Y,LAF-225-XXXX-Y-Y,LD5-203-XXXX-Y-Y,LAF-101-XXXX-Y-Y,D2K10A-1D9A5-Y,D4S14A-1D5A5-Y,LD9-202-XXXX-Y-Y,D4K14C-1D5A5-Y,LD5-208-XXXX-Y-Y,D4S2UG-400A5-Y,LAF-201-XXXX-Y-Y,99K2RK-1D5A5-Y,D4S1EQ-S01A5-YY,LAF-204-XXXX-Y-Y,LD5-206-XXXX-Y-Y,D4W007-000,LD9-102-XXXX-Y-Y,99S23F-40MA5-Y,LD5-225-XXXX-Y-Y,LD9-206-XXXX-Y-Y,D2K20A-1D9A5-Y,LD5-215-XXXX-Y-Y,LD9-209-XXXX-Y-Y,LD5-209-XXXX-Y-Y,LD9-210-XXXX-Y-Y,D2K14A-1D9A5-Y,LAF-210-XXXX-Y-Y,LD5-231-XXXX-Y-Y,D4K2UE-1D5A5-Y,LD5-210-XXXX-Y-Y,99K15B-1D5A5-Y,D4K10D-1D5A5-Y,99K2UK-1D5A5-Y,D4W0A6-SET,LD5-201-XXXX-Y-Y,LAF-217-XXXX-Y-Y,LD5-204-XXXX-Y-Y,D4S20G-400A5-Y,PCB-L1501-SB,LAF-223-XXXX-Y-Y,D4K10A-1D5A5-Y,D4S20Y-40MA5-Y,LD5-212-XXXX-Y-Y,D4S23M-40MA5-Y,LD5-228-XXXX-Y-Y,D4S10P-40MA5-Y,LD9-104-XXXX-Y-Y,LAF-104-XXXX-Y-Y,99K11D-1D5A5-Y,LD5-223-XXXX-Y-Y,D4K20B-1D5A5-Y,D4S10E-40MA5-Y,LAF-228-XXXX-Y-Y
HFM® Products High-Speed FAKRA-Mini Automotive Connector System up to 20 GHz | 28 Gbps
型号- AMK14G-103Z5-Y,AMW001-SET,AMK17A-1M4Z5-Y,PCB-T2504-SB-01,AMS29D-40MZ5-Y,AMK16B-1M4Z5-Y,AMK142-102Z5-Y,AMK148-103Z5-Y,AMK12D-1M4Z5-Y,AMK1CM-1AXZ5-Y,AMK23D-1AXZ5-Y,AMK148-1M4Z5-Y,AMK16B-103Z5-Y,AMK148-1AXZ5-Y,AMS29S-40MZ5-Y,AMK16B-1AXZ5-Y,AMK23B-102Z5-Y,AMK1CM-1M4Z5-Y,AMK14G-1AXZ5-Y,AMK12D-103Z5-Y,AMK21A-1M4Z5-Y,AMS19A-40MZ5-Y,AMS19D-40MZ5-Y,AMS142-1M4Z5-Y,AMK1CD-102Z5-Y,AMK1CM-103Z5-Y,AMS14D-1M4Z5-Y,AMS2UB-40MZ5-Y,LXX-101-XXXX--Y-Y,AMS142-103Z5-Y,AMK21B-1AXZ5-Y,AMK141-1AXZ5-Y,02S1AM-S00S3,AMK21A-103Z5-Y,AMK17B-103Z5-Y,99K1A2-102Z5-Y,AMK17A-1AXZ5-Y,AMS24D-40MZ5-Y,AMK14K-1AXZ5-Y,AMS29A-40MZ5-Y,99K1AB-103Z5-Y,AMK12D-1AXZ5-Y,99K1AB-1M4Z5-Y,AMK23D-1M4Z5-Y,L02-009-XXXX-Y-Y,AMK1CD-1M4Z5-Y,AMK16A-102Z5-Y,AMK21B-102Z5-Y,AMS11B-102Z5-Y,AM HFM®,AMK17C-1AXZ5-Y,AMS11D-103Z5-Y,AMW007-SET,AMK11D-102Z5-Y,AMK141-102Z5-Y,AMK16C-103Z5-Y,AMK23D-103Z5-Y,AMS11D-1AXZ5-Y,PCB-P3001-SB,AMK14H-102Z5-Y,HFM®,AMS14D-103Z5-Y,AMK14H-1AXZ5-Y,AMK21D-1M4Z5-Y,AMK21D-103Z5-Y,AMS11D-1M4Z5-Y,99K1A2-1AXZ5-Y,AMS12A-102Z5-Y,AMS2RD-40MZ5-Y,02S1AM-S01S3,AMK17A-103Z5-Y,AMS24A-40MZ5-Y,AMK142-1AXZ5-Y,AMS2UC-40MZ5-Y,AMK1CD-1AXZ5-Y,AMS141-103Z5-Y,AMK23A-103Z5-Y,AMS141-1M4Z5-Y,PCB-T2505-SB-01,AMK17C-102Z5-Y,AMK142-103Z5-Y,AMK148-102Z5-Y,AMS11A-103Z5-Y,AMK21A-102Z5-Y,AMK142-1M4Z5-Y,AMK23B-1AXZ5-Y,AMS142-102Z5-Y,AMK16B-102Z5-Y,AMK14K-102Z5-Y,AMK17C-103Z5-Y,99K1A2-103Z5-Y,02K1AM-S00S3,AMK23A-1M4Z5-Y,AMK12A-102Z5-Y,AMS11A-1M4Z5-Y,99K1AB-1AXZ5-Y,AMK1AA-1AXZ5-Y,AMK1CM-102Z5-Y,AMK14G-102Z5-Y,99S2AP-40MZ5-Y,99K1A2-1M4Z5-Y,AMK17C-1M4Z5-Y,AMK11D-1AXZ5-Y,AMK16A-1AXZ5-Y,AMS11A-1AXZ5-Y,AMK17B-102Z5-Y,AMK23D-102Z5-Y,AMS141-1AXZ5-Y,AMK23B-103Z5-Y,AMS2RA-40MZ5-Y,AMS2UD-40MZ5-Y,AMS24B-40MZ5-Y,AMK16C-1M4Z5-Y,AMK21D-1AXZ5-Y,02K1AM-K01S3,AMK12D-102Z5-Y,AMS12A-1AXZ5-Y,AMK1CD-103Z5-Y,AMS2LA-40MZ5-Y,02S1AM-K00S3,AMS29B-40MZ5-Y,AMK14H-1M4Z5-Y,AMK141-1M4Z5-Y,AMS141-102Z5-Y,99S1AP-40MZ5-Y,AMK16C-102Z5-Y,AMS11D-102Z5-Y,AMK17B-1M4Z5-Y,AMK23A-1AXZ5-Y,AMK14H-103Z5-Y,AMS29C-40MZ5-Y,AMS12A-1M4Z5-Y,AMK141-103Z5-Y,AMS14D-102Z5-Y,AMS2LD-40MZ5-Y,02K1AM-S01S3,AMK11D-1M4Z5-Y,AMS11B-1M4Z5-Y,L02-025-XXXX-Y-YYYY,AMK23B-1M4Z5-Y,PCB-T2503-SB-01,AMK16A-1M4Z5-Y,99K1AB-102Z5-Y,AMK16A-103Z5-Y,AMS11B-103Z5-Y,AMK11D-103Z5-Y,AMS14D-1AXZ5-Y,AMW021-SET,AMS19B-40MZ5-Y,AMK17A-102Z5-Y,AMK21B-1M4Z5-Y,AMS11B-1AXZ5-Y,AMK23A-102Z5-Y,AMK16C-1AXZ5-Y,AMS2UA-40MZ5-Y,AMK14K-1M4Z5-Y,L02-008-XXXX-Y-Y,AMS12A-103Z5-Y,AMK21A-1AXZ5-Y,AMK14G-1M4Z5-Y,AMK17B-1AXZ5-Y,AMK21D-102Z5-Y,02K1AM-K00S3,AMS11A-102Z5-Y,AMK21B-103Z5-Y,AMS142-1AXZ5-Y,02S1AM-K01S3,AMK14K-103Z5-Y
罗森伯格亮相HICOOL 2024全球创业者峰会
2024年8月23日至25日，罗森伯格应邀参加了在北京举行的HICOOL 2024全球创业者峰会。此次峰会聚焦技术创新、产业融合、新质共享与国际合作四大要素，致力于打造高端多元、开放包容的国际性创业者盛会。
原厂动态 发布时间 : 2024-08-31
【产品】用于汽车连接器系统的H-MTD® 360°屏蔽差分连接器系统，最高可至15 GHz | 20 Gbps
罗森伯格H-MTD®是一个360°屏蔽差分连接器系统。新开发的系统将最高至 15GHz 或 20Gbps 的数据传输和非常小的封装尺寸结合于一体。H-MTD®在节省安装空间和重量的同时支持高比特率数据传输。系统一大优点是模块化，从而广泛支持各种应用。
新产品 发布时间 : 2019-06-22
【产品】汽车级高速迷你FAKRA连接器HFM®，传输速率高达20Gbps
HFM®是Rosenberger推出的下一代汽车同轴连接器，传输速率高达20Gbps。汽车级高速迷你FAKRA连接器HFM®分为PCB连接器和线缆连接器两种，PCB连接器的型号有AMS22A-40MZ5-y,等四款；线缆连接器的型号有AMS11A-1xxZ5y等七款。
新产品 发布时间 : 2019-09-10
罗森伯格出席IEEE工业信息学国际会议并发表演讲
2024年8月17日至20日，IEEE工业信息学国际会议（INDIN2024）在北京龙城温德姆酒店成功举行。8月18日，ROSENBERGER罗森伯格亚太副总裁、中国汽车工程学会电路学会委员会委员丁磊先生，在“工业电子在机器人与车辆中的应用”行业论坛上发表了题为“罗森伯格车载高速链路对智能化网联化的重要性”的专家演讲。
原厂动态 发布时间 : 2024-08-21
罗森伯格集团常州基地开业，聚焦高端连接器、汽车线束产品，为汽车高速、高压的研发及先进制造提供解决方案
日前，罗森伯格常州基地一期工程开业庆典在中国常州圆满举办。罗森伯格常州基地作为罗森伯格集团又一艘产业旗舰，将聚焦用于新能源汽车的高端连接器、汽车线束产品和汽车高速、高压解决方案的研发及先进制造，为常州、乃至中国汽车电子产业的新飞跃，贡献新力量。
原厂动态 发布时间 : 2022-08-18
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针对电子系统中的详细传热和流体流动模拟进行优化，可准确分析复杂的两相冷却组件（如热管/均热板），量化利用率，并警告是否干涸。
实验室地址： 深圳 提交需求>
可根据用户端子定制线束，制程能力：Min: 0.13mm2、Max: 120mm2；具有设计方案验证、定案、样品交付及量产快速响应能力。
最小起订量： 1000pcs 提交需求>
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