这款热销型的N4901A误码率测试仪主要特性与技术指标
Dramatically simplified transceiver measurements that provide just the essential tests via the one page graphical user interface (running on an external Windows® XP PC via a USB 2.0 interface)
Standard measurements at fixed rates between 125 Mb/s and 3.125 Gb/s
Generation of Pseudo Random Bit Sequence (PRBS) polynomials and a K28.5 pattern at Low Voltage Differential Signal (LVDS) or Emitter Coupled Logic (ECL) levels
Optical and electrical error injection (once or at selectable Bit-Error-Ratio)
Analysis of gated Bit-Error-Ratio with display of the absolute number of errors and selectability of gate time
Flexible connections to the device under test via 3.5 mm differential electrical coax connectors and/or standard optical SFP module plug-ins
Full programmability of all graphical user interface features from another software program, making automation in manufacturing an easy task
N4901A误码率测试仪高性能串行BERT为表征串行千兆位设备提供的完整抖动容限测试解决方案。通过全面、集成且经过校准的抖动合成，J-BERT能够对12.5 Gb/s的接收机进行强化眼图测试。自动执行一致性抖动容限测试，快速地针对常见的串行总线标准，如PCIeTM、SATA、FB-DIMM、光纤通道、CEI、千兆位以太网和XFP/XFI等进行表征。
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