主要特性与技术指标4x 33 ghz 系统带宽，4 x 40 ghz 光接收机带宽1.8% rms evm 典型系统本底噪声66 gbaud 符号率qpsk：264 gbit/s；qam 16：512 gbit/s66 ghz 分析频宽1528 nm 至 1630 nm 光波长范围+/- 5 pm（典型值）波长精度现在提供高达 4x 63 ghz 的系统带宽。详情请咨询是德科技描述
n4391a 是一款完整的光调制分析仪，适用于单载波或多载波 400 gbit/s 和 1tbit/s 复合调制传输系统中的科研应用。它基于的 z 系列是德科技示波器、40 ghz 双偏振相干接收机和光调制矢量信号分析软件，提供十分灵活的分析工具和智能设置，可帮助您轻松完成仪器设置。
优势
通过全面校准的完整解决方案，让您执行测试无往不利提供更广泛的调制制式基于品质的是德科技 z 系列 4 通道示波器而设计特性
与矢量信号分析软件*整合，可以进行智能设置分析软件还可作为单机版使用用户可配置 apsk 和 ofdm 解调器不依赖调制制式的偏振校准结构清晰的测量结果每个偏振面各自的光表征结果完整信号的光汇总结果每个偏振面和总体信号各自的比特误码率和 q 因数可灵活配置的屏幕布局内部 pmf 开关可选择内部或外部本地振荡器激光源，以获得*的*测试结果灵活选择 dsp 算法并排序各种 cd 和 pmd 补偿和测量算法可以像是德科技算法一样灵活集成用户 dsp 算法
n4391a-110 optical modulation analyzer with 4 channel receiver and analysis software
n4391a-120 optical modulation analyzer special 63ghz with 4 channel (master/slave) testsets
n4391a-210 internal local oscillator
n4391a-220 internal local oscillator and external local oscillator input and local oscillator out
n4391a-420 custom - ofdm (orthogonal frequency-division multiplexing) analysis license
n4391a-500 c band itla internal local oscillator
n4391a-501 l band itla internal local oscillator
n4391a-m33 integration of one customer-owned 90000 q series or z series oscilloscope with new n4391a optical receiver with up to 4x33ghz
n4391a-m63 integration of one customer-owned q-series or z-series oscilloscope with new n4391a optical receiver with up to 2x63ghz
n4391a-m64 integration of two customer-owned 90000 q series or z series oscilloscope with new n4391a optical receiver with up to 4x63ghz
n4391a-rk1 rack mount kit for n4391a single oscilloscope system
n4391a-rk2 rack mount kit for n4391a dual oscilloscope system
n4391a-rk3 rack mount kit for n4391a single scope dsox90000q
n4391a-z20 infiniium oscilloscope 20 ghz 80 gsa/s 4ch, 50ms/ch memory (1x dsoz204a)
n4391a-z25 infiniium oscilloscope 25 ghz 80 gsa/s 4ch, 50ms/ch memory (1x dsoz254a)
n4391a-z33 infiniium oscilloscope 33 ghz 80 gsa/s 4ch, 50ms/ch memory (1x dsoz334a)
n4391a-z50 infiniium oscilloscope 50 ghz 160 gsa/s 2ch, 33 ghz 80gs/s 4 ch 50ms/ch memory (1x dsoz504a)
n4391a-z63 infiniium oscilloscope 63 ghz 160 gsa/s 2ch, 33 ghz 80gs/s 4 ch 50ms/ch memory (1x dsoz634a)
n4391a-z64 infiniium oscilloscope 63 ghz 160 gsa/s 2ch, 33 ghz 80gs/s 4 ch 50ms/ch memory (2x dsoz634a)