相干接收机
多格式光信号接收机可接收多种相位幅度调制信号，独有的自动偏置控制技术可支持单载波4QAM/16QAM及不同调制方式的OFDM信号的稳定输入。
▋ 系列
ICR Subsytem
▋ 产品简介
多格式光信号接收机可接收多种相位幅度调制信号，独有的自动偏置控制技术可支持单载波4QAM/16QAM及不同调制方式的OFDM信号的稳定输入，其高集成度的设计和信号的稳定完整输出，可广泛应用于相干光通信及相关领域。
▋ 产品特点
◆ 数据速率最大支持32GBuad
◆ 小信号带宽（3dB）22GHz
◆ 支持自动增益控制与手动增益控制
◆ 总谐波失真小于5%
▋ 产品应用
◆ 100G DP-QPSK 接收系统
◆ 光纤传感
◆ 不同调制方式的OFDM通信系统
◆ 单载波4QAM/16QAM通信系统
▋ 电气规格
| Parameter | Symbol | Condition | Min | Typ | Max | Units | |
| 1 |
Symbol Rate |
- | - | 32 | GBaud | ||
| 2 | Output swing adjustment range | Peek to peek, differential, AC coupled | 300 | - | 900 | mVPPD | |
| 3 | Total Harmonic Distortion | THD | - | - | 5 | % | |
| 4 |
Common Mode Rejection Ratio:DC, Signal to I & QDC, LO to I & Q 22GHz, Signal to I & D 22GHz, LO to I & Q |
DMRR | - | - |
-20 -12 -16 -10 |
dBe | |
| 5 | Small signal Bandwidth(3dB) | - | 22 | - | GHz | ||
| 6 | Low Frequency Cutoff | AC coupling | - | - | 100 | kHz | |
| 7 | Phase Error | Between XI and XQ and between YI and YQ | -5 | - | 5 | deg. | |
| 8 | Optical Reflectance | Signal and LO ports. Per ITU-T G.959.1 | - | - | -27 | dB | |
| 9 |
Out Electrical Return, Loss(S22): f＜16GHz; 16GHz＜f＜24GHz; 25GHz＜f＜32GHz |
- - - |
- - - |
-10 -8 -6 |
dB dB dB |
||
| 10 | Skew: p, n | - | - | 2 | ps | ||
| 11 | Channel skew | - | - | 10 | ps | ||
| 12 | Channel skew variation | - | - | 5 | ps | ||
| 13 | Maximum Differential Transimpedance | MGC | 3200 | - | - | Ω | |
| 14 | Minimum Differential Transimpedance | MGC | - | - | 250 | ||
| 15 | Responsivity | Rsig | Signal | 0.045 | - | -- | AW |
| 16 | Rmon | Monitor | 0.005 | - | 0.05 |
