激光收发一体模块
本产品规格书描述了激光收发一体模块的产品性能指标。激光收发一体模块,主要应用于激光通信系统中。用户共只两类模块,以激光工作波长进行区分,其中光收发模块A 中心波长为ITU-C46通道,模块B中心波长为ITU-C18通道,除此之外的其他参数具有相同性能要求。
应用场景:无人机激光通信、卫星激光通信
性能指标:
表1: 光收发模块性能指标
序号 |
项目 |
符号 |
最小值 |
最大值 |
单位 |
备注 |
|
1 |
光发射特性 |
中心波长 |
λ |
1530 |
1565 |
nm |
|
2 |
边模抑制比 |
SMSR |
30 |
|
dB |
|
|
3 |
平均输出光功率 |
Po |
0 |
+4.0 |
dBm |
|
|
4 |
消光比 |
Er |
8.2 |
- |
dB |
|
|
|
插入回损 |
ORLT |
21 |
|
dB |
|
|
5 |
输出眼图 |
符合IEEE802.3-2008 |
|
||||
6 |
光接收特性 |
接收波长 |
- |
1260 |
1600 |
nm |
|
7 |
灵敏度@5GHz/1E-7(BER) |
|
|
-28 |
dBm |
|
|
8 |
饱和度 |
Psat |
-7.0 |
|
dBm |
|
|
9 |
允许最大输入功率 |
Mip |
|
3 |
dBm |
|
|
10 |
接收反射 |
RRx |
|
-27 |
dB |
|
|
11 |
低功率置位 |
T_loss_on |
-37 |
|
dBm |
|
|
12 |
低功率反置位 |
T_loss_off |
|
-24 |
dBm |
|
|
13 |
模块属性 |
供电电压 |
Vcc |
|
4 |
V |
|
14 |
供电电流 |
Icc |
|
600 |
mA |
|
|
15 |
外壳温度(操作温度) |
Tc |
0 |
70 |
℃ |
|
|
16 |
通信速率 |
- |
|
11.3 |
Gb/s |
|
|
17 |
重量 |
- |
|
200 |
g |
|
|
18 |
抗辐照总剂量 |
- |
50 |
|
krad(Si) |
|
外观及尺寸:
接口定义:
表2:光收发模块管脚定义
Pin# |
Logic |
Name |
Function |
Notes |
1 |
LVTTL-I/O |
SCL |
2 Wire Serial Interface Data Line (Same as MOD-DEF1 as defined in the INF-8074i) |
|
2 |
LVTTL-I/O |
SDA |
2-wire Serial Interface Data Line (Sameas MOD-DEF2 in INF-8074i) |
|
3 |
LVTTL-I |
TX DIS |
Transmitter Disable |
Note a |
4 |
LVTTL-O |
TX Fault |
Transmitter Fault Indication |
Note b |
5 |
|
VeeT |
Transmitter Ground |
- |
6 |
|
VeeT |
Transmitter Ground |
Note c |
7 |
CML-I |
TD- |
Inv. Transmit Data In |
Note h |
8 |
CML-I |
TD+ |
Transmit Data In |
Note h |
9 |
|
VeeT |
Transmitter Ground |
Note e |
10 |
|
VccT |
Transmitter Power |
Note g |
11 |
|
VccR |
Receiver Power |
Note g |
12 |
|
VeeR |
Receiver Ground |
Note e |
13 |
CML-O |
RD+ |
Received Data Out |
Note f |
14 |
CML-O |
RD- |
Inv. Received Data Out |
Note f |
15 |
|
VeeR |
Receiver Ground |
Note e |
16 |
|
VeeR |
Receiver Ground |
Note e |
17 |
LVTTL-I |
RS1 |
SFP+ TX Rate Select, optional |
Note i |
18 |
LVTTL-O |
RX_LOS |
Loss of Receiver Signal |
Note d |
19 |
LVTTL-I |
RS0 |
SFP+ RX Rate Select, optional |
Note i |
20 |
|
MOD-ABS |
Module Absent, Connected to VeeT or VeeR in the module. |
Note c |
图2 管脚顺序图