VOA Variable Optical Attenuator
■Product Description
VOA：Variable optical attenuator is an online attenuation amount adjustment device. It is applied to the situation of optical power required strict control in network, which the most common is cooperate with EDFA.
■Product features
♦ Wide operating wavelength range
♦ Ultra wide adjustable range
♦ Regulation accuracy is 0.1dB
♦ High multi channel attenuation stability
♦ Single card supports signal attenuationof 4-channel one-way
♦ Online attenuation adjustment makes business is more safer
♦ Automatically attenuation adjustment makes the network is intelligent
■Performance index
|
Parameters |
Unit |
Specifications |
|
Operating |
nm |
1310 or 1550 or 1490 or 1585 |
|
Bandwidth |
nm |
±20 |
|
Insertion Loss |
dB |
Typ:0.4 Max:0.5 |
|
Attenuation range |
dB |
0.8~60 |
|
Isolation（min） |
dB |
≥30 |
|
Return Loss |
dB |
≥60 |
|
PDL |
dB |
≤0.05 |
|
PMD |
dB |
≤0.25 |
|
Transmission Power |
mw |
≤500 |
■Ordering information
|
P/N |
– |
Wavelength |
Attenuation Index |
Channel |
– |
Connector |
|
VOA |
1：1290~1330 |
1：30dB |
04：4CH |
LP：LC/PC |
||
|
2：1530~1570 |
2：60dB |
08：8CH |