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MEMS VOA Specification
Features
Low insertion loss
Low-polarization related loss (PDL/WDL)
Fast response (ms-level)
Compact size
Compliant with Telcordia GR -468
Applications:
Optical power balance
Optical receiver protection
Optical amplifier gain control
Automated operation and maintenance of optical networks
Optical instruments and testing
Absolute Maximum Ratings
Table 1 -Absolute Maximum Ratings
Parameter | Symbol | Min . | Max | Unit |
Storage Temperature | Ts | -40 | 85 | ℃ |
Operation Temperature | Top | -5 | 70 | ℃ |
Max voltage | Vf | - | 6.5 | V |
Operating wavelength | 1250~1650nm |
Attenuation type | Bright |
Maxi mum attenuation c lassification | ＞51dB（Attenuation maintains linearity over therange of0 ~45dB） |
Operating Voltage | 0~5.8V |
Insertion loss 1 | ＜0.5dB(Without connector）1310nm |
Insertion loss 2 | ＜0.6dB(Without connector）1550nm |
Wavelength Dependent Loss 1
(1310/1550±50nm) | ＜12dB，ATT=20dB |
Wavelength Dependent Loss 2
(1310/1550±50nm) | ＜18dB，ATT=40dB |
Polarization Dependent Loss 1 | ＜0.2dB，ATT=10dB |
Polarization Dependent Loss 2 | ＜0.5dB，ATT=25dB |
Return loss | ＞50dB |
Response time | ＜2ms |
Repeatability | ＜0.05dB |
Maximum i nput power | ＞500mw |
Fiber type | G657A1，0.9um Loose Tube |
Sleeve Color | Black |
Fiber length | ＞1.3m |
Connector Type | None |
Package Dimension | / |
The Mechanical Design Diagram and Pin Definitions.The mechanical designdiagram is shown in Figure 1.(Dimension in mm)
Precautions
Semiconductor chips are sensitive to electro-static damage .The module shall be packed with antistaticmaterial for transportation .The working station and operators shall be grounded .Switching transients cancause electrical overstress (EOS)damage to the chips .EOS be may resulted from improper ESD handling,improper power sequencing,a faulty power supply or an intermittent connection .
a .Operators should always use antistatic bands and clothing,electric conductive shoes,and other safetyappliances while at work are highly recommended .
b .Humidity in working environment should be controlled equal or above 40 percent RH .
c .It is recommended that grounding mats be placed on the surfaces of assembly line workbench and thesurrounding floor in working area,etc .
d .When mounting this product in other parts or materials which can be electrically charged (printed wiringboards,plastic products,etc.),pay close attention to the static electricity in those parts .ESD may damage theproduct .
关键词：MEMS VOA Specification
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