SC APC ABS Box Fiber Optic FBT Coupler For CATV Systems
1x2 SC/APC Triple Window ABS Box Type Fiber Optic FBT Coupler
FBT Coupler Description
FBT splitter utilizes precision technology to combine or distribute light from single/multiple inputs to single/multiple outputs bi-directionally. They are designed for power splitting and tapping in telecommunication equipment, CATV network, and test equipment.
We can provide customized FBT splitters in a variety of styles, sizes, port configurations, split values, and wavelength specifications, allowing a high degree of flexibility in tailoring the product to suit your precise requirements and application.
FBT Coupler Features
1. Low Excess loss
2. Low PDL
3. Environmentally stable
4. Good Thermal Stability
FBT Coupler Application
1. Long-haul Telecommunications
2. CATV Systems & Fiber Optic Sensors
3. Local Area Network
FBT Coupler Parameters
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Parameters |
Specification |
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Channel Number |
1x2 |
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Operating Wavelength (nm) |
1310/1550/1490 |
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Diameter (mm) |
2.0/3.0 |
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Operating Bandwidth(nm) |
±40 |
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Coupling Ratio |
Coupling Ratio Insertion Loss (dB) |
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P Grade |
A Grade |
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50/50 |
≤3.3 |
≤3.5 |
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40/60 |
≤4.5/2.6 |
≤4.7/2.8 |
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30/70 |
≤5.7/1.9 |
≤5.9/2.1 |
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20/80 |
≤7.6/1.3 |
≤7.75/1.38 |
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10/90 |
≤10.85/0.68 |
≤11.2/0.75 |
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5/95 |
≤14.4/0.45 |
≤15.5/0.48 |
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2/98 |
≤18.5/0.6 |
≤19.8/0.38 |
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1/99 |
≤21.8/0.28 |
≤22.8/0.35 |
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PDL(dB) |
≤0.15 |
≤0.2 |
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Directivity(dB) |
≥50 |
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Return Loss |
≥55 |
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|
(1xN) |
N=3 |
N=4 |
N=5 |
N=8 |
N=16 |
N=24 |
N=32 |
N=64 |
|
Fiber Type |
Corning SMF-28e |
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|
IL (MAX) (dB) |
5.41/5.62 |
7.01/7.22 |
7.81/8.02 |
10.01/10.42 |
13.51/13.92 |
15.01/15.42 |
17.31/17.52 |
21.01/21.52 |
|
Uniformity (dB) |
0.51/0.62 |
0.51/0.62 |
0.61/0.82 |
0.81/1.02 |
1.11/1.32 |
1.21/1.52 |
1.31/1.52 |
2.11/2.52 |
|
Return Loss (dB) |
≥55 |
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Directivity (dB) |
≥50 |
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PDL (dB) |
< 0.20 |
< 0.20 |
< 0.30 |
< 0.30 |
< 0.40 |
< 0.50 |
< 0.50 |
< 0.20 |
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