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SPECIFICATIONS FOR TREE and STAR COUPLERS
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Parameter
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1×4
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4×4
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1×8
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8×8
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1×16
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16×16
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1×32
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32×32
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Operating Wavelength(nm)
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800 ~ 1600
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Typical Excess Loss (dB)
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1.5
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1.5
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2.0
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2.0
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2.5
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2.5
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3.0
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3.0
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Coupling Ratio
Tolerance
%
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5
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Max. Insertion
Loss (dB)
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7.5
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8.0
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11.0
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11.5
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15.0
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15.5
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18.0
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19.0
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Uniformity (dB)
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0.8
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1.0
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1.2
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1.5
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2.5
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3.0
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4.0
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4.5
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Directivity (dB)
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＞40
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Operating Temp. (℃)
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-40
to +85*
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Temp. Sensitivity(dB/℃)
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＜0.002
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Storage Temp. (℃)
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-50 to +85
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Package Dimension (mm)
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P1
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P1
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P2
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P2,U1
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P2,U1,
U2
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U1,U2
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U1,U2
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U2
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P1=100(L)
×
80(W) × 12(H) ,
P2=140(L) ×
90(W) × 11.5(H)
U1=
482(L) × 256(W) ×
44(H) , U2=482(L) × 256(W) ×
88(H)
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Values
are referenced without connector(s)
* -20℃ ~ 70℃ for PVC Cable
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