FBT COUPLER
Dual Window Wideband Coupler
(Based on 50/50)
Parameter
Operating Wavelength Range
Insertion Loss
Uniformity
Return Loss
PDL
TDL
Operating & Storage Temperature
Light Duty ( B )
Package Dimensions
Medium Duty ( L )
Heavy Duty ( K, R )
Premium
≤ 3.6 dB
≤ 0.7 dB
A Grade
≤ 3.8 dB
≤ 1.0 dB
1310 & 1550 nm
± 40 nm
≥ 55 dB (1x2) ≥ 65 dB (2x2)
≤ 0.15 dB
≤ 0.2dB
≤ 0.20 dB
- 40° C ~ + 85° C
3.0mm (Φ) x 55.0mm (L)
3.0mm (Φ) x 60.0mm (L)
100.0mm x 12.0mm x 8.0mm
Tap Coupler
Coupling
Ratio
40/60
30/70
20/80
10/90
5/95
1/99
Max Insertion Loss
Premium
A Grade
4.7/2.7 dB
5.0/2.9 dB
6.0/1.9 dB
6.4/2.2 dB
7.9/1.2 dB
8.5/1.4 dB
11.3/0.6 dB
12.7/0.8 dB
15.0/0.4 dB
16.0/0.5 dB
23.5/0.3 dB
24.0/0.4 dB
Tree Coupler
* Port #
1x4
1x8
1 x 16
Max IL
Premium
A Grade
7.2 dB
7.6 dB
11.0 dB
11.3 dB
14.4 dB
15.2 dB
Uniformity
Premium
A Grade
1.3 dB
1.8 dB
2.0 dB
2.4 dB
2.7 dB
3.2 dB
*Other port numbers upon request.
Note1: All values specified are without connectors.
Note2: Higher performance specifications are available upon request.
Note3: Fiber Type – Corning SMF-28e.
D W C-
Port Number
12: 1 x 2
22: 2 x 2
14: 1 x 4
18: 1 x 8
116: 1 x 16
-
-
Grade
P: Premium
A: A Grade
Coupling Ratio
xy % : xy %
EVEN: even split
-
-
-
Connector
0: None
1: FC/PC
2: FC/APC
3: SC/ PC
4: SC/APC
5: FC/SPC
6: SC/SPC
7: LC/UPC
8: LC/SPC
9: Special
A: FC/UPC
B: SC/UPC
C: ST
Fiber Length Pigtail Style
1: 1 meter (=Package style)
2: 2 meter B: bare fiber
S: Special L: 900 µm loose tube
K: 2mm cable
R: 3mm cable
www.lighteltech.com
2210 Lind Ave SW, Suite 100
Renton, WA 98057 USA
(425) 277-8000 ph.
(425) 277-5280 Fax
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