FBT COUPLER
Dual Window Wideband Coupler
(Based on 50/50)
Parameter
Premium
A Grade
Operating Wavelength Range
1310 + 40 nm & 1550 nm + 40 nm
Insertion Loss
≤ 3.6 dB
≤ 3.8 dB
Uniformity
≤ 0.7 dB
≤ 1.0 dB
Return Loss
≥ 55 dB (1x2) ≥ 65 dB (2x2)
PDL
≤ 0.15 dB
≤ 0.20 dB
TDL
≤ 0.2dB
Operating & Storage Temperature
- 40° C ~ + 85° C
Package Dimensions
Light Duty ( B )
3.0mm () x 55.0mm (L)
Medium Duty ( L )
3.0mm () x 60.0mm (L)
Heavy Duty ( K, R )
100.0mm x 12.0mm x 8.0mm
Tap Coupler Tree Coupler
Coupling
Ratio
Max Insertion Loss
* Port #
Max IL
Uniformity
Premium
A Grade
Premium
A Grade
Premium
A Grade
40/60
4.7/2.7 dB
5.0/2.9 dB
1 x 4
7.2 dB
7.6 dB
1.3 dB
1.8 dB
30/70
6.0/1.9 dB
6.4/2.2 dB
1 x 8
11.0 dB
11.3 dB
2.0 dB
2.4 dB
20/80
7.9/1.2 dB
8.5/1.4 dB
1 x 16
14.4 dB
15.2 dB
2.7 dB
3.2 dB
10/90
11.3/0.6 dB
12.7/0.8 dB
5/95
15.0/0.4 dB
16.0/0.5 dB
*Other port numbers upon request.
1/99
23.5/0.3 dB
24.0/0.4 dB
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 Grade Coupling Ratio Fiber Length Pigtail Style Connector
12: 1 x 2 P: Premium xy % : xy % 1: 1 meter (=Package style) 0: None 7: LC/UPC
22: 2 x 2 A: A Grade EVEN: even split 2: 2 meter B: bare fiber 1: FC/PC 8: LC/SPC
14: 1 x 4 S: Special L: 900 m loose tube 2: FC/APC 9: Special
18: 1 x 8 K: 2mm cable 3: SC/ PC A: FC/UPC
116: 1 x 16 R: 3mm cable 4: SC/APC B: SC/UPC
5: FC/SPC C: ST
6: SC/SPC
www.lightel.com
2210 Lind Ave SW, Suite 100
Renton, WA 98057 USA
(425) 277-8000 ph.
(425) 277-5280 Fax All rights Reserved 2009
