FBT COUPLER
Single Window Wideband Coupler
(Based on 50/50)
Parameter Premium A Grade
Operating Wavelength Range Center Wavelength
± 40nm
Insertion Loss (Max)
≤ 3.5 dB ≤ 3.7 dB
Uniformity (Typical)
≤ 0.5 dB ≤ 0.7 dB
Return Loss
≥ 55 dB (1 x 2) ≥ 65 dB (2 x 2)
PDL
≤ 0.10 dB
≤ 0.15 dB
TDL
≤ 0.2 dB
Operating & Storage Temperature - 40° C ~ + 85° C
Package Dimensions
Light Duty ( B ) 3.0mm (Φ) x 55.0mm (L)
Medium Duty ( L ) 3.0mm (Φ) x 60.0mm (L)
Heavy Duty ( K, R )
100.0mm x 12.0mm x 8.0mm
Tap Coupler Tree Couplers
Coupling
Ratio
Max Insertion Loss * Port # Max IL Uniformity
Premium A Grade Premium A Grade Premium A Grade
40/60 4.4/2.5 dB 4.8/2.8 dB 1 x 4 7.0 dB 7.4 dB 1.0 dB 1.4 dB
30/70 5.6/1.8 dB 6.1/2.0 dB 1 x 8 10.2 dB 10.8 dB 1.5 dB 1.8 dB
20/80 7.6/1.2 dB 8.0/1.3 dB 1 x 16 14.0 dB 14.8 dB 2.0 dB 2.8 dB
10/90 10.8/0.6 dB 12.0/0.8 dB * Other Port Numbers upon request
5/95 14.0/0.4 dB 14.5/0.5 dB
1/99 21.0/0.2 dB 21.5/0.3 dB
Note1: All values specified are without connectors.
Note2: Higher performance specifications are available upon request.
Note3: Fiber Type – Corning SMF-28e.
S W
C
- - -
- - - -
Port Number Grade Coupling Ratio Wavelength Fiber Length Pigtail Style Connector
12: 1 x 2 P: Premium xy % : xy % E: 1310 nm 1: 1 meter (=Package style)
0: None 7: LC/UPC
22: 2 x 2
A: A Grade EVEN: even split F: 1480 nm 2: 2 meter B: bare fiber 1: FC/PC 8: LC/SPC
14: 1 x 4
G: 1510 nm S: Special L: 900 µm loose tube 2: FC/APC 9: Special
18: 1 x 8 H: 1550 nm K: 2mm cable 3: SC/ PC A: FC/UPC
116: 1 x 16 L: 1625 nm R: 3mm cable 4: SC/APC B: SC/UPC
5: FC/SPC
C: ST
6: SC/SPC
www.lighteltech.com
2210 Lind Ave SW, Suite 100
Renton, WA 98057 USA
(425) 277-8000 ph.
(425) 277-5280 Fax All rights Reserved 2009
