FBT COUPLER
Compact Size Dual Window Wideband Coupler
(Based on 50/50)
Parameter
Operating Wavelength Range
Insertion Loss
Uniformity
Return Loss
PDL
TDL
Operating & Storage Temperature
Package Dimensions
Light Duty ( B )
Medium Duty ( L )
Premium
A grade
1310 & 1550 nm ± 40 nm
≤ 3.6 dB
≤ 0.8 dB
≤ 3.9 dB
≤ 1.0 dB
≥ 55 dB (1x2) ≥ 65 dB (2x2)
≤ 0.15 dB
≤ 0.2 dB
≤ 0.2 dB (- 10° C ~ + 75° C) ≤ 0.35 dB (- 40° C ~ + 85° C)
- 40° C ~ + 85° C
3.0mm (Φ) x 40.0mm (L)
3.0mm (Φ) x 45.0mm (L)
Tap Coupler
Coupling Ratio
40/60
30/70
20/80
10/90
5/95
1/99
Premium
4.7 / 2.7 dB
6.0 / 1.9 dB
7.9 / 1.2 dB
11.3 / 0.6 dB
15.0 / 0.4 dB
23.5 / 0.3 dB
A Grade
5.0 / 2.5 dB
6.4 / 2.2 dB
8.5 / 1.4 dB
12.7 / 0.8 dB
16.0 / 0.5 dB
25.0 / 0.4 dB
Note1: All values specified are without connectors.
Note2: Higher performance specifications upon request.
Note3: Fiber type Corning SMF-28e.
D WC C -
Port Number
12: 1 x 2
22: 2 x 2
-
-
Coupling Ratio
xy%:xy%
-
-
-
-
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
Grade
P: Premium
A: A Grade
Wavelength
E: 1310 nm
F: 1480 nm
G: 1510 nm
H: 1550 nm
L: 1625 nm
Fiber Length
Pigtail Style
1: 1 meter
(=Package style)
2: 2 meter
B: bare fiber
L: 900 µm loose tube
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
stm32/stm8