FBT Coupler Three Window Wideband Coupler Specifications (50/50) Parameter Premium A Grade Operating Wavelength Range 1260-1360 nm, 1480-1550 nm, 1535-1570 nm Insertion Loss ≤ 3.6 dB ≤ 3.8 dB Uniformity ≤ 0.7 dB ≤ 1.0 dB ≥ 55 dB (1x2) ≥65 dB (2x2) Return Loss ≤ 0.15 dB PDL ≤ 0.2 dB ≤ 0.2 dB (-10°C ~ +75°C) ≤ 0.35 dB (-40°C ~ +85°C) TDL - 40° C ~ + 85° C Operating & Storage Temperature Package Dimensions Light Duty ( B ) 3.0mm (Ф) x 55.0mm (L) Medium Duty ( L ) 3.0mm (Ф) x 60.0mm (L) Heavy Duty (K, R) 100.0mm x 12.0mm x 8.0mm Tap Coupler Tree Couplers Coupling Ratio Premium A Grade 40/60 4.7/2.7 dB 5.0/2.5 dB 30/70 6.0/1.9 dB 6.4/2.2 dB 20/80 7.9/1.2 dB 10/90 *Port # Max IL Uniformity Premium A Grade Premium A Grade 1x4 7.2 dB 7.6 dB 1.3 dB 1.8 dB 8.5/1.4 dB 1x8 11.0 dB 11.3 dB 2.0 dB 2.4 dB 11.3/0.6 dB 12.7/0.8 dB 1 x 16 14.4 dB 15.2 dB 2.7 dB 3.2 dB 5/95 15.0/0.4 dB 16.0/0.5 dB 1 x 32 18.1 dB 19.0 dB 3.4 dB 4.2 dB 1/99 23.5/0.3 dB 25/0.4 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. Ordering Information T W C – – Port Number 12: 1 x 2 14: 1 x 4 18: 1 x 8 16: 1 x 16 32: 1 x 32 – Grade P: Premium A: A Grade – Coupling Ratio xy % : xy % 2210 Lind Ave SW, Suite 100 Renton, WA 98057 USA (425) 277-8000 ph (425) 277-5280 fax – Fiber Length 1: 1 meter 2: 2 meter S: Special – Pigtail Style (=Package style) B: bare fiber L: 900 m loose tube K: 2mm cable R: 3mm cable Connector 0: None 7: LC/UPC 1: FC/PC 8: LC/SPC 2: FC/APC 9: Special 3: SC/ PC A: FC/UPC 4: SC/APC B: SC/UPC 5: FC/SPC C: ST 6: SC/SPC [email protected] www.lightel.com