alcatel 1911 of a erbium-doped fiber amplifier analog module description the alcatel 1911 ofa erbium-doped fiber amplifier (edfa) is a power booster designed for use in analog a p p l i c a t i o n s . the alcatel 1911 ofa has been optimized for low-noise figure and gain tilt to ensure minimal degradation of the cnr, cso and ctb of your analog transmission system. the use of optical isolation at the output of the amplifier (optional at input) ensures that reflections from unmatched connectors in the system do not affect amplifier p e rf o rm a n c e . features d i r ect signal amplification at 1550 nm optimized for am-vsb analog t r a n s m i s s i o n high optical output power (+17 dbm) single pump design low-noise figure for optimal cnr minimal gain tilt for optimum c s o / c t b output (optional at input) optical isolator minimizes system susceptibility to r e f l e c t i o n s compact, rugged low profile package applications power booster for catv and hybrid fiber coax (hfc) networks low-noise post-amplifier for transport systems optical characteristics electrical characteristics all parameters are specified within the overall temperature range. the typical values are referenced to + 25 ?. parameter condition min t ypical max unit pump operating cur r ent 300 ma pump operating voltage 2.5 v pump photodiode cur r ent 200 1500 a tec cur r ent 1.5 ? tec voltage 4.0 v thermistor 25 ? 9.5 10.5 k input monitor 5 16 ?/mw output monitor 5 16 ?/mw notes : parameters are start of life. [1] 16 dbm version parameter condition min t ypical max unit output power [1] + 16 dbm input power + 6 + 10 dbm operating wavelenght 1550 1555 1560 nm noise figur e 6 db polarization mode dispersion 0.5 ps gain tilt - 0.25 0 + 0.25 db/nm input/output optical return loss 33 db cso contribution - 65 dbc ctb contribution - 70 dbc
may 99 copyright ?1999 alcatel optronics customized versions are available for large quantiti es. performance figures contained in this document must be specifically confirmed in writing by alcatel optronics before they become applicable to any particular order or contract. alcatel optronics r eserves the right to make changes to the products or information contained herein without notice.
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