September 2001 Four Channel Transmitter - BH version PRELIMINARY Multi Channel Transmitter for D-WDM _______________________________________________________________________________________________ Application: * High Speed 2.5Gb/s per channel, Metro D-WDM networks. Features: * * * * * * 4 WDM channels standard, one fiber output, isolator optional Fiber Grating Laser Diodes, wavelength locking, APC and LD driving electronics included Thermal stabilization of LD Full ITU-T D-WDM grid available, channel spacing 200 GHz standard (down to 50GHz) Wide operating temperature range Compact, hermetic package Technical Specifications for 4 channel module Absolute Maximum Ratings Stresses in excess of the absolute maximum ratings may cause permanent damage to the device. Exposure to absolute maximum ratings for extended periods can affect the device reliability. The specified performance can be achieved at the operating conditions, listed in this datasheet. Parameter LD optical output power/channel Total supply current Total supply voltage Operating case temperature Storage temperature ESD threshold AIFOtec AG Symbol Pf ITot VTot Tc Tstg Conditions CW Rating 10 4 5,25 0 - +70 -40 - +85 tbd Unit mW A V C C page (1/5) 07.11.01 September 2001 Four Channel Transmitter - BH version PRELIMINARY Electrical/Optical Characteristics Parameters are specified over operating case temperature. A heat sink or ventilation may be needed to ensure operation within the above limits Typical values are measured at 25C, unless otherwise noted. Electrical Characteristics Parameter DC power supply voltage DC power supply current Power dissipation Input data voltage Input impedance Tx enable voltage Tx disable voltage l deviation alarm/channel Laser degrade alarm/channel Laser Bias Monitor Voltage Laser Back-facet Monitor PD Voltage (50% duty cycle) Return Loss (input data) Conditions TEC included TEC included Symbol Vcc Icc Pdis Vin Rin Ven Vdis Note (1) V no-l alarm V l alarm Setting (active-low) l alarm V no alarm V alarm Setting (activeLD alarm low)(2) per channel Vlbm Vbf Min 4,75 Typ. 5 2,4 12 0,9 50 0 2,0 0 4.5 -200 4,5 0 Max 5,25 4 21 0,8 Vcc 0,3 Vcc 200 Vcc 0,3 80 20 500 RLdata -10 Conditions BOL Symbol Pave Min 2.0 EOL 3) Pave lc D lc 0 1530 -20 2.5Gb/s modulated, -20dB D l20 Unit V A W V W V V V V pm V V mA mV/mA mV/m W dB Note 1: Deviation due to control loop malfunction. Note 2: Average Laser bias current Optical Characteristics Parameter Average Optical Power Output per Channel Center wavelength range Variation of center wavelength over temperature and lifetime Spectral width Side Mode Suppression Ratio Extinction ratio Optical rise/fall time (20/80%) Dispersion penalty (Type A) (Type B) 1800ps/nm 3000ps/nm SMSR re tr, tf DP DP 33 Typ. Max 5.0 Unit dBm 2.0 1610 20 dBm nm pm 0,2 nm 130 2,0 2,0 dB dB ps dB dB 40 8,2 Note 3: EOL defined as +20% change in Operating Bias Current AIFOtec AG page (2/5) 07.11.01 September 2001 Four Channel Transmitter - BH version PRELIMINARY Fiber Pigtail Specification Parameter Fiber type Mode field diameter Cladding diameter Secondary coating outer diameter Connector Optical return loss of connector Limits SM 9.51 1252 0.90.1 See ordering info 40 (min) Unit m m mm dB Typical Characteristics Optical Power in Fiber Optical Power (mW) 6.0 5.0 Popt @ 18 C 4.0 Popt @ 19 C 3.0 Popt @ 20 C 2.0 Popt @ 21 C Popt @ 22 C 1.0 0.0 0 20 40 60 80 100 Laser Current (mA) Typical LI curve at different laser temperatures AIFOtec AG page (3/5) 07.11.01 September 2001 Four Channel Transmitter - BH version PRELIMINARY Wavelength Lambda @ 18 C Wavelength (nm) 1533.5 Lambda @ 19 C 1533.4 Lambda @ 20 C 1533.3 Lambda @ 21 C 1533.2 Lambda @ 22 C 1533.1 1533.0 0 20 40 60 80 100 Laser Current (mA) Wavelength shift vs. drive current for different temperatures Relative Amplitude (dB) Spectrum at 50mA, 21C 0 -10 -20 -30 -40 -50 -60 -70 1528 1530 1532 1534 1536 1538 1540 Wavelength (nm) Typical spectrum at average drive current AIFOtec AG page (4/5) 07.11.01 September 2001 Four Channel Transmitter - BH version PRELIMINARY Package Dimensions 120 x 95 x 10mm (excluding cooling fins) AIFOtec AG page (5/5) 07.11.01