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E2505H21 Datasheet(PDF) 2 Page - Agere Systems |
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E2505H21 Datasheet(HTML) 2 Page - Agere Systems |
2 / 10 page 2 Agere Systems Inc. Data Sheet, Rev. 1 September 2001 Isolated Laser Module (EM-ILM) E2500-Type 2.5 Gbits/s Electroabsorption Modulated Description (continued) The package also contains a thermoelectric cooler, thermistor, back-facet monitor, and an optical isolator. This device exhibits excellent wavelength stability, supporting operation at 100 Gbits/s channel spacing, assuming an end-of-life condition of < ±100 pm over 20 years for wavelength aging, with very low FIT rates. Wavelength stabilization schemes are not required in DWDM systems of this type, using Agere’s E2500- Type EM-ILM. The E2500-Type EM-ILM is qualified for DWDM appli- cations to Bellcore TA-TSY-000468. Module Characteristics 1-891a (F) Figure 1. E2500 EM-ILM Schematic Pin Information Table 1. Pin Assignments Package Type 14-pin butterfly with internal isolator Fiber Standard single mode Connector ST® RF Input 50 Ω nominal Bit Rate 2.5 Gbits/s CASE OR PACKAGE GROUNDS 10 k @ 25 °C Ω TEC ( −)(+) ( −) (+) (+) ( −) (+) 1 2 3 4 5 6 7 14 13 12 11 10 9 8 NOMINAL Ω IMPEDANCE 50 Pin Number Description 1Thermistor 2Thermistor 3 Laser anode 4 Monitor anode 5 Monitor cathode 6TEC (+) 7TEC (–) 8 Case ground 9 Case ground 10 Case ground 11 Laser modulator ground 12 Modulator anode (–)/50 Ω RF input 13 Laser/modulator ground 14 Case ground |
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