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| PGT 201 40 1620 nm DFB Laser for Supervisory Channel Applications Key Features * 1620 nm DFB laser source * Operating temperature 0 C to +70 C * Low threshold current * Cooled - TEC * Bitrates 1 - 622 Mb/s Applications * Intended as a laser source for an optical supervisory channel in D-WDM systems Description The laser module is intended as a source for an optical supervisory channel for systems with in-line amplifiers as proposed by ITU-T in G.691 and G692. The module includes an InGaAs/InP DFB laser diode, an InGaAs PIN back facet monitor diode and a TEC. 1 PGT 201 40 20.8 7.7 12.6 2.54 Figure 1. Mechanical outline Pin 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11-13. 14. Description Cooler anode N.C. Thermistor Thermistor Case ground Photodiode cathode Photodiode anode LD cathode LD anode Case ground N.C. Cooler cathode 1 7 14 8 Figure 2. Pin description 2 4.9 PGT 201 40 Optical Characteristics Electrical and optical characteristics at recommended operating conditions, unless otherwise noted. Parameter Conditions Symbol Min Typ Max Unit Peak wavelength Differential quantum efficiency Side mode supression ratio @ P f = 1 mW Peak Qeff SMSR 1613 0.035 30 1620 35 1627 nm W/A dB Electrical Characteristics Parameter Conditions Symbol Min Typ Max Unit Forward voltage Threshold current Monitor current Rise and fall time Bandwidth @ P fiber = 1 mW Vf ITh IMon tr /tf fc 400 75 2 30 470 1.0 V mA A ns MHz Operating Conditions Parameter Symbol Min Typ Max Unit Operating case temperature TC 0 70 C Absolute Maximum Ratings Parameter Symbol Min Max Unit Laser reverse voltage Laser diode forward current Photodiode reverse voltage V REV_LD IF V REV_MON 1.0 150 15 V mA V CAUTION: Stresses outside those listed in "Absolute Maximum Ratings" may cause permanent damage to the device. 3 PGT 201 40 Handling Precautions This device may be damaged as a result of electrostatic discharge (ESD). Take proper precautions during both handling and testing. This typically includes grounded wrist wraps, workbenches and floor mats in ESD controlled areas. Semiconductor devices may be damaged by current surges, use appropriate transient protection. Quality Assurance Ericsson Microelectronics commitment to quality has been proven through a decade of semiconductor device production and has been confirmed to ISO 9001. Opto product qualification is made according to the intention of applicable Telcordia standards. Connector Options FC/PC SC (Other connectors available on request) DANGER INVISIBLE LASER RADIATION AVOID DIRECT EXPOSURE TO BEAM WAVELENGTH 1300 nm - 1600 nm CLASS 3B LASER Information given in this data sheet is believed to be accurate and reliable. However no responsibility is assumed for the consequences of its use nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Ericsson Microelectronics. These products are sold only according to Ericsson Microelectronics' general conditions of sale, unless otherwise confirmed in writing. Product specifications subject to change without notice. Ericsson Microelectronics AB SE-164 81 Kista, Sweden Telephone: +46 8 757 50 00 www.ericsson.com/microelectronics For local sales contacts, please refer to our website or call: Int + 46 8 757 47 00, Fax: +46 8 757 47 76 1522-PGT 201 40 Rev. B (c) Ericsson Microelectronics AB, January 2001 4 |
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