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NDL7701P1C Datasheet(PDF) 1 Page - NEC |
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NDL7701P1C Datasheet(HTML) 1 Page - NEC |
1 / 2 page 1550 nm OPTICAL FIBER COMMUNICATIONS InGaAsP STRAINED MQW-DFB DC-PBH LASER DIODE MODULE NDL7701P SERIES FEATURES • PEAK EMISSION WAVELENGTH: λP = 1550 nm • LOW THRESHOLD CURRENT: ITH = 15 mA @ TC = 25 °C • InGaAs MONITOR PIN-PD • WIDE OPERATING TEMPERATURE RANGE: TC = -20 to +85 °C • BASED ON BELLCORE TA-NWT-000983 The NDL7701P Series is a 1550 nm λ/4-phase-shifted DFB (Distributed Feed-Back) laser diode with single mode fiber. The newly developed strained Multiple Quantum Well (st- MQW) structure is adopted to achieve stable dynamic single longitudinal mode operation over a wide temperature range of -20 to +85 °C. It is designed for all STM-1 and STM-4 applica- tions. DESCRIPTION California Eastern Laboratories Note: Pf 1. γ = 10 log 2mW PART NUMBER NDL7701P Series PACKAGE OUTLINE SYMBOLS PARAMETERS AND CONDITIONS UNITS MIN TYP MAX VF Forward Voltage, Pf = 2 mW, TC = 25 °C V 1.3 ITH Threshold Current, TC = 25 °CmA 15 25 ηd Differential Efficiency from Fiber, Pf = 2 mW, TC = 25 °C W/A 0.1 ∆ηd Temperature Dependence of Differential Efficiency dB -3.0 -2.5 from Fiber, ∆ηd = 10 log λp Peak Emission Wavelength, Pf = 1 mW, PN 1/2, nm 1530 1550 1570 Ib = ITH, 622 Mb/s-NRZ SMSR Side Mode Suppression Ratio, Pf = 1 mW, PN 1/2, dB 30 Ib = ITH, 622 Mb/s-NRZ tr Rise Time, 10-90%, TC = 25 °C ns 0.5 tf Fall Time, 90-10%, TC = 25 °C ns 0.5 Im Monitor Current, VR = 5 V, Pf = 2 mW µA 100 ID Monitor Dark Current, VR = 5 V, TC = 25 °C nA 0.1 5 γ1 Tracking Error, Im = const. dB 1.0 ELECTRO-OPTICAL CHARACTERISTICS (TC = -20 to +85°C, unless otherwise specified) ηd (TC = 85°C) ηd (TC = 25°C) TC = 25 °C TC = -20 to +85 °C Pf (mW) (at Pf (25 °C) = 2 mW) 2 0 Pf Im Im |
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