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LSC2500 датащи(PDF) 4 Page - Agilent(Hewlett-Packard) |
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LSC2500 датащи(HTML) 4 Page - Agilent(Hewlett-Packard) |
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4 / 6 page ![]() 562 Parameter Minimum Maximum Units Laser Forward Current - 150 mA Laser Reverse Voltage - 3.0 V Photodiode Forward Current - 1 mA Photodiode Reverse Voltage (Vr) - –10 V Fiber Pull Strength - 10 N Operating Temperature (Case) –20 +65 °C Storage Temperature –40 +85 °C Mechanical Shock MIL-STD-883, Method 2002, Test Condition B Vibration MIL-STD-883, Method 2007, Test Condition A TEC Current - 1.1 A TEC Voltage - 3.0 V Absolute Maximum Ratings at +25 °C Absolute limiting (maximum) ratings mean that no catastrophic damage will occur if the product is subjected to these ratings for short periods, provided that each limiting parameter is in isolation and all other parameters have values within the performance specification. It should not be assumed that limiting values of more than one parameter can be applied to the product at the same time. Performance Specifications – Laser[1] Parameter Minimum Typical Maximum Units Threshold Current (Ith) 10 - 30 mA Slope Efficiency[3] 0.02 0.05 0.12 mW/mA Rise Time: 10% to 90% - - 0.12 ns Fall Time: 90% to 10% - - 0.12 ns Peak Wavelength 1535 - 1565 nm Spectral Width (–30 dB) Modulated - - 0.6 nm Temperature Dependence of Peak Wavelength - 0.10 - nm/ °C Sidemodes (Modulated)[2] - - –34 dB Dispersion Penalty (1800 ps/nm)[2] - - 1.5 dB Tracking Error +65 °C Case, +25°C Chip[4] - - 0.5 dB –20 °C Case, +25°C Chip - - 0.5 dB Flatness of Frequency Response to 3 GHz - - ± 1.5 dB Cut Off Frequency 3.5 4.3 - GHz Notes: 1. At +25 °C and Pf = 2 mW unless otherwise specified. 2. Measured at PRBS 223-1, 2.488 Gb/s, 12% extinction. 3. Other slope efficiencies available on request. 4. Fiber output power change for constant monitor output current. |
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