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The ILX Lightwave LDC-3722B Laser Diode Controller is a combination of both laser diode current and temperature control in the same instrument. The current source provides a high stability output with a fully redundant current limit and multiple laser protection features. The built-in temperature controller can work with most thermistors and TE modules to deliver precision laser temperature control over a wide range of temperatures. Specifications. Range: 0-200 mA, 0-500 mA. Setpoint Resolution: 4 µA (200 mA), 10 µA (500 mA). Setpoint Accuracy: ±100 µA (200mA), ±250 µA (500mA). Compliance Voltage (fixed): 6.55 V maximum. Temperature Coefficient: <50 ppm/°C. Short-Term Stability (10 min.): <20 ppm. Long-Term Stability (24-hour): <50 ppm. Noise and Ripple (rms) High Bandwidth Mode: <4 µA. Worst case transients (power line induced): <5 mA. Photodiode Feedback; Range: 5 to 5000 µA. Output Stability: ±0.02%. Setpoint Accuracy: ±2.5 µA. Bias Voltage: 0-5 V reverse bias. Laser drive current display; Output current range: 0.00-200.00 mA, 0.00-500.00 mA. Output current resolution: 0.01 mA. Output current accuracy @ 25°C: ±0.1 mA (200 mA), ±0.25 mA (500 mA). TEC Output; Output Type: Bipolar, constant current source. Compliance Voltage: 4 volts at 4 amps. Maximum Output Current: 4A. Maximum Output Power: 16 W. Current Noise and Ripple: <1 mA rms. Temperature Control; Temperature Control Range: -99°C to 150°C, -20°C to 70°C with typical 10 K thermistor.
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