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The Newport 6510 Laser Diode Driver Module is designed for use in communication applications and have an internal function generator for testing systems. The user only needs to program the frequency, Imax, and Imin to modulate the laser diode output. Both sinewave or squarewave (50% duty cycle) waveforms are available from 200 Hz–300 kHz. This range of frequencies meets today’s low frequency single tone and high data rate test requirements for datacom and telecom. An external analog modulation input allows precision control of the laser output for a variety of applications. Modulation is available in both constant current (ACC) and constant power (APC) modes. A monitor photodiode may be zero biased for CW low noise applications or reversed biased up to 5 V for high frequency modulation. Specifications. Output Current Range: 0 to 1000 mA. Output Current Resolution: 0.0153 mA. Output Current Accuracy: ±(0.03% + 30 µA). Compliance Voltage: 5 V. Temperature Coefficient (ppm FS/°C): <50. Short-Term Stability (1 h) (ppm FS): <10.0. Long-Term Stability (24 h) (ppm FS): <50. Noise/Ripple (rms) Hi BW: < 10 µA. Noise/Ripple (rms) Lo BW: < 8.0 µA. Current Limit Range: 0 to 1000 mA. Resolution: 1 mA. Accuracy: ±2 mA. Internal Function Generator Waveforms: Sinewave, Squarewave. Internal Function Generator Frequency Range: 200 Hz to 300 kHz.
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