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Benchtop Laser Diode Controllers High stability, low noise current source with integrated 32W temperature controller Three models available with up to 4A laser drive current Analog modulation capability to 1MHz Temperature controller compatible with thermistor, IC, and RTD temperature sensors LDC-3700B Laser Diode Controller Model LDC-3714B LDC-3724B LDC-3744B Maximum Current Output 50mA/100mA 200mA/500mA 2A/4A Noise and Ripple <1.5µA/<1.5µA <2µA/<2µA <10µA/<10µA Short Term Stability <20ppm <20ppm <20ppm Compliance Voltage 10V 10V 10V Analog Modulation Input Yes Yes Yes Laser Diode Protection Precision 4-Wire voltage measurement Adjustable compliance voltage Slow start circuit Independent current limit Double shielded transformer Transient protection TEC Output Power 32W 32W 32W TEC Output Current 4A 4A 4A TEC Output Voltage 8V 8V 8V Temperature Stability <±0.01°C <±0.01°C <±0.01°C Temperature Control Range -100.0°C to 99.9°C -100.0°C to 99.9°C -100.0°C to 99.9°C   Thermistor Sensor Yes Yes Yes   IC Sensor Yes Yes Yes   RTD Yes Yes Yes TEC Measurement Display Temperature, current, resistance Temperature, current, resistance Temperature, current, resistance TEC Control Loop Hybrid P-I Hybrid P-I Hybrid P-I TEC Voltage Measurement Yes Yes Yes GPIB Interface Yes Yes Yes