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Current Control
Display Laser Current On: LED
Trim Potentiometers (15 Turn): ILD, IPD Resp. PLD, ILD,LIM
Control Range of Laser Current: 0 to ±3 A (a)
Compliance Voltage: >4 V
Setting Accuracy / Repeatability (Full Scale): ±2% Typical / ±0.1%
Noise (10 Hz to 10 MHz, rms): <25 µA
Drift (30 min, 0 to 10 Hz, Typical): <300 µA
Temperature Coefficient: <50 ppm/°C
Power Control
Control Range Photo Diode Current: 5 µA to 2 mA
Accuracy / Repeatability (Full Scale): ±2% Typical / ±0.1%
Photodiode Reverse Bias Voltage: 0 V or 5 V
Current Limit
Setting Range: 0 to >3 A
Setting Accuracy / Repeatability (Full Scale): ±2% Typical / ±0.1%
Analog Modulation Input
Input Resistance: 10 kΩ
Modulation Coefficient, CC: 600 mA/V ± 5%
Small Signal 3 dB Bandwidth, CC: DC to 20 kHz
Modulation Coefficient, CP: 0.4 mA/V ± 5%
TTL Modulation Input
Rise/ Fall Time: <100 µs
TTL Control Input: LD ON
Measurements and Control Outputs
Analog Measurement Values: ILD, IPD, ILD,LIM
Measurements Outputs: 0 to ±5 V
Measurements Accuracy (Typical, Load > 500 kΩ): ±2%
TTL Control Outputs: LD ON, LIMIT
General Data
Supply Voltage / Current: ±12 to ±15 V / 3.1 A (a)
Operating Temperature: 0 to 40°C
Storage Temperature: -40°C to 70°C (Non-Condensing)
Warm-Up Time for Rated Accuracy: 10 min
Dimensions (W x H x D): 100 mm x 42 mm x 160 mm (Eurocard)
Weight: < 0.7 kg
(a) The total combined current for the ITC133 is limited by the total thermal dissipation loss. Optimized cooling by fan or a larger heat sink allows 3 A LD and 3 A TEC at the same time, provided the power supply provides 6.1 A
All technical data are valid at 23 ± 5 °C and 45 ±15% relative humidity (non-condensing).
