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其他厂商性质
武汉市所在地
半导体激光管电流驱动器是构成激光器的重要组成部分,为激光管提供稳定低噪声的驱动电流,从而获得稳定的激光输出。谱线科技提供wavelength electronics制造的激光器驱动台式设备,该系列激光器驱动设备具有稳定的输出电流功率,并且低噪声,高稳定度,外触发调制,可电脑端控制等特点,可供实验室、科学研究、工业研发厂商方便使用。
参数 | 最小值 | 典型值 | 值 |
驱动电流 | 500mA | - | 2A |
电流噪声 | 0.4uA rms | 1uA rms | 1.3uA rms |
供电电压范围 | 10V | - | 20V |
调制带宽 | - | 2MHz | 3MHz |
Soft Clamping Current Limit Behavior
10 kHz Output Plot,QCL1500 at 1.15 A with 10 Ω Test Load
600 kHz Output Plot QCL1500 at 1.15 A with 10 Ω Test Load
PARAMETERS | VALUE | NOTES | |||
MIN | TYP | MAX | UNITS | ||
DRIVER OUTPUT CURRENT | |||||
Output Current | 0.5, 1.0, 1.5, or 2.0 | A | - | ||
RMS Noise Current | 0.4 | 1.0 | 1.3 | μA RMS | QCL1000 at 500 mA output, 100 kHz test bandwidth |
Noise Current Density | 1 | 2 | 4 | nA / √Hz | QCL1000 at 500 mA, 10 Ω test load |
Stability, short and long term | 5 | 10 | 15 | ppm | 25°C ambient |
Temperature Coeႈcient | 5 | 10 | 18 | ppm / °C | - |
Compliance Voltage Range | 10 | - | 20 | V | Internal Supply Voltage can be adjusted from the front panel. NOTE: With this current source, the voltage developed across the load (laser) is not driven by the controller, but by Ohm’s Law and the resistance of the load (laser). |
Slow Start Current Ramp (after Enabled) | 1.5 | msec | To setpoint | ||
Delayed Start | 2 | sec | User adjustable | ||
EXTERNAL MODULATION | |||||
Modulation Bandwidth | - | 2 | 3 | MHz | Sinewave |
Rise/Fall Time | 250 / 200 | nsec | To full scale | ||
Slew Rate | - | 30 | - | V / µsec | - |
Depth of Modulation | - | 90 | - | % | At 500 kHz |
External Modulation Input Range | -5 to +5 | V | - | ||
Input Impedance | - | 1 | - | kΩ | - |
External Modulation Input Damage Threshold | -10 to +10 | V | BNC Connector | ||
MONITORS AND OUTPUTS | |||||
Setpoint Resolution | 16 | bits | 5V = fullscale output | ||
Display Accuracy Measurement Resolution | 24 | Bits | - | ||
Accuracy, Current Output Monitor vs. Actual Current (display or analog output) | 0.2 | % | > 5% of full scale | ||
0.5 | % | < 5% of full scale | |||
Accuracy, Current Setpoint vs. Actual Current | 0.2 | % | Internal setpoint | ||
0.2 | % | External modulation | |||
Accuracy, Analog Setpoint Monitor1 | 5 | % | >10% of full scale | ||
25 | % | <10% of full scale | |||
Current Setpoint Monitor is a reference signal only, and may deviate from the actual setpoint by up to 5% when the setpoint is greater than 10% of full scale. | |||||
POWER SUPPLY REQUIREMENTS | |||||
AC Power Supply and Line Frequency | 100-120 / 220-240 VAC, 2 A, 50-60 Hz | Switch selectable: 100-120 V and 220-240 V, appropriate power cord supplied | |||
Fuse for 220-240 V | 0.63 A, 250 V, fast blow | 5×20 mm, Part #0217.630MXP, Littelfuse | |||
Fuse for 100-120 V | 1.25 A, 250 V, fast blow | 5×20 mm, Part #02351.25HXP, Littelfuse | |||
Power Consumption | 9.8 Watts | At idle, no output to QCL load | |||
GENERAL SPECIFICATIONS | |||||
Warm-up Time | 1 Hour | - | |||
Warm-up Time | USB, Ethernet | - | |||
Warranty | One (1) Year | - | |||
Safety Tested To | IEC 61000-3-2 IEC61000-3-3 IEC61000-4-2 IEC61000-4-3 IEC61000-4-4 IEC61000-4-5 IEC61000-4-6 IEC 61000-4-8 IEC 61010-1 | European Council Directive 2004/108/EC &European Council Directive 2006/95/EC | |||
ABSOLUTE MAXIMUM RATINGS | |||||
Case Operating Temperature Range | -40 to 50 | °C | - | ||
Humidity | 80 | % | Relative humidity at 30°C (non-condensing) | ||
Weight | 12 (~5.4) | lbs (kg) | - | ||
Size | 3.47×8.86 × 17.72 (89 × 226 × 450) | inches3 (mm3) | - |
Low-Noise QCL Driver Laboratory Series User Guide