品牌:LED MICROSENSOR 型号:D-31M 种类:放大器 波段范围:中红外 运转方式:可调谐式 激励方式:电激励式 工作物质:半导体 光路径:反射型外光路 输出形式:功率型 传输信号:单电源型 速度:高速 通道:多通道 输出波长:1600-5000（nm） 线宽:1（mm）

The universal driver for LEDs D-31M
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驱动D-31M提供了两种运行模式：

ü 准连续波(qCW) (准稳态)模式。在这种模式下，电流可以在25mA到250mA之间进行调节。其中有四个频率可以选择(0.5 kHz, 2 kHz, 8 kHz and 16 kHz)。

脉冲模式：在这种模式下，除了频率可以改变以外，脉冲宽度也可以在0.6-20µs范围内进行选择。峰值电流在脉冲模式下可以在0-2A范围内进行调节。

特性

• §驱动D-31M提供了两种运行模式:准连续波模式(使LED取得平均光学功率)和脉冲模式(使LED获得峰值光学功率)。
• §可调的电流幅值，重复率和脉冲宽度，用于选择适合LED的模式。
• §和选择的放大器或其它设备保持同步。
• §易用、耐用

Driver D-31M provides two modes of operation:
¤ Quasi Continuous Wave (qCW)(quasi steady-state) mode:
This mode provides maximumaverage optical powerfrom the LED. Current can be changed in the range 25-250 mA. One of four frequences (0.5 kHz, 2 kHz, 8 kHz and 16 kHz) can be selected.
¤ Pulse mode:This mode provides maximumpeak optical powerfrom the LED. In this mode in addition to adjusting of frequency, pulse duration can be also selected in the range 0.6-20 µs. Peak current can be changed in the range 0-2 A. Please, don't use combination of frequency and pulse duration that gives duty cycle >10%. We recommend using 2 A pulse current only at pulse duration <1 µs.

7. Technical characteristics.
Input voltage +12 V, stabilized
Voltage tolerance -5..+5 %
Power consumption Less then 4 W
Adjustment temperature range -10 °С..+25 °С
Board dimensions 90×50×25 mm
Weight 90 g
QCW mode Pulsed mode
Pulse duration 31 – 1000 μs 0,6 – 20 μs
Repetition rate (Frequency) 0,5 – 16 kHz 0,5 – 16 kHz
Output current amplitude 20 – 250 mA 0,1- 2,0 A

Driver D-31M provides two modes of operation:
¤ Quasi Continuous Wave (qCW)(quasi steady-state) mode:
This mode provides maximumaverage optical powerfrom the LED. Current can be changed in the range 25-250 mA. One of four frequences (0.5 kHz, 2 kHz, 8 kHz and 16 kHz) can be selected.
¤ Pulse mode:This mode provides maximumpeak optical powerfrom the LED. In this mode in addition to adjusting of frequency, pulse duration can be also selected in the range 0.6-20 µs. Peak current can be changed in the range 0-2 A. Please, don't use combination of frequency and pulse duration that gives duty cycle >10%. We recommend using 2 A pulse current only at pulse duration <1 µs.

7. Technical characteristics.
Input voltage +12 V, stabilized
Voltage tolerance -5..+5 %
Power consumption Less then 4 W
Adjustment temperature range -10 °С..+25 °С
Board dimensions 90×50×25 mm
Weight 90 g
QCW mode Pulsed mode
Pulse duration 31 – 1000 μs 0,6 – 20 μs
Repetition rate (Frequency) 0,5 – 16 kHz 0,5 – 16 kHz
Output current amplitude 20 – 250 mA 0,1- 2,0 A

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