D-31M Datasheet, PDF (5/7 Pages) Roithner LaserTechnik GmbH – Driver for MID-IR LEDs

2. If necessary with the help of cable for synchronization connect the signal detector with the
driver D-31M (jack “SYNCRO” (7)).
Fig.5. The polarity of jackplug of cable for synchronization.
3. Insert the jackplug of power cable (stabilized, unipolar voltage, 12V) into connector "+12V DC"
(6).
Fig.6. The polarity of jackplug of power cable.
4. Using the button “Operation mode” (8) select the operating mode of the driver: QCW or pulse.
The appropriate green LED indicator “Pulse” (13) or “QCW” (14) will be turned on.
а
b
c
Fig.7. a: the button of mode selection, b: QCW mode, с: pulse mode.
5. Set the switch “I_adjust” (12) to the position “0”, corresponding the minimum value of LED current.
6. Using the button “Freq” (5) select one of four values of frequency. In the case of working in the
pulse mode select the requisite value of pulse duration by adjusting the switch “τ_pulse” (3) and
using the table 2 on the driver case.
09.07.2012
D-31M
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