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LD100 User Guide

Last updated: 2019-04-03 PDF version


LD100 user interface

  1. Supply VCC with a voltage between 3.3 V and 5 V.

  2. Adjust the laser current with the potentiometer (highlighted in blue). Laser current is limited at 56 mA and can be monitored at the IMON pin (33.2 mV/mA).

  3. Modulate the laser using the bias-tee input available on the Mod. in SMA connector. The modulation input is AC-coupled with a cut-off frequency of 1.6 kHz. Modulation gain is 20 mA/V above 1 MHz.

  4. The output of the integrated photodiode is available on the PD out SMA. The transfer function is Vout = 0.6 V - 510 * Iout is the photodiode current.

LD100 functional diagram

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