Low noise precision laser diode driver

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README.md

kirdy

Low noise precision laser diode driver

Target Specs

Laser Diode Driver

300mA max output
4V compliance
DC to 10MHz modulation input (+/- 1V max) with selectable modulation gains
- 0.25mA/V
- 2.5mA/V
- 25mA/V
20 bit DAC control, 50Hz bandwidth
300pA/rt Hz current noise @ 1kHz
300nA RMS Noise (10Hz - 1MHz)
Drives floating laser diodes

Laser power monitor

0 - 2.5mA Photodiode current monitoring

TEC Controller

1A max output
5V compliance
+- 1mK stability

Connectivity

USB (for DFU)
Ethernet (for control and monitoring)

Power Input

12V DC
Power over Ethernet (PoE)