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Low noise precision laser diode driver
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linuswck 41db8612c0 pcb: relocate switches for better accessibility 
- modulation depth SW and termination SW are relocated
2023-11-15 17:12:05 +08:00
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kirdy.pretty Add Front Panel, Kirdy LD Adapter 3D models 2023-11-15 17:11:51 +08:00
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.gitignore scripts: Add scripts to generate production files 2023-11-10 15:18:17 +08:00
asupply.kicad_sch sch, pcb: Correct MFR/PN and optimize BOM 2023-11-10 15:18:22 +08:00
driveStage.kicad_sch sch, pcb: Correct MFR/PN and optimize BOM 2023-11-10 15:18:22 +08:00
dsupply.kicad_sch sch, pcb: Correct MFR/PN and optimize BOM 2023-11-10 15:18:22 +08:00
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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)