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Low noise precision laser diode driver
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linuswck 86f5addbad sch: Correct typos in TEC_~{SHDN} ports 2023-10-30 12:17:26 +08:00
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.gitignore remove ref dac sheet, finish thermostat 2022-06-15 15:47:20 +08:00
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driveStage.kicad_sch sch: Set DNP for DNP components 2023-10-25 17:36:20 +08:00
dsupply.kicad_sch sch: Change PoE RJ45 Jack and change PM1202 Symbol 2023-10-27 15:33:39 +08:00
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kirdy.kicad_sch sch: Correct typos in TEC_~{SHDN} ports 2023-10-30 12:17:26 +08:00
kirdy.kicad_sym sch: Change PoE RJ45 Jack and change PM1202 Symbol 2023-10-27 15:33:39 +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)