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Low noise precision laser diode driver
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linuswck aa8fd2c5cb sch: Update PN and Comments 2023-12-13 11:29:00 +08:00
Panel Add Front Panel Mechanical Design and Drawings 2023-12-13 11:28:56 +08:00
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kirdy.pretty pcb: Update Front Panel 3D Model 2023-12-13 11:29:00 +08:00
scripts Add Front Panel Mechanical Design and Drawings 2023-12-13 11:28:56 +08:00
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asupply.kicad_sch sch: Update PN and Comments 2023-12-13 11:29:00 +08:00
driveStage.kicad_sch sch: Place Y169010R Power Resistor 2023-12-13 11:29:00 +08:00
dsupply.kicad_sch sch: Update PN and Comments 2023-12-13 11:29:00 +08:00
eth.kicad_sch sch, pcb: Add TAN Caps to all LT304x SET Pin 2023-11-29 15:06:26 +08:00
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kirdy.kicad_pro sch, pcb: Add TAN Caps to all LT304x SET Pin 2023-11-29 15:06:26 +08:00
kirdy.kicad_sch sch: Add JLCPCB M3 x 8 Screws PN 2023-12-13 11:29:00 +08:00
kirdy.kicad_sym sch: Add Mounting Screw Symbol and MFR/PN 2023-11-29 10:47:16 +08:00
mcu.kicad_sch sch: Add JLCPCB M3 x 8 Screws PN 2023-12-13 11:29:00 +08:00
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thermostat.kicad_sch sch: Specify AD5680 MFR_PN to be -1 variant 2023-12-13 11:29:00 +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)