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Low noise precision laser diode driver
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linuswck fcae5b785e sch: Correct SWD Header MF/PN and Update Footprint 
- Use Adafuit 4048 Mini SWD Headers
- Silkscreen is modified to indicate orientation of the header
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bom add V01 production files, bug fixes 2022-08-05 05:04:05 +08:00
graphics polish 2022-07-07 16:54:30 +08:00
kirdy.pretty sch: Correct SWD Header MF/PN and Update Footprint 2023-10-27 17:42:46 +08:00
Panel add V01 production files, bug fixes 2022-08-05 05:04:05 +08:00
sch first draft complete 2022-07-04 09:33:43 +08:00
.gitignore remove ref dac sheet, finish thermostat 2022-06-15 15:47:20 +08:00
asupply.kicad_sch sch: Fix Issue #14 2023-10-25 17:36:20 +08:00
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
eth.kicad_sch sch: Change PoE RJ45 Jack and change PM1202 Symbol 2023-10-27 15:33:39 +08:00
fp-lib-table add symbol and footprint lib 2022-06-12 21:00:36 +08:00
kirdy v01.step add V01 production files, bug fixes 2022-08-05 05:04:05 +08:00
kirdy v01.zip add V01 production files, bug fixes 2022-08-05 05:04:05 +08:00
kirdy.ioc v 0.2 schematics 2022-08-18 15:47:33 +08:00
kirdy.kicad_pcb pcb: migrate to kicad 7 2023-10-25 17:35:58 +08:00
kirdy.kicad_pro sch: Change PoE RJ45 Jack and change PM1202 Symbol 2023-10-27 15:33:39 +08:00
kirdy.kicad_sch sch: Change PoE RJ45 Jack and change PM1202 Symbol 2023-10-27 15:33:39 +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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thermostat.kicad_sch sch: Support Temp ADC in alternate footprint 2023-10-25 17:36:20 +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)