linuswck
/
kirdy
forked from sinara-hw/kirdy
1
0
Fork 0
Code Pull Requests Activity
Low noise precision laser diode driver
35 Commits 2 Branches 0 Tags 29 MiB
HTML 100%
Go to file
Alex Wong Tat Hang 2ad7578972 minor adjustments 2022-07-08 01:44:56 +08:00
graphics polish 2022-07-07 16:54:30 +08:00
kirdy.pretty polish 2022-07-07 16:54:30 +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
README.md Update 'README.md' 2022-06-12 18:52:14 +08:00
asupply.kicad_sch more routing 2022-07-06 22:24:28 +08:00
driveStage.kicad_sch more routing 2022-07-06 22:24:28 +08:00
dsupply.kicad_sch more routing 2022-07-06 22:24:28 +08:00
eth.kicad_sch more routing 2022-07-06 22:24:28 +08:00
fp-lib-table add symbol and footprint lib 2022-06-12 21:00:36 +08:00
kirdy.ioc add STM32CubeMX file for pin planning 2022-07-03 22:10:04 +08:00
kirdy.kicad_pcb minor adjustments 2022-07-08 01:44:56 +08:00
kirdy.kicad_pro minor adjustments 2022-07-08 01:44:56 +08:00
kirdy.kicad_sch more routing 2022-07-06 22:24:28 +08:00
kirdy.kicad_sym complete placement 2022-07-05 19:35:37 +08:00
kirdy.step minor adjustments 2022-07-08 01:44:56 +08:00
kirdy.xls routing, bom update 2022-07-06 20:30:22 +08:00
kirdy.xml add bom, finish rough placement 2022-07-05 00:50:06 +08:00
mcu.kicad_sch Complete BOM, FP assignment 2022-07-04 16:41:18 +08:00
sym-lib-table add symbol and footprint lib 2022-06-12 21:00:36 +08:00
thermostat.kicad_sch more routing 2022-07-06 22:24:28 +08:00
usb.kicad_sch complete placement 2022-07-05 19:35:37 +08:00

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)