Low noise precision laser diode driver

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Alex Wong Tat Hang b115f89f23 roughly done		2022-07-07 01:36:20 +08:00
kirdy.pretty	add ref dac	2022-06-13 20:06:17 +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	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	roughly done	2022-07-07 01:36:20 +08:00
kirdy.kicad_pro	more routing	2022-07-06 22:24:28 +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.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
README.md	Update 'README.md'	2022-06-12 18:52:14 +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

kirdy

Low noise precision laser diode driver

Target Specs

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