sch/pcb review
if you need 3d models, you can simply unpack Altium pcbdoc file. It's container. I use 7 zip to extract all step files.
sch/pcb review
I meant this by talking about ground loops https://www.analog.com/en/analog-dialogue/articles/reducing-ground-bounce-in-dc-to-dc-converters.html
sch/pcb review
- there are still no clearances between primary and secondary side of Ethernet / PoE. Keep at least 1mm clearance
sch/pcb review
For most of the via under pads situations yes, but for the thermal vias under power hungry chips I think it is still better to have via under thermal pad.
Yes, you also need the vias to…
sch/pcb review
AD5680 is NRD
Yes, but one of the design goals was to reuse the thermostat ADC (also hard to source) and DAC to minimise software development effort.
One can use DAC in…
sch/pcb review
Just asking what's the requirement. For monitoring it's fine. For stabilisation it may be not sufficient.
This reminds me there are some telecom butterfly modules with…
sch/pcb review
U3, U4 are supplied from charge pump which has 100mA current capability. However they need to output several mAs of current. I'd increase R7 and R8 to make sure they won't overload the…
sch/pcb review
Thanks for the detailed review and comments, much appreciated.
I'd add more sophisticated LD_SHORT driving circuit to make sure somebody won't enable relay by chance during i.e.…
sch/pcb review
mechanics
- match the DC jack, USB and Ethernet connectors with panel.
- I'd recommend using THT version of laser module connectors - the SMT may fall off
- I'd recommend adding…