newaetech / sonata-pcb

Design files and associated documentation for Sonata PCB, part of the Sunburst Project
Apache License 2.0
12 stars 2 forks source link

0.2pcb/0.3pcb - ethernet jack is missing connections #11

Closed colinoflynn closed 7 months ago

colinoflynn commented 8 months ago

Ethernet jack is missing:

Here is the dev board reference: image

Here is Sonata: image

The quick fix is this sort of hackery, where the resistors are 50 ohm, and capacitor is 100nF. The capacitor may not be required, in which case you could use just a 100 ohm across the transformer:

image

Note the ethernet has other issues on the build - may need to remove the crystal (TBD)

colinoflynn commented 8 months ago

Here is a photo of one bodge version:

image

colinoflynn commented 8 months ago

This is fixed on the 0.4 PCB.