search

sinara-hw / Sayma_AMC

AMC FPGA carrier board with FMC, dual SFP and RTM
8 stars 6 forks source link

Autorouter madness #104

Closed marmeladapk closed 5 years ago

marmeladapk commented 5 years ago

Zrzut ekranu z 2019-04-15 13 50 11

marmeladapk commented 5 years ago

Zrzut ekranu z 2019-04-15 13 58 11

Unneded layer change and gnd is too far

marmeladapk commented 5 years ago

Zrzut ekranu z 2019-04-15 14 04 18 Shared via

marmeladapk commented 5 years ago

Zrzut ekranu z 2019-04-15 14 05 32

marmeladapk commented 5 years ago

IC32A

Zrzut ekranu z 2019-04-15 14 10 45

marmeladapk commented 5 years ago

Near IC21, IC20 has a similar problem

Zrzut ekranu z 2019-04-15 14 15 54

marmeladapk commented 5 years ago

Near C441 Zrzut ekranu z 2019-04-15 14 24 03

marmeladapk commented 5 years ago

General remark: more vias to ground for caps on the right of the FPGA?

marmeladapk commented 5 years ago

Q1

Zrzut ekranu z 2019-04-15 14 32 47

marmeladapk commented 5 years ago

Si5324 could use moure grounding vias

marmeladapk commented 5 years ago

C102 Zrzut ekranu z 2019-04-15 14 36 21

marmeladapk commented 5 years ago
marmeladapk commented 5 years ago

Zrzut ekranu z 2019-04-15 16 23 14

Not needed wobbles

gkasprow commented 5 years ago

some loops are intentional. The first one is to protect traces against ESD discharge.