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PoE EMI optimization

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Modified PoE layout to account for GNDS-GND1 flow
and repositioned the noise retern capacitor.
Snubber was corrected for the transformer used and the switching
frequency. Some components were removed.
PoE Input filter was adjusted.

3.3 and 5V DCDC capacitor layout was optimised and unused components
were removed.

Signed-off-by: Dominik Sliwa <dominik@sliwa.io>
This commit is contained in:
Dominik Sliwa
2022-02-15 00:29:21 +01:00
parent f5f77585a0
commit 8fd9133aec
7 changed files with 11897 additions and 32724 deletions
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4
CM4.kicad_sch
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@@ -2436,9 +2436,9 @@
)
(bus_alias "UART" (members "TXD" "RXD" "CTS" "RTS"))
(bus_alias "PCIe" (members "~{RST}" "~{CLKREQ}" "CLK+" "CLK-" "TX+" "TX-" "RX+" "RX-"))
(bus_alias "SD" (members "D[0..3]" "CMD" "CLK" "PWR" "DET"))
(bus_alias "HDMI" (members "D0+" "D0-" "D1+" "D1-" "D2+" "D2-" "CLK+" "CLK-" "CEC" "HPD" "SDA" "SCL"))
(bus_alias "SD" (members "D[0..3]" "CMD" "CLK" "PWR" "DET"))
(bus_alias "PCIe" (members "~{RST}" "~{CLKREQ}" "CLK+" "CLK-" "TX+" "TX-" "RX+" "RX-"))
(junction (at 121.92 171.45) (diameter 0.9144) (color 0 0 0 0)
(uuid 347562f5-b152-4e7b-8a69-40ca6daaaad4)
)