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EMC optimisations

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-eth shield is not connected to the GND rather it shields "input" of poe
-used smaller package for bulk PoE capacitor
-Changed common mode filter to Pulse T8113
-Added more inductor filters on the primary side
-replaced secondary side ferrite silter with an inductor
-used distributed "flyback" capacitor (3 instead of 1)
-slightly increased distance between the poe transformer and the
ethernet signal traces
- extended GND1 under the transformer
- primary snubber circuit is now in "hot-loop" area
-repositioned poe enable optocoupler

Signed-off-by: Dominik Sliwa <dominik@sliwa.io>
This commit is contained in:
Dominik Sliwa
2022-07-25 01:29:09 +02:00
parent a60829b4cf
commit f6dc839e95
9 changed files with 19053 additions and 13152 deletions
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@@ -1060,9 +1060,6 @@
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(path "/6888556d-e390-44b5-977e-8a0092745a4b/7ff3905c-92ad-4478-9a3f-7298fb05a7f8"
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(path "/aa1d8d83-5167-420c-9ee7-3e4dcc942bfc/55e7eada-ee5c-4622-a159-817bd9f93247"
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@@ -1156,9 +1153,6 @@
(path "/a9e0a5b9-8f0f-46f3-b2b0-a429c678afed/ccfb661f-5ac2-4e98-aa87-67b1755c6e96"
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(path "/6888556d-e390-44b5-977e-8a0092745a4b/fecbc772-ab3a-4586-97d2-e45ee77c472c"
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(path "/6888556d-e390-44b5-977e-8a0092745a4b/1b3d7e73-71c3-4407-b29c-5e90e90e7e65"
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@@ -1525,6 +1519,9 @@
(path "/a9e0a5b9-8f0f-46f3-b2b0-a429c678afed/21f395da-8a52-4550-96a6-2ade8345a1e9"
(reference "#PWR0198") (unit 1) (value "GND") (footprint "")
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(path "/6888556d-e390-44b5-977e-8a0092745a4b/6cc0aa0d-d7ed-4028-89a7-2d54e9112d39"
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(path "/a9e0a5b9-8f0f-46f3-b2b0-a429c678afed/6d409654-8187-4e33-9bfa-b7a50aaf0845"
(reference "#PWR0200") (unit 1) (value "GND") (footprint "")
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@@ -1555,9 +1552,15 @@
(path "/aa1d8d83-5167-420c-9ee7-3e4dcc942bfc/ae22ad38-0e56-4869-8984-0a65e5c47d32"
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(path "/6888556d-e390-44b5-977e-8a0092745a4b/f299d24c-f963-42e7-8093-3a4b53f56a0f"
(reference "#PWR0210") (unit 1) (value "GND1") (footprint "")
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(path "/12f6ca59-5dee-4aea-b4bb-e4b9cab2885b/99cea9c1-6f10-4a2b-ba4b-eb044f550201"
(reference "#PWR0211") (unit 1) (value "GND") (footprint "")
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(path "/6888556d-e390-44b5-977e-8a0092745a4b/1b88e9aa-0208-49cf-a45e-29e3ac98dbdd"
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(path "/441a9908-1e74-440b-b462-bdf6815583fe/ec619290-fae3-4a19-9fe5-06c0585031c3"
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@@ -1573,6 +1576,12 @@
(path "/a9e0a5b9-8f0f-46f3-b2b0-a429c678afed/5275c46e-d784-4c3a-bf5f-8648aa02487c"
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(path "/6888556d-e390-44b5-977e-8a0092745a4b/99036ad3-af2a-4211-a692-eb34be2a3648"
(reference "#PWR0219") (unit 1) (value "GND") (footprint "")
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(path "/6888556d-e390-44b5-977e-8a0092745a4b/28d4c9a9-5b94-4624-8eb6-a49babc74d06"
(reference "#PWR0220") (unit 1) (value "GND1") (footprint "")
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(path "/441a9908-1e74-440b-b462-bdf6815583fe/8315a3b5-025a-4501-86bf-a0c1f08f1755"
(reference "BT1") (unit 1) (value "Battery_Cell") (footprint "Battery:BatteryHolder_Keystone_1060_1x2032")
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@@ -1621,6 +1630,9 @@
(path "/aa1d8d83-5167-420c-9ee7-3e4dcc942bfc/eda2f89f-15a5-465c-9dd7-9cc644b43933"
(reference "C15") (unit 1) (value "100n") (footprint "Capacitor_SMD:C_0402_1005Metric")
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(path "/6888556d-e390-44b5-977e-8a0092745a4b/f552ad18-1d84-4841-b170-552b0e5114b4"
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@@ -1819,11 +1831,14 @@
(path "/6888556d-e390-44b5-977e-8a0092745a4b/a34d7bd3-45e8-42ad-b663-044e4dc4929f"
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(path "/6888556d-e390-44b5-977e-8a0092745a4b/c47953fa-7b0c-4dcf-a435-3cba4f316d6e"
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(path "/6888556d-e390-44b5-977e-8a0092745a4b/cb05c5d9-98d8-4d15-b8ea-c1f0e73e3d28"
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(path "/6888556d-e390-44b5-977e-8a0092745a4b/c9b10441-da14-49c4-aad8-732b445a3393"
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@@ -1831,6 +1846,12 @@
(path "/6888556d-e390-44b5-977e-8a0092745a4b/1080aeba-e735-4ad7-be0a-6a2d6a01752a"
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(path "/6888556d-e390-44b5-977e-8a0092745a4b/230000fa-de2c-456c-bf7b-8411aa50c0d9"
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(path "/6888556d-e390-44b5-977e-8a0092745a4b/b003c64b-4203-4f6e-a3cb-7b5a4ccb7884"
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(path "/6888556d-e390-44b5-977e-8a0092745a4b/ef0c4597-afa6-4010-81d3-9e1dc77e1381"
(reference "C91") (unit 1) (value "2u2/100V") (footprint "Capacitor_SMD:C_1206_3216Metric")
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@@ -1838,7 +1859,7 @@
(reference "C92") (unit 1) (value "220n/100V") (footprint "Capacitor_SMD:C_0805_2012Metric")
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(path "/6888556d-e390-44b5-977e-8a0092745a4b/432cb219-d1cd-4572-89b9-d8b55fada2cb"
(reference "C93") (unit 1) (value "100p/2kV") (footprint "Capacitor_SMD:C_1812_4532Metric")
(reference "C93") (unit 1) (value "1nF/2kV") (footprint "Capacitor_SMD:C_1812_4532Metric")
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(path "/6888556d-e390-44b5-977e-8a0092745a4b/cd22499b-6b90-4aab-a8f9-9b7a2f17d309"
(reference "C94") (unit 1) (value "1n/100V") (footprint "Capacitor_SMD:C_0805_2012Metric")
@@ -1889,7 +1910,7 @@
(reference "C109") (unit 1) (value "2n2/25V") (footprint "Capacitor_SMD:C_0402_1005Metric")
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(path "/6888556d-e390-44b5-977e-8a0092745a4b/b6331339-fd3c-4505-91f7-93d57af7164c"
(reference "C110") (unit 1) (value "1n/100V") (footprint "Capacitor_SMD:C_0805_2012Metric")
(reference "C110") (unit 1) (value "10n/100V") (footprint "Capacitor_SMD:C_0805_2012Metric")
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@@ -1900,6 +1921,15 @@
(path "/aa1d8d83-5167-420c-9ee7-3e4dcc942bfc/a038d86c-0f19-478f-af2c-2894454305e1"
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(path "/6888556d-e390-44b5-977e-8a0092745a4b/18c7d698-74b8-4d61-b660-ef6def0f4ceb"
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(path "/6888556d-e390-44b5-977e-8a0092745a4b/7c75ac73-971c-4f0f-9256-9b86fcb1183e"
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(path "/6888556d-e390-44b5-977e-8a0092745a4b/8f86f40c-d0e9-4119-90cb-0d590df45bb4"
(reference "C116") (unit 1) (value "2u2/100V") (footprint "Capacitor_SMD:C_1206_3216Metric")
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(path "/a1a835e0-c072-4609-9cb4-4b95bf746f54/14257d11-70b4-4524-bbc7-c9c364d35ee5"
(reference "D1") (unit 1) (value "LED_Small") (footprint "LED_SMD:LED_0603_1608Metric")
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@@ -2002,9 +2032,6 @@
(path "/6888556d-e390-44b5-977e-8a0092745a4b/5c30cbcd-3ab9-4a62-a803-d67c8d01514c"
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(path "/d6694e6a-eae0-4147-bc94-8d2c65eec42f"
(reference "FID1") (unit 1) (value "Fiducial") (footprint "Fiducial:Fiducial_1mm_Mask2mm")
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@@ -2029,8 +2056,8 @@
(path "/902787ce-17d4-4a85-914c-caf2c76e7348"
(reference "FID8") (unit 1) (value "Fiducial") (footprint "Fiducial:Fiducial_1mm_Mask2mm")
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(path "/6888556d-e390-44b5-977e-8a0092745a4b/59b3b2a4-69cc-4b91-a496-9a2aacf0b558"
(reference "FL1") (unit 1) (value "1k@100MHz{slash}500mA") (footprint "Yellow:L_CommonModeChoke_Murata_DLW5B")
(path "/6888556d-e390-44b5-977e-8a0092745a4b/2ec7d5a7-9fdf-49d6-b5fd-da6778354b49"
(reference "FL1") (unit 1) (value "T8113") (footprint "Yellow:L_CommonModeChoke_Pulse_T811x")
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(path "/13673698-1ae8-48ac-89ad-67bec4817dbe"
(reference "H1") (unit 1) (value "MountingHole") (footprint "MountingHole:MountingHole_2.7mm_M2.5")
@@ -2101,15 +2128,21 @@
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(reference "L1") (unit 1) (value "3u3") (footprint "Inductor_SMD:L_Taiyo-Yuden_NR-80xx")
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@@ -2194,9 +2227,6 @@
(path "/18c18357-12fa-4472-a108-e954e5bd7840/021dd781-c0a2-4e06-a8a9-18b3d36b8b01"
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(reference "R25") (unit 1) (value "1k") (footprint "Resistor_SMD:R_0402_1005Metric")
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@@ -2312,10 +2342,10 @@
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(reference "R66") (unit 1) (value "41R2/1%") (footprint "Resistor_SMD:R_0402_1005Metric")
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@@ -2326,6 +2356,9 @@
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