diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml index bd44836..d0c5d44 100644 --- a/.github/workflows/ci.yml +++ b/.github/workflows/ci.yml @@ -90,7 +90,7 @@ jobs: submodules: true - name: Run ERC - uses: INTI-CMNB/KiBot@v2_k7 + uses: INTI-CMNB/KiBot@v2_k8 with: config: ${{ env.KIBOT_CONFIG }} schema: ${{ env.SCHEMATIC_FILE }} @@ -116,7 +116,7 @@ jobs: submodules: true - name: Run DRC - uses: INTI-CMNB/KiBot@v2_k7 + uses: INTI-CMNB/KiBot@v2_k8 with: config: ${{ env.KIBOT_CONFIG }} board: ${{ env.PCB_FILE }} @@ -143,7 +143,7 @@ jobs: with: submodules: true - - uses: INTI-CMNB/KiBot@v2_k7 + - uses: INTI-CMNB/KiBot@v2_k8 with: config: ${{ env.KIBOT_CONFIG }} schema: ${{ env.SCHEMATIC_FILE }} diff --git a/KiCAD_CopperFillPoly.py b/KiCAD_CopperFillPoly.py index a1c6734..f666614 100755 --- a/KiCAD_CopperFillPoly.py +++ b/KiCAD_CopperFillPoly.py @@ -1,28 +1,28 @@ #!/usr/bin/env python -import sys, os -import shutil import math - -LIST_pts = [" (polygon\n (pts\n (xy "," (filled_polygon\n (pts\n (xy ",") (xy ",")\n )\n )"] - - -ARC = " (gr_arc (start {center[x]:.4f} {center[y]:.4f}) (end {start[x]:.4f} {start[y]:.4f}) (angle {angle:.4f}) (layer Edge.Cuts) (width 0.15))" +import uuid def draw_slotted_arc(center, inner_radius, outer_radius, slot_angle, angle_offset): - start_angle = math.radians(45 - slot_angle / 2 + angle_offset) # radians + start_angle = math.radians(angle_offset) # radians angle = math.radians(slot_angle) # radians - start_inner = {'x': inner_radius * math.cos(start_angle) + center['x'], 'y': -1 * inner_radius * math.sin(start_angle) + center['y']} - start_outer = {'x': outer_radius * math.cos(start_angle) + center['x'], 'y': -1 * outer_radius * math.sin(start_angle) + center['y']} - center_endcap1 = {'x': (outer_radius + inner_radius) / 2 * math.cos(start_angle) + center['x'], 'y': -1 * (outer_radius + inner_radius) / 2 * math.sin(start_angle) + center['y']} - center_endcap2 = {'x': (outer_radius + inner_radius) / 2 * math.cos(start_angle + angle) + center['x'], 'y': -1 * (outer_radius + inner_radius) / 2 * math.sin(start_angle + angle) + center['y']} - start_endcap2 = {'x': outer_radius * math.cos(start_angle + angle) + center['x'], 'y': -1 * outer_radius * math.sin(start_angle + angle) + center['y']} - - print(ARC.format(center=center, start=start_inner, angle=-1*math.degrees(angle))) - print(ARC.format(center=center, start=start_outer, angle=-1*math.degrees(angle))) - print(ARC.format(center=center_endcap1, start=start_inner, angle=-180)) - print(ARC.format(center=center_endcap2, start=start_endcap2, angle=-180)) - + start = {'x': math.cos(start_angle - angle/2), 'y': -1 * math.sin(start_angle - angle/2)} + mid = {'x': math.cos(start_angle), 'y': -1 * math.sin(start_angle)} + end = {'x': math.cos(start_angle + angle/2), 'y': -1 * math.sin(start_angle + angle/2)} + endcap_angle_offset = 2 * math.asin((outer_radius - inner_radius) / 2 / (outer_radius + inner_radius)) + endcap_mid_end = {'x': math.cos(start_angle + angle/2 + endcap_angle_offset), 'y': -1 * math.sin(start_angle + angle/2 + endcap_angle_offset)} + endcap_mid_start = {'x': math.cos(start_angle - angle/2 - endcap_angle_offset), 'y': -1 * math.sin(start_angle - angle/2 - endcap_angle_offset)} + + for radius in [inner_radius, outer_radius]: + print( + f'\t(gr_arc\n\t\t(start {start["x"]*radius+center["x"]:.6f} {start["y"]*radius+center["y"]:.6f})\n\t\t(mid {mid["x"]*radius+center["x"]:.6f} {mid["y"]*radius+center["y"]:.6f})\n\t\t(end {end["x"]*radius+center["x"]:.6f} {end["y"]*radius+center["y"]:.6f})\n\t\t(stroke\n\t\t\t(width 0.15)\n\t\t\t(type solid)\n\t\t)\n\t\t(layer Edge.Cuts)\n\t\t(uuid "{uuid.uuid4()}")\n\t)' + ) + print( + f'\t(gr_arc\n\t\t(start {end["x"]*outer_radius+center["x"]:.6f} {end["y"]*outer_radius+center["y"]:.6f})\n\t\t(mid {endcap_mid_end["x"]*(inner_radius+outer_radius)/2+center["x"]:.6f} {endcap_mid_end["y"]*(inner_radius+outer_radius)/2+center["y"]:.6f})\n\t\t(end {end["x"]*inner_radius+center["x"]:.6f} {end["y"]*inner_radius+center["y"]:.6f})\n\t\t(stroke\n\t\t\t(width 0.15)\n\t\t\t(type solid)\n\t\t)\n\t\t(layer Edge.Cuts)\n\t\t(uuid "{uuid.uuid4()}")\n\t)' + ) + print( + f'\t(gr_arc\n\t\t(start {start["x"]*outer_radius+center["x"]:.6f} {start["y"]*outer_radius+center["y"]:.6f})\n\t\t(mid {endcap_mid_start["x"]*(inner_radius+outer_radius)/2+center["x"]:.6f} {endcap_mid_start["y"]*(inner_radius+outer_radius)/2+center["y"]:.6f})\n\t\t(end {start["x"]*inner_radius+center["x"]:.6f} {start["y"]*inner_radius+center["y"]:.6f})\n\t\t(stroke\n\t\t\t(width 0.15)\n\t\t\t(type solid)\n\t\t)\n\t\t(layer Edge.Cuts)\n\t\t(uuid "{uuid.uuid4()}")\n\t)' + ) if __name__ == '__main__': @@ -31,6 +31,6 @@ def draw_slotted_arc(center, inner_radius, outer_radius, slot_angle, angle_offse outer_radius = 8 # mm angle = 60 # degrees - for offset in [0, 90, 180, 270]: + for offset in [45, 135, 225, 315]: draw_slotted_arc(center=center, inner_radius=inner_radius, outer_radius=outer_radius, slot_angle=angle, angle_offset=offset) diff --git a/LM399.kicad_sch b/LM399.kicad_sch index 71dbb58..c43c7fc 100644 --- a/LM399.kicad_sch +++ b/LM399.kicad_sch @@ -1,1620 +1,4166 @@ -(kicad_sch (version 20230121) (generator eeschema) - - (uuid 0ff508fd-18da-4ab7-9844-3c8a28c2587e) - - (paper "A4") - - (title_block - (title "LM399 negative voltage reference") - (date "2023-11-26") - (rev "3.4.1") - (comment 1 "Copyright (©) 2023, Patrick Baus ") - (comment 2 "Licensed under CERN OHL-W v2.0") - ) - - (lib_symbols - (symbol "Amplifier_Operational:OP07" (pin_names (offset 0.127)) (in_bom yes) (on_board yes) - (property "Reference" "U" (at 1.27 6.35 0) - (effects (font (size 1.27 1.27)) (justify left)) - ) - (property "Value" "OP07" (at 1.27 3.81 0) - (effects (font (size 1.27 1.27)) (justify left)) - ) - (property "Footprint" "" (at 1.27 1.27 0) - 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) - - (wire (pts (xy 76.2 60.96) (xy 76.2 64.77)) - (stroke (width 0) (type default)) - (uuid f4eb0267-179f-46c9-b516-9bfb06bac1ba) - ) - (wire (pts (xy 176.53 59.69) (xy 176.53 76.2)) - (stroke (width 0) (type default)) - (uuid feb26ecb-9193-46ea-a41b-d09305bf0a3e) - ) - - (text "17k: Pin 1 <-> Pin 2\n20k: Pin 2 <-> Pin 3\nPin 1 is marked on\nthe package" - (at 200.66 135.89 0) - (effects (font (size 1.524 1.524)) (justify left bottom)) - (uuid 065b9982-55f2-4822-977e-07e8a06e7b35) - ) - (text "e.g. ERA-6ARB752V (10 ppm)\nPCF0805-13-7K5-B-T1 (5 ppm),\nTE Connectivity RU73X2A7K5LTDF (2 ppm),\nVishay S102 (2 ppm)" - (at 190.5 50.8 0) - (effects (font (size 1.524 1.524)) (justify left bottom)) - (uuid 22999e73-da32-43a5-9163-4b3a41614f25) - ) - (text "Trace resistance of 0.32 Ohm\n(100mm, 4000 ppm / K) causes\na 1.5 µV / K error." - (at 59.69 34.29 0) - (effects (font (size 1.524 1.524)) (justify left bottom)) - (uuid 262f1ea9-0133-4b43-be36-456207ea857c) - ) - (text "Kelvin connect the Zener. Even the the small current\npassing through R2 (1 mA) will introduce an error of 0.2 ppm/K\ngiven a normal PCB copper trace.\n(10 mm trace 0=> 0.2 ohm, 1 mA, 0.7 % tcr, ~7 V reference)" - (at 29.21 132.08 0) - (effects (font (size 1.524 1.524)) (justify left bottom)) - (uuid 5edcefbe-9766-42c8-9529-28d0ec865573) - ) - (text "Mount the LM399 a *little* off the board,\nto keep stress away.\nSource: http://www.eevblog.com/forum/\nmetrology/ultra-precision-reference-ltz1000/\nmsg404500/#msg404500" - (at 226.06 74.93 0) - (effects (font (size 1.524 1.524)) (justify left bottom)) - (uuid 658dad07-97fd-466c-8b49-21892ac96ea4) - ) - (text "Kelvin connect this to the V_zener+ input pin" (at 195.58 139.7 0) - (effects (font (size 1.524 1.524)) (justify left bottom)) - (uuid 6e68f0cd-800e-4167-9553-71fc59da1eeb) - ) - (text "Note: Use a TE 8060-1G12\nor 8060-1G22 socket to\nmount diodes for burn-in.\nThe 1G22 is smaller in\nheight, but harder to get." - (at 16.51 84.582 0) - (effects (font (size 1.524 1.524)) (justify left bottom)) - (uuid 721d1be9-236e-470b-ba69-f1cc6c43faf9) - ) - (text "This resistor will supply the zener current.\nIt does not need to be exactely 7.5k, but a\nzener current of 1 mA or slightly above is\nrecommended (ADR1399 needs 3mA).\nThis resistor needs to be matched if the\namplification is changed. Currently\nI_Zener = (15 V - 6.95 V) / 7.5k" - (at 130.81 49.53 0) - (effects (font (size 1.524 1.524)) (justify left bottom)) - (uuid 81a15393-727e-448b-a777-b18773023d89) - ) - (text "The output drift with the zener current\nis about 0.15 ppm / ppm maximum.\nIn order to meet the LM399 specs make sure the resistor\nhas a maximum TCR of 10 ppm / K (results in 1.5 ppm / K)." - (at 190.5 40.64 0) - (effects (font (size 1.524 1.524)) (justify left bottom)) - (uuid a4f86a46-3bc8-4daa-9125-a63f297eb114) - ) - (text "Use 1 oz./sqft of copper to\nminimize trace resistance and\ntherefore minimize succeptibility\nto temperature." - (at 59.69 24.13 0) - (effects (font (size 1.524 1.524)) (justify left bottom)) - (uuid a5e521b9-814e-4853-a5ac-f158785c6269) - ) - (text "If the a moving cap is a problem,\nwe could increase the pin spacing\non the PCB and bend the legs a\nlitte, so that they hold the cap in\nplace. This was done by HP in the\n3456A." - (at 15.24 50.8 0) - (effects (font (size 1.524 1.524)) (justify left bottom)) - (uuid a6ccc556-da88-4006-ae1a-cc35733efef3) - ) - (text "The LM399 has a\nTCR of 0.3 ppm/K" (at 26.67 69.85 0) - (effects (font (size 1.524 1.524)) (justify left bottom)) - (uuid c1c799a0-3c93-493a-9ad7-8a0561bc69ee) - ) - (text "Compensation\nnetwork for\nthe ADR1399." (at 83.82 59.69 0) - (effects (font (size 1.524 1.524)) (justify left bottom)) - (uuid c24d6ac8-802d-4df3-a210-9cb1f693e865) - ) - (text "Use a Film capacitor with a high insulation\nresistance (no polyester), which is stable\nover temperature. Nowadays C0G (BME) is\neven better than film.\nInformation on insulation resistance can be found here:\nhttp://www.iequalscdvdt.com/Insulation_resis_.html\nhttps://www.vishay.com/docs/26033/gentechinfofilm.pdf" - (at 200.66 125.73 0) - (effects (font (size 1.524 1.524)) (justify left bottom)) - (uuid dc2801a1-d539-4721-b31f-fe196b9f13df) - ) - (text "The diode ensures correct startup\nand also makes sure the DAC, that\nfollows never sees a positive\nvoltage" - (at 209.55 102.87 0) - (effects (font (size 1.524 1.524)) (justify left bottom)) - (uuid e4d2f565-25a0-48c6-be59-f4bf31ad2558) - ) - (text "Output voltage Table:\nVoltage | R1 | RN1a | RN1b\n-----------------------\n-10 V | 3k | 20k | 9k\n-15 V | 7.5k | 17k | 20k" - (at 52.07 152.4 0) - (effects (font (size 1.524 1.524)) (justify left bottom)) - (uuid ec5c2062-3a41-4636-8803-069e60a1641a) - ) - - (label "V_zener+" (at 76.2 60.96 90) (fields_autoplaced) - (effects (font (size 1.524 1.524)) (justify left bottom)) - (uuid 37e8181c-a81e-498b-b2e2-0aef0c391059) - 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"994b6220-4755-4d84-91b3-6122ac1c2c5e") + ) + (wire + (pts + (xy 203.2 102.87) (xy 203.2 101.6) + ) + (stroke + (width 0) + (type default) + ) + (uuid "998b7fa5-31a5-472e-9572-49d5226d6098") + ) + (wire + (pts + (xy 71.12 69.85) (xy 71.12 60.96) + ) + (stroke + (width 0) + (type default) + ) + (uuid "a24ddb4f-c217-42ca-b6cb-d12da84fb2b9") + ) + (wire + (pts + (xy 180.34 101.6) (xy 180.34 111.76) + ) + (stroke + (width 0) + (type default) + ) + (uuid "a6b7df29-bcf8-46a9-b623-7eaac47f5110") + ) + (wire + (pts + (xy 148.59 69.85) (xy 148.59 83.82) + ) + (stroke + (width 0) + (type default) + ) + (uuid "a9b3f6e4-7a6d-4ae8-ad28-3d8458e0ca1a") + ) + (wire + (pts + (xy 71.12 72.39) (xy 71.12 69.85) + ) + (stroke + (width 0) + (type default) + ) + (uuid "aa2ea573-3f20-43c1-aa99-1f9c6031a9aa") + ) + (polyline + (pts + (xy 86.36 62.23) (xy 100.33 62.23) + ) + (stroke + (width 0) + (type default) + ) + (uuid "b1ddb058-f7b2-429c-9489-f4e2242ad7e5") + ) + (wire + (pts + (xy 203.2 93.98) (xy 203.2 91.44) + ) + (stroke + (width 0) + (type default) + ) + (uuid "b6135480-ace6-42b2-9c47-856ef57cded1") + ) + (wire + (pts + (xy 58.42 73.66) (xy 58.42 69.85) + ) + (stroke + (width 0) + (type default) + ) + (uuid "b7867831-ef82-4f33-a926-59e5c1c09b91") + ) + (polyline + (pts + (xy 86.36 87.63) (xy 86.36 62.23) + ) + (stroke + (width 0) + (type default) + ) + (uuid "c106154f-d948-43e5-abfa-e1b96055d91b") + ) + (wire + (pts + (xy 158.75 69.85) (xy 158.75 72.39) + ) + (stroke + (width 0) + (type default) + ) + (uuid "ca5a4651-0d1d-441b-b17d-01518ef3b656") + ) + (wire + (pts + (xy 180.34 91.44) (xy 203.2 91.44) + ) + (stroke + (width 0) + (type default) + ) + (uuid "d081f5fa-1b2a-461b-8896-ddb64d762181") + ) + (wire + (pts + (xy 158.75 102.87) (xy 148.59 102.87) + ) + (stroke + (width 0) + (type default) + ) + (uuid "d0d2eee9-31f6-44fa-8149-ebb4dc2dc0dc") + ) + (wire + (pts + (xy 92.71 85.09) (xy 92.71 83.82) + ) + (stroke + (width 0) + (type default) + ) + (uuid "d39d813e-3e64-490c-ba5c-a64bb5ad6bd0") + ) + (wire + (pts + (xy 129.54 59.69) (xy 147.32 59.69) + ) + (stroke + (width 0) + (type default) + ) + (uuid "d9c6d5d2-0b49-49ba-a970-cd2c32f74c54") + ) + (wire + (pts + (xy 139.7 93.98) (xy 139.7 124.46) + ) + (stroke + (width 0) + (type default) + ) + (uuid "e1535036-5d36-405f-bb86-3819621c4f23") + ) + (wire + (pts + (xy 71.12 83.82) (xy 71.12 82.55) + ) + (stroke + (width 0) + (type default) + ) + (uuid "e54e5e19-1deb-49a9-8629-617db8e434c0") + ) + (wire + (pts + (xy 139.7 124.46) (xy 167.64 124.46) + ) + (stroke + (width 0) + (type default) + ) + (uuid "e65b62be-e01b-4688-a999-1d1be370c4ae") + ) + (polyline + (pts + (xy 100.33 62.23) (xy 100.33 87.63) + ) + (stroke + (width 0) + (type default) + ) + (uuid "eee16674-2d21-45b6-ab5e-d669125df26c") + ) + (wire + (pts + (xy 71.12 87.63) (xy 71.12 83.82) + ) + (stroke + (width 0) + (type default) + ) + (uuid "f40d350f-0d3e-4f8a-b004-d950f2f8f1ba") + ) + (polyline + (pts + (xy 100.33 87.63) (xy 86.36 87.63) + ) + (stroke + (width 0) + (type default) + ) + (uuid "f449bd37-cc90-4487-aee6-2a20b8d2843a") + ) + (wire + (pts + (xy 76.2 60.96) (xy 76.2 64.77) + ) + (stroke + (width 0) + (type default) + ) + (uuid "f4eb0267-179f-46c9-b516-9bfb06bac1ba") + ) + (wire + (pts + (xy 176.53 59.69) (xy 176.53 76.2) + ) + (stroke + (width 0) + (type default) + ) + (uuid "feb26ecb-9193-46ea-a41b-d09305bf0a3e") + ) + (text "17k: Pin 1 <-> Pin 2\n20k: Pin 2 <-> Pin 3\nPin 1 is marked on\nthe package" + (exclude_from_sim no) + (at 200.66 135.89 0) + (effects + (font + (size 1.524 1.524) + ) + (justify left bottom) + ) + (uuid "065b9982-55f2-4822-977e-07e8a06e7b35") + ) + (text "e.g. ERA-6ARB752V (10 ppm)\nPCF0805-13-7K5-B-T1 (5 ppm),\nTE Connectivity RU73X2A7K5LTDF (2 ppm),\nVishay S102 (2 ppm)" + (exclude_from_sim no) + (at 190.5 50.8 0) + (effects + (font + (size 1.524 1.524) + ) + (justify left bottom) + ) + (uuid "22999e73-da32-43a5-9163-4b3a41614f25") + ) + (text "Trace resistance of 0.32 Ohm\n(100mm, 4000 ppm / K) causes\na 1.5 µV / K error." + (exclude_from_sim no) + (at 59.69 34.29 0) + (effects + (font + (size 1.524 1.524) + ) + (justify left bottom) + ) + (uuid "262f1ea9-0133-4b43-be36-456207ea857c") + ) + (text "Kelvin connect the Zener. Even the the small current\npassing through R2 (1 mA) will introduce an error of 0.2 ppm/K\ngiven a normal PCB copper trace.\n(10 mm trace 0=> 0.2 ohm, 1 mA, 0.7 % tcr, ~7 V reference)" + (exclude_from_sim no) + (at 29.21 132.08 0) + (effects + (font + (size 1.524 1.524) + ) + (justify left bottom) + ) + (uuid "5edcefbe-9766-42c8-9529-28d0ec865573") + ) + (text "Mount the LM399 a *little* off the board,\nto keep stress away.\nSource: http://www.eevblog.com/forum/\nmetrology/ultra-precision-reference-ltz1000/\nmsg404500/#msg404500" + (exclude_from_sim no) + (at 226.06 74.93 0) + (effects + (font + (size 1.524 1.524) + ) + (justify left bottom) + ) + (uuid "658dad07-97fd-466c-8b49-21892ac96ea4") + ) + (text "Kelvin connect this to the V_zener+ input pin" + (exclude_from_sim no) + (at 195.58 139.7 0) + (effects + (font + (size 1.524 1.524) + ) + (justify left bottom) + ) + (uuid "6e68f0cd-800e-4167-9553-71fc59da1eeb") + ) + (text "Note: Use a TE 8060-1G12\nor 8060-1G22 socket to\nmount diodes for burn-in.\nThe 1G22 is smaller in\nheight, but harder to get." + (exclude_from_sim no) + (at 16.51 84.582 0) + (effects + (font + (size 1.524 1.524) + ) + (justify left bottom) + ) + (uuid "721d1be9-236e-470b-ba69-f1cc6c43faf9") + ) + (text "This resistor will supply the zener current.\nIt does not need to be exactely 7.5k, but a\nzener current of 1 mA or slightly above is\nrecommended (ADR1399 needs 3mA).\nThis resistor needs to be matched if the\namplification is changed. Currently\nI_Zener = (15 V - 6.95 V) / 7.5k" + (exclude_from_sim no) + (at 130.81 49.53 0) + (effects + (font + (size 1.524 1.524) + ) + (justify left bottom) + ) + (uuid "81a15393-727e-448b-a777-b18773023d89") + ) + (text "The output drift with the zener current\nis about 0.15 ppm / ppm maximum.\nIn order to meet the LM399 specs make sure the resistor\nhas a maximum TCR of 10 ppm / K (results in 1.5 ppm / K)." + (exclude_from_sim no) + (at 190.5 40.64 0) + (effects + (font + (size 1.524 1.524) + ) + (justify left bottom) + ) + (uuid "a4f86a46-3bc8-4daa-9125-a63f297eb114") + ) + (text "Use 1 oz./sqft of copper to\nminimize trace resistance and\ntherefore minimize succeptibility\nto temperature." + (exclude_from_sim no) + (at 59.69 24.13 0) + (effects + (font + (size 1.524 1.524) + ) + (justify left bottom) + ) + (uuid "a5e521b9-814e-4853-a5ac-f158785c6269") + ) + (text "If the a moving cap is a problem,\nwe could increase the pin spacing\non the PCB and bend the legs a\nlitte, so that they hold the cap in\nplace. This was done by HP in the\n3456A." + (exclude_from_sim no) + (at 15.24 50.8 0) + (effects + (font + (size 1.524 1.524) + ) + (justify left bottom) + ) + (uuid "a6ccc556-da88-4006-ae1a-cc35733efef3") + ) + (text "The LM399 has a\nTCR of 0.3 ppm/K" + (exclude_from_sim no) + (at 26.67 69.85 0) + (effects + (font + (size 1.524 1.524) + ) + (justify left bottom) + ) + (uuid "c1c799a0-3c93-493a-9ad7-8a0561bc69ee") + ) + (text "Compensation\nnetwork for\nthe ADR1399." + (exclude_from_sim no) + (at 83.82 59.69 0) + (effects + (font + (size 1.524 1.524) + ) + (justify left bottom) + ) + (uuid "c24d6ac8-802d-4df3-a210-9cb1f693e865") + ) + (text "Use a Film capacitor with a high insulation\nresistance (no polyester), which is stable\nover temperature. Nowadays C0G (BME) is\neven better than film.\nInformation on insulation resistance can be found here:\nhttp://www.iequalscdvdt.com/Insulation_resis_.html\nhttps://www.vishay.com/docs/26033/gentechinfofilm.pdf" + (exclude_from_sim no) + (at 200.66 125.73 0) + (effects + (font + (size 1.524 1.524) + ) + (justify left bottom) + ) + (uuid "dc2801a1-d539-4721-b31f-fe196b9f13df") + ) + (text "The diode ensures correct startup\nand also makes sure the DAC, that\nfollows never sees a positive\nvoltage" + (exclude_from_sim no) + (at 209.55 102.87 0) + (effects + (font + (size 1.524 1.524) + ) + (justify left bottom) + ) + (uuid "e4d2f565-25a0-48c6-be59-f4bf31ad2558") + ) + (text "Output voltage Table:\nVoltage | R1 | RN1a | RN1b\n-----------------------\n-10 V | 3k | 20k | 9k\n-15 V | 7.5k | 17k | 20k" + (exclude_from_sim no) + (at 52.07 152.4 0) + (effects + (font + (size 1.524 1.524) + ) + (justify left bottom) + ) + (uuid "ec5c2062-3a41-4636-8803-069e60a1641a") + ) + (hierarchical_label "V_zener+_force" + (shape passive) + (at 180.34 143.51 270) + (fields_autoplaced yes) + (effects + (font + (size 1.524 1.524) + ) + (justify right) + ) + (uuid "120fd3d8-fef3-49e0-baa1-ba945f34dd53") + ) + (hierarchical_label "V_zener+_force" + (shape passive) + (at 76.2 60.96 90) + (fields_autoplaced yes) + (effects + (font + (size 1.524 1.524) + ) + (justify left) + ) + (uuid "142913b5-ae02-4f5e-9e4f-dd981f97a72b") + ) + (hierarchical_label "V_zener+_sense" + (shape output) + (at 116.84 115.57 90) + (fields_autoplaced yes) + (effects + (font + (size 1.524 1.524) + ) + (justify left) + ) + (uuid "14769dc5-8525-4984-8b15-a734ee247efa") + ) + (hierarchical_label "V+" + (shape passive) + (at 148.59 67.31 90) + (fields_autoplaced yes) + (effects + (font + (size 1.524 1.524) + ) + (justify left) + ) + (uuid "60dcd1fe-7079-4cb8-b509-04558ccf5097") + ) + (hierarchical_label "V_zener+_force" + (shape passive) + (at 109.22 115.57 90) + (fields_autoplaced yes) + (effects + (font + (size 1.524 1.524) + ) + (justify left) + ) + (uuid "6d26d68f-1ca7-4ff3-b058-272f1c399047") + ) + (hierarchical_label "V_zener-" + (shape output) + (at 226.06 91.44 0) + (fields_autoplaced yes) + (effects + (font + (size 1.524 1.524) + ) + (justify left) + ) + (uuid "85b7594c-358f-454b-b2ad-dd0b1d67ed76") + ) + (hierarchical_label "V_heater-" + (shape passive) + (at 71.12 87.63 270) + (fields_autoplaced yes) + (effects + (font + (size 1.524 1.524) + ) + (justify right) + ) + (uuid "911bdcbe-493f-4e21-a506-7cbc636e2c17") + ) + (hierarchical_label "V-heater+" + (shape passive) + (at 71.12 60.96 90) + (fields_autoplaced yes) + (effects + (font + (size 1.524 1.524) + ) + (justify left) + ) + (uuid "9f8381e9-3077-4453-a480-a01ad9c1a940") + ) + (hierarchical_label "V-" + (shape passive) + (at 148.59 116.84 270) + (fields_autoplaced yes) + (effects + (font + (size 1.524 1.524) + ) + (justify right) + ) + (uuid "c5eb1e4c-ce83-470e-8f32-e20ff1f886a3") + ) + (symbol + (lib_id "Reference_Voltage:LM399") + (at 73.66 77.47 0) + (unit 1) + (exclude_from_sim no) + (in_bom yes) + (on_board yes) + (dnp no) + (uuid "00000000-0000-0000-0000-0000591a5398") + (property "Reference" "U2" + (at 78.74 76.2 0) + (effects + (font + (size 1.524 1.524) + ) + (justify left) + ) + ) + (property "Value" "LM399" + (at 78.74 78.74 0) + (effects + (font + (size 1.524 1.524) + ) + (justify left) + ) + ) + (property "Footprint" "Package_TO_SOT_THT:Analog_TO-46-4_ThermalShield" + (at 73.66 78.74 0) + (effects + (font + (size 1.524 1.524) + ) + (hide yes) + ) + ) + (property "Datasheet" "https://www.analog.com/media/en/technical-documentation/data-sheets/199399fc.pdf" + (at 73.66 78.74 0) + (effects + (font + (size 1.524 1.524) + ) + (hide yes) + ) + ) + (property "Description" "" + (at 73.66 77.47 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (property "MFN" "Analog Devices" + (at 73.66 77.47 0) + (effects + (font + (size 1.524 1.524) + ) + (hide yes) + ) + ) + (property "PN" "LM399AH#PBF" + (at 73.66 77.47 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (property "Note" "Use a TE 8060-1G12 or TE 8060-G22 socket to mount diodes for burn-in" + (at 73.66 77.47 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (property "Config" "-PCBA" + (at 73.66 77.47 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (property "variant" "default" + (at 73.66 77.47 0) + (effects + (font + (size 1.524 1.524) + ) + (hide yes) + ) + ) + (property "Temperature" "Tstorage = -65 °C to 150 °C" + (at 73.66 77.47 0) + (effects + (font + (size 1.524 1.524) + ) + (hide yes) + ) + ) + (property "RoHS" "Yes" + (at 73.66 77.47 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (pin "1" + (uuid "4081599c-4187-4b0c-8b58-f14d38f5e3d3") + ) + (pin "2" + (uuid "2c838eb6-9f34-446f-af29-8d89570a628b") + ) + (pin "3" + (uuid "d60883a0-c1ee-4079-be40-6a1749b79cae") + ) + (pin "4" + (uuid "e2de888a-4e78-45a4-ad19-6142692bac18") + ) + (instances + (project "reference_board" + (path "/afb8e687-4a13-41a1-b8c0-89a749e897fe/00000000-0000-0000-0000-0000591a50e3" + (reference "U2") + (unit 1) + ) + ) + ) + ) + (symbol + (lib_id "Device:R") + (at 151.13 59.69 270) + (unit 1) + (exclude_from_sim no) + (in_bom yes) + (on_board yes) + (dnp no) + (uuid "00000000-0000-0000-0000-0000591a53bd") + (property "Reference" "R2" + (at 151.13 54.4322 90) + (effects + (font + (size 1.27 1.27) + ) + ) + ) + (property "Value" "7.5K" + (at 151.13 56.7436 90) + (effects + (font + (size 1.27 1.27) + ) + ) + ) + (property "Footprint" "Resistor_SMD:R_0805_2012Metric" + (at 151.13 57.912 90) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (property "Datasheet" "" + (at 151.13 59.69 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (property "Description" "" + (at 151.13 59.69 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (property "MFN" "Panasonic" + (at 151.13 59.69 0) + (effects + (font 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(property "Value" "1u" + (at 62.23 78.74 0) + (effects + (font + (size 1.27 1.27) + ) + (justify left) + ) + ) + (property "Footprint" "Capacitor_SMD:C_0603_1608Metric" + (at 59.3852 81.28 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (property "Datasheet" "~" + (at 58.42 77.47 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (property "Description" "" + (at 58.42 77.47 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (property "MFN" "TDK" + (at 58.42 77.47 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (property "PN" "CGA3E1X7R1V105K080AE" + (at 58.42 77.47 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (property "RoHS" "Yes" + (at 58.42 77.47 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (property "Temperature" "Tstorage = –55 °C to 125 °C" + (at 58.42 77.47 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (pin "1" + (uuid "34514a5c-2496-4e1c-ae54-cbb7fcd6182d") + ) + (pin "2" + (uuid "742f2a37-f4ee-47a0-a531-306ead6002c2") + ) + (instances + (project "reference_board" + (path "/afb8e687-4a13-41a1-b8c0-89a749e897fe/00000000-0000-0000-0000-0000591a50e3" + (reference "C2") + (unit 1) + ) + ) + ) + ) + (symbol + (lib_id "power:GND") + (at 203.2 102.87 0) + (unit 1) + (exclude_from_sim no) + (in_bom yes) + (on_board yes) + (dnp no) + (uuid "00000000-0000-0000-0000-00006196b0fa") + (property "Reference" "#PWR06" + (at 203.2 109.22 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (property "Value" "GND" + (at 203.327 107.2642 0) + (effects + (font + (size 1.27 1.27) + ) + ) + ) + (property "Footprint" "" + (at 203.2 102.87 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (property "Datasheet" "" + (at 203.2 102.87 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (property "Description" "Power symbol creates a global label with name \"GND\" , ground" + (at 203.2 102.87 0) + (effects + (font + (size 1.27 1.27) + ) + (hide yes) + ) + ) + (pin "1" + (uuid "86000fc4-e332-4326-9303-48e4b2fcc99b") + ) + (instances + (project "reference_board" + (path "/afb8e687-4a13-41a1-b8c0-89a749e897fe/00000000-0000-0000-0000-0000591a50e3" + (reference "#PWR06") + (unit 1) + ) + ) + ) + ) ) diff --git a/config.kibot.yaml b/config.kibot.yaml index a015578..484e8f7 100644 --- a/config.kibot.yaml +++ b/config.kibot.yaml @@ -15,10 +15,11 @@ globals: restore_project: true preflight: - run_drc: true - run_erc: true update_xml: true - ignore_unconnected: false + drc: + ignore_unconnected: false + erc: + dont_stop: true # Required for KiCad < 8.0.2 as some of the symbols and footprints are only included in Kicad 8.0.2 variants: - name: 'default' diff --git a/reference_board.kicad_pcb b/reference_board.kicad_pcb index 7daf06c..f3e2bd5 100644 --- a/reference_board.kicad_pcb +++ b/reference_board.kicad_pcb @@ -1,3399 +1,7872 @@ -(kicad_pcb (version 20221018) (generator pcbnew) - - (general - (thickness 1.6) - ) - - (paper "A4") - (title_block - (title "LM399/ADR1399 Negative Voltage Reference") - (date "2023-11-25") - (rev "3.4.1") - (comment 1 "Copyright (©) 2022, Patrick Baus ") - (comment 2 "Licensed under CERN OHL-W v2.0") - ) - - (layers - (0 "F.Cu" signal) - (31 "B.Cu" signal) - (34 "B.Paste" user) - (35 "F.Paste" user) - (36 "B.SilkS" user "B.Silkscreen") - (37 "F.SilkS" user "F.Silkscreen") - (38 "B.Mask" user) - (39 "F.Mask" user) - (40 "Dwgs.User" user "User.Drawings") - (41 "Cmts.User" user "User.Comments") - (42 "Eco1.User" user "User.Eco1") - (43 "Eco2.User" user "User.Eco2") - (44 "Edge.Cuts" user) - (45 "Margin" user) - (46 "B.CrtYd" user "B.Courtyard") - (47 "F.CrtYd" user "F.Courtyard") - (48 "B.Fab" user) - (49 "F.Fab" user) - ) - - (setup - (stackup - (layer "F.SilkS" (type "Top Silk Screen") (color "White")) - (layer "F.Mask" (type "Top Solder Mask") (color "Blue") (thickness 0.01)) - (layer "F.Cu" (type "copper") 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109.3 64.6 90) - (descr "Net-tie used for Kelvin connections") - (tags "net tie") - (property "Sheetfile" "LM399.kicad_sch") - (property "Sheetname" "Voltage Reference") - (property "exclude_from_bom" "") - (property "ki_description" "Net tie, 2 pins") - (property "ki_keywords" "net tie short") - (path "/00000000-0000-0000-0000-0000591a50e3/00000000-0000-0000-0000-00005976eb13") - (attr exclude_from_pos_files exclude_from_bom) - (net_tie_pad_groups "1, 2") - (fp_text reference "NT2" (at 0 -1.5 90) (layer "F.SilkS") hide - (effects (font (size 0.8 0.8) (thickness 0.15))) - (tstamp d3193214-9b25-4a48-a834-8d741ab8762e) - ) - (fp_text value "NET-TIE" (at 0 1.25 90) (layer "F.Fab") hide - (effects (font (size 0.8 0.8) (thickness 0.15))) - (tstamp 3230de8c-da5d-4280-b44d-f29b18218847) - ) - (fp_poly - (pts - (xy 0.5 -0.125) - (xy 0.5 0.125) - (xy 0 0.125) - (xy 0 -0.125) - ) - - (stroke (width 0) (type solid)) (fill solid) (layer "F.Cu") (tstamp d20c20a8-383c-4805-9fc5-4050453efbea)) - (pad 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"copper_text_upright": false, - "courtyard_line_width": 0.049999999999999996, + "courtyard_line_width": 0.05, "dimension_precision": 4, "dimension_units": 3, "dimensions": { @@ -21,13 +24,13 @@ "text_position": 0, "units_format": 1 }, - "fab_line_width": 0.09999999999999999, + "fab_line_width": 0.1, "fab_text_italic": false, "fab_text_size_h": 1.0, "fab_text_size_v": 1.0, "fab_text_thickness": 0.15, "fab_text_upright": false, - "other_line_width": 0.09999999999999999, + "other_line_width": 0.1, "other_text_italic": false, "other_text_size_h": 1.0, "other_text_size_v": 1.0, @@ -64,20 +67,28 @@ "rule_severities": { "annular_width": "error", "clearance": "error", + "connection_width": "warning", "copper_edge_clearance": "error", + "copper_sliver": "warning", "courtyards_overlap": "error", "diff_pair_gap_out_of_range": "error", "diff_pair_uncoupled_length_too_long": "error", "drill_out_of_range": "error", "duplicate_footprints": "warning", "extra_footprint": "warning", + "footprint": "error", + "footprint_symbol_mismatch": "warning", "footprint_type_mismatch": "error", "hole_clearance": "error", "hole_near_hole": "error", + "holes_co_located": "warning", "invalid_outline": "error", + "isolated_copper": "warning", "item_on_disabled_layer": "error", "items_not_allowed": "error", "length_out_of_range": "error", + "lib_footprint_issues": "warning", + "lib_footprint_mismatch": "warning", "malformed_courtyard": "error", "microvia_drill_out_of_range": "error", "missing_courtyard": "ignore", @@ -87,9 +98,14 @@ "padstack": "error", "pth_inside_courtyard": "ignore", "shorting_items": "error", + "silk_edge_clearance": "warning", "silk_over_copper": "warning", "silk_overlap": "warning", "skew_out_of_range": "error", + "solder_mask_bridge": "error", + "starved_thermal": "error", + "text_height": "warning", + "text_thickness": "warning", "through_hole_pad_without_hole": "error", "too_many_vias": "error", "track_dangling": "warning", @@ -108,21 +124,95 @@ "allow_microvias": false, "max_error": 0.005, "min_clearance": 0.0, + "min_connection": 0.0, "min_copper_edge_clearance": 0.075, "min_hole_clearance": 0.25, "min_hole_to_hole": 0.25, - "min_microvia_diameter": 0.19999999999999998, - "min_microvia_drill": 0.09999999999999999, + "min_microvia_diameter": 0.2, + "min_microvia_drill": 0.1, + "min_resolved_spokes": 2, "min_silk_clearance": 0.0, + "min_text_height": 0.8, + "min_text_thickness": 0.08, "min_through_hole_diameter": 0.3, "min_track_width": 0.15, - "min_via_annular_width": 0.049999999999999996, - "min_via_diameter": 0.39999999999999997, + "min_via_annular_width": 0.05, + "min_via_diameter": 0.4, + "solder_mask_to_copper_clearance": 0.0, "use_height_for_length_calcs": true }, + "teardrop_options": [ + { + "td_onpadsmd": true, + "td_onroundshapesonly": false, + "td_ontrackend": false, + "td_onviapad": true + } + ], + "teardrop_parameters": [ + { + "td_allow_use_two_tracks": true, + "td_curve_segcount": 0, + "td_height_ratio": 1.0, + "td_length_ratio": 0.5, + "td_maxheight": 2.0, + "td_maxlen": 1.0, + "td_on_pad_in_zone": false, + "td_target_name": "td_round_shape", + "td_width_to_size_filter_ratio": 0.9 + }, + { + "td_allow_use_two_tracks": true, + "td_curve_segcount": 0, + "td_height_ratio": 1.0, + "td_length_ratio": 0.5, + "td_maxheight": 2.0, + "td_maxlen": 1.0, + "td_on_pad_in_zone": false, + "td_target_name": "td_rect_shape", + "td_width_to_size_filter_ratio": 0.9 + }, + { + "td_allow_use_two_tracks": true, + "td_curve_segcount": 0, + "td_height_ratio": 1.0, + "td_length_ratio": 0.5, + "td_maxheight": 2.0, + "td_maxlen": 1.0, + "td_on_pad_in_zone": false, + "td_target_name": "td_track_end", + "td_width_to_size_filter_ratio": 0.9 + } + ], "track_widths": [ 0.0 ], + "tuning_pattern_settings": { + "diff_pair_defaults": { + "corner_radius_percentage": 80, + "corner_style": 1, + "max_amplitude": 1.0, + "min_amplitude": 0.2, + "single_sided": false, + "spacing": 1.0 + }, + "diff_pair_skew_defaults": { + "corner_radius_percentage": 80, + "corner_style": 1, + "max_amplitude": 1.0, + "min_amplitude": 0.2, + "single_sided": false, + "spacing": 0.6 + }, + "single_track_defaults": { + "corner_radius_percentage": 80, + "corner_style": 1, + "max_amplitude": 1.0, + "min_amplitude": 0.2, + "single_sided": false, + "spacing": 0.6 + } + }, "via_dimensions": [ { "diameter": 0.0, @@ -132,6 +222,13 @@ "zones_allow_external_fillets": false, "zones_use_no_outline": true }, + "ipc2581": { + "dist": "", + "distpn": "", + "internal_id": "", + "mfg": "", + "mpn": "" + }, "layer_presets": [], "viewports": [] }, @@ -424,14 +521,148 @@ "gencad": "", "idf": "", "netlist": "", + "plot": "", + "pos_files": "", "specctra_dsn": "", "step": "", + "svg": "", "vrml": "" }, "page_layout_descr_file": "" }, "schematic": { "annotate_start_num": 0, + "bom_export_filename": "", + "bom_fmt_presets": [], + "bom_fmt_settings": { + "field_delimiter": ",", + "keep_line_breaks": false, + "keep_tabs": false, + "name": "CSV", + "ref_delimiter": ",", + "ref_range_delimiter": "", + "string_delimiter": "\"" + }, + "bom_presets": [], + "bom_settings": { + "exclude_dnp": false, + "fields_ordered": [ + { + "group_by": false, + "label": "Reference", + "name": "Reference", + "show": true + }, + { + "group_by": true, + "label": "Value", + "name": "Value", + "show": true + }, + { + "group_by": false, + "label": "Datasheet", + "name": "Datasheet", + "show": true + }, + { + "group_by": false, + "label": "Footprint", + "name": "Footprint", + "show": true + }, + { + "group_by": false, + "label": "Qty", + "name": "${QUANTITY}", + "show": true + }, + { + "group_by": true, + "label": "DNP", + "name": "${DNP}", + "show": true + }, + { + "group_by": false, + "label": "#", + "name": "${ITEM_NUMBER}", + "show": false + }, + { + "group_by": false, + "label": "Alternative", + "name": "Alternative", + "show": false + }, + { + "group_by": false, + "label": "Config", + "name": "Config", + "show": false + }, + { + "group_by": false, + "label": "MFN", + "name": "MFN", + "show": false + }, + { + "group_by": false, + "label": "Note", + "name": "Note", + "show": false + }, + { + "group_by": false, + "label": "PN", + "name": "PN", + "show": false + }, + { + "group_by": false, + "label": "RoHS", + "name": "RoHS", + "show": false + }, + { + "group_by": false, + "label": "Sim.Device", + "name": "Sim.Device", + "show": false + }, + { + "group_by": false, + "label": "Sim.Pins", + "name": "Sim.Pins", + "show": false + }, + { + "group_by": false, + "label": "Temperature", + "name": "Temperature", + "show": false + }, + { + "group_by": false, + "label": "variant", + "name": "variant", + "show": false + }, + { + "group_by": false, + "label": "Description", + "name": "Description", + "show": false + } + ], + "filter_string": "", + "group_symbols": true, + "name": "", + "sort_asc": true, + "sort_field": "Reference" + }, + "connection_grid_size": 50.0, "drawing": { "dashed_lines_dash_length_ratio": 12.0, "dashed_lines_gap_length_ratio": 3.0, @@ -445,6 +676,11 @@ "intersheets_ref_suffix": "", "junction_size_choice": 3, "label_size_ratio": 0.25, + "operating_point_overlay_i_precision": 3, + "operating_point_overlay_i_range": "~A", + "operating_point_overlay_v_precision": 3, + "operating_point_overlay_v_range": "~V", + "overbar_offset_ratio": 1.23, "pin_symbol_size": 25.0, "text_offset_ratio": 0.08 }, @@ -470,6 +706,7 @@ "spice_external_command": "spice \"%I\"", "spice_model_current_sheet_as_root": true, "spice_save_all_currents": false, + "spice_save_all_dissipations": false, "spice_save_all_voltages": false, "subpart_first_id": 65, "subpart_id_separator": 0 @@ -477,7 +714,7 @@ "sheets": [ [ "afb8e687-4a13-41a1-b8c0-89a749e897fe", - "" + "Root" ], [ "00000000-0000-0000-0000-0000591a50e3", diff --git a/reference_board.kicad_sch b/reference_board.kicad_sch index 542fa13..0f8f070 100644 --- a/reference_board.kicad_sch +++ b/reference_board.kicad_sch @@ -1,1517 +1,3313 @@ -(kicad_sch (version 20230121) (generator eeschema) - - 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