(kicad_pcb (version 20221018) (generator pcbnew)

  (general
    (thickness 1.6)
  )

  (paper "A4")
  (layers
    (0 "F.Cu" signal)
    (31 "B.Cu" signal)
    (32 "B.Adhes" user "B.Adhesive")
    (33 "F.Adhes" user "F.Adhesive")
    (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)
    (50 "User.1" user)
    (51 "User.2" user)
    (52 "User.3" user)
    (53 "User.4" user)
    (54 "User.5" user)
    (55 "User.6" user)
    (56 "User.7" user)
    (57 "User.8" user)
    (58 "User.9" user)
  )

  (setup
    (stackup
      (layer "F.SilkS" (type "Top Silk Screen"))
      (layer "F.Paste" (type "Top Solder Paste"))
      (layer "F.Mask" (type "Top Solder Mask") (thickness 0.01))
      (layer "F.Cu" (type "copper") (thickness 0.035))
      (layer "dielectric 1" (type "core") (thickness 1.51) (material "FR4") (epsilon_r 4.5) (loss_tangent 0.02))
      (layer "B.Cu" (type "copper") (thickness 0.035))
      (layer "B.Mask" (type "Bottom Solder Mask") (thickness 0.01))
      (layer "B.Paste" (type "Bottom Solder Paste"))
      (layer "B.SilkS" (type "Bottom Silk Screen"))
      (copper_finish "None")
      (dielectric_constraints no)
    )
    (pad_to_mask_clearance 0)
    (pcbplotparams
      (layerselection 0x00010fc_ffffffff)
      (plot_on_all_layers_selection 0x0000000_00000000)
      (disableapertmacros false)
      (usegerberextensions false)
      (usegerberattributes true)
      (usegerberadvancedattributes true)
      (creategerberjobfile true)
      (dashed_line_dash_ratio 12.000000)
      (dashed_line_gap_ratio 3.000000)
      (svgprecision 4)
      (plotframeref false)
      (viasonmask false)
      (mode 1)
      (useauxorigin false)
      (hpglpennumber 1)
      (hpglpenspeed 20)
      (hpglpendiameter 15.000000)
      (dxfpolygonmode true)
      (dxfimperialunits true)
      (dxfusepcbnewfont true)
      (psnegative false)
      (psa4output false)
      (plotreference true)
      (plotvalue true)
      (plotinvisibletext false)
      (sketchpadsonfab false)
      (subtractmaskfromsilk false)
      (outputformat 1)
      (mirror false)
      (drillshape 1)
      (scaleselection 1)
      (outputdirectory "")
    )
  )

  (net 0 "")
  (net 1 "VCC")
  (net 2 "Net-(C1-Pad2)")
  (net 3 "Net-(U1A--)")
  (net 4 "Net-(C2-Pad2)")
  (net 5 "Net-(U1B--)")
  (net 6 "Net-(C3-Pad2)")
  (net 7 "unconnected-(C4-Pad1)")
  (net 8 "Net-(C4-Pad2)")
  (net 9 "unconnected-(J2-Pin_1-Pad1)")
  (net 10 "unconnected-(J3-Pin_1-Pad1)")
  (net 11 "Net-(J4-Pin_1)")
  (net 12 "Net-(U1C--)")
  (net 13 "Net-(R5-Pad2)")
  (net 14 "Net-(U1D--)")

  (footprint "Package_DIP:DIP-4_W7.62mm" (layer "F.Cu")
    (tstamp 07def71b-27bb-4420-a527-5e2eabeff75a)
    (at 148.6 138.425)
    (descr "4-lead though-hole mounted DIP package, row spacing 7.62 mm (300 mils)")
    (tags "THT DIP DIL PDIP 2.54mm 7.62mm 300mil")
    (property "Sheetfile" "bi quad filter.kicad_sch")
    (property "Sheetname" "")
    (property "ki_description" "Quad operational amplifier")
    (property "ki_keywords" "quad opamp")
    (path "/a4351f0c-8fae-4a31-9b70-3cc889640dbb")
    (attr through_hole)
    (fp_text reference "U1" (at -16.51 -33.48) (layer "F.SilkS")
        (effects (font (size 1 1) (thickness 0.15)))
      (tstamp ec01885a-5691-43e8-a19f-09409ffed559)
    )
    (fp_text value "Opamp_Quad" (at -3.81 9.95) (layer "F.Fab")
        (effects (font (size 1 1) (thickness 0.15)))
      (tstamp 5604ce9b-a9bd-4637-aba9-6df26b702481)
    )
    (fp_text user "${REFERENCE}" (at 3.81 1.27) (layer "F.Fab")
        (effects (font (size 1 1) (thickness 0.15)))
      (tstamp 359354bd-c4de-4502-9882-ba9fcdc640bc)
    )
    (fp_line (start 1.16 -1.33) (end 1.16 3.87)
      (stroke (width 0.12) (type solid)) (layer "F.SilkS") (tstamp 5075b7e4-31f1-47c7-9f7e-b6d66b0023d4))
    (fp_line (start 1.16 3.87) (end 6.46 3.87)
      (stroke (width 0.12) (type solid)) (layer "F.SilkS") (tstamp 18dcff80-105e-43f8-be48-677d316c63cd))
    (fp_line (start 2.81 -1.33) (end 1.16 -1.33)
      (stroke (width 0.12) (type solid)) (layer "F.SilkS") (tstamp 6a7e0f28-c146-4302-8ea4-6f612caed756))
    (fp_line (start 6.46 -1.33) (end 4.81 -1.33)
      (stroke (width 0.12) (type solid)) (layer "F.SilkS") (tstamp 6dd61a71-5b7a-458d-9793-efc54f2e2321))
    (fp_line (start 6.46 3.87) (end 6.46 -1.33)
      (stroke (width 0.12) (type solid)) (layer "F.SilkS") (tstamp 73240634-310c-4938-989b-eb379fcb80a5))
    (fp_arc (start 4.81 -1.33) (mid 3.81 -0.33) (end 2.81 -1.33)
      (stroke (width 0.12) (type solid)) (layer "F.SilkS") (tstamp e2966fa0-0f83-49eb-8047-e3e54bb7f587))
    (fp_line (start -1.1 -1.55) (end -1.1 4.1)
      (stroke (width 0.05) (type solid)) (layer "F.CrtYd") (tstamp f94fce67-cf6c-404d-b63b-442001b9a629))
    (fp_line (start -1.1 4.1) (end 8.7 4.1)
      (stroke (width 0.05) (type solid)) (layer "F.CrtYd") (tstamp e02f091e-3d13-4dfd-be78-d7065aa17aab))
    (fp_line (start 8.7 -1.55) (end -1.1 -1.55)
      (stroke (width 0.05) (type solid)) (layer "F.CrtYd") (tstamp a601f83e-191a-4a27-8d4b-0dd8b77bf957))
    (fp_line (start 8.7 4.1) (end 8.7 -1.55)
      (stroke (width 0.05) (type solid)) (layer "F.CrtYd") (tstamp 77e5509f-5c8d-4e81-9cae-ce1eeba20ae0))
    (fp_line (start 0.635 -0.27) (end 1.635 -1.27)
      (stroke (width 0.1) (type solid)) (layer "F.Fab") (tstamp c662e65a-d78b-417c-935b-5e1df5762157))
    (fp_line (start 0.635 3.81) (end 0.635 -0.27)
      (stroke (width 0.1) (type solid)) (layer "F.Fab") (tstamp 0e3bda05-babf-43ef-a0fe-554827ceaaad))
    (fp_line (start 1.635 -1.27) (end 6.985 -1.27)
      (stroke (width 0.1) (type solid)) (layer "F.Fab") (tstamp 11479f36-09d9-491c-8e8b-280d2cfe73a8))
    (fp_line (start 6.985 -1.27) (end 6.985 3.81)
      (stroke (width 0.1) (type solid)) (layer "F.Fab") (tstamp 9cbced5d-0afe-4d9c-b63b-79044ccd58a9))
    (fp_line (start 6.985 3.81) (end 0.635 3.81)
      (stroke (width 0.1) (type solid)) (layer "F.Fab") (tstamp b97fceba-9566-4023-a054-7869997852f0))
    (pad "1" thru_hole rect (at 0 0) (size 1.6 1.6) (drill 0.8) (layers "*.Cu" "*.Mask")
      (net 4 "Net-(C2-Pad2)") (pintype "output") (tstamp a41abb34-0dcf-4242-a1ac-beef9f6a727e))
    (pad "2" thru_hole oval (at 0 2.54) (size 1.6 1.6) (drill 0.8) (layers "*.Cu" "*.Mask")
      (net 3 "Net-(U1A--)") (pinfunction "-") (pintype "input") (tstamp 412f8663-e2ce-4ecf-a9dd-13cd5ffcd6b5))
    (pad "3" thru_hole oval (at 7.62 2.54) (size 1.6 1.6) (drill 0.8) (layers "*.Cu" "*.Mask")
      (net 1 "VCC") (pinfunction "+") (pintype "input") (tstamp 30005d38-4f00-415b-9cae-b5028eb6cb67))
    (pad "4" thru_hole oval (at 7.62 0) (size 1.6 1.6) (drill 0.8) (layers "*.Cu" "*.Mask")
      (net 11 "Net-(J4-Pin_1)") (pinfunction "V+") (pintype "power_in") (tstamp 53cba1b4-cfa4-4311-9ba1-19afec784127))
    (model "${KICAD6_3DMODEL_DIR}/Package_DIP.3dshapes/DIP-4_W7.62mm.wrl"
      (offset (xyz 0 0 0))
      (scale (xyz 1 1 1))
      (rotate (xyz 0 0 0))
    )
  )

  (footprint "Connector_Pin:Pin_D1.0mm_L10.0mm" (layer "F.Cu")
    (tstamp 127d3243-a1e6-466f-8d79-84c6db07895d)
    (at 165.1 25.4)
    (descr "solder Pin_ diameter 1.0mm, hole diameter 1.0mm (press fit), length 10.0mm")
    (tags "solder Pin_ press fit")
    (property "Sheetfile" "bi quad filter.kicad_sch")
    (property "Sheetname" "")
    (property "ki_description" "Generic connector, single row, 01x01, script generated")
    (property "ki_keywords" "connector")
    (path "/15b5c38e-0749-47c4-a0b5-58c7629ed875")
    (attr through_hole)
    (fp_text reference "J3" (at 23.27 1.02) (layer "F.SilkS")
        (effects (font (size 1 1) (thickness 0.15)))
      (tstamp a74ef1c4-f544-4dfb-9097-573edcf3b72d)
    )
    (fp_text value "Conn_01x01_Pin" (at 0 -2.05) (layer "F.Fab")
        (effects (font (size 1 1) (thickness 0.15)))
      (tstamp cb444ace-4da8-4ad9-a01e-646222310d32)
    )
    (fp_text user "${REFERENCE}" (at 23.27 1.02) (layer "F.Fab")
        (effects (font (size 1 1) (thickness 0.15)))
      (tstamp dd36b24d-90c2-4976-83ec-48dfde84bef0)
    )
    (fp_circle (center 0 0) (end 1.25 0.05)
      (stroke (width 0.12) (type solid)) (fill none) (layer "F.SilkS") (tstamp bcf55ce1-dbb3-4b32-acfd-3e2a635b16b4))
    (fp_circle (center 0 0) (end 1.5 0)
      (stroke (width 0.05) (type solid)) (fill none) (layer "F.CrtYd") (tstamp 11921ca3-5c0d-4366-a1b8-4ea427db3766))
    (fp_circle (center 0 0) (end 0.5 0)
      (stroke (width 0.12) (type solid)) (fill none) (layer "F.Fab") (tstamp 42b8bcf6-c40e-4da6-9436-9506730ed9bc))
    (fp_circle (center 0 0) (end 1 0)
      (stroke (width 0.12) (type solid)) (fill none) (layer "F.Fab") (tstamp c1e4f819-e970-46c2-8fbb-cf65929019b3))
    (pad "1" thru_hole circle (at 0 0) (size 2 2) (drill 1) (layers "*.Cu" "*.Mask")
      (net 10 "unconnected-(J3-Pin_1-Pad1)") (pinfunction "Pin_1") (pintype "passive+no_connect") (tstamp 9f46364b-e655-4250-852d-f18a9a26f2fa))
    (model "${KICAD6_3DMODEL_DIR}/Connector_Pin.3dshapes/Pin_D1.0mm_L10.0mm.wrl"
      (offset (xyz 0 0 0))
      (scale (xyz 1 1 1))
      (rotate (xyz 0 0 0))
    )
  )

  (footprint "MountingHole:MountingHole_2.1mm" (layer "F.Cu")
    (tstamp 3a179eeb-e564-4001-b985-78ec93eabfe2)
    (at 210.82 20.32)
    (descr "Mounting Hole 2.1mm, no annular")
    (tags "mounting hole 2.1mm no annular")
    (property "Sheetfile" "bi quad filter.kicad_sch")
    (property "Sheetname" "")
    (property "ki_description" "Mounting Hole without connection")
    (property "ki_keywords" "mounting hole")
    (path "/0f4391e2-76cb-4ed4-afe7-286fb8599aee")
    (attr exclude_from_pos_files)
    (fp_text reference "H3" (at 0 -3.2) (layer "F.SilkS")
        (effects (font (size 1 1) (thickness 0.15)))
      (tstamp af523313-e6cb-4a14-92bb-783a936f4cc1)
    )
    (fp_text value "MountingHole" (at 0 3.2) (layer "F.Fab")
        (effects (font (size 1 1) (thickness 0.15)))
      (tstamp f242fb3a-ee99-4e03-afdf-519db58dc53f)
    )
    (fp_text user "${REFERENCE}" (at 0 0) (layer "F.Fab")
        (effects (font (size 1 1) (thickness 0.15)))
      (tstamp e57aacbf-9da2-4757-839d-303953c7642c)
    )
    (fp_circle (center 0 0) (end 2.1 0)
      (stroke (width 0.15) (type solid)) (fill none) (layer "Cmts.User") (tstamp 7d329f98-9883-4048-9ad4-7a77a289b2bb))
    (fp_circle (center 0 0) (end 2.35 0)
      (stroke (width 0.05) (type solid)) (fill none) (layer "F.CrtYd") (tstamp caca1097-b49a-40f1-943b-20f88b34e0e1))
    (pad "" np_thru_hole circle (at 0 0) (size 2.1 2.1) (drill 2.1) (layers "*.Cu" "*.Mask") (tstamp 948943a4-1313-4a2e-9598-1a44c20805f1))
  )

  (footprint "Resistor_THT:R_Axial_DIN0516_L15.5mm_D5.0mm_P20.32mm_Horizontal" (layer "F.Cu")
    (tstamp 3b7d4309-640e-49eb-84e1-df440c1b19d2)
    (at 93.98 152.4)
    (descr "Resistor, Axial_DIN0516 series, Axial, Horizontal, pin pitch=20.32mm, 2W, length*diameter=15.5*5mm^2, http://cdn-reichelt.de/documents/datenblatt/B400/1_4W%23YAG.pdf")
    (tags "Resistor Axial_DIN0516 series Axial Horizontal pin pitch 20.32mm 2W length 15.5mm diameter 5mm")
    (property "Sheetfile" "bi quad filter.kicad_sch")
    (property "Sheetname" "")
    (property "ki_description" "Resistor")
    (property "ki_keywords" "R res resistor")
    (path "/ba673235-32a7-4e10-a33c-384487ba3c98")
    (attr through_hole)
    (fp_text reference "R9" (at 10.16 -12.31) (layer "F.SilkS")
        (effects (font (size 1 1) (thickness 0.15)))
      (tstamp d4de3a91-8477-4cb8-bbe6-401e19f3473e)
    )
    (fp_text value "R" (at 10.16 3.62) (layer "F.Fab")
        (effects (font (size 1 1) (thickness 0.15)))
      (tstamp a282636b-be34-4fba-aa6d-a58af68b9392)
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    (fp_text user "${REFERENCE}" (at 10.16 0) (layer "F.Fab")
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      (tstamp 74e8cc29-fa40-46cf-a98d-e8674f45144a)
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    (fp_line (start 1.44 0) (end 2.29 0)
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    (fp_line (start 2.41 2.5) (end 17.91 2.5)
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    (pad "1" thru_hole circle (at 0 0) (size 2.4 2.4) (drill 1.2) (layers "*.Cu" "*.Mask")
      (net 8 "Net-(C4-Pad2)") (pintype "passive") (tstamp 1e5cd4e0-986d-459d-a02e-fbcc018f9b1b))
    (pad "2" thru_hole oval (at 20.32 0) (size 2.4 2.4) (drill 1.2) (layers "*.Cu" "*.Mask")
      (net 14 "Net-(U1D--)") (pintype "passive") (tstamp 8bb34164-c836-4687-99c9-61a51cf96879))
    (model "${KICAD6_3DMODEL_DIR}/Resistor_THT.3dshapes/R_Axial_DIN0516_L15.5mm_D5.0mm_P20.32mm_Horizontal.wrl"
      (offset (xyz 0 0 0))
      (scale (xyz 1 1 1))
      (rotate (xyz 0 0 0))
    )
  )

  (footprint "Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm" (layer "F.Cu")
    (tstamp 3bec68c1-cc1e-4db2-8729-f692a02dbda8)
    (at 35.56 88.9)
    (descr "C, Disc series, Radial, pin pitch=2.50mm, , diameter*width=5*2.5mm^2, Capacitor, http://cdn-reichelt.de/documents/datenblatt/B300/DS_KERKO_TC.pdf")
    (tags "C Disc series Radial pin pitch 2.50mm  diameter 5mm width 2.5mm Capacitor")
    (property "Sheetfile" "bi quad filter.kicad_sch")
    (property "Sheetname" "")
    (property "ki_description" "Unpolarized capacitor")
    (property "ki_keywords" "cap capacitor")
    (path "/bf990ce3-27f5-40e0-b25e-744a29d8d73f")
    (attr through_hole)
    (fp_text reference "C3" (at 1.25 -2.5) (layer "F.SilkS")
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    (fp_text value "C" (at 1.25 13.69) (layer "F.Fab")
        (effects (font (size 1 1) (thickness 0.15)))
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    (fp_text user "${REFERENCE}" (at 1.25 0) (layer "F.Fab")
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