(kicad_pcb
	(version 20241229)
	(generator "pcbnew")
	(generator_version "9.0")
	(general
		(thickness 1.6)
		(legacy_teardrops no)
	)
	(paper "A4")
	(layers
		(0 "F.Cu" signal)
		(2 "B.Cu" signal)
		(9 "F.Adhes" user "F.Adhesive")
		(11 "B.Adhes" user "B.Adhesive")
		(13 "F.Paste" user)
		(15 "B.Paste" user)
		(5 "F.SilkS" user "F.Silkscreen")
		(7 "B.SilkS" user "B.Silkscreen")
		(1 "F.Mask" user)
		(3 "B.Mask" user)
		(17 "Dwgs.User" user "User.Drawings")
		(19 "Cmts.User" user "User.Comments")
		(21 "Eco1.User" user "User.Eco1")
		(23 "Eco2.User" user "User.Eco2")
		(25 "Edge.Cuts" user)
		(27 "Margin" user)
		(31 "F.CrtYd" user "F.Courtyard")
		(29 "B.CrtYd" user "B.Courtyard")
		(35 "F.Fab" user)
		(33 "B.Fab" user)
		(39 "User.1" user)
		(41 "User.2" user)
		(43 "User.3" user)
		(45 "User.4" user)
		(47 "User.5" user)
		(49 "User.6" user)
		(51 "User.7" user)
		(53 "User.8" user)
		(55 "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)
		(allow_soldermask_bridges_in_footprints no)
		(tenting front back)
		(pcbplotparams
			(layerselection 0x00000000_00000000_55555555_5755f5ff)
			(plot_on_all_layers_selection 0x00000000_00000000_00000000_00000000)
			(disableapertmacros no)
			(usegerberextensions no)
			(usegerberattributes yes)
			(usegerberadvancedattributes yes)
			(creategerberjobfile yes)
			(dashed_line_dash_ratio 12.000000)
			(dashed_line_gap_ratio 3.000000)
			(svgprecision 4)
			(plotframeref no)
			(mode 1)
			(useauxorigin no)
			(hpglpennumber 1)
			(hpglpenspeed 20)
			(hpglpendiameter 15.000000)
			(pdf_front_fp_property_popups yes)
			(pdf_back_fp_property_popups yes)
			(pdf_metadata yes)
			(pdf_single_document no)
			(dxfpolygonmode yes)
			(dxfimperialunits yes)
			(dxfusepcbnewfont yes)
			(psnegative no)
			(psa4output no)
			(plot_black_and_white yes)
			(sketchpadsonfab no)
			(plotpadnumbers no)
			(hidednponfab no)
			(sketchdnponfab yes)
			(crossoutdnponfab yes)
			(subtractmaskfromsilk no)
			(outputformat 1)
			(mirror no)
			(drillshape 1)
			(scaleselection 1)
			(outputdirectory "")
		)
	)
	(net 0 "")
	(net 1 "+12V")
	(net 2 "GND")
	(net 3 "-12V")
	(net 4 "/h2")
	(net 5 "/h3")
	(net 6 "/h4")
	(net 7 "/h5")
	(net 8 "/h6")
	(net 9 "/h8")
	(net 10 "/h9")
	(net 11 "Net-(J1-Pin_13)")
	(net 12 "/h11")
	(net 13 "/h22")
	(net 14 "/h14")
	(net 15 "/h16")
	(net 16 "/h17")
	(net 17 "/h18")
	(net 18 "/h19")
	(net 19 "/h20")
	(net 20 "Net-(J1-Pin_21)")
	(net 21 "/h10")
	(net 22 "/h24")
	(net 23 "/h25")
	(net 24 "/h26")
	(net 25 "/o_1")
	(net 26 "/o_MT")
	(net 27 "/o_3")
	(net 28 "/o_4")
	(net 29 "/o_5")
	(net 30 "/o_6")
	(net 31 "/o_7")
	(net 32 "/o_8")
	(net 33 "/o_10")
	(net 34 "Net-(J3-Pin_21)")
	(net 35 "Net-(J3-Pin_23)")
	(net 36 "Net-(J3-Pin_25)")
	(net 37 "Net-(R1-Pad1)")
	(net 38 "Net-(R1-Pad2)")
	(net 39 "Net-(R2-Pad1)")
	(net 40 "Net-(R2-Pad2)")
	(net 41 "Net-(R3-Pad1)")
	(net 42 "Net-(R3-Pad2)")
	(net 43 "Net-(R4-Pad1)")
	(net 44 "Net-(R4-Pad2)")
	(net 45 "Net-(R5-Pad1)")
	(net 46 "Net-(R5-Pad2)")
	(net 47 "Net-(R6-Pad1)")
	(net 48 "Net-(R6-Pad2)")
	(net 49 "Net-(R7-Pad1)")
	(net 50 "Net-(R7-Pad2)")
	(net 51 "Net-(R8-Pad1)")
	(net 52 "Net-(R8-Pad2)")
	(net 53 "Net-(R9-Pad1)")
	(net 54 "Net-(R9-Pad2)")
	(net 55 "Net-(R10-Pad1)")
	(net 56 "Net-(R10-Pad2)")
	(net 57 "/o_TT")
	(net 58 "/h12")
	(footprint "Capacitor_SMD:C_0805_2012Metric"
		(layer "F.Cu")
		(at 121.92 76.52 -90)
		(descr "Capacitor SMD 0805 (2012 Metric), square (rectangular) end terminal, IPC_7351 nominal, (Body size source: IPC-SM-782 page 76, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf, https://docs.google.com/spreadsheets/d/1BsfQQcO9C6DZCsRaXUlFlo91Tg2WpOkGARC1WS5S8t0/edit?usp=sharing), generated with kicad-footprint-generator")
		(tags "capacitor")
		(property "Reference" "C3"
			(at 0 -1.68 90)
			(layer "F.SilkS")
		)
		(property "Value" ".1uF"
			(at 0 1.68 90)
			(layer "F.Fab")
		)
		(property "Datasheet" "~"
			(at 0 0 270)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" ""
			(at 0 0 270)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "C_*")
		(sheetname "/")
		(sheetfile "headamp.kicad_sch")
		(attr smd)
		(fp_text user "${REFERENCE}"
			(at 0 0 90)
			(layer "F.Fab")
		)
		(pad "1" smd roundrect
			(at -0.95 0 270)
			(size 1 1.45)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.25)
			(net 1 "+12V")
			(pintype "passive")
		)
		(pad "2" smd roundrect
			(at 0.95 0 270)
			(size 1 1.45)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.25)
			(net 2 "GND")
			(pintype "passive")
		)
		(embedded_fonts no)
		(model "${KICAD6_3DMODEL_DIR}/Capacitor_SMD.3dshapes/C_0805_2012Metric.wrl"
			(offset
				(xyz 0 0 0)
			)
			(scale
				(xyz 1 1 1)
			)
			(rotate
				(xyz 0 0 0)
			)
		)
	)
	(footprint "Resistor_SMD:R_0805_2012Metric"
		(layer "F.Cu")
		(at 88.9 97.975)
		(descr "Resistor SMD 0805 (2012 Metric), square (rectangular) end terminal, IPC_7351 nominal, (Body size source: IPC-SM-782 page 72, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator")
		(tags "resistor")
		(property "Reference" "R8"
			(at 0 -1.65 0)
			(layer "F.SilkS")
		)
		(property "Value" "3.16"
			(at 0 1.65 0)
			(layer "F.Fab")
		)
		(property "Datasheet" "~"
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" ""
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "R_*")
		(sheetname "/")
		(sheetfile "headamp.kicad_sch")
		(attr smd)
		(fp_text user "${REFERENCE}"
			(at 0 0 0)
			(layer "F.Fab")
		)
		(pad "1" smd roundrect
			(at -0.9125 0)
			(size 1.025 1.4)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.243902439)
			(net 51 "Net-(R8-Pad1)")
			(pintype "passive")
		)
		(pad "2" smd roundrect
			(at 0.9125 0)
			(size 1.025 1.4)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.243902439)
			(net 52 "Net-(R8-Pad2)")
			(pintype "passive")
		)
		(embedded_fonts no)
		(model "${KICAD6_3DMODEL_DIR}/Resistor_SMD.3dshapes/R_0805_2012Metric.wrl"
			(offset
				(xyz 0 0 0)
			)
			(scale
				(xyz 1 1 1)
			)
			(rotate
				(xyz 0 0 0)
			)
		)
	)
	(footprint "Capacitor_Tantalum_SMD:CP_EIA-6032-28_Kemet-C"
		(layer "F.Cu")
		(at 117.3975 112.395)
		(descr "Tantalum Capacitor SMD Kemet-C (6032-28 Metric), IPC_7351 nominal, (Body size from: http://www.kemet.com/Lists/ProductCatalog/Attachments/253/KEM_TC101_STD.pdf), generated with kicad-footprint-generator")
		(tags "capacitor tantalum")
		(property "Reference" "C14"
			(at 0 -2.55 0)
			(layer "F.SilkS")
		)
		(property "Value" "10uF"
			(at 0 2.55 0)
			(layer "F.Fab")
		)
		(property "Datasheet" "~"
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" ""
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "CP_*")
		(sheetname "/")
		(sheetfile "headamp.kicad_sch")
		(attr smd)
		(fp_text user "${REFERENCE}"
			(at 0 0 0)
			(layer "F.Fab")
		)
		(pad "1" smd roundrect
			(at -2.4625 0)
			(size 2.075 2.35)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.1204819277)
			(net 2 "GND")
			(pintype "passive")
		)
		(pad "2" smd roundrect
			(at 2.4625 0)
			(size 2.075 2.35)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.1204819277)
			(net 3 "-12V")
			(pintype "passive")
		)
		(embedded_fonts no)
		(model "${KICAD6_3DMODEL_DIR}/Capacitor_Tantalum_SMD.3dshapes/CP_EIA-6032-28_Kemet-C.wrl"
			(offset
				(xyz 0 0 0)
			)
			(scale
				(xyz 1 1 1)
			)
			(rotate
				(xyz 0 0 0)
			)
		)
	)
	(footprint "Library:VSSOP-8_3.0x3.0mm_P0.65mm-0.08space"
		(layer "F.Cu")
		(at 115.57 81.92)
		(descr "VSSOP-8 3.0 x 3.0, http://www.ti.com/lit/ds/symlink/lm75b.pdf")
		(tags "VSSOP-8 3.0 x 3.0")
		(property "Reference" "U4"
			(at 0 -2.5 0)
			(layer "F.SilkS")
		)
		(property "Value" "IN849"
			(at 0.02 2.73 0)
			(layer "F.Fab")
		)
		(property "Datasheet" "https://www.ti.com/lit/ds/symlink/ina849.pdf?ts=1716794813326&ref_url=https%253A%252F%252Fwww.ti.com%252Faudio-ic%252Famplifiers%252Fmicrophone-preamplifiers%252Fproducts.html"
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" ""
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "SOIC*3.9x4.9mm*P1.27mm* MSOP*3x3mm*P0.65mm*")
		(sheetname "/")
		(sheetfile "headamp.kicad_sch")
		(attr smd)
		(fp_text user "${REFERENCE}"
			(at 0 0 0)
			(layer "F.Fab")
		)
		(pad "1" smd rect
			(at -2.2 -0.975 270)
			(size 0.4445 1.524)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 12 "/h11")
			(pinfunction "-")
			(pintype "input")
		)
		(pad "2" smd rect
			(at -2.2 -0.325 270)
			(size 0.4445 1.524)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 44 "Net-(R4-Pad2)")
			(pinfunction "Rg")
			(pintype "passive")
		)
		(pad "3" smd rect
			(at -2.2 0.325 270)
			(size 0.4445 1.524)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 43 "Net-(R4-Pad1)")
			(pinfunction "Rg")
			(pintype "passive")
		)
		(pad "4" smd rect
			(at -2.2 0.975 270)
			(size 0.4445 1.524)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 16 "/h17")
			(pinfunction "+")
			(pintype "input")
		)
		(pad "5" smd rect
			(at 2.2 0.975 270)
			(size 0.4445 1.524)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 3 "-12V")
			(pinfunction "Vs-")
			(pintype "power_in")
		)
		(pad "6" smd rect
			(at 2.2 0.325 270)
			(size 0.4445 1.524)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 2 "GND")
			(pinfunction "Ref")
			(pintype "passive")
		)
		(pad "7" smd rect
			(at 2.2 -0.325 270)
			(size 0.4445 1.524)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 31 "/o_7")
			(pintype "output")
		)
		(pad "8" smd rect
			(at 2.2 -0.975 270)
			(size 0.4445 1.524)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 1 "+12V")
			(pinfunction "Vs+")
			(pintype "power_in")
		)
		(embedded_fonts no)
		(model "${KICAD6_3DMODEL_DIR}/Package_SO.3dshapes/VSSOP-8_3.0x3.0mm_P0.65mm.wrl"
			(offset
				(xyz 0 0 0)
			)
			(scale
				(xyz 1 1 1)
			)
			(rotate
				(xyz 0 0 0)
			)
		)
	)
	(footprint "Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical"
		(layer "F.Cu")
		(at 69.85 73.025)
		(descr "Through hole straight pin header, 1x01, 2.54mm pitch, single row")
		(tags "Through hole pin header THT 1x01 2.54mm single row")
		(property "Reference" "J5"
			(at 0 -2.33 0)
			(layer "F.SilkS")
		)
		(property "Value" "Conn_01x01_Pin"
			(at 0 2.33 0)
			(layer "F.Fab")
		)
		(property "Datasheet" "~"
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" ""
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "Connector*:*_1x??_*")
		(sheetname "/")
		(sheetfile "headamp.kicad_sch")
		(attr through_hole)
		(fp_text user "${REFERENCE}"
			(at 0 0 90)
			(layer "F.Fab")
		)
		(pad "1" thru_hole rect
			(at 0 0)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 2 "GND")
			(pinfunction "Pin_1")
			(pintype "passive")
		)
		(embedded_fonts no)
		(model "${KICAD6_3DMODEL_DIR}/Connector_PinHeader_2.54mm.3dshapes/PinHeader_1x01_P2.54mm_Vertical.wrl"
			(offset
				(xyz 0 0 0)
			)
			(scale
				(xyz 1 1 1)
			)
			(rotate
				(xyz 0 0 0)
			)
		)
	)
	(footprint "Capacitor_Tantalum_SMD:CP_EIA-6032-28_Kemet-C"
		(layer "F.Cu")
		(at 117.3975 106.68)
		(descr "Tantalum Capacitor SMD Kemet-C (6032-28 Metric), IPC_7351 nominal, (Body size from: http://www.kemet.com/Lists/ProductCatalog/Attachments/253/KEM_TC101_STD.pdf), generated with kicad-footprint-generator")
		(tags "capacitor tantalum")
		(property "Reference" "C13"
			(at 0 -2.55 0)
			(layer "F.SilkS")
		)
		(property "Value" "10uF"
			(at 0 2.55 0)
			(layer "F.Fab")
		)
		(property "Datasheet" "~"
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" ""
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "CP_*")
		(sheetname "/")
		(sheetfile "headamp.kicad_sch")
		(attr smd)
		(fp_text user "${REFERENCE}"
			(at 0 0 0)
			(layer "F.Fab")
		)
		(pad "1" smd roundrect
			(at -2.4625 0)
			(size 2.075 2.35)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.1204819277)
			(net 1 "+12V")
			(pintype "passive")
		)
		(pad "2" smd roundrect
			(at 2.4625 0)
			(size 2.075 2.35)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.1204819277)
			(net 2 "GND")
			(pintype "passive")
		)
		(embedded_fonts no)
		(model "${KICAD6_3DMODEL_DIR}/Capacitor_Tantalum_SMD.3dshapes/CP_EIA-6032-28_Kemet-C.wrl"
			(offset
				(xyz 0 0 0)
			)
			(scale
				(xyz 1 1 1)
			)
			(rotate
				(xyz 0 0 0)
			)
		)
	)
	(footprint "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical"
		(layer "F.Cu")
		(at 137.16 97.79)
		(descr "Through hole straight pin header, 1x03, 2.54mm pitch, single row")
		(tags "Through hole pin header THT 1x03 2.54mm single row")
		(property "Reference" "J4"
			(at 0 -2.33 0)
			(layer "F.SilkS")
		)
		(property "Value" "Conn_01x03_Pin"
			(at 0 7.41 0)
			(layer "F.Fab")
		)
		(property "Datasheet" "~"
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" ""
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "Connector*:*_1x??_*")
		(sheetname "/")
		(sheetfile "headamp.kicad_sch")
		(attr through_hole)
		(fp_text user "${REFERENCE}"
			(at 0 2.54 90)
			(layer "F.Fab")
		)
		(pad "1" thru_hole rect
			(at 0 0)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 34 "Net-(J3-Pin_21)")
			(pinfunction "Pin_1")
			(pintype "passive")
		)
		(pad "2" thru_hole oval
			(at 0 2.54)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 35 "Net-(J3-Pin_23)")
			(pinfunction "Pin_2")
			(pintype "passive")
		)
		(pad "3" thru_hole oval
			(at 0 5.08)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 36 "Net-(J3-Pin_25)")
			(pinfunction "Pin_3")
			(pintype "passive")
		)
		(embedded_fonts no)
		(model "${KICAD6_3DMODEL_DIR}/Connector_PinHeader_2.54mm.3dshapes/PinHeader_1x03_P2.54mm_Vertical.wrl"
			(offset
				(xyz 0 0 0)
			)
			(scale
				(xyz 1 1 1)
			)
			(rotate
				(xyz 0 0 0)
			)
		)
	)
	(footprint "Connector_PinHeader_2.54mm:PinHeader_2x13_P2.54mm_Vertical"
		(layer "F.Cu")
		(at 128.27 72.39)
		(descr "Through hole straight pin header, 2x13, 2.54mm pitch, double rows")
		(tags "Through hole pin header THT 2x13 2.54mm double row")
		(property "Reference" "J3"
			(at 1.27 -2.33 0)
			(layer "F.SilkS")
		)
		(property "Value" "Conn_02x13_Odd_Even"
			(at 1.27 32.81 0)
			(layer "F.Fab")
		)
		(property "Datasheet" "~"
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" ""
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "Connector*:*_2x??_*")
		(sheetname "/")
		(sheetfile "headamp.kicad_sch")
		(attr through_hole)
		(fp_text user "${REFERENCE}"
			(at 1.27 15.24 90)
			(layer "F.Fab")
		)
		(pad "1" thru_hole rect
			(at 0 0)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 33 "/o_10")
			(pinfunction "Pin_1")
			(pintype "passive")
		)
		(pad "2" thru_hole oval
			(at 2.54 0)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 2 "GND")
			(pinfunction "Pin_2")
			(pintype "passive")
		)
		(pad "3" thru_hole oval
			(at 0 2.54)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 26 "/o_MT")
			(pinfunction "Pin_3")
			(pintype "passive")
		)
		(pad "4" thru_hole oval
			(at 2.54 2.54)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 2 "GND")
			(pinfunction "Pin_4")
			(pintype "passive")
		)
		(pad "5" thru_hole oval
			(at 0 5.08)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 32 "/o_8")
			(pinfunction "Pin_5")
			(pintype "passive")
		)
		(pad "6" thru_hole oval
			(at 2.54 5.08)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 2 "GND")
			(pinfunction "Pin_6")
			(pintype "passive")
		)
		(pad "7" thru_hole oval
			(at 0 7.62)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 31 "/o_7")
			(pinfunction "Pin_7")
			(pintype "passive")
		)
		(pad "8" thru_hole oval
			(at 2.54 7.62)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 2 "GND")
			(pinfunction "Pin_8")
			(pintype "passive")
		)
		(pad "9" thru_hole oval
			(at 0 10.16)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 30 "/o_6")
			(pinfunction "Pin_9")
			(pintype "passive")
		)
		(pad "10" thru_hole oval
			(at 2.54 10.16)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 2 "GND")
			(pinfunction "Pin_10")
			(pintype "passive")
		)
		(pad "11" thru_hole oval
			(at 0 12.7)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 29 "/o_5")
			(pinfunction "Pin_11")
			(pintype "passive")
		)
		(pad "12" thru_hole oval
			(at 2.54 12.7)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 2 "GND")
			(pinfunction "Pin_12")
			(pintype "passive")
		)
		(pad "13" thru_hole oval
			(at 0 15.24)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 28 "/o_4")
			(pinfunction "Pin_13")
			(pintype "passive")
		)
		(pad "14" thru_hole oval
			(at 2.54 15.24)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 2 "GND")
			(pinfunction "Pin_14")
			(pintype "passive")
		)
		(pad "15" thru_hole oval
			(at 0 17.78)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 27 "/o_3")
			(pinfunction "Pin_15")
			(pintype "passive")
		)
		(pad "16" thru_hole oval
			(at 2.54 17.78)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 2 "GND")
			(pinfunction "Pin_16")
			(pintype "passive")
		)
		(pad "17" thru_hole oval
			(at 0 20.32)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 25 "/o_1")
			(pinfunction "Pin_17")
			(pintype "passive")
		)
		(pad "18" thru_hole oval
			(at 2.54 20.32)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 2 "GND")
			(pinfunction "Pin_18")
			(pintype "passive")
		)
		(pad "19" thru_hole oval
			(at 0 22.86)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 57 "/o_TT")
			(pinfunction "Pin_19")
			(pintype "passive")
		)
		(pad "20" thru_hole oval
			(at 2.54 22.86)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 2 "GND")
			(pinfunction "Pin_20")
			(pintype "passive")
		)
		(pad "21" thru_hole oval
			(at 0 25.4)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 34 "Net-(J3-Pin_21)")
			(pinfunction "Pin_21")
			(pintype "passive")
		)
		(pad "22" thru_hole oval
			(at 2.54 25.4)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 2 "GND")
			(pinfunction "Pin_22")
			(pintype "passive")
		)
		(pad "23" thru_hole oval
			(at 0 27.94)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 35 "Net-(J3-Pin_23)")
			(pinfunction "Pin_23")
			(pintype "passive")
		)
		(pad "24" thru_hole oval
			(at 2.54 27.94)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 2 "GND")
			(pinfunction "Pin_24")
			(pintype "passive")
		)
		(pad "25" thru_hole oval
			(at 0 30.48)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 36 "Net-(J3-Pin_25)")
			(pinfunction "Pin_25")
			(pintype "passive")
		)
		(pad "26" thru_hole oval
			(at 2.54 30.48)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 2 "GND")
			(pinfunction "Pin_26")
			(pintype "passive")
		)
		(embedded_fonts no)
		(model "${KICAD6_3DMODEL_DIR}/Connector_PinHeader_2.54mm.3dshapes/PinHeader_2x13_P2.54mm_Vertical.wrl"
			(offset
				(xyz 0 0 0)
			)
			(scale
				(xyz 1 1 1)
			)
			(rotate
				(xyz 0 0 0)
			)
		)
	)
	(footprint "Library:VSSOP-8_3.0x3.0mm_P0.65mm-0.08space"
		(layer "F.Cu")
		(at 95.4625 97.975)
		(descr "VSSOP-8 3.0 x 3.0, http://www.ti.com/lit/ds/symlink/lm75b.pdf")
		(tags "VSSOP-8 3.0 x 3.0")
		(property "Reference" "U8"
			(at 0 -2.5 0)
			(layer "F.SilkS")
		)
		(property "Value" "IN849"
			(at 0.02 2.73 0)
			(layer "F.Fab")
		)
		(property "Datasheet" "https://www.ti.com/lit/ds/symlink/ina849.pdf?ts=1716794813326&ref_url=https%253A%252F%252Fwww.ti.com%252Faudio-ic%252Famplifiers%252Fmicrophone-preamplifiers%252Fproducts.html"
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" ""
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "SOIC*3.9x4.9mm*P1.27mm* MSOP*3x3mm*P0.65mm*")
		(sheetname "/")
		(sheetfile "headamp.kicad_sch")
		(attr smd)
		(fp_text user "${REFERENCE}"
			(at 0 0 0)
			(layer "F.Fab")
		)
		(pad "1" smd rect
			(at -2.2 -0.975 270)
			(size 0.4445 1.524)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 13 "/h22")
			(pinfunction "-")
			(pintype "input")
		)
		(pad "2" smd rect
			(at -2.2 -0.325 270)
			(size 0.4445 1.524)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 52 "Net-(R8-Pad2)")
			(pinfunction "Rg")
			(pintype "passive")
		)
		(pad "3" smd rect
			(at -2.2 0.325 270)
			(size 0.4445 1.524)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 51 "Net-(R8-Pad1)")
			(pinfunction "Rg")
			(pintype "passive")
		)
		(pad "4" smd rect
			(at -2.2 0.975 270)
			(size 0.4445 1.524)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 9 "/h8")
			(pinfunction "+")
			(pintype "input")
		)
		(pad "5" smd rect
			(at 2.2 0.975 270)
			(size 0.4445 1.524)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 3 "-12V")
			(pinfunction "Vs-")
			(pintype "power_in")
		)
		(pad "6" smd rect
			(at 2.2 0.325 270)
			(size 0.4445 1.524)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 2 "GND")
			(pinfunction "Ref")
			(pintype "passive")
		)
		(pad "7" smd rect
			(at 2.2 -0.325 270)
			(size 0.4445 1.524)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 27 "/o_3")
			(pintype "output")
		)
		(pad "8" smd rect
			(at 2.2 -0.975 270)
			(size 0.4445 1.524)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 1 "+12V")
			(pinfunction "Vs+")
			(pintype "power_in")
		)
		(embedded_fonts no)
		(model "${KICAD6_3DMODEL_DIR}/Package_SO.3dshapes/VSSOP-8_3.0x3.0mm_P0.65mm.wrl"
			(offset
				(xyz 0 0 0)
			)
			(scale
				(xyz 1 1 1)
			)
			(rotate
				(xyz 0 0 0)
			)
		)
	)
	(footprint "Library:VSSOP-8_3.0x3.0mm_P0.65mm-0.08space"
		(layer "F.Cu")
		(at 115.455 99.06)
		(descr "VSSOP-8 3.0 x 3.0, http://www.ti.com/lit/ds/symlink/lm75b.pdf")
		(tags "VSSOP-8 3.0 x 3.0")
		(property "Reference" "U5"
			(at 0 -2.5 0)
			(layer "F.SilkS")
		)
		(property "Value" "IN849"
			(at 0.02 2.73 0)
			(layer "F.Fab")
		)
		(property "Datasheet" "https://www.ti.com/lit/ds/symlink/ina849.pdf?ts=1716794813326&ref_url=https%253A%252F%252Fwww.ti.com%252Faudio-ic%252Famplifiers%252Fmicrophone-preamplifiers%252Fproducts.html"
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" ""
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "SOIC*3.9x4.9mm*P1.27mm* MSOP*3x3mm*P0.65mm*")
		(sheetname "/")
		(sheetfile "headamp.kicad_sch")
		(attr smd)
		(fp_text user "${REFERENCE}"
			(at 0 0 0)
			(layer "F.Fab")
		)
		(pad "1" smd rect
			(at -2.2 -0.975 270)
			(size 0.4445 1.524)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 23 "/h25")
			(pinfunction "-")
			(pintype "input")
		)
		(pad "2" smd rect
			(at -2.2 -0.325 270)
			(size 0.4445 1.524)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 46 "Net-(R5-Pad2)")
			(pinfunction "Rg")
			(pintype "passive")
		)
		(pad "3" smd rect
			(at -2.2 0.325 270)
			(size 0.4445 1.524)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 45 "Net-(R5-Pad1)")
			(pinfunction "Rg")
			(pintype "passive")
		)
		(pad "4" smd rect
			(at -2.2 0.975 270)
			(size 0.4445 1.524)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 18 "/h19")
			(pinfunction "+")
			(pintype "input")
		)
		(pad "5" smd rect
			(at 2.2 0.975 270)
			(size 0.4445 1.524)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 3 "-12V")
			(pinfunction "Vs-")
			(pintype "power_in")
		)
		(pad "6" smd rect
			(at 2.2 0.325 270)
			(size 0.4445 1.524)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 2 "GND")
			(pinfunction "Ref")
			(pintype "passive")
		)
		(pad "7" smd rect
			(at 2.2 -0.325 270)
			(size 0.4445 1.524)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 30 "/o_6")
			(pintype "output")
		)
		(pad "8" smd rect
			(at 2.2 -0.975 270)
			(size 0.4445 1.524)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 1 "+12V")
			(pinfunction "Vs+")
			(pintype "power_in")
		)
		(embedded_fonts no)
		(model "${KICAD6_3DMODEL_DIR}/Package_SO.3dshapes/VSSOP-8_3.0x3.0mm_P0.65mm.wrl"
			(offset
				(xyz 0 0 0)
			)
			(scale
				(xyz 1 1 1)
			)
			(rotate
				(xyz 0 0 0)
			)
		)
	)
	(footprint "Connector_PinHeader_2.54mm:PinHeader_2x13_P2.54mm_Vertical"
		(layer "F.Cu")
		(at 74.803 73.66)
		(descr "Through hole straight pin header, 2x13, 2.54mm pitch, double rows")
		(tags "Through hole pin header THT 2x13 2.54mm double row")
		(property "Reference" "J1"
			(at 1.27 -2.33 0)
			(layer "F.SilkS")
		)
		(property "Value" "Conn_02x13_Odd_Even"
			(at 6.4725 31.2 0)
			(layer "F.Fab")
		)
		(property "Datasheet" "~"
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" ""
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "Connector*:*_2x??_*")
		(sheetname "/")
		(sheetfile "headamp.kicad_sch")
		(attr through_hole)
		(fp_text user "${REFERENCE}"
			(at 1.27 15.24 90)
			(layer "F.Fab")
		)
		(pad "1" thru_hole rect
			(at 0 0)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 2 "GND")
			(pinfunction "Pin_1")
			(pintype "passive")
		)
		(pad "2" thru_hole oval
			(at 2.54 0)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 4 "/h2")
			(pinfunction "Pin_2")
			(pintype "passive")
		)
		(pad "3" thru_hole oval
			(at 0 2.54)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 5 "/h3")
			(pinfunction "Pin_3")
			(pintype "passive")
		)
		(pad "4" thru_hole oval
			(at 2.54 2.54)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 6 "/h4")
			(pinfunction "Pin_4")
			(pintype "passive")
		)
		(pad "5" thru_hole oval
			(at 0 5.08)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 7 "/h5")
			(pinfunction "Pin_5")
			(pintype "passive")
		)
		(pad "6" thru_hole oval
			(at 2.54 5.08)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 8 "/h6")
			(pinfunction "Pin_6")
			(pintype "passive")
		)
		(pad "7" thru_hole oval
			(at 0 7.62)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 7 "/h5")
			(pinfunction "Pin_7")
			(pintype "passive")
		)
		(pad "8" thru_hole oval
			(at 2.54 7.62)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 9 "/h8")
			(pinfunction "Pin_8")
			(pintype "passive")
		)
		(pad "9" thru_hole oval
			(at 0 10.16)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 10 "/h9")
			(pinfunction "Pin_9")
			(pintype "passive")
		)
		(pad "10" thru_hole oval
			(at 2.54 10.16)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 21 "/h10")
			(pinfunction "Pin_10")
			(pintype "passive")
		)
		(pad "11" thru_hole oval
			(at 0 12.7)
			(size 1.7 1.7)
			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 12 "/h11")
			(pinfunction "Pin_11")
			(pintype "passive")
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		(pad "12" thru_hole oval
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			(size 1.7 1.7)
			(drill 1)
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			(remove_unused_layers no)
			(net 58 "/h12")
			(pinfunction "Pin_12")
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		(pad "13" thru_hole oval
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			(remove_unused_layers no)
			(net 11 "Net-(J1-Pin_13)")
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		(pad "14" thru_hole oval
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			(drill 1)
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			(remove_unused_layers no)
			(net 14 "/h14")
			(pinfunction "Pin_14")
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		(pad "15" thru_hole oval
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			(remove_unused_layers no)
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			(remove_unused_layers no)
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			(remove_unused_layers no)
			(net 16 "/h17")
			(pinfunction "Pin_17")
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		(pad "18" thru_hole oval
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			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 17 "/h18")
			(pinfunction "Pin_18")
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		(pad "19" thru_hole oval
			(at 0 22.86)
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			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 18 "/h19")
			(pinfunction "Pin_19")
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		(pad "20" thru_hole oval
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			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 19 "/h20")
			(pinfunction "Pin_20")
			(pintype "passive")
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		(pad "21" thru_hole oval
			(at 0 25.4)
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			(drill 1)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net 20 "Net-(J1-Pin_21)")
			(pinfunction "Pin_21")
			(pintype "passive")
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		(pad "22" thru_hole oval
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			(drill 1)
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			(remove_unused_layers no)
			(net 13 "/h22")
			(pinfunction "Pin_22")
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		(pad "23" thru_hole oval
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			(remove_unused_layers no)
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			(pinfunction "Pin_23")
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			(remove_unused_layers no)
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			(pinfunction "Pin_24")
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		(pad "25" thru_hole oval
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			(remove_unused_layers no)
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			(pinfunction "Pin_25")
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			(remove_unused_layers no)
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			(pinfunction "Pin_26")
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			(scale
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		(property "Datasheet" "~"
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		(property ki_fp_filters "R_*")
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		(pad "2" smd roundrect
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		(embedded_fonts no)
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		(property "Datasheet" "https://www.ti.com/lit/ds/symlink/ina849.pdf?ts=1716794813326&ref_url=https%253A%252F%252Fwww.ti.com%252Faudio-ic%252Famplifiers%252Fmicrophone-preamplifiers%252Fproducts.html"
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			(size 0.4445 1.524)
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			(size 0.4445 1.524)
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			(size 0.4445 1.524)
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			(size 0.4445 1.524)
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			(size 0.4445 1.524)
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		(pad "2" smd rect
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			(size 0.4445 1.524)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 50 "Net-(R7-Pad2)")
			(pinfunction "Rg")
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		(pad "3" smd rect
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			(size 0.4445 1.524)
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			(pinfunction "Rg")
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		(pad "4" smd rect
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			(size 0.4445 1.524)
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			(pinfunction "+")
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		(pad "5" smd rect
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			(size 0.4445 1.524)
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		(pad "6" smd rect
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			(size 0.4445 1.524)
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		(pad "7" smd rect
			(at 2.2 -0.325 270)
			(size 0.4445 1.524)
			(layers "F.Cu" "F.Mask" "F.Paste")
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		(pad "8" smd rect
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			(size 0.4445 1.524)
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		(embedded_fonts no)
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		(property "Value" ".1uF"
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		(property "Datasheet" "~"
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		(property "Description" ""
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		(fp_text user "${REFERENCE}"
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			(layer "F.Fab")
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		(pad "1" smd roundrect
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			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.25)
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		(descr "Capacitor SMD 0805 (2012 Metric), square (rectangular) end terminal, IPC_7351 nominal, (Body size source: IPC-SM-782 page 76, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf, https://docs.google.com/spreadsheets/d/1BsfQQcO9C6DZCsRaXUlFlo91Tg2WpOkGARC1WS5S8t0/edit?usp=sharing), generated with kicad-footprint-generator")
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		(property "Value" ".1uF"
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		(embedded_fonts no)
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			(size 1.025 1.4)
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		(embedded_fonts no)
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			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 24 "/h26")
			(pinfunction "-")
			(pintype "input")
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		(pad "2" smd rect
			(at -2.2 -0.325 270)
			(size 0.4445 1.524)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 56 "Net-(R10-Pad2)")
			(pinfunction "Rg")
			(pintype "passive")
		)
		(pad "3" smd rect
			(at -2.2 0.325 270)
			(size 0.4445 1.524)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 55 "Net-(R10-Pad1)")
			(pinfunction "Rg")
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		(pad "4" smd rect
			(at -2.2 0.975 270)
			(size 0.4445 1.524)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 4 "/h2")
			(pinfunction "+")
			(pintype "input")
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		(pad "5" smd rect
			(at 2.2 0.975 270)
			(size 0.4445 1.524)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 3 "-12V")
			(pinfunction "Vs-")
			(pintype "power_in")
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		(pad "6" smd rect
			(at 2.2 0.325 270)
			(size 0.4445 1.524)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 2 "GND")
			(pinfunction "Ref")
			(pintype "passive")
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		(pad "7" smd rect
			(at 2.2 -0.325 270)
			(size 0.4445 1.524)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 25 "/o_1")
			(pintype "output")
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		(pad "8" smd rect
			(at 2.2 -0.975 270)
			(size 0.4445 1.524)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net 1 "+12V")
			(pinfunction "Vs+")
			(pintype "power_in")
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		(embedded_fonts no)
		(model "${KICAD6_3DMODEL_DIR}/Package_SO.3dshapes/VSSOP-8_3.0x3.0mm_P0.65mm.wrl"
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			(scale
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			(rotate
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		(layer "F.Cu")
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		(descr "Resistor SMD 0805 (2012 Metric), square (rectangular) end terminal, IPC_7351 nominal, (Body size source: IPC-SM-782 page 72, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator")
		(tags "resistor")
		(property "Reference" "R15"
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			(layer "F.SilkS")
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		(property "Value" "10k"
			(at 0 1.65 0)
			(layer "F.Fab")
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		(property "Datasheet" "~"
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			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" ""
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			(layer "F.Fab")
			(hide yes)
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		(property ki_fp_filters "R_*")
		(sheetname "/")
		(sheetfile "headamp.kicad_sch")
		(attr smd)
		(fp_text user "${REFERENCE}"
			(at 0 0 0)
			(layer "F.Fab")
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		(pad "1" smd roundrect
			(at -0.9125 0)
			(size 1.025 1.4)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.243902439)
			(net 15 "/h16")
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		(pad "2" smd roundrect
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			(size 1.025 1.4)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.243902439)
			(net 2 "GND")
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		(embedded_fonts no)
		(model "${KICAD6_3DMODEL_DIR}/Resistor_SMD.3dshapes/R_0805_2012Metric.wrl"
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			(scale
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	(footprint "Resistor_SMD:R_0805_2012Metric"
		(layer "F.Cu")
		(at 69.85 81.28 180)
		(descr "Resistor SMD 0805 (2012 Metric), square (rectangular) end terminal, IPC_7351 nominal, (Body size source: IPC-SM-782 page 72, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator")
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			(layer "F.SilkS")
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		(property "Value" "10k"
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			(layer "F.Fab")
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		(property "Datasheet" "~"
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			(layer "F.Fab")
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		(property "Description" ""
			(at 0 0 180)
			(layer "F.Fab")
			(hide yes)
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		(property ki_fp_filters "R_*")
		(sheetname "/")
		(sheetfile "headamp.kicad_sch")
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		(fp_text user "${REFERENCE}"
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			(layer "F.Fab")
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		(pad "1" smd roundrect
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			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.243902439)
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		(pad "2" smd roundrect
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			(size 1.025 1.4)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.243902439)
			(net 2 "GND")
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		(embedded_fonts no)
		(model "${KICAD6_3DMODEL_DIR}/Resistor_SMD.3dshapes/R_0805_2012Metric.wrl"
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			(scale
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			(rotate
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	)
	(footprint "Capacitor_SMD:C_0805_2012Metric"
		(layer "F.Cu")
		(at 101.6 80.015 -90)
		(descr "Capacitor SMD 0805 (2012 Metric), square (rectangular) end terminal, IPC_7351 nominal, (Body size source: IPC-SM-782 page 76, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf, https://docs.google.com/spreadsheets/d/1BsfQQcO9C6DZCsRaXUlFlo91Tg2WpOkGARC1WS5S8t0/edit?usp=sharing), generated with kicad-footprint-generator")
		(tags "capacitor")
		(property "Reference" "C4"
			(at 0 -1.68 90)
			(layer "F.SilkS")
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		(property "Value" ".1uF"
			(at 0 1.68 90)
			(layer "F.Fab")
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		(property "Datasheet" "~"
			(at 0 0 270)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" ""
			(at 0 0 270)
			(layer "F.Fab")
			(hide yes)
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		(property ki_fp_filters "C_*")
		(sheetname "/")
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		(fp_text user "${REFERENCE}"
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			(layer "F.Fab")
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		(pad "1" smd roundrect
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			(size 1 1.45)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.25)
			(net 2 "GND")
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		(pad "2" smd roundrect
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			(size 1 1.45)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.25)
			(net 3 "-12V")
			(pintype "passive")
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		(embedded_fonts no)
		(model "${KICAD6_3DMODEL_DIR}/Capacitor_SMD.3dshapes/C_0805_2012Metric.wrl"
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				(xyz 0 0 0)
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			(scale
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			(rotate
				(xyz 0 0 0)
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	(footprint "Resistor_SMD:R_0805_2012Metric"
		(layer "F.Cu")
		(at 88.9 73.665)
		(descr "Resistor SMD 0805 (2012 Metric), square (rectangular) end terminal, IPC_7351 nominal, (Body size source: IPC-SM-782 page 72, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator")
		(tags "resistor")
		(property "Reference" "R10"
			(at 0 -1.65 0)
			(layer "F.SilkS")
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		(property "Value" "3.16"
			(at 0 1.65 0)
			(layer "F.Fab")
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		(property "Datasheet" "~"
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			(layer "F.Fab")
			(hide yes)
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			(at 0 0 0)
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			(hide yes)
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		(property ki_fp_filters "R_*")
		(sheetname "/")
		(sheetfile "headamp.kicad_sch")
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		(fp_text user "${REFERENCE}"
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		(pad "1" smd roundrect
			(at -0.9125 0)
			(size 1.025 1.4)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.243902439)
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		(pad "2" smd roundrect
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			(size 1.025 1.4)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.243902439)
			(net 56 "Net-(R10-Pad2)")
			(pintype "passive")
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		(embedded_fonts no)
		(model "${KICAD6_3DMODEL_DIR}/Resistor_SMD.3dshapes/R_0805_2012Metric.wrl"
			(offset
				(xyz 0 0 0)
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			(scale
				(xyz 1 1 1)
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			(rotate
				(xyz 0 0 0)
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		)
	)
	(footprint "Capacitor_SMD:C_0805_2012Metric"
		(layer "F.Cu")
		(at 101.66 91.55 -90)
		(descr "Capacitor SMD 0805 (2012 Metric), square (rectangular) end terminal, IPC_7351 nominal, (Body size source: IPC-SM-782 page 76, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf, https://docs.google.com/spreadsheets/d/1BsfQQcO9C6DZCsRaXUlFlo91Tg2WpOkGARC1WS5S8t0/edit?usp=sharing), generated with kicad-footprint-generator")
		(tags "capacitor")
		(property "Reference" "C2"
			(at 0 -1.68 90)
			(layer "F.SilkS")
		)
		(property "Value" ".1uF"
			(at 0 1.68 90)
			(layer "F.Fab")
		)
		(property "Datasheet" "~"
			(at 0 0 270)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" ""
			(at 0 0 270)
			(layer "F.Fab")
			(hide yes)
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		(property ki_fp_filters "C_*")
		(sheetname "/")
		(sheetfile "headamp.kicad_sch")
		(attr smd)
		(fp_text user "${REFERENCE}"
			(at 0 0 90)
			(layer "F.Fab")
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		(pad "1" smd roundrect
			(at -0.95 0 270)
			(size 1 1.45)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.25)
			(net 2 "GND")
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		(pad "2" smd roundrect
			(at 0.95 0 270)
			(size 1 1.45)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.25)
			(net 3 "-12V")
			(pintype "passive")
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		(embedded_fonts no)
		(model "${KICAD6_3DMODEL_DIR}/Capacitor_SMD.3dshapes/C_0805_2012Metric.wrl"
			(offset
				(xyz 0 0 0)
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			(scale
				(xyz 1 1 1)
			)
			(rotate
				(xyz 0 0 0)
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		)
	)
	(footprint "Capacitor_SMD:C_0805_2012Metric"
		(layer "F.Cu")
		(at 101.1 103.055 -90)
		(descr "Capacitor SMD 0805 (2012 Metric), square (rectangular) end terminal, IPC_7351 nominal, (Body size source: IPC-SM-782 page 76, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf, https://docs.google.com/spreadsheets/d/1BsfQQcO9C6DZCsRaXUlFlo91Tg2WpOkGARC1WS5S8t0/edit?usp=sharing), generated with kicad-footprint-generator")
		(tags "capacitor")
		(property "Reference" "C6"
			(at 0 -1.68 90)
			(layer "F.SilkS")
		)
		(property "Value" ".1uF"
			(at 0 1.68 90)
			(layer "F.Fab")
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		(property "Datasheet" "~"
			(at 0 0 270)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" ""
			(at 0 0 270)
			(layer "F.Fab")
			(hide yes)
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		(property ki_fp_filters "C_*")
		(sheetname "/")
		(sheetfile "headamp.kicad_sch")
		(attr smd)
		(fp_text user "${REFERENCE}"
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		(pad "1" smd roundrect
			(at -0.95 0 270)
			(size 1 1.45)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.25)
			(net 2 "GND")
			(pintype "passive")
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		(pad "2" smd roundrect
			(at 0.95 0 270)
			(size 1 1.45)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.25)
			(net 3 "-12V")
			(pintype "passive")
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		(embedded_fonts no)
		(model "${KICAD6_3DMODEL_DIR}/Capacitor_SMD.3dshapes/C_0805_2012Metric.wrl"
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				(xyz 0 0 0)
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			(scale
				(xyz 1 1 1)
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			(rotate
				(xyz 0 0 0)
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	(footprint "Resistor_SMD:R_0805_2012Metric"
		(layer "F.Cu")
		(at 108.585 81.92)
		(descr "Resistor SMD 0805 (2012 Metric), square (rectangular) end terminal, IPC_7351 nominal, (Body size source: IPC-SM-782 page 72, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator")
		(tags "resistor")
		(property "Reference" "R4"
			(at 0 -1.65 0)
			(layer "F.SilkS")
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		(property "Value" "3.16"
			(at 0 1.65 0)
			(layer "F.Fab")
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		(property "Datasheet" "~"
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			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" ""
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			(layer "F.Fab")
			(hide yes)
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		(sheetname "/")
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		(fp_text user "${REFERENCE}"
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			(size 1.025 1.4)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.243902439)
			(net 43 "Net-(R4-Pad1)")
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		(pad "2" smd roundrect
			(at 0.9125 0)
			(size 1.025 1.4)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.243902439)
			(net 44 "Net-(R4-Pad2)")
			(pintype "passive")
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		(embedded_fonts no)
		(model "${KICAD6_3DMODEL_DIR}/Resistor_SMD.3dshapes/R_0805_2012Metric.wrl"
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			(scale
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			(rotate
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	(gr_line
		(start 63.5 116.84)
		(end 63.5 63.5)
		(layer "Edge.Cuts")
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	(gr_line
		(start 147.32 116.84)
		(end 63.5 116.84)
		(layer "Edge.Cuts")
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	(gr_line
		(start 147.32 63.5)
		(end 147.32 116.84)
		(layer "Edge.Cuts")
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	(gr_line
		(start 63.5 63.5)
		(end 147.32 63.5)
		(layer "Edge.Cuts")
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	(gr_text "p8"
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		(layer "F.SilkS")
	)
	(gr_text "MT"
		(at 133.35 75.565 0)
		(layer "F.SilkS")
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	(gr_text "p3"
		(at 133.35 78.105 0)
		(layer "F.SilkS")
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	(gr_text "p1"
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	(gr_text "1"
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	(gr_text "p10"
		(at 132.715 93.345 0)
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	(gr_text "1 Black"
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	(gr_text "TT"
		(at 132.715 95.885 0)
		(layer "F.SilkS")
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	(gr_text "Head"
		(at 72.39 69.85 0)
		(layer "F.SilkS")
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	(gr_text "Even GND"
		(at 125.73 68.58 0)
		(layer "F.SilkS")
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	(zone
		(net 2)
		(net_name "GND")
		(layers "F.Cu" "B.Cu")
		(hatch edge 0.5)
		(connect_pads
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		(min_thickness 0.25)
		(filled_areas_thickness no)
		(fill yes
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			(thermal_bridge_width 0.5)
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	(embedded_fonts no)
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