(kicad_pcb
	(version 20260206)
	(generator "pcbnew")
	(generator_version "10.0")
	(general
		(thickness 1.6)
		(legacy_teardrops no)
	)
	(paper "A4")
	(layers
		(0 "F.Cu" signal)
		(4 "In1.Cu" signal)
		(6 "In2.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)
	)
	(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 "prepreg")
				(thickness 0.1)
				(material "FR4")
				(epsilon_r 4.5)
				(loss_tangent 0.02)
			)
			(layer "In1.Cu"
				(type "copper")
				(thickness 0.035)
			)
			(layer "dielectric 2"
				(type "core")
				(thickness 1.24)
				(material "FR4")
				(epsilon_r 4.5)
				(loss_tangent 0.02)
			)
			(layer "In2.Cu"
				(type "copper")
				(thickness 0.035)
			)
			(layer "dielectric 3"
				(type "prepreg")
				(thickness 0.1)
				(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 yes)
			(back yes)
		)
		(covering
			(front no)
			(back no)
		)
		(plugging
			(front no)
			(back no)
		)
		(capping no)
		(filling no)
		(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)
			(dashed_line_gap_ratio 3)
			(svgprecision 4)
			(plotframeref no)
			(mode 1)
			(useauxorigin no)
			(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 0)
			(scaleselection 1)
			(outputdirectory "gerbers/")
		)
	)
	(footprint "Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder"
		(layer "F.Cu")
		(at 145.5 96.75 90)
		(descr "Capacitor SMD 0805 (2012 Metric), square (rectangular) end terminal, IPC-7351 nominal with elongated pad for handsoldering. (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)")
		(tags "capacitor handsolder")
		(property "Reference" "C3"
			(at 3 0 90)
			(layer "F.SilkS")
		)
		(property "Value" "0.01µ"
			(at 0 1.68 90)
			(layer "F.Fab")
		)
		(property "Datasheet" ""
			(at 0 0 90)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" "Unpolarized capacitor"
			(at 0 0 90)
			(layer "F.Fab")
			(hide yes)
		)
		(property "KiLib_Generator" "SMD_2terminal_chip_molded"
			(at 0 0 90)
			(layer "F.SilkS")
			(hide yes)
		)
		(property ki_fp_filters "C_*")
		(sheetname "/")
		(sheetfile "buffer-amp-v1.kicad_sch")
		(units
			(unit
				(name "A")
				(pins "1" "2")
			)
		)
		(attr smd)
		(duplicate_pad_numbers_are_jumpers no)
		(fp_text user "${REFERENCE}"
			(at 0 0 90)
			(layer "F.Fab")
		)
		(pad "1" smd roundrect
			(at -1.0375 0 90)
			(size 1.175 1.45)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.212766)
			(net "Net-(J2-Pin_1)")
			(pintype "passive")
		)
		(pad "2" smd roundrect
			(at 1.0375 0 90)
			(size 1.175 1.45)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.212766)
			(net "GND")
			(pintype "passive")
		)
		(embedded_fonts no)
		(model "${KICAD10_3DMODEL_DIR}/Capacitor_SMD.3dshapes/C_0805_2012Metric.step"
			(offset
				(xyz 0 0 0)
			)
			(scale
				(xyz 1 1 1)
			)
			(rotate
				(xyz 0 0 0)
			)
		)
	)
	(footprint "_my_footprints:TermBlock_1x2_Phoenix1771091"
		(layer "F.Cu")
		(at 146.75 85.181401)
		(tags "1771091 ")
		(property "Reference" "VS+"
			(at 7 -0.181401 0)
			(unlocked yes)
			(layer "F.SilkS")
		)
		(property "Value" "Screw_Terminal_01x02"
			(at 0 5.068599 0)
			(unlocked yes)
			(layer "F.SilkS")
			(hide yes)
		)
		(property "Datasheet" ""
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" "Generic screw terminal, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/)"
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "TerminalBlock*:*")
		(sheetname "/")
		(sheetfile "buffer-amp-v1.kicad_sch")
		(units
			(unit
				(name "A")
				(pins "1" "2")
			)
		)
		(attr smd)
		(duplicate_pad_numbers_are_jumpers no)
		(fp_text user "${REFERENCE}"
			(at 0 2.068599 0)
			(unlocked yes)
			(layer "F.Fab")
		)
		(pad "1" smd rect
			(at -1.25 2.068599)
			(size 1.397 3.4036)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net "Net-(J2-Pin_1)")
			(pinfunction "Pin_1_1")
			(pintype "passive")
		)
		(pad "2" smd rect
			(at 1.25 2.068599)
			(size 1.397 3.4036)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net "GND")
			(pinfunction "Pin_2_2")
			(pintype "passive")
		)
		(pad "3" smd rect
			(at -4.199999 -1.0814)
			(size 2.3114 5.588)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net "GND")
		)
		(pad "4" smd rect
			(at 4.199999 -1.0814)
			(size 2.3114 5.588)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net "GND")
		)
		(embedded_fonts no)
		(model "${KIPRJMOD}/1771091.stp"
			(offset
				(xyz -2.5 -1.5 0)
			)
			(scale
				(xyz 1 1 1)
			)
			(rotate
				(xyz -0 -0 -0)
			)
		)
	)
	(footprint "_my_footprints:OPA810IDR"
		(layer "F.Cu")
		(at 140.62255 98.905)
		(tags "OPA810IDR ")
		(property "Reference" "U1"
			(at 0 -3.8 0)
			(unlocked yes)
			(layer "F.SilkS")
		)
		(property "Value" "OPA810IDR"
			(at 1.62745 4.095 0)
			(unlocked yes)
			(layer "F.SilkS")
		)
		(property "Datasheet" "https://www.ti.com/lit/gpn/opa810"
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" ""
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "SOIC8_D_TEX SOIC8_D_TEX-M SOIC8_D_TEX-L")
		(sheetname "/")
		(sheetfile "buffer-amp-v1.kicad_sch")
		(units
			(unit
				(name "A")
				(pins "1" "2" "3" "4" "8" "7" "6" "5")
			)
		)
		(attr smd)
		(duplicate_pad_numbers_are_jumpers no)
		(fp_text user "*"
			(at -3.6 -2.8 0)
			(unlocked yes)
			(layer "F.SilkS")
		)
		(fp_text user "*"
			(at -2.87655 -3.556 0)
			(layer "F.SilkS")
		)
		(fp_text user "*"
			(at -1.6129 -2.4257 0)
			(layer "F.Fab")
		)
		(fp_text user "*"
			(at -1.6129 -2.4257 0)
			(unlocked yes)
			(layer "F.Fab")
		)
		(fp_text user "${REFERENCE}"
			(at 0 0 0)
			(unlocked yes)
			(layer "F.Fab")
		)
		(pad "1" smd rect
			(at -2.62255 -1.905)
			(size 1.2573 0.508)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net "unconnected-(U1-NC-Pad1)")
			(pinfunction "NC_1")
			(pintype "no_connect")
		)
		(pad "2" smd rect
			(at -2.62255 -0.635)
			(size 1.2573 0.508)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net "Net-(U1-VIN-)")
			(pinfunction "VIN-_2")
			(pintype "input")
		)
		(pad "3" smd rect
			(at -2.62255 0.635)
			(size 1.2573 0.508)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net "Net-(J1-In)")
			(pinfunction "VIN+_3")
			(pintype "input")
		)
		(pad "4" smd rect
			(at -2.62255 1.905)
			(size 1.2573 0.508)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net "Net-(J3-Pin_1)")
			(pinfunction "VS-_4")
			(pintype "power_in")
		)
		(pad "5" smd rect
			(at 2.62255 1.905)
			(size 1.2573 0.508)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net "unconnected-(U1-NC-Pad5)")
			(pinfunction "NC_5")
			(pintype "no_connect")
		)
		(pad "6" smd rect
			(at 2.62255 0.635)
			(size 1.2573 0.508)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net "Net-(U1-VO)")
			(pinfunction "VO_6")
			(pintype "output")
		)
		(pad "7" smd rect
			(at 2.62255 -0.635)
			(size 1.2573 0.508)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net "Net-(J2-Pin_1)")
			(pinfunction "VS+_7")
			(pintype "power_in")
		)
		(pad "8" smd rect
			(at 2.62255 -1.905)
			(size 1.2573 0.508)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net "unconnected-(U1-NC-Pad8)")
			(pinfunction "NC_8")
			(pintype "no_connect")
		)
		(embedded_fonts no)
		(model "${KIPRJMOD}/OPA810IDR/D0008A.stp"
			(offset
				(xyz 0 0 0)
			)
			(scale
				(xyz 1 1 1)
			)
			(rotate
				(xyz 0 0 0)
			)
		)
	)
	(footprint "_my_footprints:TermBlock_1x2_Phoenix1771091"
		(layer "F.Cu")
		(at 134.440951 85.181401)
		(tags "1771091 ")
		(property "Reference" "VS-"
			(at -7.440951 -0.181401 0)
			(unlocked yes)
			(layer "F.SilkS")
		)
		(property "Value" "Screw_Terminal_01x02"
			(at 0 5.068599 0)
			(unlocked yes)
			(layer "F.SilkS")
			(hide yes)
		)
		(property "Datasheet" ""
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" "Generic screw terminal, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/)"
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property ki_fp_filters "TerminalBlock*:*")
		(sheetname "/")
		(sheetfile "buffer-amp-v1.kicad_sch")
		(units
			(unit
				(name "A")
				(pins "1" "2")
			)
		)
		(attr smd)
		(duplicate_pad_numbers_are_jumpers no)
		(fp_text user "${REFERENCE}"
			(at 0 2.068599 0)
			(unlocked yes)
			(layer "F.Fab")
		)
		(pad "1" smd rect
			(at -1.25 2.068599)
			(size 1.397 3.4036)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net "Net-(J3-Pin_1)")
			(pinfunction "Pin_1_1")
			(pintype "passive")
		)
		(pad "2" smd rect
			(at 1.25 2.068599)
			(size 1.397 3.4036)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net "GND")
			(pinfunction "Pin_2_2")
			(pintype "passive")
		)
		(pad "3" smd rect
			(at -4.199999 -1.0814)
			(size 2.3114 5.588)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net "GND")
		)
		(pad "4" smd rect
			(at 4.199999 -1.0814)
			(size 2.3114 5.588)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(net "GND")
		)
		(embedded_fonts no)
		(model "${KIPRJMOD}/1771091.stp"
			(offset
				(xyz -2.5 -1.5 0)
			)
			(scale
				(xyz 1 1 1)
			)
			(rotate
				(xyz -0 -0 -0)
			)
		)
	)
	(footprint "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder"
		(layer "F.Cu")
		(at 135.3375 98.25)
		(descr "Resistor SMD 0603 (1608 Metric), square (rectangular) end terminal, IPC-7351 nominal with elongated pad for handsoldering. (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)")
		(tags "resistor handsolder")
		(property "Reference" "RG1"
			(at 0 -1.43 0)
			(layer "F.SilkS")
		)
		(property "Value" "1.01k"
			(at 0 1.43 0)
			(layer "F.Fab")
		)
		(property "Datasheet" ""
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" "Resistor"
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property "KiLib_Generator" "SMD_2terminal_chip_molded"
			(at 0 0 0)
			(layer "F.SilkS")
			(hide yes)
		)
		(property ki_fp_filters "R_*")
		(sheetname "/")
		(sheetfile "buffer-amp-v1.kicad_sch")
		(units
			(unit
				(name "A")
				(pins "1" "2")
			)
		)
		(attr smd)
		(duplicate_pad_numbers_are_jumpers no)
		(fp_text user "${REFERENCE}"
			(at 0 0 0)
			(layer "F.Fab")
		)
		(pad "1" smd roundrect
			(at -0.9125 0)
			(size 0.975 0.95)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.25)
			(net "GND")
			(pintype "passive")
		)
		(pad "2" smd roundrect
			(at 0.9125 0)
			(size 0.975 0.95)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.25)
			(net "Net-(U1-VIN-)")
			(pintype "passive")
		)
		(embedded_fonts no)
		(model "${KICAD10_3DMODEL_DIR}/Resistor_SMD.3dshapes/R_0603_1608Metric.step"
			(offset
				(xyz 0 0 0)
			)
			(scale
				(xyz 1 1 1)
			)
			(rotate
				(xyz 0 0 0)
			)
		)
	)
	(footprint "Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder"
		(layer "F.Cu")
		(at 135.9625 102 -90)
		(descr "Capacitor SMD 0805 (2012 Metric), square (rectangular) end terminal, IPC-7351 nominal with elongated pad for handsoldering. (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)")
		(tags "capacitor handsolder")
		(property "Reference" "C1"
			(at 2.25 -2.0375 0)
			(layer "F.SilkS")
		)
		(property "Value" "0.01µ"
			(at 0 1.68 90)
			(layer "F.Fab")
		)
		(property "Datasheet" ""
			(at 0 0 90)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" "Unpolarized capacitor"
			(at 0 0 90)
			(layer "F.Fab")
			(hide yes)
		)
		(property "KiLib_Generator" "SMD_2terminal_chip_molded"
			(at 0 0 90)
			(layer "F.SilkS")
			(hide yes)
		)
		(property ki_fp_filters "C_*")
		(sheetname "/")
		(sheetfile "buffer-amp-v1.kicad_sch")
		(units
			(unit
				(name "A")
				(pins "1" "2")
			)
		)
		(attr smd)
		(duplicate_pad_numbers_are_jumpers no)
		(fp_text user "${REFERENCE}"
			(at 0 0 90)
			(layer "F.Fab")
		)
		(pad "1" smd roundrect
			(at -1.0375 0 270)
			(size 1.175 1.45)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.212766)
			(net "Net-(J3-Pin_1)")
			(pintype "passive")
		)
		(pad "2" smd roundrect
			(at 1.0375 0 270)
			(size 1.175 1.45)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.212766)
			(net "GND")
			(pintype "passive")
		)
		(embedded_fonts no)
		(model "${KICAD10_3DMODEL_DIR}/Capacitor_SMD.3dshapes/C_0805_2012Metric.step"
			(offset
				(xyz 0 0 0)
			)
			(scale
				(xyz 1 1 1)
			)
			(rotate
				(xyz 0 0 0)
			)
		)
	)
	(footprint "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder"
		(layer "F.Cu")
		(at 146 99.5)
		(descr "Resistor SMD 0603 (1608 Metric), square (rectangular) end terminal, IPC-7351 nominal with elongated pad for handsoldering. (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)")
		(tags "resistor handsolder")
		(property "Reference" "R1"
			(at 0 1.5 0)
			(layer "F.SilkS")
		)
		(property "Value" "50"
			(at 0 1.43 0)
			(layer "F.Fab")
		)
		(property "Datasheet" ""
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" "Resistor"
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property "KiLib_Generator" "SMD_2terminal_chip_molded"
			(at 0 0 0)
			(layer "F.SilkS")
			(hide yes)
		)
		(property ki_fp_filters "R_*")
		(sheetname "/")
		(sheetfile "buffer-amp-v1.kicad_sch")
		(units
			(unit
				(name "A")
				(pins "1" "2")
			)
		)
		(attr smd)
		(duplicate_pad_numbers_are_jumpers no)
		(fp_text user "${REFERENCE}"
			(at 0 0 0)
			(layer "F.Fab")
		)
		(pad "1" smd roundrect
			(at -0.9125 0)
			(size 0.975 0.95)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.25)
			(net "Net-(U1-VO)")
			(pintype "passive")
		)
		(pad "2" smd roundrect
			(at 0.9125 0)
			(size 0.975 0.95)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.25)
			(net "Net-(J4-In)")
			(pintype "passive")
		)
		(embedded_fonts no)
		(model "${KICAD10_3DMODEL_DIR}/Resistor_SMD.3dshapes/R_0603_1608Metric.step"
			(offset
				(xyz 0 0 0)
			)
			(scale
				(xyz 1 1 1)
			)
			(rotate
				(xyz 0 0 0)
			)
		)
	)
	(footprint "Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder"
		(layer "F.Cu")
		(at 140.5 91.75 180)
		(descr "Capacitor SMD 0805 (2012 Metric), square (rectangular) end terminal, IPC-7351 nominal with elongated pad for handsoldering. (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)")
		(tags "capacitor handsolder")
		(property "Reference" "C5"
			(at 0 -1.68 0)
			(layer "F.SilkS")
		)
		(property "Value" "0.01µ"
			(at 0 1.75 0)
			(layer "F.Fab")
		)
		(property "Datasheet" ""
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property "Description" "Unpolarized capacitor"
			(at 0 0 0)
			(layer "F.Fab")
			(hide yes)
		)
		(property "KiLib_Generator" "SMD_2terminal_chip_molded"
			(at 0 0 0)
			(layer "F.SilkS")
			(hide yes)
		)
		(property ki_fp_filters "C_*")
		(sheetname "/")
		(sheetfile "buffer-amp-v1.kicad_sch")
		(units
			(unit
				(name "A")
				(pins "1" "2")
			)
		)
		(attr smd)
		(duplicate_pad_numbers_are_jumpers no)
		(fp_text user "${REFERENCE}"
			(at 0 0 0)
			(layer "F.Fab")
		)
		(pad "1" smd roundrect
			(at -1.0375 0 180)
			(size 1.175 1.45)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.212766)
			(net "Net-(J2-Pin_1)")
			(pintype "passive")
		)
		(pad "2" smd roundrect
			(at 1.0375 0 180)
			(size 1.175 1.45)
			(layers "F.Cu" "F.Mask" "F.Paste")
			(roundrect_rratio 0.212766)
			(net "Net-(J3-Pin_1)")
			(pintype "passive")
		)
		(embedded_fonts no)
		(model "${KICAD10_3DMODEL_DIR}/Capacitor_SMD.3dshapes/C_0805_2012Metric.step"
			(offset
				(xyz 0 0 0)
			)
			(scale
				(xyz 1 1 1)
			)
			(rotate
				(xyz 0 0 0)
			)
		)
	)
	(footprint "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder"
		(layer "B.Cu")
		(at 140.62255 98.905 180)
		(descr "Resistor SMD 0603 (1608 Metric), square (rectangular) end terminal, IPC-7351 nominal with elongated pad for handsoldering. (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)")
		(tags "resistor handsolder")
		(property "Reference" "RF1"
			(at 0 1.43 0)
			(layer "B.SilkS")
		)
		(property "Value" "1.01k"
			(at 0 -1.43 0)
			(layer "B.Fab")
		)
		(property "Datasheet" ""
			(at 0 0 0)
			(layer "B.Fab")
			(hide yes)
		)
		(property "Description" "Resistor"
			(at 0 0 0)
			(layer "B.Fab")
			(hide yes)
		)
		(property "KiLib_Generator" "SMD_2terminal_chip_molded"
			(at 0 0 0)
			(layer "B.SilkS")
			(hide yes)
		)
		(property ki_fp_filters "R_*")
		(sheetname "/")
		(sheetfile "buffer-amp-v1.kicad_sch")
		(units
			(unit
				(name "A")
				(pins "1" "2")
			)
		)
		(attr smd)
		(duplicate_pad_numbers_are_jumpers no)
		(fp_text user "${REFERENCE}"
			(at 0 0 0)
			(layer "B.Fab")
		)
		(pad "1" smd roundrect
			(at -0.9125 0 180)
			(size 0.975 0.95)
			(layers "B.Cu" "B.Mask" "B.Paste")
			(roundrect_rratio 0.25)
			(net "Net-(U1-VO)")
			(pintype "passive")
		)
		(pad "2" smd roundrect
			(at 0.9125 0 180)
			(size 0.975 0.95)
			(layers "B.Cu" "B.Mask" "B.Paste")
			(roundrect_rratio 0.25)
			(net "Net-(U1-VIN-)")
			(pintype "passive")
		)
		(embedded_fonts no)
		(model "${KICAD10_3DMODEL_DIR}/Resistor_SMD.3dshapes/R_0603_1608Metric.step"
			(offset
				(xyz 0 0 0)
			)
			(scale
				(xyz 1 1 1)
			)
			(rotate
				(xyz 0 0 0)
			)
		)
	)
	(footprint "_my_footprints:TE_CONSMA008-G"
		(layer "B.Cu")
		(at 152.3 99.5 180)
		(property "Reference" "J4"
			(at 0.05 5.05 0)
			(layer "B.SilkS")
		)
		(property "Value" "Conn_Coaxial"
			(at -4.7 -0.5 90)
			(layer "B.SilkS")
		)
		(property "Datasheet" ""
			(at 0 0 0)
			(layer "B.Fab")
			(hide yes)
		)
		(property "Description" "coaxial connector (BNC, SMA, SMB, SMC, Cinch/RCA, LEMO, ...)"
			(at 0 0 0)
			(layer "B.Fab")
			(hide yes)
		)
		(property ki_fp_filters "*BNC* *SMA* *SMB* *SMC* *Cinch* *LEMO* *UMRF* *MCX* *U.FL*")
		(sheetname "/")
		(sheetfile "buffer-amp-v1.kicad_sch")
		(units
			(unit
				(name "A")
				(pins "1" "2")
			)
		)
		(attr through_hole)
		(duplicate_pad_numbers_are_jumpers no)
		(pad "1" thru_hole circle
			(at 0 0 180)
			(size 2.2 2.2)
			(drill 1.48)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "Net-(J4-In)")
			(pinfunction "In_1")
			(pintype "passive")
			(solder_mask_margin 0.102)
		)
		(pad "2" thru_hole circle
			(at -2.55 -2.55 180)
			(size 2.37 2.37)
			(drill 1.58)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "GND")
			(pinfunction "Ext_2")
			(pintype "passive")
			(solder_mask_margin 0.102)
		)
		(pad "2" thru_hole circle
			(at -2.55 2.55 180)
			(size 2.37 2.37)
			(drill 1.58)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "GND")
			(pinfunction "Ext_2")
			(pintype "passive")
			(solder_mask_margin 0.102)
		)
		(pad "2" thru_hole circle
			(at 2.55 -2.55 180)
			(size 2.37 2.37)
			(drill 1.58)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "GND")
			(pinfunction "Ext_2")
			(pintype "passive")
			(solder_mask_margin 0.102)
		)
		(pad "2" thru_hole circle
			(at 2.55 2.55 180)
			(size 2.37 2.37)
			(drill 1.58)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "GND")
			(pinfunction "Ext_2")
			(pintype "passive")
			(solder_mask_margin 0.102)
		)
		(embedded_fonts no)
		(model "${KIPRJMOD}/CONSMA008-G.STEP"
			(offset
				(xyz 0 0 0)
			)
			(scale
				(xyz 1 1 1)
			)
			(rotate
				(xyz -90 -0 -0)
			)
		)
	)
	(footprint "Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder"
		(layer "B.Cu")
		(at 145.5 96.75 90)
		(descr "Capacitor SMD 0805 (2012 Metric), square (rectangular) end terminal, IPC-7351 nominal with elongated pad for handsoldering. (Body size source: IPC-SM-782 page 76, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf, https://docs.google.com/spreadsheets/d/1BsfQQcO9C6DZCsRaXUlFlo91Tg2WpOkGARC1WS5S8t0/edit?usp=sharing)")
		(tags "capacitor handsolder")
		(property "Reference" "C4"
			(at 0 1.68 90)
			(layer "B.SilkS")
		)
		(property "Value" "2.2µ"
			(at 0 -1.68 90)
			(layer "B.Fab")
		)
		(property "Datasheet" ""
			(at 0 0 90)
			(layer "B.Fab")
			(hide yes)
		)
		(property "Description" "Unpolarized capacitor"
			(at 0 0 90)
			(layer "B.Fab")
			(hide yes)
		)
		(property "KiLib_Generator" "SMD_2terminal_chip_molded"
			(at 0 0 90)
			(layer "B.SilkS")
			(hide yes)
		)
		(property ki_fp_filters "C_*")
		(sheetname "/")
		(sheetfile "buffer-amp-v1.kicad_sch")
		(units
			(unit
				(name "A")
				(pins "1" "2")
			)
		)
		(attr smd)
		(duplicate_pad_numbers_are_jumpers no)
		(fp_text user "${REFERENCE}"
			(at 0 0 90)
			(layer "B.Fab")
		)
		(pad "1" smd roundrect
			(at -1.0375 0 90)
			(size 1.175 1.45)
			(layers "B.Cu" "B.Mask" "B.Paste")
			(roundrect_rratio 0.212766)
			(net "Net-(J2-Pin_1)")
			(pintype "passive")
		)
		(pad "2" smd roundrect
			(at 1.0375 0 90)
			(size 1.175 1.45)
			(layers "B.Cu" "B.Mask" "B.Paste")
			(roundrect_rratio 0.212766)
			(net "GND")
			(pintype "passive")
		)
		(embedded_fonts no)
		(model "${KICAD10_3DMODEL_DIR}/Capacitor_SMD.3dshapes/C_0805_2012Metric.step"
			(offset
				(xyz 0 0 0)
			)
			(scale
				(xyz 1 1 1)
			)
			(rotate
				(xyz 0 0 0)
			)
		)
	)
	(footprint "Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder"
		(layer "B.Cu")
		(at 135.9625 102 -90)
		(descr "Capacitor SMD 0805 (2012 Metric), square (rectangular) end terminal, IPC-7351 nominal with elongated pad for handsoldering. (Body size source: IPC-SM-782 page 76, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf, https://docs.google.com/spreadsheets/d/1BsfQQcO9C6DZCsRaXUlFlo91Tg2WpOkGARC1WS5S8t0/edit?usp=sharing)")
		(tags "capacitor handsolder")
		(property "Reference" "C2"
			(at 0 1.68 90)
			(layer "B.SilkS")
		)
		(property "Value" "2.2µ"
			(at 0 -1.68 90)
			(layer "B.Fab")
		)
		(property "Datasheet" ""
			(at 0 0 90)
			(layer "B.Fab")
			(hide yes)
		)
		(property "Description" "Unpolarized capacitor"
			(at 0 0 90)
			(layer "B.Fab")
			(hide yes)
		)
		(property "KiLib_Generator" "SMD_2terminal_chip_molded"
			(at 0 0 90)
			(layer "B.SilkS")
			(hide yes)
		)
		(property ki_fp_filters "C_*")
		(sheetname "/")
		(sheetfile "buffer-amp-v1.kicad_sch")
		(units
			(unit
				(name "A")
				(pins "1" "2")
			)
		)
		(attr smd)
		(duplicate_pad_numbers_are_jumpers no)
		(fp_text user "${REFERENCE}"
			(at 0 0 90)
			(layer "B.Fab")
		)
		(pad "1" smd roundrect
			(at -1.0375 0 270)
			(size 1.175 1.45)
			(layers "B.Cu" "B.Mask" "B.Paste")
			(roundrect_rratio 0.212766)
			(net "Net-(J3-Pin_1)")
			(pintype "passive")
		)
		(pad "2" smd roundrect
			(at 1.0375 0 270)
			(size 1.175 1.45)
			(layers "B.Cu" "B.Mask" "B.Paste")
			(roundrect_rratio 0.212766)
			(net "GND")
			(pintype "passive")
		)
		(embedded_fonts no)
		(model "${KICAD10_3DMODEL_DIR}/Capacitor_SMD.3dshapes/C_0805_2012Metric.step"
			(offset
				(xyz 0 0 0)
			)
			(scale
				(xyz 1 1 1)
			)
			(rotate
				(xyz 0 0 0)
			)
		)
	)
	(footprint "_my_footprints:TE_CONSMA008-G"
		(layer "B.Cu")
		(at 129 99.5 180)
		(property "Reference" "J1"
			(at -0.75 5.56 0)
			(layer "B.SilkS")
		)
		(property "Value" "Conn_Coaxial"
			(at 5 0 90)
			(layer "B.SilkS")
		)
		(property "Datasheet" ""
			(at 0 0 0)
			(layer "B.Fab")
			(hide yes)
		)
		(property "Description" "coaxial connector (BNC, SMA, SMB, SMC, Cinch/RCA, LEMO, ...)"
			(at 0 0 0)
			(layer "B.Fab")
			(hide yes)
		)
		(property ki_fp_filters "*BNC* *SMA* *SMB* *SMC* *Cinch* *LEMO* *UMRF* *MCX* *U.FL*")
		(sheetname "/")
		(sheetfile "buffer-amp-v1.kicad_sch")
		(units
			(unit
				(name "A")
				(pins "1" "2")
			)
		)
		(attr through_hole)
		(duplicate_pad_numbers_are_jumpers no)
		(pad "1" thru_hole circle
			(at 0 0 180)
			(size 2.2 2.2)
			(drill 1.48)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "Net-(J1-In)")
			(pinfunction "In_1")
			(pintype "passive")
			(solder_mask_margin 0.102)
		)
		(pad "2" thru_hole circle
			(at -2.55 -2.55 180)
			(size 2.37 2.37)
			(drill 1.58)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "unconnected-(J1-Ext-Pad2)")
			(pinfunction "Ext_2")
			(pintype "passive+no_connect")
			(solder_mask_margin 0.102)
		)
		(pad "2" thru_hole circle
			(at -2.55 2.55 180)
			(size 2.37 2.37)
			(drill 1.58)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "unconnected-(J1-Ext-Pad2)_1")
			(pinfunction "Ext_2")
			(pintype "passive+no_connect")
			(solder_mask_margin 0.102)
		)
		(pad "2" thru_hole circle
			(at 2.55 -2.55 180)
			(size 2.37 2.37)
			(drill 1.58)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "unconnected-(J1-Ext-Pad2)_3")
			(pinfunction "Ext_2")
			(pintype "passive+no_connect")
			(solder_mask_margin 0.102)
		)
		(pad "2" thru_hole circle
			(at 2.55 2.55 180)
			(size 2.37 2.37)
			(drill 1.58)
			(layers "*.Cu" "*.Mask")
			(remove_unused_layers no)
			(net "unconnected-(J1-Ext-Pad2)_2")
			(pinfunction "Ext_2")
			(pintype "passive+no_connect")
			(solder_mask_margin 0.102)
		)
		(embedded_fonts no)
		(model "${KIPRJMOD}/CONSMA008-G.STEP"
			(offset
				(xyz 0 0 0)
			)
			(scale
				(xyz 1 1 1)
			)
			(rotate
				(xyz -90 -0 -0)
			)
		)
	)
	(gr_rect
		(start 123 80)
		(end 158 105)
		(fill no)
		(layer "Edge.Cuts")
	)
	(gr_text "20260710 buffer amp built around OPA810\nG=2 with 50 Ω output for system G=1 into QRM\nin general G = 1+RF/RG\nv2: input shield is floated\nsupply grounds into (from top of board) right side of screw terminals\noutput shield is grounded"
		(at 156 88 0)
		(layer "B.SilkS")
	)
	(zone
		(net "GND")
		(layers "F.Cu" "B.Cu" "In1.Cu")
		(name "Gnd")
		(hatch edge 0.5)
		(connect_pads
			(clearance 0.5)
		)
		(min_thickness 0.25)
		(fill yes
			(thermal_gap 0.5)
			(thermal_bridge_width 0.5)
			(island_removal_mode 0)
		)
		(polygon
			(pts
				(xy 123 80) (xy 123 105) (xy 158 105) (xy 158 80)
			)
		)
	)
	(zone
		(layers "F.Cu" "B.Cu" "In1.Cu" "In2.Cu")
		(name "no-go")
		(hatch edge 0.5)
		(connect_pads
			(clearance 0)
		)
		(min_thickness 0.25)
		(keepout
			(tracks allowed)
			(vias allowed)
			(pads allowed)
			(copperpour not_allowed)
			(footprints allowed)
		)
		(placement
			(enabled no)
			(sheetname "/")
		)
		(fill
			(thermal_gap 0.5)
			(thermal_bridge_width 0.5)
			(island_removal_mode 0)
		)
		(polygon
			(pts
				(xy 137 96) (xy 137 102) (xy 144.5 102) (xy 144.5 96)
			)
		)
	)
	(zone
		(net "Net-(J2-Pin_1)")
		(layer "In2.Cu")
		(name "VS+")
		(hatch edge 0.5)
		(priority 2)
		(connect_pads
			(clearance 0.5)
		)
		(min_thickness 0.25)
		(fill yes
			(thermal_gap 0.5)
			(thermal_bridge_width 0.5)
			(island_removal_mode 0)
		)
		(polygon
			(pts
				(xy 146.25 85.5) (xy 144.75 85.5) (xy 144.75 87.5) (xy 141 90.25) (xy 141 93) (xy 144.75 94.25)
				(xy 144.75 98.5) (xy 146.25 98.5)
			)
		)
	)
	(zone
		(net "Net-(J3-Pin_1)")
		(layer "In2.Cu")
		(name "VS+")
		(hatch edge 0.5)
		(priority 1)
		(connect_pads
			(clearance 0.5)
		)
		(min_thickness 0.25)
		(fill yes
			(thermal_gap 0.5)
			(thermal_bridge_width 0.5)
			(island_removal_mode 0)
		)
		(polygon
			(pts
				(xy 132.5 85.5) (xy 132.5 90.5) (xy 135.25 93.25) (xy 135.25 101.5) (xy 136.75 101.5) (xy 137 93.25)
				(xy 140.25 92.5) (xy 140.25 90.5) (xy 137 88) (xy 137 85.5)
			)
		)
	)
	(embedded_fonts no)
)
