Diode-Bridge Voltage-Controlled Attenuator - libraries/AnalogVCA.kicad_sym

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John Lauer Saif Abdessayed's diode-bridge VCA: KiCad project, Gerbers, BOM, simulations, reports, and the earlier RC filter test 45f3ff6 11d ago

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(kicad_symbol_lib
	(version 20231120)
	(generator "kicad_symbol_editor")
	(generator_version "10.0")
	(symbol "R"
		(pin_names (offset 0.8) hide)
		(exclude_from_sim no)
		(in_bom yes)
		(on_board yes)
		(in_pos_files yes)
		(duplicate_pin_numbers_are_jumpers no)
		(property "Reference" "R"
			(at 0 -3.8 0)
			(show_name no)
			(do_not_autoplace no)
			(effects (font (size 1.27 1.27)))
		)
		(property "Value" "R"
			(at 0 3.8 0)
			(show_name no)
			(do_not_autoplace no)
			(effects (font (size 1.27 1.27)))
		)
		(property "Footprint" ""
			(at 0 0 0)
			(hide yes)
			(show_name no)
			(do_not_autoplace no)
			(effects (font (size 1.27 1.27)))
		)
		(property "Datasheet" ""
			(at 0 0 0)
			(hide yes)
			(show_name no)
			(do_not_autoplace no)
			(effects (font (size 1.27 1.27)))
		)
		(property "Description" "Resistor, project-local generic symbol"
			(at 0 0 0)
			(hide yes)
			(show_name no)
			(do_not_autoplace no)
			(effects (font (size 1.27 1.27)))
		)
		(symbol "R_0_1"
			(rectangle
				(start -2.54 -1.27)
				(end 2.54 1.27)
				(stroke (width 0.254) (type default))
				(fill (type background))
			)
		)
		(symbol "R_1_1"
			(pin passive line
				(at -5.08 0 0)
				(length 2.54)
				(name "" (effects (font (size 1.0 1.0))))
				(number "1" (effects (font (size 1.0 1.0))))
			)
			(pin passive line
				(at 5.08 0 180)
				(length 2.54)
				(name "" (effects (font (size 1.0 1.0))))
				(number "2" (effects (font (size 1.0 1.0))))
			)
		)
		(embedded_fonts no)
	)
	(symbol "C"
		(pin_names (offset 0.8) hide)
		(exclude_from_sim no)
		(in_bom yes)
		(on_board yes)
		(in_pos_files yes)
		(duplicate_pin_numbers_are_jumpers no)
		(property "Reference" "C"
			(at 0 -3.8 0)
			(show_name no)
			(do_not_autoplace no)
			(effects (font (size 1.27 1.27)))
		)
		(property "Value" "C"
			(at 0 3.8 0)
			(show_name no)
			(do_not_autoplace no)
			(effects (font (size 1.27 1.27)))
		)
		(property "Footprint" ""
			(at 0 0 0)
			(hide yes)
			(show_name no)
			(do_not_autoplace no)
			(effects (font (size 1.27 1.27)))
		)
		(property "Datasheet" ""
			(at 0 0 0)
			(hide yes)
			(show_name no)
			(do_not_autoplace no)
			(effects (font (size 1.27 1.27)))
		)
		(property "Description" "Capacitor, project-local generic symbol"
			(at 0 0 0)
			(hide yes)
			(show_name no)
			(do_not_autoplace no)
			(effects (font (size 1.27 1.27)))
		)
		(symbol "C_0_1"
			(polyline (pts (xy -0.635 -2.032) (xy -0.635 2.032))
				(stroke (width 0.254) (type default)) (fill (type none)))
			(polyline (pts (xy 0.635 -2.032) (xy 0.635 2.032))
				(stroke (width 0.254) (type default)) (fill (type none)))
		)
		(symbol "C_1_1"
			(pin passive line
				(at -5.08 0 0)
				(length 2.54)
				(name "" (effects (font (size 1.0 1.0))))
				(number "1" (effects (font (size 1.0 1.0))))
			)
			(pin passive line
				(at 5.08 0 180)
				(length 2.54)
				(name "" (effects (font (size 1.0 1.0))))
				(number "2" (effects (font (size 1.0 1.0))))
			)
		)
		(embedded_fonts no)
	)
	(symbol "D"
		(pin_names (offset 0.8) hide)
		(exclude_from_sim no)
		(in_bom yes)
		(on_board yes)
		(in_pos_files yes)
		(duplicate_pin_numbers_are_jumpers no)
		(property "Reference" "D"
			(at 0 -3.8 0)
			(show_name no)
			(do_not_autoplace no)
			(effects (font (size 1.27 1.27)))
		)
		(property "Value" "D"
			(at 0 3.8 0)
			(show_name no)
			(do_not_autoplace no)
			(effects (font (size 1.27 1.27)))
		)
		(property "Footprint" ""
			(at 0 0 0)
			(hide yes)
			(show_name no)
			(do_not_autoplace no)
			(effects (font (size 1.27 1.27)))
		)
		(property "Datasheet" ""
			(at 0 0 0)
			(hide yes)
			(show_name no)
			(do_not_autoplace no)
			(effects (font (size 1.27 1.27)))
		)
		(property "Description" "Small-signal diode; pin 1 cathode, pin 2 anode"
			(at 0 0 0)
			(hide yes)
			(show_name no)
			(do_not_autoplace no)
			(effects (font (size 1.27 1.27)))
		)
		(symbol "D_0_1"
			(polyline (pts (xy -1.27 -1.27) (xy 1.27 0) (xy -1.27 1.27) (xy -1.27 -1.27))
				(stroke (width 0.254) (type default)) (fill (type none)))
			(polyline (pts (xy 1.27 -1.27) (xy 1.27 1.27))
				(stroke (width 0.254) (type default)) (fill (type none)))
		)
		(symbol "D_1_1"
			(pin passive line
				(at -5.08 0 0)
				(length 2.54)
				(name "K" (effects (font (size 1.0 1.0))))
				(number "1" (effects (font (size 1.0 1.0))))
			)
			(pin passive line
				(at 5.08 0 180)
				(length 2.54)
				(name "A" (effects (font (size 1.0 1.0))))
				(number "2" (effects (font (size 1.0 1.0))))
			)
		)
		(embedded_fonts no)
	)
	(symbol "Conn_01x02"
		(pin_names (offset 0.8) hide)
		(exclude_from_sim no)
		(in_bom yes)
		(on_board yes)
		(in_pos_files yes)
		(duplicate_pin_numbers_are_jumpers no)
		(property "Reference" "J"
			(at 0 -3.8 0)
			(show_name no)
			(do_not_autoplace no)
			(effects (font (size 1.27 1.27)))
		)
		(property "Value" "Conn_01x02"
			(at 0 3.8 0)
			(show_name no)
			(do_not_autoplace no)
			(effects (font (size 1.27 1.27)))
		)
		(property "Footprint" ""
			(at 0 0 0)
			(hide yes)
			(show_name no)
			(do_not_autoplace no)
			(effects (font (size 1.27 1.27)))
		)
		(property "Datasheet" ""
			(at 0 0 0)
			(hide yes)
			(show_name no)
			(do_not_autoplace no)
			(effects (font (size 1.27 1.27)))
		)
		(property "Description" "Two-position connector"
			(at 0 0 0)
			(hide yes)
			(show_name no)
			(do_not_autoplace no)
			(effects (font (size 1.27 1.27)))
		)
		(symbol "Conn_01x02_0_1"
			(rectangle (start -2.54 -2.54) (end 2.54 2.54)
				(stroke (width 0.254) (type default)) (fill (type background)))
		)
		(symbol "Conn_01x02_1_1"
			(pin passive line
				(at 5.08 -1.27 180)
				(length 2.54)
				(name "1" (effects (font (size 1.0 1.0))))
				(number "1" (effects (font (size 1.0 1.0))))
			)
			(pin passive line
				(at 5.08 1.27 180)
				(length 2.54)
				(name "2" (effects (font (size 1.0 1.0))))
				(number "2" (effects (font (size 1.0 1.0))))
			)
		)
		(embedded_fonts no)
	)
	(symbol "Conn_01x03"
		(pin_names (offset 0.8) hide)
		(exclude_from_sim no)
		(in_bom yes)
		(on_board yes)
		(in_pos_files yes)
		(duplicate_pin_numbers_are_jumpers no)
		(property "Reference" "J"
			(at 0 -3.8 0)
			(show_name no)
			(do_not_autoplace no)
			(effects (font (size 1.27 1.27)))
		)
		(property "Value" "Conn_01x03"
			(at 0 3.8 0)
			(show_name no)
			(do_not_autoplace no)
			(effects (font (size 1.27 1.27)))
		)
		(property "Footprint" ""
			(at 0 0 0)
			(hide yes)
			(show_name no)
			(do_not_autoplace no)
			(effects (font (size 1.27 1.27)))
		)
		(property "Datasheet" ""
			(at 0 0 0)
			(hide yes)
			(show_name no)
			(do_not_autoplace no)
			(effects (font (size 1.27 1.27)))
		)
		(property "Description" "Three-position connector"
			(at 0 0 0)
			(hide yes)
			(show_name no)
			(do_not_autoplace no)
			(effects (font (size 1.27 1.27)))
		)
		(symbol "Conn_01x03_0_1"
			(rectangle (start -2.54 -3.81) (end 2.54 3.81)
				(stroke (width 0.254) (type default)) (fill (type background)))
		)
		(symbol "Conn_01x03_1_1"
			(pin passive line
				(at 5.08 -2.54 180)
				(length 2.54)
				(name "1" (effects (font (size 1.0 1.0))))
				(number "1" (effects (font (size 1.0 1.0))))
			)
			(pin passive line
				(at 5.08 0 180)
				(length 2.54)
				(name "2" (effects (font (size 1.0 1.0))))
				(number "2" (effects (font (size 1.0 1.0))))
			)
			(pin passive line
				(at 5.08 2.54 180)
				(length 2.54)
				(name "3" (effects (font (size 1.0 1.0))))
				(number "3" (effects (font (size 1.0 1.0))))
			)
		)
		(embedded_fonts no)
	)
	(symbol "TL072CP_DIP8"
		(pin_names (offset 0.8) hide)
		(exclude_from_sim no)
		(in_bom yes)
		(on_board yes)
		(in_pos_files yes)
		(duplicate_pin_numbers_are_jumpers no)
		(property "Reference" "U"
			(at 0 -3.8 0)
			(show_name no)
			(do_not_autoplace no)
			(effects (font (size 1.27 1.27)))
		)
		(property "Value" "TL072CP_DIP8"
			(at 0 3.8 0)
			(show_name no)
			(do_not_autoplace no)
			(effects (font (size 1.27 1.27)))
		)
		(property "Footprint" ""
			(at 0 0 0)
			(hide yes)
			(show_name no)
			(do_not_autoplace no)
			(effects (font (size 1.27 1.27)))
		)
		(property "Datasheet" ""
			(at 0 0 0)
			(hide yes)
			(show_name no)
			(do_not_autoplace no)
			(effects (font (size 1.27 1.27)))
		)
		(property "Description" "TL072CP dual JFET op amp in PDIP-8"
			(at 0 0 0)
			(hide yes)
			(show_name no)
			(do_not_autoplace no)
			(effects (font (size 1.27 1.27)))
		)
		(symbol "TL072CP_DIP8_0_1"
			(rectangle (start -7.62 -6.35) (end 7.62 6.35)
				(stroke (width 0.254) (type default)) (fill (type background)))
			(text "A: voltage buffer" (at 0 -3.81 0) (effects (font (size 1 1))))
			(text "B: control-current servo" (at 0 2.54 0) (effects (font (size 1 1))))
		)
		(symbol "TL072CP_DIP8_1_1"
			(pin passive line
				(at -10.16 -3.81 0)
				(length 2.54)
				(name "IN_A+" (effects (font (size 1.0 1.0))))
				(number "3" (effects (font (size 1.0 1.0))))
			)
			(pin passive line
				(at -10.16 -1.27 0)
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			)
			(pin passive line
				(at -10.16 2.54 0)
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				(name "IN_B+" (effects (font (size 1.0 1.0))))
				(number "5" (effects (font (size 1.0 1.0))))
			)
			(pin passive line
				(at -10.16 5.08 0)
				(length 2.54)
				(name "IN_B-" (effects (font (size 1.0 1.0))))
				(number "6" (effects (font (size 1.0 1.0))))
			)
			(pin output line
				(at 10.16 -3.81 180)
				(length 2.54)
				(name "OUT_A" (effects (font (size 1.0 1.0))))
				(number "1" (effects (font (size 1.0 1.0))))
			)
			(pin output line
				(at 10.16 3.81 180)
				(length 2.54)
				(name "OUT_B" (effects (font (size 1.0 1.0))))
				(number "7" (effects (font (size 1.0 1.0))))
			)
			(pin power_in line
				(at 0 -8.89 270)
				(length 2.54)
				(name "V+" (effects (font (size 1.0 1.0))))
				(number "8" (effects (font (size 1.0 1.0))))
			)
			(pin power_in line
				(at 0 8.89 90)
				(length 2.54)
				(name "V-" (effects (font (size 1.0 1.0))))
				(number "4" (effects (font (size 1.0 1.0))))
			)
		)
		(embedded_fonts no)
	)
	(symbol "Q_NPN_EBC"
		(pin_names (offset 0.8) hide)
		(exclude_from_sim no)
		(in_bom yes)
		(on_board yes)
		(in_pos_files yes)
		(duplicate_pin_numbers_are_jumpers no)
		(property "Reference" "Q"
			(at 0 -3.8 0)
			(show_name no)
			(do_not_autoplace no)
			(effects (font (size 1.27 1.27)))
		)
		(property "Value" "Q_NPN_EBC"
			(at 0 3.8 0)
			(show_name no)
			(do_not_autoplace no)
			(effects (font (size 1.27 1.27)))
		)
		(property "Footprint" ""
			(at 0 0 0)
			(hide yes)
			(show_name no)
			(do_not_autoplace no)
			(effects (font (size 1.27 1.27)))
		)
		(property "Datasheet" ""
			(at 0 0 0)
			(hide yes)
			(show_name no)
			(do_not_autoplace no)
			(effects (font (size 1.27 1.27)))
		)
		(property "Description" "NPN transistor; pins 1 emitter, 2 base, 3 collector"
			(at 0 0 0)
			(hide yes)
			(show_name no)
			(do_not_autoplace no)
			(effects (font (size 1.27 1.27)))
		)
		(symbol "Q_NPN_EBC_0_1"
			(circle (center 0 0) (radius 3.175)
				(stroke (width 0.254) (type default)) (fill (type background)))
			(text "NPN" (at 0 0 0) (effects (font (size 1 1))))
		)
		(symbol "Q_NPN_EBC_1_1"
			(pin input line
				(at -7.62 0 0)
				(length 4.445)
				(name "B" (effects (font (size 1.0 1.0))))
				(number "2" (effects (font (size 1.0 1.0))))
			)
			(pin passive line
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				(length 4.445)
				(name "C" (effects (font (size 1.0 1.0))))
				(number "3" (effects (font (size 1.0 1.0))))
			)
			(pin passive line
				(at 0 7.62 90)
				(length 4.445)
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				(number "1" (effects (font (size 1.0 1.0))))
			)
		)
		(embedded_fonts no)
	)
	(symbol "PWR_FLAG"
		(pin_names (offset 0.8) hide)
		(exclude_from_sim no)
		(in_bom no)
		(on_board no)
		(in_pos_files yes)
		(duplicate_pin_numbers_are_jumpers no)
		(property "Reference" "#FLG"
			(at 0 -3.8 0)
			(show_name no)
			(do_not_autoplace no)
			(effects (font (size 1.27 1.27)))
		)
		(property "Value" "PWR_FLAG"
			(at 0 3.8 0)
			(show_name no)
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			(effects (font (size 1.27 1.27)))
		)
		(property "Footprint" ""
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		)
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			(hide yes)
			(show_name no)
			(do_not_autoplace no)
			(effects (font (size 1.27 1.27)))
		)
		(property "Description" "ERC declaration that an external connector drives this rail"
			(at 0 0 0)
			(hide yes)
			(show_name no)
			(do_not_autoplace no)
			(effects (font (size 1.27 1.27)))
		)
		(symbol "PWR_FLAG_0_1"
			(polyline (pts (xy -1.27 -1.27) (xy 0 -2.54) (xy 1.27 -1.27))
				(stroke (width 0.254) (type default)) (fill (type none)))
		)
		(symbol "PWR_FLAG_1_1"
			(pin power_out line
				(at 0 0 0)
				(length 0)
				(name "pwr" (effects (font (size 1.0 1.0))))
				(number "1" (effects (font (size 1.0 1.0))))
			)
		)
		(embedded_fonts no)
	)
)