board

Diode-Bridge Voltage-Controlled Attenuator

Public Unreviewed

by John Lauer

Two-layer through-hole audio attenuator: four 1N4148s as a current-biased shunt bridge, 0 to 2 V control, designed by Saif Abdessayed with Adom Hydrogen

Overview Files Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity
main
diode-vca-attenuator / libraries / AnalogVCA_THT.pretty / DIP8_W7.62mm.kicad_mod
HistoryDownload
John Lauer Saif Abdessayed's diode-bridge VCA: KiCad project, Gerbers, BOM, simulations, reports, and the earlier RC filter test 45f3ff6 11d ago
12345678910111213141516171819202122232425262728293031323334353637383940
(footprint "DIP8_W7.62mm"
	(version 20260206)
	(generator "pcbnew")
	(generator_version "10.0")
	(layer "F.Cu")
	(descr "PDIP-8, 7.62 mm row spacing")
	(tags "through-hole hand-solder")
	(property "Reference" "REF**" (at 0 -6.2 0) (layer "F.Fab")
		(effects (font (size 0.8 0.8) (thickness 0.14))))
	(property "Value" "DIP8_W7.62mm" (at 0 6.2 0) (layer "F.Fab")
		(effects (font (size 1 1) (thickness 0.15))))
	(attr through_hole)

	(fp_line (start -5.1 -5.1) (end 5.1 -5.1)
		(stroke (width 0.18) (type solid)) (layer "F.Fab"))
	(fp_line (start 5.1 -5.1) (end 5.1 5.1)
		(stroke (width 0.18) (type solid)) (layer "F.Fab"))
	(fp_line (start 5.1 5.1) (end -5.1 5.1)
		(stroke (width 0.18) (type solid)) (layer "F.Fab"))
	(fp_line (start -5.1 5.1) (end -5.1 -5.1)
		(stroke (width 0.18) (type solid)) (layer "F.Fab"))
	(fp_circle (center -3.81 -4.25) (end -3.36 -4.25)
		(stroke (width 0.18) (type solid)) (fill none) (layer "F.Fab"))
	(pad "1" thru_hole rect (at -3.81 -3.81) (size 2.2 2.2)
		(drill 1) (layers "*.Cu" "*.Mask"))
	(pad "2" thru_hole circle (at -3.81 -1.27) (size 2.2 2.2)
		(drill 1) (layers "*.Cu" "*.Mask"))
	(pad "3" thru_hole circle (at -3.81 1.27) (size 2.2 2.2)
		(drill 1) (layers "*.Cu" "*.Mask"))
	(pad "4" thru_hole circle (at -3.81 3.81) (size 2.2 2.2)
		(drill 1) (layers "*.Cu" "*.Mask"))
	(pad "5" thru_hole circle (at 3.81 3.81) (size 2.2 2.2)
		(drill 1) (layers "*.Cu" "*.Mask"))
	(pad "6" thru_hole circle (at 3.81 1.27) (size 2.2 2.2)
		(drill 1) (layers "*.Cu" "*.Mask"))
	(pad "7" thru_hole circle (at 3.81 -1.27) (size 2.2 2.2)
		(drill 1) (layers "*.Cu" "*.Mask"))
	(pad "8" thru_hole circle (at 3.81 -3.81) (size 2.2 2.2)
		(drill 1) (layers "*.Cu" "*.Mask"))
)