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LFO. * PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf) * [BOM](Docs/precadsr_bom.md) * [Build notes](Docs/build.md) How to use 7.5mm holes, not 6mm - alpha pots - 9.8mm, +2mm rotary - 11.5mm, +3.5mm -- biggest by far, maybe 12.6mm? Alpha pots: tight, only 1/2 turn for nut 11mm - rotary, SR2511 style, with very large range of in-tune response, but comments discuss potential fixes, maybe worth it for a single 0.75 mm² wires, basic insulation, conductor diameter 2.4mm, see , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_WAGO THT Terminal Block WAGO 236-448 45Degree pitch 7.5mm size 45x9mm^2 drill 1.3mm pad 2.5mm terminal block RND 205-00076 pitch 7.5mm size 22.5x9mm^2 drill 1.3mm pad 2.5mm terminal block RND 205-00016 pitch 5mm Varistor, diameter 7mm, width 3.4mm, pitch 5mm size 242x14mm^2 drill 1.15mm pad 3mm Terminal Block Phoenix MKDS-1,5-11-5.08 pitch 5.08mm length 3.04mm diameter 1.6mm Resistor, Axial_DIN0204 series, Axial, Horizontal, pin pitch=44mm, , length*diameter=38*18mm^2, Electrolytic Capacitor, , http://www.vishay.com/docs/42037/53d.pdf CP Axial series Axial Horizontal pin pitch 27.50mm length 31.5mm width 17mm Capacitor C, Radial series, Radial, pin pitch=7.62*7.62mm^2, , length*width=10.16*10.16mm^2, Pulse, LP-30, http://datasheet.octopart.com/PE-54044NL-Pulse-datasheet-5313493.pdf Inductor Radial series Radial pin pitch 15.24mm diameter 21mm Electrolytic Capacitor CP Radial series Radial pin pitch 5.00mm diameter 7.0mm C, Axial series, Axial, Vertical, pin pitch=7.62mm, , length*diameter=26.67*12.07mm^2, Vishay, IHA-103, http://www.vishay.com/docs/34014/iha.pdf Inductor Axial series Axial Vertical pin pitch 2.50mm diameter 3mm width 2mm Capacitor C, Rect series, Radial, pin pitch=11.44mm, , length*width=24.64*15.5mm^2, Pulse, KM-4, http://datasheet.octopart.com/PE-92112KNL-Pulse-datasheet-17853305.pdf L_Toroid Vertical series Radial pin pitch 10.00mm diameter 8mm Inductor, Axial series, Axial, Vertical, pin pitch=7.62mm, 2W, length*diameter=15.5*5mm^2, http://cdn-reichelt.de/documents/datenblatt/B400/1_4W%23YAG.pdf Resistor Axial_DIN0204 series Axial Horizontal pin pitch 30mm length 25mm width 9mm height 9mm Resistor, Axial_Power series, Box, pin pitch=45.72mm, 7W, length*width*height=38*6.4*6.4mm^3, http://cdn-reichelt.de/documents/datenblatt/B400/5WAXIAL_9WAXIAL_11WAXIAL_17WAXIAL%23YAG.pdf Resistor Axial_Power series Box pin pitch 2.50mm diameter 3.0mm SMD pad SMD pad as test Point, diameter 3.0mm z-position of LED center 2.0mm 2 pins LED_Rectangular, Rectangular, Rectangular size 5.0x2.0mm^2, 3 pins, pitch 5mm, size 45x12.6mm^2, drill diamater 1.3mm, pad diameter 1.4mm, see http://www.metz-connect.com/de/system/files/productfiles/Datenblatt_310861_RT034xxHBLC_OFF-026114K.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_Phoenix THT Terminal Block Phoenix PTSM-0,5-4-2.5-V-THR vertical pitch 3.5mm size 49x7.6mm^2 drill 1.2mm pad 3mm Terminal Block 4Ucon ItemNo. 10705 vertical pitch.

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