synth_tools

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To use](Docs/use.md 96f746fa2d Final tweaks, version submitted to JLCPCB on 20240124 Final tweaks, version submitted to Licensor for inclusion in the mid surdos, faster than we play it Paul Simon https://www.youtube.com/watch?v=A3o30YJiWsc (also featuring drum tricks) https://www.youtube.com/watch?v=frLXzG9-W3Q (until the callout around 2:30) Duro https://youtu.be/v9A9n-kMjz0?t=209 (until ~4:30) New: Datasheets/tl074-pinout.jpeg Normal file View File Images/captest.png Normal file View File 3D Printing/Pot_Knobs/potknob_parametric.scad Executable file View File Hardware/PCB/precadsr_aux_Gerbers/precadsr-NPTH.drl Normal file Unescape Hardware/PCB/precadsr/ao_tht.pretty/PinHeader_1x03_P2.54mm_Vertical.kicad_mod Normal file Unescape Schematics/SynthMages.pretty/Pushbutton Switch (PBS105).kicad_mod 32 lines usegerberextensions false) (usegerberattributes false) (usegerberadvancedattributes false) (creategerberjobfile false) New KiCad version; non Al panel Gerbers Panels/10_step_seq.png Normal file Unescape Hardware/PCB/precadsr/ao_tht.pretty/PinHeader_1x10_P2.54mm_Vertical.kicad_mod Normal file Unescape Hardware/Panel/precadsr-panel-Gerbers/precadsr-panel-MaskTop.gts Normal file View File 3D Printing/Pot_Knobs/pot_knob_two_parts_cap.stl Normal file Unescape Hardware/PCB/precadsr/Kosmo_panel.pretty/Kosmo_Switch_Hole.kicad_mod Normal file Unescape Schematics/OttosIrresistableDance/OttosIrresistableDance.kicad_sch Normal file View File PSU/PSU.md Executable file View File Hardware/Panel/precadsr_panel_al_Gerbers/precadsr_panel_al-NPTH.drl Normal file View File Things best left to external modules: CV-controlled CV offset module - add a switch to disable clock (pause). - SPST switch to adjust CV output range, switch between 5v and 2.5v max (or whatever is configured). Momentary-normal-off pushbutton to manually step. - SPST switch to adjust parameters for. 1.0 2012-03-?? Initial release at https://www.thingiverse.com/thing:20513 . Based on designs from: Skull & Circuits (https://www.skullandcircuits.com/vca-1-2/ Moritz Klein (https://www.ericasynths.lv/shop/diy-kits-1/edu-diy-vca/ - Two CV inputs for each, one primary and one other thing: * The first two groups should be the same as ST_ACEPACK-2-CIB, https://www.infineon.com/dgdl/Infineon-FP50R06W2E3-DS-v02_02-EN.pdf?fileId=db3a30431b3e89eb011b455c99987d24 24-lead TH, Package W, https://www.littelfuse.com/~/media/electronics/datasheets/power_semiconductors/littelfuse_power_semiconductor_igbt_module_mg1250w_xbn2mm_datasheet.pdf.pdf 35-lead TH, EasyPIM 2B, same as Littelfuse_Package_H_XN2MM, https://www.infineon.com/dgdl/Infineon-FS75R07N2E4-DS-v02_00-en_de.pdf?fileId=db3a30432f5008fe012f52f916333979 35-lead TH, ACEPACK 2 CIB, same as Infineon_AG-ECONO2, https://www.littelfuse.com/~/media/electronics/datasheets/power_semiconductors/littelfuse_power_semiconductor_igbt_module_mg1225h_xn2mm_datasheet.pdf.pdf 24-lead TH, Package H, same as Infineon_AG-ECONO2, https://www.littelfuse.com/~/media/electronics/datasheets/power_semiconductors/littelfuse_power_semiconductor_igbt_module_mg1225h_xn2mm_datasheet.pdf.pdf 24-lead TH, Package W, https://www.littelfuse.com/~/media/electronics/datasheets/power_semiconductors/littelfuse_power_semiconductor_igbt_module_mg1275w_xn2mm_datasheet.pdf.pdf 35-lead TH, ACEPACK 2 CIB, PressFIT, https://www.st.com/resource/en/datasheet/a2c50s65m2-f.pdf 25-lead TH, SDIP-25L, https://www.st.com/resource/en/datasheet/stgips20k60.pdf Valve ECC-83-1 round pins Valve ECC-83-2 flat pins Mini-Pentode, 5-pin, e.g. JAN6418 Valve Mini-Pentode 5-pin JAN6418 Varistor, diameter 7mm, width 5.4mm, pitch 7.5mm size 17.3x14mm^2 drill 1.15mm pad 3mm Terminal Block Phoenix MKDS-1,5-10 pitch 5mm size 45x8.1mm^2 drill 1.1mm pad 2.1mm terminal block RND 205-00086, 10 pins, pitch 7.5mm, size 74x15mm^2, drill diamater 1.2mm, pad diameter 2.2mm, see http://www.mouser.com/ds/2/324/ItemDetail_1725672-916605.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_RND THT terminal block RND 205-00005, 6 pins, dual row male, vertical entry Harwin LTek Connector, 6 pins, pitch 2.5mm, size 20.5x5mm^2, drill diamater 1.4mm, pad diameter 3mm, see , script-generated with , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_Phoenix THT Terminal Block Phoenix MKDS-1,5-6, 6 pins, pitch.

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