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From a3935f450bd1ef1834b2de14643fc2be5f29e67e Mon Sep 17 00:00:00 2001 Subject: [PATCH] PCB initial layout, no traces "silk_text_size_h": 1.0, "silk_text_size_v": 1.0, "silk_text_thickness": 0.15, "silk_text_upright": false, "zones": { "min_clearance": 0.5 } }, updates to rev 2 d5bfb6e27b2dae54104d76ea378df4de16af205b corrects inexplicably begreebled lower thre knob labels; confirms mask color is as defined replaces FIREBALL mask/etch with silkscreen Add footprint items for panel holes; separate panel and pcb into different files Add a front-panel PCB Add four more switches/buttons, move LED drivers onto PCB added the once through idea with commentary by 496e3e3344 Correcting changed filename in .prl Correcting changed filename in .prl * LEDs in sliders, lit for each stage? * TBD, needs testing * State Gates (from Befaco) TBD, needs testing; but if LEDs are possible, this should be changed by adding +5V, and both trigger/gate and CV routing # Precision ADSR build notes | C7, C12, C13 | 3 | A1M | **Potentiometer, 9 mm or 16 mm vertical board mount OR: | | | J1 | 1 | 1 | B10k | \*\*Potentiometer, 16 mm vertical board mount. Main MK_VCO/Panels/title_test.scad 40 lines default_label_font = "Futura Md BT:style=Medium"; label_font_size = 5; //mm center_col = width_mm/2; //mm third_col = 60.7-center_adjust; //mm cv_in = [first_col, fourth_row, 0]; triangle_out = [width_mm-h_margin-working_width/4, row_1, 0]; fm_pot = [input_column + h_margin/2, row_1, 0]; f_tune = [width_mm/2 + h_margin, top_row, 0]; left_rib_x = hole_dist_side + thickness; right_rib_x = width_mm - hole_dist_side, height - v_margin; working_increment = working_height / (8+tolerance/3); // generally-useful spacing amount for vertical columns of stuff col_left = thickness * 1; right_rib_x = width_mm - thickness*2; // draw panel, subtract holes panel(width); // waves out // 1 for once/cont (sw15 // 2 NO Moment switches: // 1 hp from side to center of package, Thorlabs photodiodes, https://www.thorlabs.de/drawings/374b6862eb3b5a04-9360B5F6-5056-2306-D912111C06C3F830/FDGA05-SpecSheet.pdf TO-92 leads molded, narrow, drill 0.75mm (see NXP sot054_po.pdf TO-92 horizontal, leads in-line, wide, drill 0.75mm (see NXP SSOP-TSSOP-VSO-REFLOW.pdf and sot556-1_po.pdf 24-Lead Plastic QFN (3mm x 3mm) (see Linear Technology 1956f.pdf TSSOP, 16 Pin (https://www.allegromicro.com/~/media/Files/Datasheets/A4403-Datasheet.ashx), generated with kicad-footprint-generator Mounting Hardware, inside through hole 3.3mm, height 13, Wuerth electronics 9774070982 (https://katalog.we-online.de/em/datasheet/9774070982.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-131-02-xxx-DV, 31 Pins per row (http://www.molex.com/pdm_docs/sd/530480210_sd.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 20 Pin (http://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/ltc-legacy-qfn/QFN_20_05-08-1711.pdf), generated with kicad-footprint-generator Hirose DF13C SMD, CL535-0404-8-51, 4 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xxx-dv-xx-xx-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-dv-footprint.pdf), generated with kicad-footprint-generator TE, 826576-5, 5 Pins (https://www.molex.com/pdm_docs/sd/009652028_sd.pdf), generated with kicad-footprint-generator Soldered wire connection with double feed through strain relief, for 6 times 2.5 mm² wire, reinforced insulation, conductor diameter 2.4mm, see http://www.4uconnector.com/online/object/4udrawing/10689.pdf.

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