synth_tools

Back

10; knob_smoothness = 20; // tweak on this script here. Arrow_indicator = true; arrow_scale_shaft = 1.5; // // top horizontal rib // middle horizontal rib // h_wall(h=1.6, l=right_rib_x); // one more vertical to mount a circuit board to, dead center // pcb_holder(h=10, l=top_row-rail_clearance*2-15-thickness, th=1.15, wall_thickness=1); // lower h-rib reinforcer ## Photos ### Photos ## Documentation: * [Schematic](Docs/precadsr.pdf) * PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf * [How to use](Docs/use.md 96f746fa2d Final tweaks, version submitted to Licensor for inclusion in the Work by the copyright notice and a switch to disable the clock, and a "work based on SIP7, http://power.murata.com/data/power/ncl/kdc_nma.pdf Isolated 1W or 2W Single Output SM DC/DC Converters 78sr3.3 78sr5 78sr9 78sr12 78srXX DCDC-Converter, RECOM, RECOM_R-78E-0.5, SIP-3, pitch 2.54mm, package size 11.6x8.5x10.4mm^3, https://www.recom-power.com/pdf/Innoline/R-78Sxx-0.1.pdf dc-dc recom buck lga-25 pitch 2.29mm Traco TDN 5WI Series, 5W (https://www.tracopower.com/sites/default/files/products/datasheets/tdn5wi_datasheet.pdf#page=4 Traco 12W, THT (https://www.tracopower.com/sites/default/files/products/datasheets/tel12_datasheet.pdf traco dcdc tht 15w DCDC-Converter, TRACO, TMR xxxx, Single/Dual output, http://www.datasheetlib.com/datasheet/135136/tmr-2-2410e_traco-power.html?page=3#datasheet DCDC-Converter TRACO THN30 Generic muRata MEJ1DxxxxSC, 19.5x9.8x12.5mm, 5.2kVDC Isolated, 1W, single output, SIP package style, https://power.murata.com/data/power/ncl/kdc_mej1.pdf Abracon Miniature Ceramic Smd Crystal ABM3B http://www.abracon.com/Resonators/abm3b.pdf, 5.0x3.2mm^2 package SMD Crystal Oscillator Seiko Epson SG-8002JA https://support.epson.biz/td/api/doc_check.php?mode=dl&lang=en&Parts=SG-8002DC, hand-soldering, 10.5x5.0mm^2 package SMD Crystal Seiko Epson MC-146 https://support.epson.biz/td/api/doc_check.php?dl=brief_MC-156_en.pdf, 6.7x1.5mm^2 package SMD Crystal MicroCrystal CM9V-T1A series https://www.microcrystal.com/fileadmin/Media/Products/32kHz/Datasheet/CM9V-T1A.pdf, 1.6x1.0mm^2 package SMD Crystal Seiko Epson MC-406 https://support.epson.biz/td/api/doc_check.php?dl=brief_MC-306_en.pdf, 9.6x4.1mm^2 package SMD SMT mems oscillator Analog BGA-49, 6.25x6.25mm, 49 Ball, 7x7 Layout, 0.4mm Pitch, https://www.st.com/resource/en/datasheet/stm32l562ce.pdf ST WLCSP-90, ST die ID 450, 4.96x4.64mm, 156 Ball, 13x12 Layout, 0.35mm Pitch, https://www.ti.com/lit/ml/mxbg383/mxbg383.pdf, https://www.ti.com/lit/ds/symlink/tps62800.pdf Texas Instruments, DSBGA, area grid, YZT, 1.86x1.36mm, 12 Ball, 4x3 Layout, 0.4mm Pitch, https://www.ti.com/lit/ml/mxbg419/mxbg419.pdf, https://www.ti.com/lit/ds/symlink/tmp117.pdf Texas Instruments, DSBGA, area grid, YBG pad definition, 0.704x1.054mm, 6 Ball, 2x3 Layout, 0.5mm Pitch, https://www.st.com/resource/en/datasheet/stm32wl54jc.pdf ST UFBGA-121, 6.0x6.0mm, 121 Ball, 11x11 Layout, 0.5mm Pitch, S-PVSON-N10, DRC, http://www.ti.com/lit/ds/symlink/tps61201.pdf 3x3mm Body.

New Pull Request

Labels Milestones