synth_tools

Back

A3935f450bd1ef1834b2de14643fc2be5f29e67e Mon Sep 17 00:00:00 2001 Subject: [PATCH] Notes from MK's PCB livestream Footprints: - avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals - make power connection traces larger; MK uses a CA3080 OTA, an expensive and rare chip these days ($3/ea on amazon, maybe fakes) VCA MK's VCA Probably a straightforward build: one op-amp, four transistors and some example modules Latest commits for file Panels/fireball_vco_14hp_v1.scad adds front panel design and includes 2.5mm centerward shift for input and output jacks tweaks layout with input from sam format (units 2) (units_format 1) (precision 4 (style (thickness 0.1) (arrow_length 1.27) (text_position_mode 0) (extension_height 0.58642) (extension_offset 0.5) keep_text_aligned Latest commits for file Schematics/MK_VCO_RADIO_SHAEK_W_PARTS.diy main MK_VCO/Panels/Font files/futura medium bt.ttf Latest commits for file Panels/luther_triangle_10hp_pcb_holder.stl VCO details from Moritz Klein (https://www.ericasynths.lv/shop/diy-kits-1/edu-diy-vca/) Features: If we expect or plan on developing modules which use the 4 pins (http://www.qingpu-electronics.com/en/products/WQP-PJ320D-72.html 3.5mm jack mic microphone phones headphones 4pins audio plug Headphones with microphone connector, 3.5mm, 4 pins RGB RGBLED LED, Round, FlatTop, diameter 3.0mm, 3 pins, pitch 5mm, size 17.3x14mm^2, drill diamater 1.4mm, pad diameter 3mm, see , script-generated with , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_MetzConnect THT terminal block RND 205-00079, 3 pins, pitch 5.08mm, size 35.6x9.8mm^2, drill diamater 1.1mm, pad diameter 2.6mm, see http://www.farnell.com/datasheets/2138224.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_WAGO THT Terminal Block WAGO 236-424, 45Degree (cable under 45degree), 5 pins, pitch 5.08mm, size 30.5x10.6mm^2, drill diamater 1.3mm, pad diameter 2.5mm, see http://cdn-reichelt.de/documents/datenblatt/C151/RND_205-00001_DB_EN.pdf, script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_RND THT terminal block RND 205-00001 pitch 5mm size 62.3x14mm^2 drill 1.15mm pad 3mm Terminal Block WAGO 804-109, 45Degree (cable under 45degree), 24 pins, pitch 5mm, size 35x10mm^2, drill diamater 1.3mm, pad diameter 2.4mm, see , script-generated using https://github.com/pointhi/kicad-footprint-generator/scripts/TerminalBlock_RND THT terminal block RND 205-00291 pitch 5.08mm 0.167W length 3.6mm diameter 1.6mm Diode, DO-34_SOD68 series, Axial, Horizontal, pin pitch=25mm, , length*diameter=19*9.5mm^2, http://cdn-reichelt.de/documents/datenblatt/B300/STYROFLEX.pdf C Axial series Axial Horizontal pin pitch 7.62mm length 20.32mm diameter 12.7mm Vishay IHA-201 Inductor, Axial series, Axial, Vertical, pin pitch=5.08mm, , length*diameter=11*4.5mm^2, Fastron, MECC, http://www.fastrongroup.com/image-show/21/MECC.pdf?type=Complete-DataSheet&productType=series Inductor Axial series Axial Vertical.

New Pull Request

Labels Milestones