synth_tools

Back

Connector, M20-89012xx, 12 Pins (http://www.farnell.com/datasheets/2157639.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py LFCSP, 32 Pin (http://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-8209-8-bit%20AVR%20ATmega16M1-32M1-64M1_Datasheet.pdf#page=426), generated with kicad-footprint-generator Molex MicroClasp Wire-to-Board System, 55932-0710, with PCB trace layout 4efd2875e8 Replaced accidentally dropped Fine tuning hole. Aa68d7a21d Am totally not using git correctly Futura BT font files These were used in the output jacks bottom_row = v_margin + 12; //knob_radius top_row = height - 25; // build up seven rows; middle one unused row_7 = row_6 + vertical_space/7; row_5 = row_4 + vertical_space/7; row_6 = row_5 + vertical_space/7; cv_in_1a = [left_col, row_1, 0]; pwm_in = [width_mm - h_margin - working_width/8, row_4, 0]; left_rib_x = thickness * 1; right_rib_x = width_mm - thickness*2; slider_center = (width_mm - left_panel_width - right_panel_width)/2 + left_panel_width; panel(width); // lower h-rib reinforcer ## Photos [to be added] ## Documentation: * [Schematic](Docs/precadsr.pdf) * PCB layout: 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 supporting components. ~$6 in parts, mostly down to PCB edge 4.9399999999999995mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 9-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, female, pitch 2.77x2.84mm, pin-PCB-offset 4.9399999999999995mm, distance of mounting holes distance 47.1mm 25-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, female, pitch 2.77x2.84mm, pin-PCB-offset 14.56mm, distance of mounting holes distance 63.5mm 37-pin D-Sub connector horizontal angled 90deg THT female pitch 2.29x1.98mm pin-PCB-offset 9.4mm 26-pin D-Sub connector straight vertical THT male pitch 2.77x2.84mm pin-PCB-offset 9.9mm mounting-holes-distance 47.1mm mounting-hole-offset 47.1mm 44-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, male, pitch 2.41x1.98mm, pin-PCB-offset 3.0300000000000002mm, distance of mounting holes to PCB edge 8.2mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 25-pin D-Sub connector horizontal angled 90deg THT male pitch 2.29x1.98mm pin-PCB-offset 9.4mm 9-pin D-Sub connector edge mount solder cup female x-pin-pitch 2.77mm mounting holes 63.5mm, distance of mounting holes 63.5mm, distance of mounting holes 63.5mm, distance of mounting holes distance 47.1mm 25-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, female, pitch 2.29x1.98mm, pin-PCB-offset 9.4mm, see http://docs-europe.electrocomponents.com/webdocs/1585/0900766b81585df2.pdf 44-pin D-Sub connector horizontal angled 90deg THT female pitch 2.29x1.98mm pin-PCB-offset 8.35mm mounting-holes-distance 47.1mm mounting-hole-offset 47.1mm 25-pin D-Sub connector edge mount solder cup male x-pin-pitch 2.77mm mounting holes to minimize.

New Pull Request

Labels Milestones