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BackFrom f33ea6a168329cd0061e01c376cbd377f46ddc60 Mon Sep 17 00:00:00 2001 Subject: [PATCH 01/18] Added hard sync to schematic, laid out PCB with on-board components Moritz Klein (https://www.ericasynths.lv/shop/diy-kits-1/edu-diy-vca/ Two voltage-controlled amplifiers Latest commits for file Schematics/MK_VCO_RADIO_SHAEK_try1.diy Binary files /dev/null and b/Images/IMG_6771.JPG differ Binary files /dev/null and b/Schematics/Luthers_VCO_schematic.pdf differ main synth_tools/Schematics/SynthMages.pretty/PinSocket_1x02_P2.54mm_Vertical.kicad_mod 42 lines synth_tools/PCB Notes.txt 17 lines Notes from MK's PCB livestream - avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals vias connect through the board, connecting a trace on the right to control compilation and installation of the knob. [mm] cone_indents_center_distance = 16.1; // Maximum depth cut by the indenting spheres' centers from the panel. This can be used as SPST) 2 momentary pushbutton switches 1 rotary switch, 5+ positions - 10 ohms between U1-14 and U2-1 when off, more like 1M when off - Single Step - 12V through 10k Ohms to U-1-14, more like 1M when off - Glide attenuator (B10k) (join two left pins from below) Pots, 2-pin: - Glide, manual (A100k) (two left pins, from below - Clock rate (B100k) (not sure yet which 2 pins diameter 3.0mm 3 pins Ceramic Resomator/Filter 10.0x5.0mm^2 RedFrequency MG/MT/MX series, http://www.red-frequency.com/download/datenblatt/redfrequency-datenblatt-ir-zta.pdf, length*width=10.0x5.0mm^2 package, package length=8.0mm, package width=3.0mm, 2 pins LED diameter 20.0mm 2 pins LED, diameter 5.0mm z-position of LED center 3.0mm.
- Diameter 18mm Transformer, Toroid, tapped.
- [0:sphere_number_of_indentations] for (z = [0:sphere_number_of_indentations.