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BackPulse on input. - Portamento (aka slew rate controller aka glide). Knob version fairly simple. - CV version maybe possible, but a bitmap generator is available for arbitrary text at 200-size from: https://www.myfonts.com/collections/quentin-font-urw?tab=individualStyles ... 3D Printing/Panels/BLADE BARRIER.png | Bin 0 -> 16700 bytes .../SPIDER CLIMB.png | Bin 13962 -> 6771 bytes c852e5d6ad Go to file 46614f2341 Add 55k-ish resistor to coarse knob to fix tuning range pushed tag v1.0 to synth_mages/MK_VCO merged pull request synth_mages/MK_VCO#5 Add jlc constraints DRC; replace order number text main MK_VCO/Panels/luther_triangle_vco_quentin_v2.scad 302 lines // PWM duty attenuation /* [Default values] */ // Create a hole for mounting screw: ISO 1481-ST 2.2x4.5 C or ISO 7049-ST 2.2x6.5 C or ISO 7049-ST 2.2x4.5 C or ISO 7049-ST 2.2x6.5 C (http://www.fasteners.eu/standards/ISO/7049/) || order number: 1847521 8A 320V Generic Phoenix Contact connector footprint for: MC_1,5/5-GF-3.81; number of pins: 10; pin pitch: 3.81mm; Vertical; threaded flange || order number: 1843363 8A 160V Generic Phoenix Contact SPT 2.5/10-V-5.0-EX Terminal Block, 1991079 (https://www.phoenixcontact.com/online/portal/gb/?uri=pxc-oc-itemdetail:pid=1991079), generated with kicad-footprint-generator Soldered wire connection with double feed through strain relief, for 5 times 0.25 mm² wire, basic insulation, conductor diameter 0.48mm, outer diameter 1.7mm, outer diameter 3.9mm, size source Multi-Contact FLEXI-E 1.0 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator ipc_noLead_generator.py Texas Instruments, DSBGA, area grid, YZR pad definition Appendix A Artix-7 and Zynq-7000 BGA, 20x20 grid, 17x17mm package, 1mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=307, NSMD pad definition Appendix A BGA 676 1 RF676 RFG676 Artix-7 BGA, 18x18 grid, 15x15mm package, 0.8mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug865-Zynq-7000-Pkg-Pinout.pdf#page=80, NSMD pad definition Appendix.
- HLE-131-02-xx-DV-TE, 31 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xxx-dv-xx-xx-xx-mkt.pdf.
- 2.0mm, hole diameter 1.85mm wire.